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Rozprawy doktorskie na temat „Bacteria research”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 20 lutego 2023

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1

McGinley, Susan. "Working Together on Nitrogen-Fixing Bacteria." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 1993. http://hdl.handle.net/10150/622335.

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2

Han, Yeong-Hwan. "The microaerophilic nature of Wolinella recta, Wolinella curva, Bacteroides ureolyticus, and Bacteroides gracilis." Diss., Virginia Tech, 1991. http://hdl.handle.net/10919/39699.

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Broad relationships among bacteria can be identified by ribosomal RNA analysis, but the resulting groups may not be easily definable by phenotypic characteristics. This is exemplified by the genus <i>Campylobacter</i>, which consists of at least three separate groups that cannot be differentiated readily by phenotypic characteristics. Examination of the type strains of all Campylobacter species (except <i>Campylobacter pylori), Wolinella recta, Wolinella curva, Bacteroides ureolyticus</i>, and <i>Bacteroides gracilis</i> revealed that sheathed flagella occur only in species of rRNA group II (

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3

Mosteller, Tracy M. "Sanitizer efficacy towards attached bacteria." Thesis, Virginia Tech, 1991. http://hdl.handle.net/10919/45049.

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Pseudomonas fluorescens, Yersinia enterocolitica, and Listeria monocytogenes readily attach to both rubber and teflon surfaces. Once attached, a glycocalyx covering forms effectively protecting them from any sanitizer that passes over the surface. Therefore, sanitizers efficacy testing done in the laboratory with pure glycocalyx-free cultures could lead to false assumptions as to the sanitizer's true effectiveness under actual use conditions. Our objectives in this study were: (1) evaluate sanitizer efficacy of in use concentrations toward bacteria attached to gasket materials, (2) examine att

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4

Sislak, Christine Demko. "Novel Thermophilic Bacteria Isolated from Marine Hydrothermal Vents." PDXScholar, 2013. https://pdxscholar.library.pdx.edu/open_access_etds/1486.

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As part of a large study aimed at searching for patterns of diversity in the genus Persephonella along the north to south geochemical gradient of the ELSC, ten novel strains of Alphaproteobacteria were isolated unexpectedly. Using defined media under microaerophilic conditions to enrich for Persephonella from chimney samples collected at the seven vent fields on the ELSC and the dilution to extinction by serial dilution method to purify cultures, a total of ten strains belonging to the Alphaproteobacteria were isolated. Two of these isolates, designate MN-5 and TC-2 were chosen for further cha

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5

Strobel, Philip Scott. "Inhibition of iron-oxidizing bacteria in wastes from coal and hard-rock mines using the anti-bacterial agent." Thesis, Virginia Tech, 1990. http://hdl.handle.net/10919/42234.

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The production of acid mine drainage (AMD) is catalyzed by iron-oxidizing bacteria primarily of the species Thiobacillus ferrooxidans. By inhibiting these bacteria, the production of AMD can be greatly reduced. One compound found to be effective in the inhibition of T. ferrooxidans is nitrapyrine. N-Serve, a product of Dow Chemical, Inc., is the commercially available form of nitrapyrine. This compound has been widely used in agriculture for nitrification inhibition. The purpose of this study was to determine the effectiveness of N-Serve in reducing the production of AMD under simulated field

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6

McGinley, Susan. "Clostridium perfringens: New Ways to Type Strains of a Deadly Bacteria." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 1999. http://hdl.handle.net/10150/622290.

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7

Klinke, Stefan. "Production of bioplastic in recombinant bacteria : from basic research to application /." [S.l.] : [s.n.], 1999. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=13448.

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8

Gaspar-Rolle, Maria Nelma Pinto. "Attachment of bacteria to teflon and buna-n-rubber gasket materials." Diss., Virginia Tech, 1991. http://hdl.handle.net/10919/39818.

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Surface analysis of buna-N-rubber and teflon was performed. Scanning electron microscopy was used to analyze the topography of both materials and x-ray microanalysis identified the elemental chemical composition of the polymers. Teflon was primarily a smooth surface with random irregular spots, while buna-N-rubber had a very rough topography with "caverns" and crevices spread over the surface. The x-ray microanalysis showed that there are no impurities on the surface of teflon; however, calcium, silicone and sulfur were present on the surface of buna-N-rubber. Water contact angle measurements

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9

Talwalkar, Akshat, University of Western Sydney, of Science Technology and Environment College, and of Science Food and Horticulture School. "Studies on the oxygen toxicity of probiotic bacteria with reference to Lactobacillus acidophilus and Bifidobacterium spp." THESIS_CSTE_SFH_Talwalkar_A.xml, 2003. http://handle.uws.edu.au:8081/1959.7/629.

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Oxygen toxicity is considered significant in the poor survival of probiotic bacteria such as Lactobacillus acidophilus and Bifidobacterium spp. in yoghurts. This study investigated methods to protect these bacteria from oxygen exposure. To confirm the accuracy of the reported survival estimates of L. acidophilus or Bifidobacterium spp. in yoghurts, the reliability of several enumeration media was evaluated with different commercial yoghurts. None of the media however, was found reliable thereby casting doubts on the reported cell numbers of probiotic bacteria in yoghurts. After much research,i

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10

Mathias, Elizabeth. "Exopolysaccharides of the Pseudomonas aeruginosa Biofilm Matrix." Ohio University Honors Tutorial College / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ouhonors1400069245.

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11

Bernhardt, Anne, Markus Wehrl, Birgit Paul, Thomas Hochmuth, Matthias Schumacher, Kathleen Schütz, and Michael Gelinsky. "Improved Sterilization of Sensitive Biomaterials with Supercritical Carbon Dioxide at Low Temperature: Research Article." Public Library of Science, 2015. https://tud.qucosa.de/id/qucosa%3A29150.

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The development of bio-resorbable implant materials is rapidly going on. Sterilization of those materials is inevitable to assure the hygienic requirements for critical medical devices according to the medical device directive (MDD, 93/42/EG). Biopolymer-containing biomaterials are often highly sensitive towards classical sterilization procedures like steam, ethylene oxide treatment or gamma irradiation. Supercritical CO2 (scCO2) treatment is a promising strategy for the terminal sterilization of sensitive biomaterials at low temperature. In combination with low amounts of additives scCO2 trea

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12

Talwalkar, Akshat. "Studies on the oxygen toxicity of probiotic bacteria with reference to Lactobacillus acidophilus and Bifidobacterium spp." Thesis, View thesis, 2003. http://handle.uws.edu.au:8081/1959.7/629.

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Oxygen toxicity is considered significant in the poor survival of probiotic bacteria such as Lactobacillus acidophilus and Bifidobacterium spp. in yoghurts. This study investigated methods to protect these bacteria from oxygen exposure. To confirm the accuracy of the reported survival estimates of L. acidophilus or Bifidobacterium spp. in yoghurts, the reliability of several enumeration media was evaluated with different commercial yoghurts. None of the media however, was found reliable thereby casting doubts on the reported cell numbers of probiotic bacteria in yoghurts. After much research,i

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13

Phan, Due Thanh, and Thi Cuc Nguyen. "Study on culture conditions of several strains of toluene-degrading bacteria isolated from common ornamental houseplants: Research article." Technische Universität Dresden, 2014. https://tud.qucosa.de/id/qucosa%3A29097.

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This article studies the impact of some environmental conditions and the nutrition of culturing medium on the growth of bacteria and theirs capacity of toluene removal. The 5 bacterial strains isolated from leaf samples of three different common houseplants in Vietnam are Gram-negative, rod-shaped bacteria. The cells are single or arranged in chains. The cell size is relatively small and ranged from 0.7 to 2.5μm. These bacteria prefer the incubating temperature from 28°C to 32°C and a neutral pH 6.5 to 7.5. They are able to assimilate different nitrogen and carbon sources. In the liquid SH1 me

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14

Lekganyane, Maleho Annastasia. "Isolation and characterization of antibacterial compounds from five selected plants used against bacteria which infects wounds." Thesis, University of Limpopo, 2015. http://hdl.handle.net/10386/1259.

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Thesis (M.Sc. (Microbiology)) --University of Limpopo, 2015<br>Five plant species: Ziziphus mucronata, Senna italica, Lantana camara, Ricinus communis and Lippia javanica, were selected for this study based on their use in traditional medicine. In preliminary screening, crude extracts were prepared using hexane, dichloromethane (dcm), acetone and methanol. Phytochemical profiles on Thin Layer Chromatography plates of the extracts were obtained by developing the plates in mobile phases of varying polarity. Tests for compounds such as tannins, flavonoids, alkaloids, phlobatannins, terpenes, ster

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15

Klima, Cassidy L., and University of Lethbridge Faculty of Arts and Science. "Characterization of the genetic diversity and antimicrobial resistance in Mannheimia haemolytica from feedlot cattle." Thesis, Lethbridge, Alta. : University of Lethbridge, Dept. of Biological Sciences, c2009, 2009. http://hdl.handle.net/10133/2517.

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Mannheimia haemolytica is an opportunistic pathogen in cattle and the main bacterial agent in bovine respiratory disease. Despite its economic importance, few studies have characterized the genetic diversity of M. haemolytica, particularly from feedlots. Three genotyping techniques (BOX-PCR, (GTG)5-PCR and PFGE) were compared to discriminate M. haemolytica and strains from the family Pasteurellaceae. PFGE was the most discriminating and repeatable, although BOX-PCR was most accurate in clustering isolates together according to species. Mannheimia haemolytica was isolated from nasal swab sample

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16

Walz, Paul S. "Influence of pathogenic bacterial determinants on genome stability of exposed intestinal cells and of distal liver and spleen cells." Thesis, Lethbridge, Alta. : University of Lethbridge, Dept. of Biology, c2011, 2011. http://hdl.handle.net/10133/3405.

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Most bacterial infections can be correlated to contamination of consumables such as food and water. Upon contamination, boil water advisories have been ordered to ensure water is safe to consume, despite the evidence that heat-killed bacteria can induce genomic instability of exposed (intestine) and distal cells (liver and spleen). We hypothesize that exposure to components of heat-killed Escherichia coli O157:H7 will induce genomic instability within animal cells directly and indirectly exposed to these determinants. Mice were exposed to various components of dead bacteria such as DNA, RNA, p

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17

Milbrandt, Eric Charles. "Microbial ecology of South Slough sediments : community composition of bacteria and patterns of occurrence." Thesis, Thesis (Ph. D.)--University of Oregon, 2003, 2003. http://hdl.handle.net/1794/9965.

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18

OCAÑA, DE JESUS ROSA LAURA 543020, and DE JESUS ROSA LAURA OCAÑA. "Penetración y permanencia de Escherichia coli y Salmonella en plantas y frutos de tomate (Licopersicum sculentum Mill)." Tesis de doctorado, Universidad Autónoma del Estado de México, 2018. http://hdl.handle.net/20.500.11799/68749.

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Se evaluó la capacidad de E. coli y Salmonella serovar Enteritidis de penetrar, permanecer y moverse en plantas y frutos de tomate.<br>La presencia de bacterias patógenas, como Escherichia coli y Salmonella, afecta la calidad e inocuidad de las hortalizas que se consumen en fresco y se relaciona con graves problemas de salud. El tomate procedente de México es una de las hortalizas que ha presentado alertas sanitarias por la presencia de enteropatógenos. El objetivo del presente estudio fue detectar la presencia de Escherichia coli y Salmonella en cinco localidades del Estado de México, así com

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19

Kim, Jeffrey. "Antimicrobial Use and Resistance in Zoonotic Bacteria Recovered from Nonhuman Primates." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1460912847.

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20

Miller, Craig William, University of Western Sydney, of Science Technology and Environment College, and of Science Food and Horticulture School. "A study of packaging methods to reduce the dissolved oxygen content in probiotic yoghurt." THESIS_CSTE_SFH_Miller_C.xml, 2003. http://handle.uws.edu.au:8081/1959.7/633.

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Probiotic bacteria are added to commercial yoghurts as adjunct cultures, to impart health benefits to consumers. To gain maximum therapeutic benefit, the bacteria must remain viable over the shelf life of the yoghurt. Studies have shown, however, that the viability of these bacteria decreases significantly over this period and in some products, is negligible prior to the expiry date. Some strains of probiotic bacteria are oxygen sensitive. Yoghurt has been found to contain a significant concentration of dissolved oxygen and it has been proposed that this has a negative effect on probiotic viab

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21

Matlola, Nthane Martha. "The in vitro anti-mycobacterial activities of the novel tetramethylpiperidyl-substituted phenazines, B4121 and B4128." Thesis, University of Pretoria, 1999. http://hdl.handle.net/2263/24462.

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The intra- and extracellular activities of 2 novel tetramethylpiperidine (TMP)-substituted phenazines, B4121 and B4128 against Mycobacterium tuberculosis H37R (ATCC 27294) were determined and compared with those of clofazimine (B663). Clofazimine, together with B4121 and B4128, were also tested for their activities against drug-resistant strains of M.tuberculosis. Both B4121 and B4128 were significantly more active than clofazimine against M.tuberculosis, including multidrug-resistant clinical strains of this microbial pathogen, demonstrating a lack of cross resistance between the riminophenaz

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22

Hardison, Rachael Lake. "Haemophilus pathogenesis during otitis media: Influence of nutritional immunity on bacterial persistence and intracellular lifestyles." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1540483623343597.

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23

Jankovic, Dragana. "Direct selection and phage display of the Lactobacillus rhamnosus HN001 secretome : a thesis presented to Massey University in partial fulfillment of the requirements for the degree of Doctor of Philosophy." Massey University, 2008. http://hdl.handle.net/10179/869.

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Bacteria communicate with their hosts in part via surface, secreted and transmembrane proteins (collectively the secretome) resulting in probiotic (beneficial) or pathogenic (harmful) outcomes to the host. Therapeutic benefits of probiotic bacteria have been shown previously, but the molecular mechanisms and the health-promoting effector components involved are still being elucidated. Some evidence suggests that probiotic bacteria can competitively adhere to intestinal mucus and displace pathogens. The adherence of probiotic bacteria to human intestinal mucus and cells appears to be mediated,

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24

Nguyen, Thi Thanh Tra, and Van Duy Nguyen. "Biodiversity of major bacterial groups in association with agarwood (Aquilaria crassna) in Khanh Hoa province, Vietnam: Research article." Technische Universität Dresden, 2014. https://tud.qucosa.de/id/qucosa%3A29083.

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Agarwood mainly formed by Aquilaria species is an economically and pharmaceutically important natural product used for the production of incense, perfumes and traditional medicines in Asia. Endophytic bacteria are potentially important in producing pharmaceutical compounds found in the plants. The aim of this research is to isolate, classify and identify major endophytic bacteria groups associated with agarwood of Aquilaria crassna species in Khanh Hoa province, Vietnam. Agarwood samples were collected and surface-sterilized, and total endophytic bacteria were isolated on Tryptic Soy Agar by t

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25

Miller, Craig William. "A study of packaging methods to reduce the dissolved oxygen content in probiotic yoghurt." Thesis, View thesis, 2003. http://handle.uws.edu.au:8081/1959.7/633.

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Probiotic bacteria are added to commercial yoghurts as adjunct cultures, to impart health benefits to consumers. To gain maximum therapeutic benefit, the bacteria must remain viable over the shelf life of the yoghurt. Studies have shown, however, that the viability of these bacteria decreases significantly over this period and in some products, is negligible prior to the expiry date. Some strains of probiotic bacteria are oxygen sensitive. Yoghurt has been found to contain a significant concentration of dissolved oxygen and it has been proposed that this has a negative effect on probiotic viab

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26

Liu, Yunhao. "Structural and biochemical analysis of HutD from Pseudomonas fluorescens SBW25 : a thesis submitted in fulfilment of the requirements for the degree of Master of Science in Molecular Biosciences at Massey University, Auckland, New Zealand." Massey University, 2009. http://hdl.handle.net/10179/1074.

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Pseudomonas fluorescens SBW25 is a gram-negative soil bacterium capable of growing on histidine as the sole source of carbon and nitrogen. Expression of histidine utilization (hut) genes is controlled by the HutC repressor with urocanate, the first intermediate of the histidine degradation pathway, as the direct inducer. Recent genome sequencing of P. fluorescens SBW25 revealed the presence of hutD in the hut locus, which encodes a highly conserved hypothetical protein. Previous genetic analysis showed that hutD is involved in hut regulation, in such a way that it prevents overproduction of th

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27

Dore, Dalin Shelley. "Grapevine rhizosphere bacteria : influence of diversity and function on two root diseases : a thesis submitted in fulfilment of the requirements for the degree of Master of Science at Lincoln University /." Diss., Lincoln University, 2009. http://hdl.handle.net/10182/1305.

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The overall goal of this research was to determine what, if any, role grapevine rhizosphere bacteria play in the differing susceptibilities of New Zealand grown rootstocks to Cylindrocarpon black foot disease. The size and diversity of bacterial populations associated with the rhizospheres of grapevine rootstocks: 101-14, 5C, Schwarzmann and Riparia Gloire were evaluated. Dilution plating showed that total bacterial (P=0.012, P=0.005 for NA and KB, respectively) and fluorescent Pseudomonad (P=0.035) rhizosphere counts differed between rhizosphere and bulk soils but did not correlate with the d

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28

Paquette, Nicholas Paul. "Caspase Mediated Cleavage, IAP Binding, Ubiquitination and Kinase Activation : Defining the Molecular Mechanisms Required for Drosophila NF-кB Signaling: A Dissertation". eScholarship@UMMS, 2009. https://escholarship.umassmed.edu/gsbs_diss/444.

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Innate immunity is the first line of defense against invading pathogens. Vertebrate innate immunity provides both initial protection, and activates adaptive immune responses, including memory. As a result, the study of innate immune signaling is crucial for understanding the interactions between host and pathogen. Unlike mammals, the insect Drosophila melanogasterlack classical adaptive immunity, relying on innate immune signaling via the Toll and IMD pathways to detect and respond to invading pathogens. Once activated these pathways lead to the rapid and robust production of a variety of anti

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29

Noyes, Marcus Blaine. "An Omega-Based Bacterial One-Hybrid System for the Determination of Transcription Factor Specificity." eScholarship@UMMS, 2009. https://escholarship.umassmed.edu/gsbs_diss/407.

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From the yeast genome completed in 1996 to the 12 Drosophilagenomes published earlier this year; little more than a decade has provided an incredible amount of genomic data. Yet even with this mountain of genetic information the regulatory networks that control gene expression remain relatively undefined. In part, this is due to the enormous amount of non-coding DNA, over 98% of the human genome, which needs to be made sense of. It is also due to the large number of transcription factors, potentially 2,000 such factors in the human genome, which may contribute to any given network directly or

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30

Babatunde, Oluwaseun Oyeniyi. "Exploring the potential of Rhodobacter sphaeroides in photodynamic therapy of tumors." Bowling Green State University / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1624793446693196.

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Babatunde, Oluwaseun Oyeniyi. "Exploring the potential of Rhodobacter sphaeroides in photodynamic therapy of tumors." Bowling Green State University / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1624793446693196.

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32

Gammack, Graham F. "Bacterial attachment and activity in oligotrophic environments." Thesis, Heriot-Watt University, 1988. http://hdl.handle.net/10399/991.

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Gavanescu, Irina Catrinel. "Autoantibodies to Centrosomes are Diagnostic for Human Scleroderma and Can Be Induced by Experimental Mycoplasma Infection in Mice: A Dissertation." eScholarship@UMMS, 2002. https://escholarship.umassmed.edu/gsbs_diss/76.

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The overall objective of this thesis work was to develop new insights into the etiology of scleroderma, a human systemic autoimmune disease, by analyzing the autoantibodies to centrosome antigens that develop during the disease. Centrosomes are perinuclear organelles that form microtubule arrays, including mitotic spindles that ensure the faithful segregation of chromosomes during mitosis. These studies used a novel methodology to determine the prevalence of anti-centrosome autoantibodies in patients with scleroderma. Recombinant centrosome antigens were used to determine the antigenic specifi

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34

McGinley, Susan. "Detecting Bacterial Pathogens in Oysters: Program Targets Campylobacter and Salmonella." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2001. http://hdl.handle.net/10150/622254.

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McGinley, Susan. "Better Parasitic Wasps for Biological Control: Bacterial Symbionts Make a Difference." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2006. http://hdl.handle.net/10150/622173.

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Li, Dan. "Novel Protein Materials based on Bacterial Efflux Pumps." University of Cincinnati / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1304692634.

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Kim, Yeojung. "The Role of Hyaluronan in Innate Host Defense against Bacterial Infection." Case Western Reserve University School of Graduate Studies / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=case1499340461710323.

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Mallick, Emily M. "A New Murine Model For Enterohemorrhagic Escherichia coli Infection Reveals That Actin Pedestal Formation Facilitates Mucosal Colonization and Lethal Disease: A Dissertation." eScholarship@UMMS, 2012. https://escholarship.umassmed.edu/gsbs_diss/601.

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Enterohemorrhagic Escherichia coli (EHEC) colonizes the intestine and produces the phage-encoded Shiga toxin (Stx) which is absorbed systemically and can lead to hemolytic uremic syndrome (HUS) characterized by hemolytic anemia, thrombocytopenia, and renal failure. EHEC, and two related pathogens, Enteropathogenic E. coli (EPEC), and the murine pathogen, Citrobacter rodentium, are attaching and effacing (AE) pathogens that intimately adhere to enterocytes and form actin “pedestals” beneath bound bacteria. The actin pedestal, because it is a unique characteristic of AE pathogens, has been the s

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39

Scott, B. B. "Identification and functional evaluation of cross-reactive antibodies to Gram-negative bacterial endotoxin in a blood donor population." Thesis, Open University, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.383285.

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40

Kapadia, Jaimin Maheshbhai. "DNA transfer in the soil bacterium Rhodococcus." Digital Commons @ East Tennessee State University, 2020. https://dc.etsu.edu/honors/565.

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Gene transfer plays an important role in bacterial evolution. Especially in an under explored species like Rhodococcus, a type of bacteria found in the soil. Rhodococcus has several applications in the pharmaceutical industry and in the production of antibiotics. Rhodococcus possess several unique sets of properties which makes it beneficial to have a reliable method of producing mutants of Rhodococcus. The goal of the experiment was to find an efficient way of forming Rhodococcus colonies with kanamycin resistant genes. The project began from an unexpected observation from an earlier experime

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41

Echeverría, Medina Mayra Fernanda. "Anti-staphylococcal properties of four plant extracts against sensitive and multi-resistant bacterial strains isolated from cattle and rabbits." Tesis de Licenciatura, Universidad Autonoma del Estado de México, 2018. http://hdl.handle.net/20.500.11799/95124.

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The aim of this study is to investigate the biopotency of methanolic extracts of Vitex mollis, Psidium guajava, Dalbergia retusa, and Crescential alata leaves against various staphylococcal strains isolated from cattle and rabbits. Methicillin-resistant S. aureus strains were isolated from cattle, while other strains were isolated from rabbits using standard methodology. The total phytochemical phenolic and saponins contents were obtained being the main groups of the antinutritional factors. The antimicrobial activity of the extracts against the standard culture of S. aureus (control) and

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42

Toporski, Jan. "The preservation and detection of morphological and molecular bacterial biomarkers and their implications for astrobiological research." Thesis, University of Portsmouth, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.369436.

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43

Selenska-Pobell, Sonja, and Heino Nitsche. "Bacterial-Metal/Radionuclide Interaction: Basic Research and Bioremediation-Extendet Abstracts, Eurokonference, Forschungszentrum Rossendorf, December 2-4, 1998: Bacterial-Metal/Radionuclide Interaction: Basic Research and Bioremediation-Extendet Abstracts, Eurokonference, Forschungszentrum Rossendorf, December 2-4, 1998." Forschungszentrum Rossendorf, 1999. https://hzdr.qucosa.de/id/qucosa%3A21880.

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Múfalo, Bruno Corrêa. "Avaliação da resposta imune de anticorpos contra proteínas recombinantes derivadas do Antígeno 1 de Membrana Aplical (AMA-1) de Plasmodium vivax em indivíduos de áreas endêmicas de malária do Brasil." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/9/9136/tde-26112013-100904/.

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O Antígeno 1 de Membrana Apical (AMA-1) de Plasmodium sp tem sido sugerido como candidato a compor uma vacina contra a malária. No presente estudo geramos cinco proteínas recombinantes baseadas em diferentes regiões do ectodomínio de AMA-1 de Plasmodium vivax, o qual compreende os domínios I a III, com intuito de mapear regiões particularmente imunogênicas da proteína. Cada uma das cinco proteínas recombinantes foi expressa em Eschericha coli a partir do vetor pET-28a em fusão com a cauda de histidina e purificadas por cromatografia de afinidade. As diferentes proteínas recombinantes foram com

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Surujon, Defne. "Computational approaches in infectious disease research: Towards improved diagnostic methods." Thesis, Boston College, 2020. http://hdl.handle.net/2345/bc-ir:109089.

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Thesis advisor: Kenneth Williams<br>Due to overuse and misuse of antibiotics, the global threat of antibiotic resistance is a growing crisis. Three critical issues surrounding antibiotic resistance are the lack of rapid testing, treatment failure, and evolution of resistance. However, with new technology facilitating data collection and powerful statistical learning advances, our understanding of the bacterial stress response to antibiotics is rapidly expanding. With a recent influx of omics data, it has become possible to develop powerful computational methods that make the best use of growin

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Conesa, Agustín. "Detección de enterotoxinas en especies Staphylococcus coagulasa negativos aislados de muestras de leche bovina." Master's thesis, Conesa A. Detección de enterotoxinas en especies Staphylococcus coagulasa negativos aislados de muestras de leche bovina [Internet]. Universidad Nacional de Córdoba, 2018 [citado el 10 de marzo de 2020]. Disponible en: https://rdu.unc.edu.ar/handle/11086/15019, 2018. http://hdl.handle.net/11086/15019.

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Tesis - Maestría en Salud Pública - Universidad Nacional de Córdoba. Facultad de Ciencias Médicas. Escuela de Salud Pública, 2018<br>Due to the potential danger to the public health posed by staphylococcal thermostable enterotoxins in dairy products, the need arose to investigate the potential ability to produce these toxins by different coagulase negative Staphylococcus species (CNS) isolated in bovine milk. These bacteria, which are becoming increasingly involved in herd infections, produce several virulence factors, including enterotoxins, and biofilm forming, which contributes to their per

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Rho, Jung-hyun. "A novel mucin-desulfating sulfate-6-N-acetylglucosaminidase (sulfoglycosidase) from the anaerobic colonic bacterium Prevotella strain RS2." Thesis, University of Auckland, 2004. http://hdl.handle.net/2292/2275.

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Sulfate removal from sulfomucin is believed to be a rate-limiting step in sulfomucin degradation by bacteria from the digestive tract. A novel sulfomucin-desulfating enzyme has been discovered in the anaerobic bacterium, Prevotella strain RS2, which can grow on colonic mucin as its sole energy source. The enzyme, located in the periplasm, was assayed by measuring p-nitrophenol removal from the model substrate sulfate-6-N-acetylglucosamine-1-p-nitrophenol, sulfate-6-N-acetylglucosamine being the other product. This activity differs from that of sulfatases which remove the sulfate ester group fr

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Selenska-Pobell, Sonja, and Heino Nitsche. "Bacterial-Metal/Radionuclide Interaction: Basic Research and Bioremediation-Extendet Abstracts, Eurokonference, Forschungszentrum Rossendorf, December 2-4, 1998." Forschungszentrum Dresden, 2010. http://nbn-resolving.de/urn:nbn:de:bsz:d120-qucosa-30535.

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Campbell, Regenia Beth Phillips. "Arrested and Aberrant: Effects of Amoxicillin in a Murine Model of Chlamydial Infection." Digital Commons @ East Tennessee State University, 2013. https://dc.etsu.edu/etd/2269.

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Chlamydia trachomatis is the most common sexually transmitted bacterial disease agent worldwide, and, though frequently asymptomatic, can cause extreme pathology including infertility. Chlamydial species exhibit a unique biphasic developmental cycle. Once attached to a cell surface, infectious elementary bodies (EB) are internalized within an inclusion, the membrane-bound structure in which EB transform to noninfectious, replicable reticulate bodies (RB). After multiple rounds of division, RB condense to form EB, which are released and can infect new host cells. In culture, exposure to stresso

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Yuan, Lihui. "Quorum sensing regulated gene expression in Porphyromonas gingivalis." [Gainesville, Fla.] : University of Florida, 2005. http://purl.fcla.edu/fcla/etd/UFE0010043.

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Thesis (Ph.D.)--University of Florida, 2005.<br>Typescript. Title from title page of source document. Document formatted into pages; contains 134 pages. Includes Vita. Includes bibliographical references.

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