Relevant bibliographies by topics / Antibiosis

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Antibiosis'

Author: Grafiati
Published: 4 June 2021
Last updated: 31 July 2024

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Journal articles on the topic "Antibiosis"

1

Abrudan, Monica I., Fokko Smakman, Ard Jan Grimbergen, Sanne Westhoff, Eric L. Miller, Gilles P. van Wezel, and Daniel E. Rozen. "Socially mediated induction and suppression of antibiosis during bacterial coexistence." Proceedings of the National Academy of Sciences 112, no. 35 (July 27, 2015): 11054–59. http://dx.doi.org/10.1073/pnas.1504076112.

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Despite their importance for humans, there is little consensus on the function of antibiotics in nature for the bacteria that produce them. Classical explanations suggest that bacteria use antibiotics as weapons to kill or inhibit competitors, whereas a recent alternative hypothesis states that antibiotics are signals that coordinate cooperative social interactions between coexisting bacteria. Here we distinguish these hypotheses in the prolific antibiotic-producing genus Streptomyces and provide strong evidence that antibiotics are weapons whose expression is significantly influenced by social and competitive interactions between competing strains. We show that cells induce facultative responses to cues produced by competitors by (i) increasing their own antibiotic production, thereby decreasing costs associated with constitutive synthesis of these expensive products, and (ii) by suppressing antibiotic production in competitors, thereby reducing direct threats to themselves. These results thus show that although antibiotic production is profoundly social, it is emphatically not cooperative. Using computer simulations, we next show that these facultative strategies can facilitate the maintenance of biodiversity in a community context by converting lethal interactions between neighboring colonies to neutral interactions where neither strain excludes the other. Thus, just as bacteriocins can lead to increased diversity via rock–paper–scissors dynamics, so too can antibiotics via elicitation and suppression. Our results reveal that social interactions are crucial for understanding antibiosis and bacterial community dynamics, and highlight the potential of interbacterial interactions for novel drug discovery by eliciting pathways that mediate interference competition.
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Raatikainen, Olavi, Jouko Tuomisto, Risto Tahvonen, and Heikki Rosenqvist. "Polyene production of antagonistic Streptomyces species isolated from Sphagnum peat." Agricultural and Food Science 2, no. 6 (December 1, 1993): 551–60. http://dx.doi.org/10.23986/afsci.72671.

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Several isolates of Streptomyces species, suppressive against fungal growth and obtained from light-coloured Sphagnum peat, produced polyene antibiotics. The mechanism of growth suppression by these isolates is probably partially explained by antibiosis, since there was a significant difference in the antibiotic production by suppressive vs. non-suppressive isolates. The antibiotic consists of several individual components, which form an aromatic heptaene complex of the candicidin type containing p-aminoacetophenone and mycosamine moieties. The minimum inhibitory concentration (MIC) of the antibiotic against yeasts and fungi was the same as that of candicidin.
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Singh, Pawan, Navneet Verma, Prevesh Kumar, and Priynaka Nagu. "REVIEW ON A POTENTIAL OF ANTIBIOTICS." Journal of Drug Delivery and Therapeutics 8, no. 5-s (October 15, 2018): 35–40. http://dx.doi.org/10.22270/jddt.v8i5-s.1936.

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Observations about the growth of some microorganisms inhibiting the growth of other microorganisms have been reported since the late 1800s. These observations of antibiosis between microorganisms led to the discovery of natural antibacterial. This paper deliberates important findings of the educations conducted by numerous national and international combined organizations on a brief indication of the antibacterial agents׳ detection in recent years. In India especially the developing antibiotics, need to institute methods for the suitable choice of drug conduct a compound problem involving prescribers, dispensers, and consumers. Keywords: Antibiotic, Antibiotic resistance, bacterial Infection
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Yang, Ping. "The Antibiosis of Trichoderma asperellum Resistance Plant Pathogenic Fungi." Advanced Materials Research 1073-1076 (December 2014): 1067–70. http://dx.doi.org/10.4028/www.scientific.net/amr.1073-1076.1067.

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T. asperellumhas been turned out was an important biocontrol fungus and can antagonize many plant pathogenic fungi through a variety of biocontrol mechanisms. The antibiosis was considered one of important mechanisms. The antibiosis ofT.asperellumresistance plant pathogenic fungi was examined in this paper. The antibiotic biosynthetic gene polyketide synthase genepksT1can be induced by pathogens. Moreover, the growth of the plant pathogens was inhibited byT. asperellumsecondary metabolites. The yield of antibiotic 6-PP was 1.32 mg 6-PP/g mycelial dry weight.T. asperellumcontrol plant pathogens through producing antifungal metabolites.
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Pusey, P. L., V. O. Stockwell, C. L. Reardon, T. H. M. Smits, and B. Duffy. "Antibiosis Activity of Pantoea agglomerans Biocontrol Strain E325 Against Erwinia amylovora on Apple Flower Stigmas." Phytopathology® 101, no. 10 (October 2011): 1234–41. http://dx.doi.org/10.1094/phyto-09-10-0253.

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Pantoea agglomerans E325, the active ingredient in a commercial product for fire blight control, was previously shown in vitro to produce a unique alkaline- and phosphate-sensitive antibiotic specific to Erwinia amylovora. Antibiosis was evaluated as a mode of antagonism on flower stigmas using two antibiosis-deficient mutants. On King's medium B, mutants E325ad1 and E325ad2 have stable smooth-butyrous or hypermucoid colony morphologies, respectively, and the parental strain E325 exhibits phenotypic plasticity with predominantly hypermucoid colonies accompanied by slower-growing, smooth-butyrous colonies. Mutants were tested against E. amylovora on stigmas of detached flowers of crab apple (Malus mandshurica) in growth chambers and apple (Malus domestica) in the orchard. Epiphytic fitness of the antibiosis-negative mutants was similar or greater than the parental strain as determined by relative area under the population curve (RAUPC). In laboratory and orchard trials, both mutants had significantly lower inhibitory activity against the pathogen (i.e., less reduction of E. amylovora RAUPC) compared with the parental strain. E325 and the mutants caused similar decreases in pH in a broth medium, indicating that acidification, which was previously reported as a possible mechanism of pathogen inhibition on stigmas, is not directly related to antibiosis. In this study we provide the first evidence for E325 antibiosis involved in E. amylovora growth suppression on apple flower stigmas.
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BROU, Kouassi Guy, Moroh Jean Luc ABOYA, Boni N’ZUE, Sékou DIABATÉ, Goli Pierre ZOUHOURI, Janat Ackanovna MAMYRBEKOVA-BEKRO, Koffi II Nazaire KOUASSI, Denezon Odette DOGBO, and Yves-Alain BEKRO. "Effect of glyphosate on antibiosis in the coevolution of the pathosystem Manihot esculenta-Colletotrichum gloeosporioides." Journal of Animal & Plant Sciences 48, no. 2 (May 31, 2021): 8637–48. http://dx.doi.org/10.35759/janmplsci.v48-2.

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The high use of glyphosate for weed and pest control of cassava crops in Africa, particularly in Côte d'Ivoire, is correlated with the increasing extent of cassava anthracnose in the cassava producing regions. This health situation raises the question of the existence of a combined effect of glyphosate and anthracnose infection on the defence response of the cassava plant. The study was on the effect of glyphosate on antibiosis in M. esculenta in the pathosystem with C. gloeosporioides. To achieve this objective, a classical fully randomized 3-repeat device was used and antibiosis was the factor studied with 3 modalities. Treatments carried out on the plots, 4 months after planting, were inoculation of test plots of cassava with C. gloeosporoides before they were treated with 4JAI glyphosate. The assessment of phenolic and flavonoid antibiosis levels was carried out on leaf and stem organs harvested from 1JHA to 45 JHA and from the day of glyphosate treatment to 41 JHA. Comparative flavonoid antibiosis profiles were determined by CCM at the stages of maximum inhibition and maximum accumulation. Results showed that the phenolic and flavonoid antibiosis content of plants in glyphosate-treated plots decreased progressively in all varieties studied from JATr 1 to JATr 7. After the seventh day, the respective amounts of phenolic and flavonoid antibiosis gradually increased from the 8th JATr to the 180th JATr. This study showed a negative but partial interference of glyphosate in the defense mechanism of cassava cultivars (Manihot esculenta). Brou et al., 2021 Journal of Animal & Plant Sciences (J.Anim.Plant Sci. ISSN 2071-7024) Vol.48 (2): 8637-8648 https://doi.org/10.35759/JAnmPlSci.v48-2.1 8638 RESUME L’importante utilisation du glyphosate pour le désherbage et la lutte contre les adventices des cultures de manioc en Afrique et notamment en Côte d’Ivoire, et l’étendue croissante des cas d’anthracnose du manioc dans les régions de production de cette culture, soulève la question d’un possible effet conjugué du glyphosate et de l’infection à l’anthracnose. Les auteurs ont étudié l’effet du glyphosate sur les antibioses chez M. esculenta dans le pathosystème avec C. gloeosporioides. Pour atteindre cet objectif, un dispositif classique à trois répétions complètement randomisées a été utilisé et les antibioses sont le facteur étudié avec 3 modalités. Les traitements réalisés sur les parcelles, 4 mois après plant plantation, ont été l’inoculation des parcelles tests de manioc par C. gloeosporoides avant que celles-ci ne soient traitées par le glyphosate 4JAI. L’évaluation des teneurs en antibioses phénoliques et flavonoïdiques a été réalisée sur les organes feuilles et tiges récoltées de 1JAI à 45 JAI et du jour du traitement au glyphosate à 41 JAT. Les profils comparatifs en antibioses flavonoïdiques ont été déterminés par CCM aux stades de l’inhibition maximale et de l’accumulation maximale. Les résultats ont montré que la teneur en antibioses phénoliques et flavonoïdiques des plantes des parcelles traitées avec le glyphosate ont diminué progressivement chez toutes les variétés étudiées du 1er JATr au 7ème JATr. Après le septième jour, les quantités respectives des antibioses phénoliques et de flavonoïdes ont augmenté progressivement du 8ème JATr au 180ème JATr. Il ressort de cette étude, une interférence négative mais partielle du glyphosate dans le mécanisme de défense des cultivars de manioc (Manihot esculenta).
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BROU, Kouassi Guy, Moroh Jean Luc ABOYA, Boni N’ZUE, Sékou DIABATÉ, Goli Pierre ZOUHOURI, Janat Ackanovna MAMYRBEKOVA-BEKRO, Koffi II Nazaire KOUASSI, Denezon Odette DOGBO, and Yves-Alain BEKRO. "Effect of glyphosate on antibiosis in the coevolution of the pathosystem Manihot esculenta-Colletotrichum gloeosporioides." Journal of Animal & Plant Sciences 48, no. 2 (May 31, 2021): 8637–48. http://dx.doi.org/10.35759/janmplsci.v48-2.1.

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The high use of glyphosate for weed and pest control of cassava crops in Africa, particularly in Côte d'Ivoire, is correlated with the increasing extent of cassava anthracnose in the cassava producing regions. This health situation raises the question of the existence of a combined effect of glyphosate and anthracnose infection on the defence response of the cassava plant. The study was on the effect of glyphosate on antibiosis in M. esculenta in the pathosystem with C. gloeosporioides. To achieve this objective, a classical fully randomized 3-repeat device was used and antibiosis was the factor studied with 3 modalities. Treatments carried out on the plots, 4 months after planting, were inoculation of test plots of cassava with C. gloeosporoides before they were treated with 4JAI glyphosate. The assessment of phenolic and flavonoid antibiosis levels was carried out on leaf and stem organs harvested from 1JHA to 45 JHA and from the day of glyphosate treatment to 41 JHA. Comparative flavonoid antibiosis profiles were determined by CCM at the stages of maximum inhibition and maximum accumulation. Results showed that the phenolic and flavonoid antibiosis content of plants in glyphosate-treated plots decreased progressively in all varieties studied from JATr 1 to JATr 7. After the seventh day, the respective amounts of phenolic and flavonoid antibiosis gradually increased from the 8th JATr to the 180th JATr. This study showed a negative but partial interference of glyphosate in the defense mechanism of cassava cultivars (Manihot esculenta). Brou et al., 2021 Journal of Animal & Plant Sciences (J.Anim.Plant Sci. ISSN 2071-7024) Vol.48 (2): 8637-8648 https://doi.org/10.35759/JAnmPlSci.v48-2.1 8638 RESUME L’importante utilisation du glyphosate pour le désherbage et la lutte contre les adventices des cultures de manioc en Afrique et notamment en Côte d’Ivoire, et l’étendue croissante des cas d’anthracnose du manioc dans les régions de production de cette culture, soulève la question d’un possible effet conjugué du glyphosate et de l’infection à l’anthracnose. Les auteurs ont étudié l’effet du glyphosate sur les antibioses chez M. esculenta dans le pathosystème avec C. gloeosporioides. Pour atteindre cet objectif, un dispositif classique à trois répétions complètement randomisées a été utilisé et les antibioses sont le facteur étudié avec 3 modalités. Les traitements réalisés sur les parcelles, 4 mois après plant plantation, ont été l’inoculation des parcelles tests de manioc par C. gloeosporoides avant que celles-ci ne soient traitées par le glyphosate 4JAI. L’évaluation des teneurs en antibioses phénoliques et flavonoïdiques a été réalisée sur les organes feuilles et tiges récoltées de 1JAI à 45 JAI et du jour du traitement au glyphosate à 41 JAT. Les profils comparatifs en antibioses flavonoïdiques ont été déterminés par CCM aux stades de l’inhibition maximale et de l’accumulation maximale. Les résultats ont montré que la teneur en antibioses phénoliques et flavonoïdiques des plantes des parcelles traitées avec le glyphosate ont diminué progressivement chez toutes les variétés étudiées du 1er JATr au 7ème JATr. Après le septième jour, les quantités respectives des antibioses phénoliques et de flavonoïdes ont augmenté progressivement du 8ème JATr au 180ème JATr. Il ressort de cette étude, une interférence négative mais partielle du glyphosate dans le mécanisme de défense des cultivars de manioc (Manihot esculenta).
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KONG, KOK-FAI, LISA SCHNEPER, and KALAI MATHEE. "Beta-lactam antibiotics: from antibiosis to resistance and bacteriology." APMIS 118, no. 1 (January 2010): 1–36. http://dx.doi.org/10.1111/j.1600-0463.2009.02563.x.

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Frankel, DavidH. "Cow-lick antibiosis." Lancet 345, no. 8953 (April 1995): 850. http://dx.doi.org/10.1016/s0140-6736(95)92980-0.

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Pusey, P. L., V. O. Stockwell, and D. R. Rudell. "Antibiosis and Acidification by Pantoea agglomerans Strain E325 May Contribute to Suppression of Erwinia amylovora." Phytopathology® 98, no. 10 (October 2008): 1136–43. http://dx.doi.org/10.1094/phyto-98-10-1136.

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Pantoea agglomerans strain E325, a commercially available antagonist for fire blight of apple and pear, was originally selected through screening based on suppression of Erwinia amylovora on flower stigmas, but specific mechanisms of antagonism were unknown. Bacterial modification of pH was evaluated as a possible mechanism by analyzing stigma exudates extracted from ‘Gala’ apple stigmas. The pH values for field samples were only slightly lower than controls, but indicated a range (pH 5 to 6) conducive for antibiotic activity according to subsequent assays. Under low-phosphate and low-pH conditions, an antibacterial product of E325 with high specificity to E. amylovora was effective at low concentrations. A minimum of 20 to 40 ng of a ninhydrin-reactive compound purified using RP-HPLC caused visible inhibition in assays. Activity was heat stable and unaffected by amino acids, iron, or enzymes known to affect antibiotics of P. agglomerans. Antibiosis was diminished, however, under basic conditions, and with increasing phosphate concentrations at pH 6 and 7. Inhibition was not observed in media containing phosphate concentrations commonly used in antibiosis assays. We propose that E325 suppresses the fire blight pathogen not only by competing for nutrients on the stigma, but by producing an antibiotic specific to E. amylovora. Further work is necessary to substantiate that the compound is produced and active on flower stigmas.
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Dissertations / Theses on the topic "Antibiosis"

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Arlt, Alexander, Wiebke Erhart, Clemens Schafmayer, Hanns-Christoph Held, and Jochen Hampe. "Antibiosis of Necrotizing Pancreatitis." Karger, 2014. https://tud.qucosa.de/id/qucosa%3A71682.

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Background: Necrotizing pancreatitis is a life-threatening presentation of acute pancreatitis. The mortality of 20–80% initially depends on the persistence of organ failure and systemic inflammatory response syndrome (SIRS) and, in the later course of the disease, on secondary infection of the necrosis. The questions whether prophylactic antibiotics aiming to prevent this infection should be administered and which antibiotic is the best to use, as well as the problem of fungal infection under antibiotic treatment are still intriguing and insufficiently solved. Methods: A search of the literature using PubMed was carried out, supplemented by a review of the programmes of the Digestive Disease Week (DDW) and the United European Gastroenterology Week (UEGW). Results: Despite the widely practised prophylactic antibiotic administration in severe pancreatitis, no evidence for the benefit of this strategy exists. One of the drawbacks might be a tendency for disastrous fungal infection under prophylactic antibiotics. Bacterial translocation from the gut in the second week after the onset of symptoms is the major source for infection of pancreatic necrosis and provides a clear indication for antibiotic treatment. However, routine fine-needle aspiration for a calculated antibiotic therapy cannot be recommended, and all other tests offer only indirect signs. Important factors such as enteral versus parenteral feeding and the method of necrosectomy are mostly neglected in the trials but seem to be essential for the outcome of the patient. Conclusions: Even though most meta-analyses including the newer double-blind, placebo-controlled trials on prophylactic antibiotics showed no beneficial effects in the prevention of infection of necrosis and/or outcome of the patients, this strategy is still widely used in clinical routine. Since nearly all trials published so far show systematic problems (i.e. inaccurate definition of the severity of the disease, poor statistical testing, and neglect of differences in the route of nutrition), there is a need for randomized controlled prospective trials with exact definitions of the disease.
Hintergrund: Die nekrotisierende Pankreatitis weist eine Mortalität von 20–80% auf. Initial ist vor allem das Ausmaß des Organversagens entscheidend für die Prognose des Patienten. In der zweiten Krankheitswoche stellt dann die sekundäre Infektion der Nekrosen durch die Translokation von Darmkeimen das entscheidende Problem dar. Zur Vermeidung einer solchen Infektion werden klinisch sehr häufig Breitspektrumantibioktika prophylaktisch eingesetzt. Dies wird aber zunehmend kritisch diskutiert, und es existieren kontroverse Empfehlungen. Methoden: Eine Literaturrecherche unter Einbeziehung von PubMed und der Programme der Digestive Disease Week (DDW) und der United European Gastroenterology Week (UEGW) wurde durchgeführt. Ergebnisse: Die meisten Studien können den prophylaktischen Einsatz von Antibiotika bei der schweren Pankreatitis nicht rechtfertigen. Einige Studien belegen vielmehr eine Selektion resistenter Keime und vor allem auch eine erhöhte Rate von schwer therapierbaren Pilzinfektionen unter einer solchen Therapie. Daher sollte erst nach dem Nachweis einer Nekroseinfektion mit einer Antibiotikatherapie begonnen werden, wobei keine Routine-Feinnadelpunktion der Nekrose zum Keimnachweis durchgeführt werden sollte. Es stehen daher nur indirekte, meist bildgebende Verfahren für den Infektionsnachweis zur Verfügung. Entscheidende Faktoren wie die enterale Ernährung und die Methode der Nekrosektomie wurden bisher bei den meisten Studien vernachlässigt, scheinen aber essenziell für das Behandlungsergebnis des Patienten zu sein. Schlussfolgerungen: Die meisten publizierten Studien weisen eine sehr heterogene Definition der Erkrankung, uneinheitliche Behandlungsprotokolle und Ungenauigkeiten bei der statistischen Testung auf. Gerade entscheidende Faktoren wie die enterale Ernährung werden größtenteils komplett vernachlässigt. Es besteht daher ein Bedarf für randomisierte placebokontrollierte Studien, die diese Probleme berücksichtigen und suffiziente Schlussfolgerungen zur Antibiotikatherapie der schweren Pankreatitis zulassen.
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Grigoletto, Renan. "Avaliação da concentração intra-articular de gentamicina, associada ou não ao DMSO, administrada por perfusão regional intravenosa em membro de equinos sadios." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/74/74135/tde-02022016-095030/.

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Dentre as afecções que acometem as articulações dos equinos, a artrite séptica e a mais grave observada. A técnica da perfusão regional e um método comprovadamente eficiente para o tratamento de equinos acometidos por infecções sinoviais. O dimetilsulfóxido (DMSO) é um líquido orgânico, que possui a capacidade de penetrar, com extrema facilidade, em órgãos, tecidos e membranas celulares e intracelulares. Neste estudo, objetivou-se avaliar a concentração intra-articular da gentamicina administrada por perfusão regional intravenosa (PRI), associada ou não ao DMSO, bem como avaliar a influência do volume total perfundido o período de tempo onde a concentração inibitória mínima (CIM) foi mais eficiente e se a associação com o DMSO aumentou a CIM no líquido sinovial. Os animais foram distribuídos em quatro grupos experimentais, cada grupo recebeu gentamicina 6,6 mg/kg por PRI, o volume a ser administrado, após o cálculo da quantidade de gentamicina acrescida ou não de DMSO, era completado com solução de ringer com lactato estéril até o volume de 60mL nos grupos G60 e GD60, e até 250mL para os grupos G250 e GD250. As colheitas de líquido sinovial foram realizadas antes do início do experimento (T0), imediatamente depois da retirada do torniquete (T1) e após 4 (T2), 8 (T3), 12 (T4), 16 (T5) e 24 (T6) horas. O método para doseamento das concentrações de gentamicina empregado foi o de difusão em ágar. Destacamos que as concentrações de gentamicina no líquido sinovial na dose de 6.6.mg/Kg podem ser consideradas como adequadas, num período de até 24 horas após a administração. Nossos resultados apontam que o volume de 60 mL, pode ser considerado como o volume ideal de perfusão, bem como a associação do DMSO aumentou as concentrações de gentamicina (µg/mL) na articulação dos equinos e possivelmente reduziu a formação de edemas e aumentos de volume locais.
Among the diseases that affect the joints of horses, septic arthritis is the most serious observed. The regional perfusion technique is a well proven method for the treatment of horses affected by synovial infections. Dimethylsulfoxide (DMSO) is an organic liquid that has the ability to penetrate, with extreme ease on organs, tissues and cellular and intracellular membranes. This study aimed to evaluate the intra-articular concentration of gentamicin administered by intravenous regional perfusion (PRI), associated or not with DMSO, and assess the influence of the total volume infused the time period in which the minimum inhibitory concentration (MIC) It was more efficient and the association with DMSO increased the CIM in the synovial fluid. The animals were divided into four groups, each group received 6.6 mg gentamicin / kg per PRI, the volume to be administered, after calculating the amount of gentamicin plus or absence of DMSO was completed with Ringer\'s lactate solution with sterile until the volume in 60mL groups G60 and GD60, and up to 250 mL and G250 GD250 groups. The synovial fluid samples were collected before the start of the experiment (T0), immediately after removal of the tourniquet (T1) and after 4 (T2), 8 (T3), 12 (T4), 16 (T5) and 24 (T6) hours. The method for determination of gentamicin concentrations was employed the agar diffusion. We emphasize that the gentamicin concentrations in synovial fluid in 6.6.mg/Kg dose may be considered suitable, a period of up to 24 hours after administration. Our results indicate that the volume of 60 ml, can be considered as the ideal volume of the infusion, as well as the association of DMSO increased the gentamicin concentrations (µg / ml) in the joint of horses and possibly reduced edema formation and increases local volume.
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Wilson, F. Douglas, Jayne L. Szaro, and Benny R. Stapp. "Antibiosis in Cotton to Pink Bollworm." College of Agriculture, University of Arizona (Tucson, AZ), 1987. http://hdl.handle.net/10150/204497.

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Ninety-nine germplasm lines and a resistant check line of cotton, Gossypium hirsutum L., were infested artificially in the field with eggs of pink bollworm (PBW), Pectinophora gossypiella (Saunders), and evaluated for an antibiosis type of resistance to the insect and also for yield potential. All 99 lines came from crosses of well -adapted cultivars, or the nectariless, or nectariless-okra-leaf versions of those cultivars, with previously identified sources of antibiosis (a type of resistance that affects the growth and development of the insect once inside the boll). Twenty-three of the 99 were selected for low PBW damage or for a combination of high lint yield and low damage.
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Viswanathan, Poornima. "Effect of previous feeding on antibiosis levels of soybeans." Thesis, Kansas State University, 2011. http://hdl.handle.net/2097/9181.

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Master of Science
Department of Entomology
John C. Reese
The soybean aphid, Aphis glycines is documented to have arrived in North America in mid 2000 and has ever since established itself as a formidable pest of soybeans, with the capacity to cause immense crop losses. This formidable pest with its complex life cycle and habits represents a current threat to soybean production. Host plant resistance is a promising avenue that can offer considerable control over the soybean aphid problem. Antibiosis being the most effective host plant resistance category, this study was aimed at attempting to understand the effects of induction on the antibiosis levels of soybeans. In the first set of experiments, different soybean genotypes and two soybean aphid biotypes were tested to comprehend if and how the genotypes and biotypes affected the survival and reproduction of the aphid. The experiments revealed mixed results that can be attributed to the genotypes tested and the biotypes used. While some genotypes showed no significant changes due to previous infestation, K1621 suggested signs of induced resistance to biotype 1 and PI567301B showed induced resistance to biotype 2, while K1639 pointed towards induced susceptibility to biotype 2. A follow up feeding behavior study with Electrical Penetration Graph (EPG) technique was carried out on PI567301B to elucidate if the induced resistance was tissue-specific, which could affect the feeding behavior of the aphid (biotype 2); but the results showed no appreciable differences in the feeding behavior of the aphids on clean vs. infested plants. Induced response studies shed light on how plants respond to herbivory and help us identify how changes in plant physiology affect the various herbivores that visit it for food and shelter. This knowledge can thus be applied to the development of superior varieties of crops that can defend themselves better against recurring infestations.
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Killin, S. J. "Studies on the biosynthesis of penicillin." Thesis, University of Oxford, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.379964.

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Rigsby, Chad Michael. "Mechanisms of Antixenosis and Antibiosis of Ash Against Emerald Ash Borer." Wright State University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=wright1463756579.

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Kalule, Twaha. "Tritrophic interactions between crucifers, aphids and hymenopteran parasitoids." Thesis, Imperial College London, 2000. http://hdl.handle.net/10044/1/8794.

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Guimarães, Eduardo Rossini [UNESP]. "Cigarrinha-das-raízes em cana-de-açúcar: resistência genotípica e interação planta-praga." Universidade Estadual Paulista (UNESP), 2007. http://hdl.handle.net/11449/105265.

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
A cigarrinha-das-raízes Mahanarva fimbriolata (Stål, 1854) (Hemiptera: Cercopidae) tem causado prejuízos significativos aos canaviais da região Centro- Sul do Brasil. No entanto a interação desta praga com a cana-de-açúcar é pouco caracterizada e existem poucas pesquisas sobre resistência varietal. Neste trabalho comparamos a reação de genótipos de cana-de-açúcar à infestação dessa praga e estudamos a interação através de análises de crescimento de plantas, acúmulo de biomoléculas relacionadas a estresses e biologia do inseto. Os resultados obtidos representam evidência de resistência do tipo antibiose a cigarrinha na variedade SP83-5073, tendo sido identificado um fragmento de DNA possivelmente relacionado com a resistência. Os genótipos SP80-1816 e RB72454 mostraram-se mais suscetíveis à praga. Também verificamos que existem mecanismos distintos para a percepção do estresse hídrico e do estresse promovido pela praga, indicando que os teores de prolina livre não podem ser utilizados para quantificar o estresse promovido por M. fimbriolata em cana-deaçúcar. A cultivar RB72454 é mais tolerante ao déficit hídrico do que a cultivar SP80-1816. O aumento na concentração de compostos fenólicos nos genótipos suscetíveis SP80-1816 e RB 72454 indicam que o acúmulo pode ser decorrente da morte e apodrecimento das raízes. Não foi observada variação nos níveis de fenóis totais na variedade SP 85-5073 submetida à infestação de M. fimbriolata. A mortalidade da cigarrinha-das-raízes e a duração da fase de ninfas foram significativamente maiores nesse genótipo, indicando a existência de resistência do tipo antibiose.
The spittlebug Mahanarva fimbriolata (Stål, 1854) (Hemiptera: Cercopidae) has caused significant losses to sugarcane fields in the center-south of Brazil. However, the interaction of this pest with sugarcane hás not yet been characterized and few works have studied varietal resistance. In this work we compare the reaction of sugarcane genotypes to spittlebug infestation and study the plant-pest interaction through plant growth analyses, accumulation of stressrelated biomolecules and pest biology. Evidence of resistance through an antibiosis mechanism was observed in SP83-5073 and a DNA fragment was found to be possibly related to this resistance. The genotypes SP80-1816 and RB72454 have shown to be more resistant to the pest. We also observed that there are different perception mechanisms for water restriction and spittlebug infestation, indicating that proline levels cannot be used to measure the level of stress promoted by M. fimbriolata nymphs. The variety RB72454 is more tolerant to water deficit than SP80-1816. The increased concentration of phenolic compounds in the susceptible genotypes SP80-1816 and RB 72454 indicates this accumulation may be due to root death. No variation was observed in the levels of total phenolics in SP 85-5073 submitted to M. fimbriolata infestation. Spittlebug mortality and duration of nymph phase were higher in this variety, indicating the existence of an antibiosis mechanism.
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Faria, Rodrigo Donizeti. "Resistência de genótipos de milho Bt e não-Bt a Dalbulus maidis (Hemiptera : Cicadellidae) e molicutes /." Botucatu, 2020. http://hdl.handle.net/11449/192354.

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Orientador: Edson Luiz Lopes Baldin
Resumo: O milho (Zea mays L.) é um dos principais cereais cultivados no mundo. O Brasil é o terceiro maior produtor deste grão ficando atrás somente da China e dos Estados Unidos da América. A cigarrinha Dalbulus maidis (DeLong & Wolcott) (Hemiptera: Cicadellidae) causa danos diretos à cultura por meio da sucção contínua de seiva, além de ser vetora de fitopatógenos como o espiroplasma Spiroplasma kunkelli Whitcomb (CSS) e o fitoplasma Candidatus Phytoplasma asteris (MBSP), molicutes responsáveis por enfezamentos nas lavouras. O uso do controle químico dessa espécie apresenta baixa eficiência por se tratar de um inseto com alto grau de dispersão. A utilização de genótipos resistentes a pragas agrícolas é uma estratégia valiosa e compatível com as demais ferramentas do manejo integrado de pragas (MIP). O presente estudo objetivou avaliar 32 genótipos de milho não-Bt e Bt sob condições de campo, visando caracterizar a expressão de antixenose e a incidência de molicutes. Foram realizados dois experimentos, sendo o primeiro na “safrinha” (2018) e o segundo na “safra de verão” (2018/2019). Para a constatação da presença do espiroplasma e do fitoplasma, foi realizada análise PCR na “safra de verão” (2018/2019). Posteriormente, avaliou-se a possível expressão de resistência por antixenose e/ou antibiose em 11 genótipos de milho previamente selecionados no ensaio conduzido a campo (Capítulo 1), sobre D. maidis em casa de vegetação. Os parâmetros biológicos avaliados foram: duração dos estádi... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: Corn (Zea mays L.) is one of the main cereals grown in the world. Brazil is the third largest producer of this grain behind only China and the United States of America. The leafhopper Dalbulus maidis (DeLong & Wolcott) (Hemiptera: Cicadellidae) causes direct damage to the crop through the continuous suction of sap, in addition to being a vector of phytopathogens such as the Spiroplasma kunkelli Whitcomb (CSS) and the phytoplasma Candidatus Phytoplasma asteris (MBSP), responsible for red stunt. The use of chemical control of this species has low efficiency because it is an individual with a high degree of dispersion. The use of genotypes resistant to agricultural pests is a valuable strategy and compatible with other integrated pest management (IPM) tools. The present study aimed to evaluate 32 no-Bt and Bt corn genotypes under field conditions, aiming to characterize the expression of antixenosis and the incidence of molicutes. Two experiments were carried out, the first in the second harvest (2018) and the second in the first harvest (2018/2019). To contact the presence of spiroplasma and phytoplasma, PCR analysis was performed in the first harvest (2018/2019). Subsequently, the possible expression of resistance by antixenosis and /or antibiosis was evaluated in 11 corn genotypes previously selected in the field trial (Chapter 1), on D. maidis in a greenhouse. The biological parameters evaluated were: duration of the stages and the nymphal period, viability per instar and to... (Complete abstract click electronic access below)
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Huddleston, Annaliesa S. "The distribution and diversity of streptomycin-producing streptomycetes in Brazilian soil." Thesis, University of Warwick, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.484192.

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Books on the topic "Antibiosis"

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International Symposium on Antimicrobial Agents and Immunity (1985 Siena, Italy). Antibiosis and host immunity. New York: Plenum Press, 1987.

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Szentivanyi, Andor, Herman Friedman, and Günther Gillissen, eds. Antibiosis and Host Immunity. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1901-6.

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Koch, Arthur L. The Bacteria: Their Origin, Structure, Function and Antibiosis. Dordrecht: Springer Netherlands, 2006. http://dx.doi.org/10.1007/978-1-4020-3206-6.

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Hallmann, Johannes. Biologische Bekämpfung pflanzenparasitärer Nematoden mit antagonistischen Bakterien. Berlin: Biologische Bundesanstalt für Land- und Forstwirtschaft, 2003.

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Sköld, Ola. Antibiotics and Antibiotic Resistance. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118075609.

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Hays, Virgil W. Antibiotics for animals: The antibiotic-resistance issue. Ames, Iowa: Council for Agricultural Science and Technology, 1989.

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Murray, Patrick R. Pocket guide to clinical microbiology. 2nd ed. Washington, D.C: ASM Press, 1998.

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Solera, Edgar Cabezas. El onceavo mandamiento: Desconfiar de sí mismo y del prójimo : Clorito Picado y la antibiosis : contribución al conocimiento del sabio costarricense y su aventura relacionada con el descubrimiento de la penicilina. San José: Editorial Nacional de Salud y Seguridad Social, 1993.

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Knutson, Devon. Antibiotics for animals. Pullman: Cooperative Extension, College of Agriculture & Home Economics, Washington State University, 1990.

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Oversight, United States Congress House Committee on Science and Technology Subcommittee on Investigations and. Antibiotic resistance: Hearings before the Subcommittee on Investigations and Oversight of the Committee on Science and Technology, U.S. House of Representatives, Ninety-eighth Congress, second session, December 18, 19, 1984. Washington: U.S. G.P.O., 1985.

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Book chapters on the topic "Antibiosis"

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Hangay, George, Severiano F. Gayubo, Marjorie A. Hoy, Marta Goula, Allen Sanborn, Wendell L. Morrill, Gerd GÄde, et al. "Antibiosis." In Encyclopedia of Entomology, 165. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6359-6_10261.

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Gooch, Jan W. "Antibiosis." In Encyclopedic Dictionary of Polymers, 874. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_13134.

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Bueno, Juan. "Nanotechnology Beyond the Antibiosis." In Nanotechnology in the Life Sciences, 103–14. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-43855-5_8.

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Szentivanyi, Andor, Herman Friedman, Günther Gillissen, and Judith Szentivanyi. "Immunomodulatory Effects of Some Antibiotic-Induced Changes in Bacterial and Host Determinants." In Antibiosis and Host Immunity, 3–11. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1901-6_1.

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Wiemer, Christoph, Britta Kubens, and Wolfgang Opferkuch. "The Influence of Antibiotics on the Serum Resistance of Enterobacteriaceae." In Antibiosis and Host Immunity, 101–8. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1901-6_10.

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Easmon, Charles S. F. "Uptake and Antibacterial Effects of Antibiotics within Cells." In Antibiosis and Host Immunity, 109–12. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1901-6_11.

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Brandely, Maud, Iris Motta, Bruno Hurtrel, Paolo Truffa-Bachi, and Philippe H. Lagrange. "Effects of Suramin on the Mouse Immune System." In Antibiosis and Host Immunity, 113–19. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1901-6_12.

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Escobar, Mario R. "Immunomodulation by Antiviral Agents." In Antibiosis and Host Immunity, 121. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1901-6_13.

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De Clercq, Erik. "Antiviral Agents in the Treatment of Herpes Virus Infections in Immunosuppressed Patients." In Antibiosis and Host Immunity, 123–34. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1901-6_14.

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Ghione, M., A. Pugliese, A. Valpreda, C. Salomone, P. Martinetto, and P. A. Tovo. "The Effect of Some Antibiotics on Interferon Production." In Antibiosis and Host Immunity, 135–39. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1901-6_15.

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Conference papers on the topic "Antibiosis"

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Almeida, André Cirilo de Sousa. "Antibiosis in soybean cultivars againstHeliothis virescens(Lepidoptera: Noctuidae)." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.114393.

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LI, Yongzhen, Puwang LI, Mingzhe LV, and Fan ZHANG. "Graft Copolymerization of Natural Rubber with Maleoyl Chitosan for Antibiosis." In 2016 International Conference on Architectural Engineering and Civil Engineering. Paris, France: Atlantis Press, 2017. http://dx.doi.org/10.2991/aece-16.2017.38.

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Baldin, Edson L. L. "Feeding behavior ofAphis glycines(Hemiptera: Aphididae) on soybeans exhibiting antibiosis and tolerance." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.115154.

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Traxler, SimonFranzMaximilian, Marcus Wallnöfer, Martin Leinung, AndreasGerman Loth, and Timo Stöver. "Initial experience in home therapy with peripheral centralvenous catheter (PICC) for long-term antibiosis." In 94th Annual Meeting German Society of Oto-Rhino-Laryngology, Head and Neck Surgery e.V., Bonn. Georg Thieme Verlag, 2023. http://dx.doi.org/10.1055/s-0043-1767546.

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Khudadad, Hanan, and Lukman Thalib. "Antibiotics Prescription Patterns in Primary Health Care in Qatar – A Population based study from 2017 to 2018." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0169.

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Background: Antibiotics are antimicrobial drugs used in the treatment and prevention of bacterial infections. They played a pivotal role in achieving major advances in medicine and surgery (1). Yet, due to increased and inappropriate use of antibiotics, antibiotic resistance (AR) has become a growing public health problem. Information on antibiotic prescription patterns are vital in developing a constructive approach to deal with growing antibiotic resistance (2). The study aims to describe the population based antibiotic prescriptions among patients attending primary care centers in Qatar. Methodology: A population based observational study of all medications prescribed in the all Primary Health Care Centers during the period of 2017-2018 in Qatar. Records with all medication prescriptions were extracted and linked to medical diagnosis. Antibiotics prescriptions records were compared to non- antibiotics records using logistic regression model in identifying the potential predictors for antibiotic prescriptions. Results: A total of 11,069,439 medication prescriptions given over a period of two-years, we found about 12.1% (n= 726,667) antibiotics prescriptions were antibiotics, and 65% of antibiotics are prescribed and received by the patients at the first visits. Paracetamol (22.3%) was the first highest medication prescribed followed by antibiotics (12.1 %) and vitamin D2 (10.2 %). More than half of all antibiotics prescribed during the period of January 2017 to December 2018 were Penicillin (56.9%). We found that half of the antibiotics (49.3 %) have been prescribed for the respiratory system comparing to the other body system. We found that males were 29% more likely be given an antibiotic compared to females (OR=1.29, 95% CI= 1.24- 1.33). Implications: The study provides a baseline data to enable PHCC management to design effective intervention program to address the problem of antibiotics resistance. Furthermore, it will help the policymakers to comprehend the size of the issue and develop a system to manage the antibiotics therapy. Conclusion: Antibiotics was the second highest medication prescribed in the Primary Health Care Centers in Qatar after paracetamol and most of the patients received it at the first visit. Most of the prescriptions in Primary Health Care Centers in Qatar were for the respiratory system, and Penicillin was the highest class prescribed. Male visitors were prescribed antibiotics more than female visitors.
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Vasić, Katja, Mateja Primožič, Mislav Trbušić, Viktor Goričan, Marko Jesenik, Anton Hamler, Željko Knez, Yilmaz Yürekli, and Maja Leitgeb. "Magnetic Field as a Tool for Enhancing β -Lactamase Activity." In International Conference on Technologies & Business Models for Circular Economy. University of Maribor Press, 2024. http://dx.doi.org/10.18690/um.fkkt.1.2024.11.

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β-Lactam antibiotics have been extensively employed in bacterial treatment ever since penicillin's groundbreaking discovery. Despite the proliferation of antibiotics in the pharmaceutical sector today, bacteria often evolve defense mechanisms. Chief among these is the production of β-lactamase enzymes, which degrade β-lactam antibiotics, representing a prevalent form of antibiotic resistance. Additionally, these antibiotics exhibit limited biodegradability, with only 20% breaking down naturally. Hence, finding effective methods to mitigate the presence of β-lactam antibiotics is crucial in combating antibiotic pollution.
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Niyonshuti, Eric, Zacharia Waithaka Ng’ang’a, Özer Hakan Bayraktar, and Figen Kırkpınar. "Antibiotic Free Poultry Production-Focus on Antimicrobial Resistance, Challenges, and Alternatives." In 6th International Students Science Congress. Izmir International Guest Student Association, 2022. http://dx.doi.org/10.52460/issc.2022.008.

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Antibiotics play a huge role in poultry production as they are used to treat clinical diseases, to prevent and control common diseases and to enhance animal growth. However, misuse of antibiotics over time has led to the development of antimicrobial resistance in both animals and humans. Therefore, antibiotic free production of poultry has been on an increase in line with consumers’ preference for the same. However, a ban on antibiotics places a heavy burden on disease control and production costs of poultry. It also creates a need for alternatives whereby major companies have developed products like probiotics and essential oils in order to reduce the need for antibiotics in poultry production. The aim of this review is to highlight the journey towards antibiotic-free poultry production, role of antibiotics in the development of resistance, challenges encountered and alternatives used in antibiotic free production. In conclusion, this article recommends that antibiotics should not be completely banned due to poultry welfare issues. However, antibiotics should be used by trained personnel to only treat and control diseases.
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Malancea, Nicolae, and Nicolae Starciuc. "Date statistice privind consumul de antibiotice utilizate în creșterea păsărilor din Republica Moldova." In Scientific and practical conference with international participation: "Management of the genetic fund of animals – problems, solutions, outlooks". Scientific Practical Institute of Biotechnologies in Animal Husbandry and Veterinary Medicine, 2023. http://dx.doi.org/10.61562/mgfa2023.56.

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The development of antimicrobial resistance is closely related to the consumption of antibiotics in poultry, with the increase in the use of antibiotics, the incidence of antimicrobial resistance also increases, therefore it is important to monitor and verify the effectiveness of the antibiotics used in poultry farming. The probability of antibiotic treatment failure rises as a result of the transfer of resistance genes from poultry to people. Both human and animal welfare have benefited from the usage of antibiotics. However, improper use of antibiotics in any sector leads to the emergence of antibiotic-resistant pathogenic microorganisms that have negative health effects on both people and animals. It is well known that more than 50% of all antibiotics produced globally are used in animal production, both therapeutically and non-therapeutically. This study documents antibiotic usage in poultry farming with specific focus on the role of poultry production in the development of antimicrobial resistance pathogens. The market of veterinary medicines, including antibiotics, in the Republic of Moldova is mainly covered by imports. Thus, about 87% of the antibiotics that can be used in poultry farming are imported and only 13% from local production. Another important aspect with reference to antibiotics used in poultry farming is the fact that about 21% of antibiotics are part of category B (the group of antibiotics that are of critical importance in human medicine), according to the classification of AntiMicrobial Expert Group. Therefore inappropriate use of antibiotics from this category represent an increased risk to human health.
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Pečan, Luka Irenej, Francisco-Righoberto Barrios, and Jeran Marko. "Cannabinoid Molecules from Cannabis Sativa L. as a Promissing Solution for Methicillin-Resistant Staphylococcus Aureus (MRSA)." In Socratic Lectures 8. University of Lubljana Press, 2023. http://dx.doi.org/10.55295/psl.2023.i15.

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Scientists are working to develop new types of antibiotics to combat the growing problem of antibiotic resistance in bacteria. One potential source of these new drugs is the plant Cannabis sativa L., which has been used for medical purposes for centuries. The beneficial properties of this plant are mainly due to the presence of compounds called cannabinoids. Researchers are currently exploring the use of cannabinoids to treat various infections, although they are mainly known for their psychoactive effects. Some studies have shown that certain cannabinoids can be effective against harmful bacteria including those that are resistant to common antibiotics. In addition, a combination of different antibiotics has been shown to be more effective than a single antibiotic. Keywords: Cannabis sativa L.; Cannabinoids; Methicillin-resistant S. aureus (MRSA); Antibiotics; Bacteria; Biological activity
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Kumalasari, Yeni Indra, Agung Dian Kharisma, and Sri Yuwantiningsih. "Potential of Karimunjawa Island’s Plants as Antibiotic-Producing Endophytic Bacteria Sources." In The 2nd International Conference on Technology for Sustainable Development. Switzerland: Trans Tech Publications Ltd, 2022. http://dx.doi.org/10.4028/p-kv25ou.

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Endophytic bacteria have a great potential to be applied as biofertilizers and biopesticides, but their information as a source of antibiotics still needs to be developed and explored. The aim of this study was to investigate the potential sources of antibiotics in endophytic bacteria isolated from the stems of Setigi, Wahong, Bongko, Kalimosodo, Dewandaru, and Legundi plants on Karimunjawa Island. Molecular approaches were performed to isolate, characterize, and identify bacterial endophytes as potential antibiotic sources by plate assay and 16S rRNA gene sequence analysis. Dewandaru isolate was identified as gram-negative bacteria, whereas; gram-positive bacteria were detected in other isolates. Moreover, Setigi and Dewandaru isolates showed the highest level to inhibit the growth of Fusarium sp and displayed 99% similarity with antibiotic-producing bacteria, namely Bacillus pumilus and Bacillus cereus, respectively. These results indicate the possibility of antibiotic activities by Setigi and Dewandaru isolated. Therefore, it is assumed that both Setigi and Dewandaru isolates potentially appeared as new antibiotics sources from local plants. This study provides novel insight into the future production of novel antibiotics derived from plant-associated endophytic bacterial as a strategy for increasing the application of natural compounds to control plant diseases in agriculture.
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Reports on the topic "Antibiosis"

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Peñaloza, Blanca. Which interventions can improve antibiotic prescription in ambulatory setting? SUPPORT, 2011. http://dx.doi.org/10.30846/11080608.

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The unnecessary use of antibiotics in the ambulatory setting can produce increased antimicrobial resistance among bacterial pathogens. This increasing prevalence of antibiotic resistance has led to the use of more expensive and broad spectrum antibiotics, contributing to increasing health care costs. Numerous strategies to reduce inappropriate use of antibiotics have been implemented by investigators and organizations at the clinician, patient and organization level.
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Ciapponi, Agustín. What is the effectiveness of interventions to improve antibiotic prescribing practices for hospital inpatients? SUPPORT, 2016. http://dx.doi.org/10.30846/1610132.

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In-hospital infections caused by antibiotic-resistant bacteria and Clostridium difficile are associated with higher rates of death, illness and prolonged hospital stay which is a serious problem for patients and healthcare systems. These infections occur because antibiotics are used too often and incorrectly.
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Helmut, Bürgmann, Adrian Egli, Andreas Endimiani, Roger Stephan, Sarah Tschudin Sutter, and Wolf-Dietrich Hardt. Routes and reservoirs of AMR-determinants & One Health AMR-surveillance. Swiss National Science Foundation SNSF, November 2022. http://dx.doi.org/10.46446/publication_nrp72.2022.2.en.

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The thematic synthesis “Optimized use of antibiotics and behavior changes” summarises the NRP 72 research that developed and tested interventions aimed at reducing and optimising antibiotic usage. It formulates detailed conclusions and recommendations in this area, which have been drafted in collaboration with researchers and numerous stakeholders.
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Naegeli, Hanspeter, Noémie Boillat Blanco, Benedikt Huttner, Mireille Meylan, and Vivianne Visschers. Optimized use of antibiotics and behavior changes. Swiss National Science Foundation SNSF, November 2022. http://dx.doi.org/10.46446/publication_nrp72.2022.4.en.

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The thematic synthesis “Optimized use of antibiotics and behavior changes” summarises the NRP 72 research that developed and tested interventions aimed at reducing and optimising antibiotic usage. It formulates detailed conclusions and recommendations in this area, which have been drafted in collaboration with researchers and numerous stakeholders.
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AlBakri, Aref, Auswaf Ahsan, Manoj Vengal, KR Ashir, Abdul Majeed, and Hanan Siddiq. Antibiotic Prophylaxis before Invasive Dental Procedures for Patients at High-Risk of Infective Endocarditis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, July 2022. http://dx.doi.org/10.37766/inplasy2022.7.0011.

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Review question / Objective: The aim of the present systematic review and meta-analysis is to determine whether there is a genuine clinical need for Antibiotic Prophylaxis(AP) for the prevention of Infective Endocarditis(IE) in high-risk individuals (particularly those with demonstrable structural heart diseases or valve surgery) undergoing invasive dental procedures. Information sources: PubMed, Science Direct, British Dental Journal and Cochrane Register of Controlled Trials. Search terms used included various combinations of the following subject headings and title or abstract keywords – prophylactic antibiotics, antibiotic prophylaxis, antimicrobial, dentist, extraction, implant, infective endocarditis, or bacterial endocarditis.
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Kloepper, Joseph W., and Ilan Chet. Endophytic Bacteria of Cotton and Sweet Corn for Providing Growth Promotion and Biological Disease Control. United States Department of Agriculture, January 1996. http://dx.doi.org/10.32747/1996.7613039.bard.

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Endophytes were isolated from 16.7% of surface-disinfested seeds and 100% of stems and roots of field-growth plants. Strains from Israel with broad-spectrum in vitro antibiosis were mainly Bacillus spp., and some were chitinolytic. Following dipping of cut cotton roots into suspensions of these strains, endophytes were detected up to 72 days later by isolation and by autoradiograms of 14C-labelled bacteria. Selected endophytes exhibited biological control potential based on significant reductions in disease severity on cotton inoculated with Rhizoctonia solani or Fusarium oxysporum f. sp. vasinfectum as well as control of Sclerotium rolfsii on bean. Neither salicylic acid nor chitinase levels increased in plants as a result of endophytic colonization, suggesting that the observed biocontrol was not accounted for by PR protein production. Some biocontrol endophytes secreted chitinolytic enzymes. Model endophytic strains inoculated into cotton stems via stem injection showed only limited movement within the stem. When introduced into stems at low concentrations, endophytes increased in population density at the injection site. After examining several experimental and semi-practical inoculation systems, seed treatment was selected as an efficient way to reintroduce most endophytes into plants.
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Wierup, Martin, Helene Wahlström, and Björn Bengtsson. How disease control and animal health services can impact antimicrobial resistance. A retrospective country case study of Sweden. O.I.E (World Organisation for Animal Health), April 2021. http://dx.doi.org/10.20506/bull.2021.nf.3167.

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Data and experiences in Sweden show that it is possible to combine high productivity in animal production with the restricted use of antibiotics. The major key factors that explain Sweden’s success in preventing AMR are: Swedish veterinary practitioners were aware of the risk of AMR as early as the 1950s, and the need for prudent use of antibiotics was already being discussed in the 1960s. Early establishment of health services and health controls to prevent, control and, when possible, eradicate endemic diseases reduced the need for antibiotics. Access to data on antibiotic sales and AMR made it possible to focus on areas of concern. State veterinary leadership provided legal structures and strategies for cooperation between stakeholders and facilitated the establishment of coordinated animal health services that are industry-led, but supported by the State.
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8

Chiu, Chia-Yu, and Amara Sarwal. Impact of area under the curve-based vancomycin dosing combination with anti-pseudomonal beta-lactam antibiotics: a systematic review and meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, December 2022. http://dx.doi.org/10.37766/inplasy2022.12.0025.

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Review question / Objective: Did AUC-based vancomycin dosing reduce acute kidney injury than trough-based dosing when combined with anti-pseudomonal beta-lactam antibiotic? Condition being studied: Patients received Vancomycin combined with anti-pseudomonal beta-lactam antibiotics and monitor with either trough-base dosing or AUC-based dosing vancomycin. Information sources: All study types except case reports, case series, and conference abstracts were considered. PubMed, Embase, Cochrane Library, and ClinicalTrials.gov were searched from inception to November2022.
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9

Block, Jason, Christopher Forrest, Douglas Lunsford, Juliane Reynolds, and Bridget Nolan. Looking at the Effects of Antibiotic Use on Childhood Obesity and Growth -- The PCORnet® Antibiotics Study. Patient-Centered Outcomes Research Institute (PCORI), October 2020. http://dx.doi.org/10.25302/10.2020.obs.150530699.

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10

Lilley, Laura Margaret. Radiopharmaceutical Antibiotics. Office of Scientific and Technical Information (OSTI), July 2018. http://dx.doi.org/10.2172/1458965.

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