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Dissertations / Theses on the topic 'Bacteria'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Chen, Fei [Verfasser]. "Light-controlled bacteria-surface and bacteria-bacteria adhesions / Fei Chen." Mainz : Universitätsbibliothek der Johannes Gutenberg-Universität Mainz, 2020. http://d-nb.info/1224895649/34.

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2

de, Klerk Nele. "Host-bacteria interactions : Host cell responses and bacterial pathogenesis." Doctoral thesis, Stockholms universitet, Institutionen för molekylär biovetenskap, Wenner-Grens institut, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-126425.

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Helicobacter pylori colonizes the human stomach, where it causes gastritis that may develop into peptic ulcer disease or cancer when left untreated. Neisseria gonorrhoeae colonizes the urogenital tract and causes the sexually transmitted disease gonorrhea. In contrast, Lactobacillus species are part of the human microbiota, which is the resident microbial community, and are considered to be beneficial for health. The first host cell types that bacteria encounter when they enter the body are epithelial cells, which form the border between the inside and the outside, and macrophages, which are i

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3

Maldonado, Vázquez Jesús Manuel. "Interferometric biosensors for rapid identification of nosocomial infections." Doctoral thesis, Universitat Autònoma de Barcelona, 2017. http://hdl.handle.net/10803/403761.

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Esta tesis doctoral se centra en el desarrollo de un nuevo biosensor óptico como una técnica alternativa para la identificación de infecciones nosocomiales con el fin de determinar el tratamiento más eficaz y reducir el uso inespecífico de fármacos antimicrobianos de amplio espectro. Proponemos el uso de un nuevo sensor nanofótonico basado en un dispositivo interferométrico, el biosensor de guías de onda bimodales (BiMW) para un análisis rápido, específico, directo y altamente sensible de los diferentes patógenos asociados a infecciones nosocomiales y su resistencia a múltiples fármacos. En

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4

Lawlor, Kirsten. "Distribution of bacteria and bacterial plasmids in lake water sediments." Thesis, University of Liverpool, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.240596.

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5

Habeeb, Fatema. "Bacteria-cytokines interactions : effect of normal bacterial flora of pathogenic bacteria on pro-inflammatory cytokines production in human blood." Thesis, University of Strathclyde, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.501921.

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6

Kim, Min Jun. "Bacterial flows : mixing and pumping in microfluidic systems using flagellated bacteria /." View online version; access limited to Brown University users, 2005. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:3174627.

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7

Wood, Ryan. "Bacteria in Blood: Optimized Recovery of Bacterial DNA for Rapid Identification." BYU ScholarsArchive, 2020. https://scholarsarchive.byu.edu/etd/8147.

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Blood stream infections are challenging infections to rapidly diagnose. The current clinical diagnostic methods for blood stream infections require culturing the blood sample prior to identifying the bacteria and any resistance the bacteria may contain. Removing the culturing step from the bacterial identification process of a blood stream infection provides a significant reduction in the processing time. However, eliminating the culturing step shifts the difficulty from processing time to concentration, since clinical concentration levels can be as low as 10 CFU/mL in blood. This dissertation

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8

Adebayo, Olajumoke O. "Evaluation of bacterial polymers as protective agents for sensitive probiotic bacteria." Thesis, University of Wolverhampton, 2018. http://hdl.handle.net/2436/621096.

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Probiotics are live microorganisms which when administered in adequate amounts confer one or more health benefits on the host. Different processing conditions, the acidic condition of the stomach and exposure to hydrolytic enzymes affect the viability and efficacy of probiotic organisms. This study investigated the protective effects of two biopolymers poly-gamma-glutamic acid (γ-PGA) and bacterial cellulose (BC) on probiotics during freeze drying and during exposure to simulated intestinal juices and bile salts. The antibacterial property of Bifidobacterium strains was also investigated again

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9

Hughes, Roxana Bejarano. "Distribution of a Novel Gram Negative, Capsule-Forming Bacterium." Thesis, University of North Texas, 1997. https://digital.library.unt.edu/ark:/67531/metadc500729/.

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A novel Gram negative, capsule-forming bacterium was previously isolated in Dr. G. Roland Vela's laboratory. The distribution of this bacterium in soils from various locations was investigated. Soil samples from 188 locations around the world were examined. Isolates of the bacterium were obtained from 50 of these soils, with 48 of the isolates found in soils from the southwestern United States and northern Mexico. This suggests that this region is the natural habitat of the bacterium. The other two isolates were obtained from Madrid, Spain and Taipei, Taiwan. None were found in soils from Sou

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10

Song, Yanqing. "Microfluidic devices for bacteria study and bacteria-based sensing." Thesis, University of Glasgow, 2017. http://theses.gla.ac.uk/8577/.

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Environmental pollutants pose great risks and adverse effects to humans and therefore arouse global environmental concern. Bacterial sensors capable of assessing the bioavailability and toxicity of pollutants show great advantages in environmental sensing. This project aims at developing a bioluminescent bacteria-based microfluidic sensor for online monitoring of environmental contaminants and toxicity. Microfluidic devices immobilised with Acinetobacter sp. ADP1_lux cells as a model strain have been developed for quantitative bioassays. Three microfluidic devices were developed and tested in

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11

Bergström, Niklas. "Structural studies of bacterial carbohydrate antigens with focus on oral commensal bacteria /." Stockholm : Karolinska institutets bibl, 2002. http://diss.kib.ki.se/2002/91-7349-236-1.

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12

Ghalsasi, Vihang Vivek [Verfasser], and Victor [Akademischer Betreuer] Sourjik. "Engineering bacteria to disperse bacterial biofilms / Vihang Vivek Ghalsasi ; Betreuer: Victor Sourjik." Heidelberg : Universitätsbibliothek Heidelberg, 2015. http://d-nb.info/1180608275/34.

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13

Deveci, Haci. "Bacterial leaching of complex zinc/lead sulphides using mesophilic and thermophilic bacteria." Thesis, University of Exeter, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.341175.

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14

Ghalsasi, Vihang Vivek Verfasser], and Victor [Akademischer Betreuer] [Sourjik. "Engineering bacteria to disperse bacterial biofilms / Vihang Vivek Ghalsasi ; Betreuer: Victor Sourjik." Heidelberg : Universitätsbibliothek Heidelberg, 2015. http://d-nb.info/1180608275/34.

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15

Rodriguez, Luis A. (Luis Antonio). "Adenylate Energy Charge Determinations of Soil Bacteria Grown in Soil Extract Medium." Thesis, University of North Texas, 1988. https://digital.library.unt.edu/ark:/67531/metadc500662/.

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The adenylate energy charge values of twenty bacteria isolated from soil and cultured in a medium consisting of soil and distilled water were determined by the luciferin-luciferase bioluminescense method. The purpose of this study was to examine the growth and energy charge values of these organisms in soil extract medium, and to determine what effect the addition of glucose has on their energy charge values. Three of the organisms employed in this study showed energy charge values similar to those reported for bacteria grown in enriched media. The remainder of the isolates demonstrated low en

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16

Moyà, Anderico Laura. "Deciphering the utility of Galleria mellonella as an infection and toxicity in vivo model." Doctoral thesis, Universitat de Barcelona, 2021. http://hdl.handle.net/10803/671803.

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Galleria mellonella (greater wax moth) is a popular animal model that has been extensively used as an alternative in vivo model for investigating the virulence and pathogenicity of different bacteria. G. mellonella has also been shown to be a suitable model for studying the efficacy and toxicity of various compounds. Recently, this model has been gaining popularity as the larvae are conveniently sized for manipulation, they do not need constant feeding, they are inexpensive to purchase and to breed, they do not require much space or special infrastructure, they present a low biohazard risk, an

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17

Thongmee, Acharawan. "Isolation and Characterization of a New Capsule-Forming Bacterium." Thesis, University of North Texas, 1999. https://digital.library.unt.edu/ark:/67531/metadc500460/.

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A unique, previously undescribed Gram-negative bacterium was isolated from several soils in Texas and extensively characterized in this study. The cells measured 1-2 by 4-6 μm. The distinguishing characteristic of the bacterium is the extraordinary capsular material which surrounds the cells. The new isolates are aerobic, mesophilic, non motile and have the ability to utilize a variety of organic compounds as the sole source of carbon and energy. The organism grows optimally at 30° C and the optimal pH lies between 7.0-8.0. The isolates produce catalase but oxidase is not produced. They do not

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18

Reeves, Adam J. "Signaling and interaction of the Bacillus subtilis physical stress pathway regulators of sigma B : a dissertation /." San Antonio : UTHSC, 2007. http://proquest.umi.com/pqdweb?did=1390290691&sid=1&Fmt=2&clientId=70986&RQT=309&VName=PQD.

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19

Château, Maarten de. "Functional, structural and evolutionary studies on a family of bacterial surface proteins." Lund : Dept. of Cell and Molecular Biology, Lund University, 1996. http://catalog.hathitrust.org/api/volumes/oclc/38947242.html.

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20

Budiharjo, Anto. "Plant-bacteria interactions." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2011. http://dx.doi.org/10.18452/16333.

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Bacillus amyloliquenaciense FZB42 ist ein bekanntes Pflanzenwachstum-stimulierendes Rhizobakterium. Es produziert neben einer Vielzahl an Sekundärmetaboliten mit antibakterieller und antifungaler Wirkung, auch das Pflanzenhormon IAA. Obwohl viele dieser Mechanismen diskutiert werden, ist wenig darüber bekannt, auf welche Weise die Bakterien das Pflanzenwachstum fördern. In dieser Arbeit wurde eine Transposonmutagenese mithilfe des ‘mariner-transposons’ durchgeführt, und so eine Transposonbibliothek erstellt. Diese wurde dann auf geeignete Phänotypen untersucht, um die Gene zu finden, welche be

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21

Longford, Sharon Rae Faculty of Science UNSW. "The ecology of epiphytic bacteria on the marine red alga Delisea pulchra." Awarded by:University of New South Wales, 2007. http://handle.unsw.edu.au/1959.4/36783.

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Bacteria are ubiquitous to marine living surfaces, taking on a broad spectrum of roles from mutualistic to pathogenic. Despite their universality, much remains unknown about their basic ecology and interactions with higher organisms. To address this gap, this thesis firstly examines the bacterial communities associated with three co-occurring marine eukaryote hosts from temperate Australia: the demosponge Cymbastela concentrica, the subtidal red macroalga Delisea pulchra and the intertidal green macroalga Ulva australis. Molecular characterisation of the bacterial communities was undertaken us

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22

Jones, Nicole Jean. "NITRIFYING BACTERIAL ABUNDANCE IN RELATION TO NITROGEN AND PHOSPHORUS COMPOUNDS IN WETLANDS." OpenSIUC, 2012. https://opensiuc.lib.siu.edu/theses/829.

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Floodplain lakes are wetlands which receive flood waters from nearby rivers or other sources. Water samples were taken from floodplain lakes near the Illinois River, the Mississippi River, and the Cache River in Southern Illinois. Fluorescence in situ hybridization (FISH), spectrophotometry, and gene probes were used to investigate the effect of nutrient and chemical concentrations on the abundance of nitrifying bacteria; specifically ammonia-oxidizing Nitrosococcus and Nitrosomonadales and nitrite-oxidizing Nitrospira and Nitrobacter. Nitrosococcus was the dominant ammonia-oxidizing bacteria

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23

Omer, Zahra Saad. "Bacterial-plant associations with special focus on pink-pigmented facultative mehtylotrophic bacteria (PPFMs) /." Uppsala : Dept. of Plant Pathology and Biocontrol Unit, Swedish Univ. of Agricultural Sciences, 2004. http://epsilon.slu.se/a456-ab.html.

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24

Staley, Zachery. "Direct and Indirect Effects of Agrochemicals on Bacterial Pathogens and Fecal Indicator Bacteria." Scholar Commons, 2013. http://scholarcommons.usf.edu/etd/4584.

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The presence of agrochemical residues in both urban and agricultural water bodies has become ubiquitous, often producing deleterious effects in the impacted watershed including reductions in biodiversity, alterations in species interactions, and toxicity to non-target organisms. While these effects have been studied on metazoan consumers, the consequences of agrochemical contamination on microorganisms, such as bacteria, protozoa, and viruses, are poorly understood. Agrochemicals could act directly on microorganisms, including pathogens, by either facilitating their survival or decreasing th

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25

Sabeti, Azad Mahnaz. "Accumulation of a bactericidal antibiotic by tolerant bacteria and insights into bacterial persistence." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS585.

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Les aminoglycosides (AG) sont une famille d’antibiotiques qui ciblent le ribosome bactérien. À titre d’exemple il s’agit de la néomycine, la gentamicine et la streptomycine. Quand ces antibiotiques se fixent au ribosome, ils provoquent des erreurs de lectures ou inhibent la synthèse des protéines, ce qui conduit à la mort cellulaire. Même s’ils ont été découverts il y a plus d’un demi-siècle, de nombreux aspects de leur mode d’action restent inconnus. L’accumulation des AG dans les bactéries se passe en trois étapes. La première consiste en une interaction électrostatique avec la membrane. La

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26

Dixit, Sameer M. "Antagonistic activity of probiotic bacteria based on bacterial diversity in the porcine gut." Thesis, View thesis, 2004. http://handle.uws.edu.au:8081/1959.7/35614.

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Diversity analysis of Escherichia coli have routinely utilised isolates obtained by culture of faeces on MacConkey selective media, under the assumption that the diversity identified in faecal isolates are representative of similar diversity in E. coli in the gastrointestinal tract (GIT). This study has addressed this important issue by specifically isolating E. coli from different regions of the gut in pigs and subjecting them to enzymatic multilocus enzyme electrophoresis (MLEE) and molecular virulence factor (VF) analysis to ascertain whether E. coli populations inhabiting different regions

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Dixit, Sameer M. "Antagonistic activity of probiotic bacteria based on bacterial diversity in the porcine gut." View thesis, 2004. http://handle.uws.edu.au:8081/1959.7/35614.

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Thesis (Ph.D.)--University of Western Sydney, Hawkesbury, 2004.<br>A thesis presented to the University of Western Sydney, Hawkesbury, Centre for Advanced Food Research, in fulfilment of the requirements for the degree of Doctor of Philosophy. Includes bibliographies.

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28

Long, Richard A. "Bacteria-bacteria antagonism on marine organic particles and its biogeochemical implications /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2001. http://wwwlib.umi.com/cr/ucsd/fullcit?p3035420.

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29

Silva, Avalos Juan G. (Juan Guillermo). "Isolation, Characterization and Physiological Studies of Cyanide-Utilizing Bacteria." Thesis, University of North Texas, 1991. https://digital.library.unt.edu/ark:/67531/metadc278291/.

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Ten bacteria capable of growth on the metal-cyano complex, tetracyanonickelate (II) {K2 [Ni(CN)J } (TCN), supplied as the sole nitrogen source, were isolated. Seven isolates were identified as pseudomonads while the remaining three were classified as Klebsiella species. In addition to TCN, all isolates were able to utilize KCN although it was significantly more toxic. The degradation of TCN was most complete when supplied at growth-limiting concentrations, did not occur when ammonia was present, and resulted in the formation of nickel cyanide [Ni(CN)2] as a degradation product.

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30

Gaviria, Cantín Tania Cristina. "Factores Gre de Salmonella enterica serovar Typhimurium, su papel en el control de la filosofía y patogenicidad." Doctoral thesis, Universitat de Barcelona, 2016. http://hdl.handle.net/10803/397788.

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El género Salmonella, está compuesto de bacterias Gram-negativas, no esporuladas, en forma de bacilo. Salmonella tiene importante relevancia a nivel de salud pública ya que es uno de los principales patógenos entéricos tanto en países desarrollados como en vías de desarrollo. En los casos de gastroenteritis notificados en España, Salmonella se posiciona en segundo lugar, después de Campylobacter. En este trabajo se utilizó como organismo modelo de estudio S. enterica serovar Typhimurium (S. Typhimurium), que en humanos causa salmonelosis, gastroenteritis caracterizada por diarrea inflamatoria,

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31

Kassotaki, Elissavet. "Elimination of micropollutants in conventional and novel nitrogen removal processes. A comparative assessment of diverse microbial communities capabilities." Doctoral thesis, Universitat de Girona, 2018. http://hdl.handle.net/10803/664342.

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Pharmaceutically active compounds (PhACs) and endocrine disrupting compounds (EDCs) can pose a significant risk to the environment and human health, undermining prosperity. Current wastewater treatment plants (WWTPs) cannot efficiently act as barriers to their release and have been identified as main points of discharge and contamination. The present thesis aimed to investigate the fate of five PhACs (ibuprofen, sulfamethoxazole, metoprolol, carbamazepine and venlafaxine) and five EDCs (estrone, 17β-estradiol, estriol, 17α-ethinylestradiol and bisphenol A) in different systems simulating waste

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32

Singh, Umadatt. "The adherence properties of Bacteroides gingivalis." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/31013.

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A Bacteroides gingivalis adhesin mediating attachment to red blood cells and buccal epithelial cells was isolated, cloned and characterized. The isolation procedure involved gentle stirring of the cells followed by ammonium sulphate precipitation, ion-exchange and gel chromatography. The native molecule had a Mr in excess of 10⁶ kDa and was made up of subunits with an Mr of 43 kDa. Antisera raised to the adhesin and its subunits reacted with antigens on the surface of B. gingivalis cells. No reaction with fimbriae was seen. The IgG fractions from these antisera inhibited the adherence of B. gi

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33

Vetter, Yves-Alain. "Bacterial foraging with cell-free enzymes /." Thesis, Connect to this title online; UW restricted, 1998. http://hdl.handle.net/1773/11033.

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34

Okuklu, Burcu Güneş Hatice. "Investigation of chromosomal and plasmid dna profiles of lactococcus lactics ssp. lactis/." [s.l.]: [s.n.], 2005. http://library.iyte.edu.tr/tezler/master/biyoloji/T000396.pdf.

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Thesis (Master)--İzmir Institute of Technology, İzmir, 2005<br>Keywords: Lactococcus lactis ssp. lactis, chromosome profiling, pulsed field gel electrophoresis, plasmid profiling, plasmid stability. Includes bibliographical references (leaves 58-63)

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35

Davidson, Seana Kelyn. "Biology of the bryostatins in the marine bryozoan Bugula neritina : symbiosis, cryptic speciation and chemical defense /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 1999. http://wwwlib.umi.com/cr/ucsd/fullcit?p3035405.

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36

Sadeghi, Abbas. "Development of a Semi-synthetic Medium Supporting Adherent Growth in Coagulase-Negative Staphylococci." PDXScholar, 1992. https://pdxscholar.library.pdx.edu/open_access_etds/13.

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A semi-synthetic medium for use in determining adherent growth with Staphylococcus epidermidis and Staphylococcus saprophyticus was developed. Production of an adherent biofilm was dependent upon the presence of hematin in the growth medium. Clinical strains of Staphylococcus epidermidis were tested for production of an adherent biofilm in trypticase soy broth, the semi-synthetic medium and the hyperalimentary nutrient solution used in the neonatal hospital unit. An adherent biofilm was obtained when Staphylococcus epidermidis was cultured m hematin supplemented hyperalimentary solution. Growt

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37

Walkden, Heidi. "Bacterial infection of the brain: how bacteria penetrate the CNS by invading peripheral nerves." Thesis, Griffith University, 2020. http://hdl.handle.net/10072/395110.

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Bacterial infections of the central nervous system (CNS), though uncommon, are associated with very high rates of morbidity and mortality. Recent research has also highlighted the correlation between pathogens and chronic diseases of the CNS, such as neurodegenerative disorders, particularly Alzheimer’s disease. Whilst some bacteria can cross the blood-brain/blood-cerebrospinal fluid barriers, to date, other pathways by which bacteria enter the CNS remain largely unknown. Identifying alternative paths by which pathogens can enter the CNS is thus important for developing novel strategies preven

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38

Ansari, M. Azim. "Inference of recombination properties in bacteria from whole genomes." Thesis, University of Oxford, 2014. https://ora.ox.ac.uk/objects/uuid:b830a37a-fa7e-4b68-9868-fc5c629d45f5.

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The concept of species in bacteria is a matter of contention. The current definition is based on DNA-DNA hybridisation and does not account for evolutionary forces that are important in demarcating species. In this thesis we investigate two evolutionary forces that are important in speciation in bacteria, propose novel statistical models for them and infer parameters of interest. We present the first attempt at inferring the bias in the recombination process from whole bacterial genomes. Despite empirical evidence that recombination is biased and theoretical results that this bias is important

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39

Genís, Pagès Sandra. "Use of lactic acid bacteria as a preventive strategy against metritis in dairy cows." Doctoral thesis, Universitat Autònoma de Barcelona, 2016. http://hdl.handle.net/10803/399509.

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Aproximadament el 40% de les vaques lleteres desenvolupen una malaltia uterina durant el post-part que acaba provocant infertilitat. Alguns estudis indiquen que la infecció uterina, causada principalment per Escherichia coli durant la primera setmana post-part, està associada amb la metritis, caracteritzada per la inflamació de l’úter on la vaca és incapaç d’eliminar els bacteris patògens. El tractament antibacterià tradicional que s’utilitza per contrarestar la metritis pot no ser efectiu en tots els casos, sobretot quan hi ha una inflamació prolongada. El primer estudi està enfocat en ava

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40

Viklund, Johan. "Phylogenomics of Oceanic Bacteria." Doctoral thesis, Uppsala universitet, Molekylär evolution, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-208441.

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The focus of this thesis has been the phylogenomics and evolution of the Alphaproteobacteria. This is a very diverse group which encompasses bacteria from intraceullar parasites, such as the Rickettsiales, to freeliving bacteria such as the most abundant bacteria on earth, the SAR11. The genome sizes of the Alphaproteobacteria range between 1 Mb and 10 Mb. This group is also connected to the origin of the mitochondria. Several studies have placed the SAR11 clade together with the Rickettsiales and mitochon- dria. Here I have shown that this placement is an artifact of compositional heterogenei

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41

Li, Qing. "BACTERIA IN BIOETHANOL FERMENTATIONS." UKnowledge, 2014. http://uknowledge.uky.edu/pss_etds/52.

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To gain a better understanding of contaminating bacteria in bioethanol industry, we profiled the bacterial community structure in corn-based bioethanol fermentations and evaluated its correlation to environmental variables. Twenty-three batches of corn-mash sample were collected from six bioethanol facilities. The V4 region of the collective bacterial 16S rRNA genes was analyzed by Illumina Miseq sequencing to investigate the bacterial community structure. Non-metric multidimensional scaling (NMDS) ordination plots were constructed to visualize bacterial community structure groupings among dif

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42

Mao, Xuegang. "Magnetotactic bacteria in sediment." Diss., Ludwig-Maximilians-Universität München, 2013. http://nbn-resolving.de/urn:nbn:de:bvb:19-169912.

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43

Goddard, P. A. "Metal accumulation in bacteria." Thesis, Cardiff University, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.373881.

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44

Browne, M. "Carotenoid biosynthesis in bacteria." Thesis, University of Liverpool, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.372685.

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45

Moosvi, Syeda Azra. "Methylotrophic bacteria from Antarctica." Thesis, King's College London (University of London), 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.406055.

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46

Hong, Vu Anh. "Bacteria mediated heat sinks." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/59931.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2010.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 55).<br>Many applications, such as laser diode technology, utilize components (eg. resistors) which have performance characteristics heavily dependent on temperature, and therefore, maintaining constant temperature is essential in order to eliminate drift in device efficiency. Constant temperature controllers, however, can often be complicated and only stay within a certain range of a set temperature. If temperature nee

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Marcos, Ph D. Massachusetts Institute of Technology. "Bacteria in shear flow." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/65278.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2011.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 68-74).<br>Bacteria are ubiquitous and play a critical role in many contexts. Their environment is nearly always dynamic due to the prevalence of fluid flow: creeping flow in soil, highly sheared flow in bodily conduits, and turbulent flow in rivers, streams, lakes, and oceans, as well as anthropogenic habitats such as bioreactors, heat exchangers and water supply systems. The presence of flow not only affects how bac

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Lyutenko, M., and M. V. Miroshnichenko. "Bacteria in our lives." Thesis, Sumy State University, 2014. http://essuir.sumdu.edu.ua/handle/123456789/45351.

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Bacteria are an integral part of our lives. They don’t only surround us externally, but also live inside us. Most people think that the bacteria are harmful micro-organisms, but they are wrong. Along with the pathogenicity, they play an important role in ensuring the normal functioning of our body. Microbial colonies found on or in the body are normally benign or beneficial. Bacteria are the basis of the normal microflora of many systems, especially of the digestive tract. These microbial colonies carry out a series of helpful and necessary functions, such as aiding in digestion. They also pro

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Cooley, Natalie Ann. "Organophosphonate metabolism in bacteria." Thesis, Queen's University Belfast, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.517259.

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Palmer, Stephen. "Cadmium biosorption by bacteria." Thesis, University of Bath, 1988. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.233027.

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