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Journal articles on the topic 'Antimicrobial minimum inhibitory concentration'

Author: Grafiati

Published: 4 June 2021

Last updated: 11 February 2022

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1

Daniel, Amanda G. S., José P. H. Sato, Michelle P. Gabardo, et al. "Minimum inhibitory concentration of Brazilian Brachyspira hyodysenteriae strains." Pesquisa Veterinária Brasileira 37, no. 4 (2017): 331–38. http://dx.doi.org/10.1590/s0100-736x2017000400006.

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ABSTRACT: The objectives of this study were to characterize Brachyspira hyodysenteriae isolates and to evaluate the antimicrobial susceptibility patterns of strains obtained from pigs in Brazil based on the minimal inhibitory concentration test (MIC). The MIC was performed for 22 B. hyodysenteriae isolates obtained from 2011 to 2013 using the following antimicrobial drugs: tylosin, tiamulin, valnemulin, doxycycline, lincomycin and tylvalosin. Outbreaks of swine dysentery were diagnosed based on clinical presentation, bacterial isolation, gross and microscopic lesions, duplex PCR for B. hyodyse

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2

Gomes, Joana, Joana Barbosa, and Paula Teixeira. "The Inhibitory Concentration of Natural Food Preservatives May Be Biased by the Determination Methods." Foods 10, no. 5 (2021): 1009. http://dx.doi.org/10.3390/foods10051009.

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The demand for natural antimicrobials as food preservatives has increased due to the growing interest of the population for a healthy lifestyle. The application of screening methods to identify the antimicrobial activity of natural compounds is of great importance. The in vitro determination of antimicrobial activity requires determining their minimum inhibitory concentrations to assess microbial susceptibility. This study aimed to evaluate the minimum inhibitory concentrations of three natural antimicrobial compounds—chitosan, ethanolic propolis extract, and nisin—against 37 microorganisms (d

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3

Eloff, Jacobus Nicolaas. "A Proposal Towards a Rational Classification of the Antimicrobial Activity of Acetone Tree Leaf Extracts in a Search for New Antimicrobials." Planta Medica 87, no. 10/11 (2021): 836–40. http://dx.doi.org/10.1055/a-1482-1410.

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AbstractMany scientists investigate the potential of finding new antibiotics from plants, leading to more than a thousand publications per year. Many different minimum inhibitory concentrations of extracts have been proposed to decide if an extract has interesting activity that could lead to the discovery of a new antibiotic. To date, no rational explanation has been given for the selection criteria different authors have used. The cumulative percentage of plant extracts with different activities from a large experiment determining the activity of 714 acetone tree leaf extracts of 537 differen

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Ullah, Najeeb, Abdur Rehman, Sohail Ahmad, et al. "Antimicrobial Assay and Minimum Inhibitory Concentration Values of Cistanche tubulosa." International Journal of Current Microbiology and Applied Sciences 5, no. 2 (2016): 380–88. http://dx.doi.org/10.20546/ijcmas.2016.502.043.

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5

Taiyari, H., N. M. Faiz, J. Abu, and Z. Zakaria. "Antimicrobial minimum inhibitory concentration of Mycoplasma gallisepticum: a systematic review." Journal of Applied Poultry Research 30, no. 2 (2021): 100160. http://dx.doi.org/10.1016/j.japr.2021.100160.

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6

Sperling, D., H. Karembe, M. Zouharova, and K. Nedbalcova. "Examination of the minimum inhibitory concentration of amoxicillin and marbofloxacin against Streptococcus suis using standardised methods." Veterinární Medicína 65, No. 9 (2020): 377–86. http://dx.doi.org/10.17221/111/2020-vetmed.

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The results of the antimicrobial susceptibility testing of clinical isolates Streptococcus suis to amoxicillin and marbofloxacin obtained by the agar dilution method and broth microdilution method with the results obtained by the commercially available E-test were compared. Comparisons between the methods based on the determination of the minimal inhibitory concentration (MIC) of the antimicrobials were assessed based on the degree and frequency of the categorical agreement (Agar dilution method as a reference system) and the percentage of the categorical agreement and error rate. A statistica

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7

Michael, Alec, Todd Kelman, and Maurice Pitesky. "Overview of Quantitative Methodologies to Understand Antimicrobial Resistance via Minimum Inhibitory Concentration." Animals 10, no. 8 (2020): 1405. http://dx.doi.org/10.3390/ani10081405.

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The development of antimicrobial resistance (AMR) represents a significant threat to humans and food animals. The use of antimicrobials in human and veterinary medicine may select for resistant bacteria, resulting in increased levels of AMR in these populations. As the threat presented by AMR increases, it becomes critically important to find methods for effectively interpreting minimum inhibitory concentration (MIC) tests. Currently, a wide array of techniques for analyzing these data can be found in the literature, but few guidelines for choosing among them exist. Here, we examine several qu

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8

Capoor, Malini R., Deepthi Nair, Jitendra Posti, et al. "Minimum inhibitory concentration of carbapenems and tigecycline against Salmonella spp." Journal of Medical Microbiology 58, no. 3 (2009): 337–41. http://dx.doi.org/10.1099/jmm.0.47853-0.

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Antimicrobial resistance in Salmonella spp. is of grave concern, more so in quinolone-resistant and extended-spectrum β-lactamase (ESBL)-producing isolates that cause complicated infections. The MIC of azithromycin, ciprofloxacin, cefixime, cefepime, ceftriaxone, gatifloxacin, imipenem, levofloxacin, meropenem and ofloxacin (E-test strip) and tigecycline and faropenem (agar dilution) against 210 Salmonella spp. was determined. MIC90 (defined as the antimicrobial concentration that inhibited growth of 90 % of the strains) of the carbapenems (imipenem and meropenem) for Salmonella Typhi and Salm

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9

Li, Menghui, Chunyun Zhang, Guilin Chen, Lutfun Nahar, Satyajit D. Sarker, and Mingquan Guo. "Headspace gas chromatographic method for antimicrobial screening: Minimum inhibitory concentration determination." Journal of Pharmaceutical and Biomedical Analysis 181 (March 2020): 113122. http://dx.doi.org/10.1016/j.jpba.2020.113122.

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10

Monteiro, Carla Roana Moraes, Adriele Rodrigues dos Santos, Marcos Vieira da Silva, et al. "Evaluation of the Antimicrobial Activity of Buriti (Mauritia Flexuosa) Pulp Extracts." Open Food Science Journal 11, no. 1 (2019): 89–94. http://dx.doi.org/10.2174/1874256401911010089.

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Background: Buriti (Mauritia flexuosa) is a palm tree typical of the Amazon region. This plant belongs to the Arecaceae family and is economically important because it contains substances important for the food, cosmetic and pharmaceutical industries. It has, in its fruits, compounds with antimicrobial potential. Objective: The objective of this study was to evaluate the minimal inhibitory concentration and minimum bactericidal concentration of the Buriti extracts against the four bacteria: Salmonella enterica serotype Typhimurium ATCC 14028, Staphylococcus aureus ATCC 25923, Escherichia coli

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11

Lowman, W. "Minimum inhibitory concentration-guided antimicrobial therapy – the Achilles heel in the antimicrobial stewardship agenda." South African Medical Journal 108, no. 9 (2018): 710. http://dx.doi.org/10.7196/samj.2018.v108i9.13285.

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12

Arora, Suraj, Shahabe Abullais Saquib, Youssef A. Algarni, et al. "Synergistic Effect of Plant Extracts on Endodontic Pathogens Isolated from Teeth with Root Canal Treatment Failure: An In Vitro Study." Antibiotics 10, no. 5 (2021): 552. http://dx.doi.org/10.3390/antibiotics10050552.

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Background and objectives: This study aimed to evaluate the synergistic antimicrobial activity of extracts obtained from Salvadora persica (Miswak), Commiphora molmol (myrrh) and Azadirachta indica (neem) in combination with commercially available antimicrobial agents: penicillin, tetracycline, ofloxacin and fluconazole on endodontic pathogens such as Enterococcus faecalis, Streptococcus mitis,Actinomyces naeslundii and Candida albicans. Materials and Methods: Microbiological samples from the root canals of the teeth undergoing retreatment were taken using sterile paper points kept at full len

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13

Başyiğit, B., Ş. Dağhan, and M. Karaaslan. "Biochemical, compositional, and spectral analyses of İsot (Urfa pepper) seed oil and evaluation of its functional characteristics." Grasas y Aceites 71, no. 4 (2020): 384. http://dx.doi.org/10.3989/gya.0915192.

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In this study, the physicochemical, functional, and antimicrobial properties of pepper seed oil (PSO) were determined. PSO was subjected to differential scanning calorimeter (DSC), fatty acid composition, carotenoid, capsaicin, and tocopherol analyses. LC-ESI-MS/MS and NMR were used to characterize and quantify phytochemicals. Resveratrol, luteolin, and 4-hydroxycinnamic acid were the principal phenolics in PSO. A high concentration of unsaturated fatty acids (85.3%), especially linoleic acid (73.7%) is present in PSO. Capsaicin, dihydrocapsaicin, α-tocopherol, δ-tocopherol, zeaxanthin, and ca

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14

Ray, Krishna, Manju Bala, Jogindar Kumar, and R. S. Misra. "Trend of Antimicrobial Resistance in Neisseria Gonorrhoeae at New Delhi, India." International Journal of STD & AIDS 11, no. 2 (2000): 115–18. http://dx.doi.org/10.1177/095646240001100209.

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We aim to monitor the trends of antimicrobial resistance in Neisseria gonorrhoeae and to compare the results of antimicrobial sensitivity by disc diffusion and minimum inhibitory concentration (MIC). Two hundred and eleven confirmed strains of N. gonorrhoeae were subjected to antimicrobial sensitivity testing by disc diffusion using penicillin, tetracycline, ciprofloxacin and ceftriaxone from 1995 to June 1999. Penicillinase-producing Neisseria gonorrhoeae (PPNG) were detected by lodometric method. Minimum inhibitory concentration was determined by E test. A low level of penicillin resistance

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15

Shama, Mary, KV Hridhya, and M. Kulandhaivel. "Evaluation of Antimicrobial Activity and Minimum Inhibitory Concentration of Ethanolic Extract of Three Medicinal Plants against Bacteria causing Skin Infection." Journal of Pure and Applied Microbiology 12, no. 1 (2018): 375–79. http://dx.doi.org/10.22207/jpam.12.1.44.

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16

Mekonnen, Awol, Berhanu Yitayew, Alemnesh Tesema, and Solomon Taddese. "In VitroAntimicrobial Activity of Essential Oil ofThymus schimperi,Matricaria chamomilla,Eucalyptus globulus, andRosmarinus officinalis." International Journal of Microbiology 2016 (2016): 1–8. http://dx.doi.org/10.1155/2016/9545693.

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In this study, thein vitroantimicrobial activities of four plant essential oils (T. schimperi,E. globulus,R. officinalis, andM. Chamomilla) were evaluated against bacteria and fungi. The studies were carried out using agar diffusion method for screening the most effective essential oils and agar dilution to determine minimum inhibitory concentration of the essential oils. Results of this study revealed that essential oils ofT. schimperi,E. globulus, andR. officinaliswere active against bacteria and some fungi. The antimicrobial effect ofM. chamomillawas found to be weaker and did not show any

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17

Batiston, Thaisa Francielle Toposlki Pavan, Angelica Frigo, Lenita Moura Stefani, Aleksandro Schafer Da Silva, and Denise Nunes Araujo. "Physicochemical composition and antimicrobial potential of stingless honey: a food of differentiated quality." Research, Society and Development 9, no. 10 (2020): e7099108223. http://dx.doi.org/10.33448/rsd-v9i10.8223.

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This study aimed to assess the antimicrobial activity of various honeys against strains of gram-negative and -positive bacteria, as well as to determine the physicochemical parameters of these honeys. Seven honeys from various species of stingless bees were evaluated. The physical-chemical parameters evaluated were pH, moisture, water activity, acidity, ash, electrical conductivity and color. Antimicrobial activity was determined using disc diffusion agar tests and minimum inhibitory concentrations. We found that there was a relationship between the physical-chemical parameters and the antimic

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18

Journal, Baghdad Science. "Effect of Aquatic, Alcoholic and Oily Extracts of Cocos nucifera L.on the Growth of Certain Pathogenic Bacteria Isolated from Wounds and Burns Infections." Baghdad Science Journal 9, no. 3 (2012): 417–23. http://dx.doi.org/10.21123/bsj.9.3.417-423.

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Three types of extracts ( aquatic, alcoholic, and oily ) were prepared from the fruits of coconuts, and a series of chemical tests were conducted in addition to the use of the FTIR equipment to determine the active locations in the prepared extracts. The results indicated the presence of active compounds (tannins, saponins, flavonoids, turbines and steroids) in the extracts prepared from the fruits of coconuts, also the antimicrobial capability of these extracts were tested on pathogenic bacteria isolated from wounds and burns infections cases. The results proved that the concentration 80 mg/m

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19

Ozawa, Manao, Michiko Kawanishi, Mariko Uchiyama, et al. "Correlation of minimum inhibitory concentrations between human and animal antimicrobials against Escherichia coli isolated from livestock." Journal of Veterinary Diagnostic Investigation 33, no. 4 (2021): 744–48. http://dx.doi.org/10.1177/10406387211019718.

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We analyzed the correlation between minimum inhibitory concentrations (MICs) of antimicrobials used in humans and those used in animals to enable comparison of antimicrobial susceptibility between Escherichia coli isolated from humans and those from animals. We compared the following pairs of MIC data: piperacillin (PIPC) to ampicillin (ABPC), amikacin (AMK) to kanamycin (KM), minocycline (MINO) to oxytetracycline (OTC), and levofloxacin (LVFX) to enrofloxacin (ERFX) using 103 isolates of E. coli from healthy livestock (cattle, pigs, broiler chickens, and layer chickens). Kappa analysis of the

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20

Trampel, Darrell W., Joann M. Kinyon, and Neil S. Jensen. "Minimum Inhibitory Concentration of Selected Antimicrobial Agents forSerpulinaIsolated from Chickens and Rheas." Journal of Veterinary Diagnostic Investigation 11, no. 4 (1999): 379–82. http://dx.doi.org/10.1177/104063879901100418.

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21

T, Shamala, A. M. Krupanidhi, Shanmukhappa S, B. E. Basavarajappa, and Jayamma kulkarni. "Antimicrobial Activity of Bauhinia Purpurea (L) by Minimum Inhibitory Concentration (MIC) Method." IOSR Journal of Pharmacy and Biological Sciences 12, no. 01 (2017): 69–71. http://dx.doi.org/10.9790/3008-1201026971.

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22

Salama, Paul, and Ariel Gliksberg. "The Use of Catalytic Amounts of Selected Cationic Surfactants in the Design of New Synergistic Preservative Solutions." Cosmetics 8, no. 2 (2021): 54. http://dx.doi.org/10.3390/cosmetics8020054.

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Preservation using combinations of antibacterial molecules has several advantages, such as reducing the level of usage and broadening their antimicrobial spectrum. More specifically, the use of quaternary ammonium surfactants (QAS)—which are profusely used in hair care products and some are known as efficient antimicrobial agents—is limited due to some potential cytotoxicity concerns. This study shows that the concentration of some widely used cosmetic preservatives can be decreased when combined with very small quantities of QAS, i.e., Polyquaternium-80 (P-80) and/or Didecyldimethylammonium c

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23

Lourenço, Mariana, Adilson Cesar Abreu Bernardi, Nadia Lunardi, Rodolfo Jorge Boeck Neto, Patricia Sigilló Mazzoni Bernardi, and Eloisa Marcantônio Boeck. "In vitro evaluation of the antimicrobial activity of Basil (Ocimum baslicum L.) and Coriander (Coriandrum satirum L.) oil extracts on Streptococus mutans." Journal of Research in Dentistry 5, no. 2 (2018): 40. http://dx.doi.org/10.19177/jrd.v5e2201740-45.

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Plant extracts and essential oils show efficiency on growth control in a wide variation of microorganisms, including filamentous fungi, yeasts and bacteria. To evaluate antimicrobial activity of plant extracts, determine the lower quantity of substance to inhibit the microorganism test growth is necessary. This value is known as Minimum Inhibitory Concentration (MIC). This study had as aim to verify the antimicrobial action and the Minimum Inhibitory Concentration (MIC) of basil (Ocimum basilicum L.) and coriander (Coriandrum sativum L.) oil extract before S. mutans (ATCC 25175) strains. Antim

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Anuar, Nursyazwani, Mohamad Nurul Azmi Mohamad Taib, Khayriyyah Mohd Hanafiah та ін. "Synthesis of 1ʹ-acetoxychavicol acetate (ACA) analogues and their inhibitory activities against methicillin-resistant Staphylococcus aureus". Journal of Physical Science 31, № 3 (2020): 101–11. http://dx.doi.org/10.21315/jps2020.31.3.8.

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A series of 1ʹ-acetoxychavicol acetate analogues were synthesised and evaluated for their antimicrobial activity against methicillin-resistant Staphylococcus aureus (MRSA) using broth microdilution technique. The minimum inhibitory concentration (MIC) was used to determine whether the compounds had potential as inhibitory agents against the MRSA ATCC 43300, and the compounds with antimicrobial potential (<2000 μg ml–1) were tested for minimum bactericidal concentration (MBC). Based on this assay, compound 1 exhibited potent antimicrobial activity with MIC value of 250 μg ml–1. Meanwhile, co

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Ben-Fadhel, Yosra, Behnoush Maherani, Melinda Aragones, and Monique Lacroix. "Antimicrobial Properties of Encapsulated Antimicrobial Natural Plant Products for Ready-to-Eat Carrots." Foods 8, no. 11 (2019): 535. http://dx.doi.org/10.3390/foods8110535.

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The antimicrobial activity of natural antimicrobials (fruit extracts, essential oils and derivates), was assessed against six bacteria species (E. coli O157:H7, L. monocytogenes, S. Typhimurium, B. subtilis, E. faecium and S. aureus), two molds (A. flavus and P. chrysogenum) and a yeast (C. albicans) using disk diffusion method. Then, the antimicrobial compounds having high inhibitory capacity were evaluated for the determination of their minimum inhibitory, bactericidal and fungicidal concentration (MIC, MBC and MFC respectively). Total phenols and flavonoids content, radical scavenging activ

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Nikolovska-Nedelkoska, Daniela, Natalija Atanasova-Pancevska, Haris Amedi, et al. "Screening of antibacterial and antifungal activities of selected Macedonian wild mushrooms." Zbornik Matice srpske za prirodne nauke, no. 124 (2013): 333–40. http://dx.doi.org/10.2298/zmspn1324333n.

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Regarding the development of novel safe antimicrobials of natural origin, macrofungi became attractive for the researchers in the last decade. In this study, antimicrobial potential of methanolic extracts of six wild macromycetes (Boletus lupinus, Flammulina velutypes, Phellinus igniarius, Sarcodon imbricatus, Tricholoma aurantium, Xerocomus ichnusanus) was evaluated. In vitro antimicrobial activity was investigated by the microdilution method and minimum inhibitory concentration (MIC) was determined. Testing was conducted against eleven microorganisms, including six strains of bacteria and fi

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27

Prášek, Josef, Daniel Šperling, Dana Lobová, Jiří Smola, and Alois Čížek. "Antibiotic susceptibility of Brachyspira hyodysenteriae isolates from Czech swine farms: a 10-year follow-up study." Acta Veterinaria Brno 83, no. 1 (2014): 3–7. http://dx.doi.org/10.2754/avb201483010003.

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Brachyspira hyodysenteriae is the causative agent of swine dysentery. Loss of clinical efficacy of some antimicrobial agents authorized for treating swine dysentery was observed on certain Czech pig farms. The aim of the present study was to evaluate the antimicrobial sensitivity of six antibiotics using a set of 202 randomly selected B. hyodysenteriae isolates obtained from farms in the Czech Republic between years 1997 and 2006. Minimum inhibitory concentration of antibiotics tylosin, lincomycin, tylvalosin, chlortetracyclin, tiamulin and valnemulin were tested, using an agar dilution method

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28

Oikeh, E. I., F. E. Oviasogie, and E. S. Omoregie. "Evaluation of Antimicrobial Efficacy of Ethanol Extracts of Fresh Citrus sinensis (Sweet Orange) Seeds against Selected Bacterial Strains." Journal of Applied Sciences and Environmental Management 24, no. 2 (2020): 249–52. http://dx.doi.org/10.4314/jasem.v24i2.9.

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The antibacterial activities of fresh Citrus sinensis seed oil and non-oil extract are investigated in this study. Gram positive (Staphylococcus aureus and Enterococcus faecalis) and Gram negative (Pseudomonas aeruginosa, Escherichia coli and Salmonella spp.) bacterial strains are used in this study and antibacterial activity is estimated using the agar well diffusion method. Zones of inhibition were measured and the minimum inhibitory concentration and minimum bacteriostatic concentrations were determined. The results show that the non-oil extract had better antibacterial activities against S

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29

Mistry, Kunjal S., Zarna Sanghvi, Girish Parmar, and Samir Shah. "The antimicrobial activity of Azadirachta indica, Mimusops elengi, Tinospora cardifolia, Ocimum sanctum and 2% chlorhexidine gluconate on common endodontic pathogens: An in vitro study." European Journal of Dentistry 08, no. 02 (2014): 172–77. http://dx.doi.org/10.4103/1305-7456.130591.

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ABSTRACT Objective: To check the antimicrobial activity of Azadirachta indica (Neem), Ocimum sanctum (Tulsi), Mimusops elelngi (Bakul), Tinospora cardifolia (Giloy) and Chlorhexidine Gluconate (CHX) on common endodontic pathogens like Streptococcus mutans, Enterococcus faecalis and staphylococcus aureus. Materials and Methods: The agar diffusion test was used to check the antimicrobial activity of the Methanolic extracts of the medicinal plants along with CHX. Six different concentrations of the tested agents were used for the study. The values of Zone of Inhibition were tabulated according to

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30

Stepanenko, IS, SA Yamashkin, YuA Kostina, ED Slastnikov, and AA Batarsheva. "A study of the type of antimicrobial action of novel compounds synthesized from substituted benzaminoindoles." TARGETED ONCOTHERAPY, no. 2 (April 21, 2019): 57–64. http://dx.doi.org/10.24075/brsmu.2019.030.

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The antimicrobial activity of novel compounds is tested by determining the minimum inhibitory concentration of the agent in question and investigating a few other parameters, including the type of antimicrobial action the drug exhibits. The aim of this study was to determine the type of antimicrobial action of the compounds synthesized from the substituted benzaminoindoles. The strain of Staphylococcus aureus АТСС 6538-Р was briefly exposed to the compounds with laboratory codes 5D, 7D, HD, and S3. Bacterial growth was evaluated macroscopically under transmitted light. Additionally, photoelect

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Samieerad, Fatemeh, and Nematollah Gheibi. "Physicochemical and antimicrobial assessment of Iranian Propolis gathered in Qazvin province." Functional Foods in Health and Disease 10, no. 2 (2020): 82. http://dx.doi.org/10.31989/ffhd.v10i2.689.

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Background: Propolis is one of the useful bee colony products that have been used in traditional medicine for centuries. In this study, the physicochemical characters and their antibacterial effect of Iranian Propolis collected from Qazvin province was assessed.Methods: In this study, Thin Layer Chromatography and Vacuum Liquid Chromatography to detect different compounds of the extract have been used. In the initial evaluation of Propolis extract, it was found that the extract includes variable compounds with different polarity; so, the initial classification of extract with different polarit

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Fani, Mohammadmehdi, and Jamshid Kohanteb. "In Vitro Antimicrobial Activity of Thymus vulgaris Essential Oil Against Major Oral Pathogens." Journal of Evidence-Based Complementary & Alternative Medicine 22, no. 4 (2017): 660–66. http://dx.doi.org/10.1177/2156587217700772.

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The objective of present investigation was to determine antimicrobial activity of Thymus vulgaris oil on some oral pathogens. Thymus vulgaris oil was prepared by hydrodistillation and tested against 30 clinical isolates of each of Streptococcus pyogenes, Streptococcus mutans, Candida albicans, Porphyromonas gingivalis, and Aggregatibacter actinomycetemcomitans, prepared from related oral infections using agar disk diffusion and broth microdilution methods. Thymus vulgaris oil at concentrations of 16 to 256 μg/mL exhibited strong inhibitory activity on all clinical isolates producing inhibition

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Chojnacki, Michaelle, Xufeng Cao, Daniel P. Flaherty, and Paul M. Dunman. "Optimization of 2-Acylaminocycloalkylthiophene Derivatives for Activity against Staphylococcus aureus RnpA." Antibiotics 10, no. 4 (2021): 369. http://dx.doi.org/10.3390/antibiotics10040369.

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Staphylococcus aureus is well-recognized to cause debilitating bacterial infections that are difficult to treat due to the emergence of antibiotic resistance. As such, there is a need to develop new antimicrobials for the therapeutic intervention of S. aureus disease. To that end, S. aureus RnpA is an essential enzyme that is hypothesized to participate in two required cellular processes, precursor tRNA (ptRNA) maturation and mRNA degradation. Corresponding high throughput screening campaigns have identified the phenylcarbamoyl cyclic thiopenes as a chemical class of RnpA inhibitors that displ

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34

Bottinelli, Marco, Marianna Merenda, Michele Gastaldelli, et al. "The pathogen Mycoplasma dispar Shows High Minimum Inhibitory Concentrations for Antimicrobials Commonly Used for Bovine Respiratory Disease." Antibiotics 9, no. 8 (2020): 460. http://dx.doi.org/10.3390/antibiotics9080460.

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Mycoplasma dispar is an overlooked pathogen often involved in bovine respiratory disease (BRD), which affects cattle around the world. BRD results in lost production and high treatment and prevention costs. Additionally, chronic therapies with multiple antimicrobials may lead to antimicrobial resistance. Data on antimicrobial susceptibility to M. dispar is limited so minimum inhibitory concentrations (MIC) of a range of antimicrobials routinely used in BRD were evaluated using a broth microdilution technique for 41 M. dispar isolates collected in Italy between 2011–2019. While all isolates had

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35

Listorti, Valeria, Roberta Battistini, Carlo Ercolini, et al. "In Vitro Susceptibility of Multidrug Resistant Strains of Salmonella to Essential Oils." Natural Product Communications 15, no. 1 (2020): 1934578X1987890. http://dx.doi.org/10.1177/1934578x19878904.

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Antimicrobial resistance has become a global threat to public health. There is a critical need to find new antimicrobial substances from natural sources. The aim of this study was to investigate the antimicrobial activity of essential oils (EOs) obtained from Origanum vulgare, Thymus serpyllum, Thymus vulgaris, and Melaleuca alternifolia against multidrug resistant strains of Salmonella isolated from samples of diverse animal origin. The strains were biochemically identified, serotyped, and characterized for their antimicrobial resistance profiles. The antimicrobial activity of the EOs against

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Jassim Shalsh, Fawzia, Ahmed Mohammed Khalaf, Mohammed Hafiz, and Imad Ibrahim Ali. "Antibacterial Properties of Local Malaysian Trigona Sp. Honey Towards Different of Pathogenic Bacteria in Vitro." Diyala Agricultural Sciences Journal 13, no. 1 (2021): 1–9. http://dx.doi.org/10.52951/dasj.21130101.

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Honey is one of the oldest natural medicines known with a very high therapeutic value. Nowadays, in the medical field, several important therapeutic effects of honey have been elucidated. This study was conducted to reveal the antimicrobial activity of the commercially available local Malaysian Trigona sp. honey towards different pathogenic bacteria specifically Staphylococcus aureus, Streptococcus pyogenes, Escherichia coli, and Salmonella typhimurium. The Minimum inhibitory concentration and Minimum bactericidal concentration were determined by the disc-diffusion test and agar well diffusion

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Shao, Wen Yao, Xue Shan Pan, Quan Ling Xie, Shi Yi Luo, and Xiao Ting Liu. "Growth Inhibition Effect of Medicinal Herbs Extracts on Bacillus subtilis and Aspergillus oryzae." Materials Science Forum 873 (September 2016): 71–78. http://dx.doi.org/10.4028/www.scientific.net/msf.873.71.

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With tetracycline and anphotericin as control, using discdiffusion technique to determine the minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of extracts from 110 medicinal herbs, investigating their antimicrobial activities. Found that 3 medicinal herbs, Fructus mume, Rhizoma coptidis and Flos caryophyllata have great inhibitory effect on Bacillus subtilis but no obviously inhibitory effect on Aspergillus oryzae. It is evident that the extracts of Fructus mume, Rhizoma coptidis and Flos caryophyllata have antibacterial activities and are potential preservat

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Marcantonio, Ana Carolina, Guilherme Oliveira, Eloisa Boeck, Thalita Pilon, Adilson Bernardi, and Nadia Lunardi. "Evaluation of minimum inhibitory concentration and antimicrobial activity of basil extract (Ocimum basilicum L.) incorporated to the mouthwash." Journal of Research in Dentistry 2, no. 5 (2014): 409. http://dx.doi.org/10.19177/jrd.v2e52014409-417.

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AIM: This study has as aim to evaluate the minimum inhibitory concentration and the antimicrobial activity of basil extract incorporated to the mouthwash against the bacteria S.mutans. MATERIAL AND METHODS: For the study, the hydro alcoholic basil extract (Ocimum basilicum L.) incorporated to the mouthwash was used in order to evaluate the effect of this formulation on bacteria and its Minimum Inhibitory Concentration (MIC). As positive control, TBS + S. mutans was used; as negative control, only the TBS; the fluid hydro alcoholic basil extract 20% and the concentrated basil extract 12%, both

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Behzadi, Soheila Asadpour, Enayatollah Sheikhhosseini, Sayed Ali Ahmadi, Dadkhoda Ghazanfari, and Mohammadreza Akhgar. "Synthesis and characterization of novel biological tetracoumarin derivatives bearing ether moieties." Heterocyclic Communications 26, no. 1 (2020): 60–67. http://dx.doi.org/10.1515/hc-2020-0009.

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AbstractA series of novel tetracoumarin derivatives (3a-f) were prepared using the reaction of ether functionalized dibenzaldehyde with 4-hydroxycoumarin in the presence of sodium acetate. The structure of compounds was validated by IR, NMR, and CHN analyzes. Antimicrobial (antibacterial and antifungal) activity was studied on the basis of the minimum bactericidal concentration, minimum inhibitory concentration and inhibitory zone diameter. Favorable biological activity was found in compound 3f.

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Galovičová, Lucia, Veronika Valková, Jana Štefániková, and Miroslava Kačániová. "Essential oils and their application in a food model." Potravinarstvo Slovak Journal of Food Sciences 14 (November 28, 2020): 1088–96. http://dx.doi.org/10.5219/1490.

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The aim of the study was to investigate the chemical composition, antioxidant, and antimicrobial activity of essential oils (Canarium luzonicum CLEO, Melaleuca leucadenron MLEO, Amyris balsamifera ABEO). There was Gas chromatographic-mass spectrometric analysis used for the characteristic of the semiquantitative composition of the essential oils. The DPPH method was used to determine the antioxidant activity. Minimum inhibitory concentrations (MIC) of essential oils against Stenotrophomonas maltophilia were analyzed in a 96-well plate. The broth microdilution method was used for the minimal in

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Jaiswal, Bisekha, Laxmi Timalsina, Sushmita Karki, Sanjit Shrestha, and Surakshya Koirala. "Minimum Inhibitory Concentration of Tigecycline on Acinetobacter in Burn Patients." Journal of Nepal Health Research Council 18, no. 3 (2020): 431–35. http://dx.doi.org/10.33314/jnhrc.v18i3.2530.

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Background: Burn infection is a major cause of morbidity and mortality in spite of significant improvements in burn care and treatment. Pseudomonas aeruginosa, Acinetobacter spp., Staphylococcus aureus etc. are the commonest isolates in which rapid development of resistance to multiple drugs limits the therapeutic options for infections by Acinetobacter species. Hence, this study was done to find the occurrence of Acinetobacter and to determine the minimum inhibitory concentration of tigecycline against Acinetobacter isolates. Methods: This cross-sectional study was conducted in Phect-Ne

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Babatunde, A. M. Yusuf, L. S. Kasim, and Adegbite A. Ayoade. "Antimicrobial Study of Oil and Stem Bark Extracts of Pentaclethra Macrophylla Benth on Six Selected Pathogens." Malaysian Journal of Medical and Biological Research 3, no. 1 (2016): 7–10. http://dx.doi.org/10.18034/mjmbr.v3i1.399.

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The antimicrobial activity of oil and stem bark extracts of pentaclethra macrophylla benth was determined against staphylococcus aureus, streptococcus pneumonia, Eschericia coli, Haemophilus influenza, α-Haemolytic Streptococcus and Yeast, using hole diffusion method. The results revealed that the most inhibitory zone (25.0mm) was recorded in hexane oil extract against staphylococcus aureus and α-Haemolytic Streptococcus. The minimum inhibitory concentration (MIC) of the oil extract ranges between 7.8125-62.5mg/ml on all the test organisms and aqueous stem bark extract inhibited only Escherici

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Adham, Aveen. "Synergistic Effects between Mentha Piperita, Mentha Longifolia and Ocimum Basilicum on Different Bacterial Strains." International Journal of Chemistry 7, no. 2 (2015): 170. http://dx.doi.org/10.5539/ijc.v7n2p170.

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The present study aimed to quantitatively evaluate antimicrobial activity of Mentha piperita, Mentha longifolia and Ocimum basilicum from Lamiaceae family, compare between them and to evaluate the type of interaction between them by microbroth dilution method and calculation of fractional inhibitory concentration. Dried leave of Mentha piperita, Mentha longifolia and Ocimum basilicum were extracted using same extraction method and solvent the highest ratio yielded by Mentha longifolia 9% and lowest ratio yielded by Ocimum basilicum 6%. Mentha piperita exhibit the lowest minimum inhibitory conc

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Pełka, Karolina, Olga Otłowska, Randy W. Worobo, and Piotr Szweda. "Bee Bread Exhibits Higher Antimicrobial Potential Compared to Bee Pollen." Antibiotics 10, no. 2 (2021): 125. http://dx.doi.org/10.3390/antibiotics10020125.

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This study aimed at investigation of the antimicrobial potential of ethanolic extracts of bee bread (BB) and bee pollen (BP) and suspensions of these products in MHB (Mueller Hinton Broth). We covered 30 samples of BP and 19 samples of BB harvested in Polish apiaries. Slightly lower activity was observed against Gram-negative bacteria compared to Gram-positive staphylococci. BB extracts exhibited higher inhibitory potential with minimum inhibitory concentration (MIC) values in the range from 2.5 to 10% (v/v) against Staphylococcus aureus ATCC 25923 and ATCC 29213. Most active BB extracts, name

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Kačániová, Miroslava, Jana Žiarovská, Simona Kunová, et al. "Antimicrobial potential of different medicinal plants against food industry pathogens." Potravinarstvo Slovak Journal of Food Sciences 14 (July 28, 2020): 494–500. http://dx.doi.org/10.5219/1387.

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Work aimed to investigate the antimicrobial activity of medicinal plants against selected species of food industry pathogens in vitro conditions. The detection of antibacterial properties was examined by the disc diffusion method and the method of the minimum inhibitory concentrations (MIC). The cultivation of microorganisms after the 24 h was performed by disc diffusion method. Petri dishes have grown at 37 °C in which the Mueller - Hinton agar and application it to the sterile paper disc impregnated with the extract. The thickness of the resulting inhibition zone was measured with a ruler af

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Hsu, Kuo-Wei, Wen-Bin Lee, Huey-Ling You, Mel S. Lee, and Gwo-Bin Lee. "An automated and portable antimicrobial susceptibility testing system for urinary tract infections." Lab on a Chip 21, no. 4 (2021): 755–63. http://dx.doi.org/10.1039/d0lc01315c.

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A portable, integrated microfluidic system capable of automatically conducting antimicrobial susceptibility testing (AST) and minimum inhibitory concentration (MIC) measurements using urine samples were developed.

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Zharfan, Rahmat Sayyid, Priyo Budi Purwono, and Arifa Mustika. "ANTIMICROBIAL ACTIVITY OF PINEAPPLE (ANANAS COMOSUS L. MERR) EXTRACT AGAINST MULTIDRUG-RESISTANT OF PSEUDOMONAS AERUGINOSA: AN IN VITRO STUDY." Indonesian Journal of Tropical and Infectious Disease 6, no. 5 (2017): 118. http://dx.doi.org/10.20473/ijtid.v6i5.4159.

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Pseudomonas aeruginosa is the main cause of nosocomial infection which is responsible for 10% of hospital-acquired infection. Pseudomonas aeruginosa tends to mutate and displays potential for development of antibiotic resistance. Approximately, 10% of global bacterial isolates are found as Multidrug-resistant Pseudomonas aeruginosa. Pseudomonas aeruginosa have a quite tremendous severity index, especially on pneumonia and urinary tract infections, even sepsis, which 50% mortality rate. Pineapple (Ananas comosus L. Merr) has antimicrobial properties. The active antimicrobial compounds in Ananas

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OLASOJI, Kehinde O., Amos M. MAKINDE, Bolajoko A. AKINPELU, Oluwatoyin A. IGBENEGHU, and Musibau O. ISA. "Antimicrobial Activity of Selected Mosses on Obafemi Awolowo University Campus, Ile-Ife, Nigeria." Notulae Scientia Biologicae 11, no. 3 (2019): 462–66. http://dx.doi.org/10.15835/nsb11310439.

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The present study aimed to evaluate antimicrobial activity of ethanol, methanol, schnapp (40% alcohol), oil palm wine and Raffia palm wine extracts of moss species Archidium ohioense, Pelekium gratum and Hyophila involuta against Bacillus subtilis, Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Candida albicans and Candida pseudotropicalis. The antimicrobial activities of the alcoholic extracts were tested against selected microorganisms using agar well diffusion method. Minimum inhibitory concentrations (MIC) of the extracts were determined using standard methods. The antimi

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Nganso Ditchou, Yves Oscar, Désiré Soh, Ernestine Zondegoumba Nkwengoua Tchouboun, Emmanuella Marthe Tchana Satchet, Hamadou Mamoudou, and Barthélemy Nyassé. "Qualitative Analysis of Peptides and Biological Activities of Allexis cauliflora (Violaceae) Leaves." Journal of Natural Products and Resources 6, no. 1 (2020): 252–57. http://dx.doi.org/10.30799/jnpr.088.20060104.

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Allexis cauliflora is a Cameroonian medicinal plant belonging to the violaceae family. It is used in traditional medicine to treat fever, syphilis and malaria. The aim of this study is to screen the peptides from the leaves of Allexis cauliflora and assess their biological activities. Previous studies have demonstrated antimicrobial properties of this plant. These properties have been mainly attributed to phenolic compounds. However, other plant defense molecules, such as antimicrobial peptides, may be present. In this work, we studied peptide extracts from the leaves of Allexis cauliflora. Th

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Feng, Xing, Lei Wang, Mei Ling Tao, and Qing Zhou. "Studies on Antimicrobial Activity of Aqueous Extract of Maize Silk." Applied Mechanics and Materials 140 (November 2011): 426–30. http://dx.doi.org/10.4028/www.scientific.net/amm.140.426.

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Objective: To study antimicrobial activity of aqueous extract of maize silk. Methods: Choose Staphylococcus aureus, Pseudomonas aeruginosa, Bacillus cereus, Bacillus coli and Candida albicans as detected germs. Using methods of agar plated diffusions and tube continuous dilution to detect antimicrobial activity and minimum inhibitory concentration of aqueous extract of maize silk. Results:(1) Aqueous extract of maize silk has antimicrobial activity against bacteria such as Staphylococcus aureus and Bacillus subtilis, and the diameter of bacteriostatic circle is 17 and 28 millimeter; Candida al

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