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Дисертації з теми "Bacterial classification"

Автор: Grafiati

Опубліковано: 7 червня 2025

Оновлено: 2 серпня 2025

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1

Chun, Jongsik. "Computer assisted classification and identification of actinomycetes." Thesis, University of Newcastle Upon Tyne, 1995. http://hdl.handle.net/10443/410.

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Three computer software packages were written in the C++ language for the analysis of numerical phenetic, 16S rRNA sequence and pyrolysis mass spectrometric data. The X program, which provides routines for editing binary data, for calculating test error, for estimating cluster overlap and for selecting diagnostic and selective tests, was evaluated using phenotypic data held on streptomycetes. The AL16S program has routines for editing 16S rRNA sequences, for determining secondary structure, for finding signature nucleotides and for comparative sequence analysis; it was used to analyse 16S rRNA

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2

Mattinson-Rose, A. D. "Classification of amycolate wall chemotype IV actinomycetes." Thesis, University of Newcastle Upon Tyne, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.374849.

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3

Schmidt, Juliane, Ren Wei, Thorsten Oeser, et al. "Degradation of Polyester Polyurethane by Bacterial Polyester Hydrolases." Universität Leipzig, 2017. https://ul.qucosa.de/id/qucosa%3A21100.

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Polyurethanes (PU) are widely used synthetic polymers. The growing amount of PU used industrially has resulted in a worldwide increase of plastic wastes. The related environmental pollution as well as the limited availability of the raw materials based on petrochemicals requires novel solutions for their efficient degradation and recycling. The degradation of the polyester PU Impranil DLN by the polyester hydrolases LC cutinase (LCC), TfCut2, Tcur1278 and Tcur0390 was analyzed using a turbidimetric assay. The highest hydrolysis rates were obtained with TfCut2 and Tcur0390. TfCut2 also showed a

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4

Arumugam, Senthil. "Reconstitution of bacterial cytokinesis: the Z-ring." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-99045.

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Prokaryotic cell division is one of the most fundamental processes in biology, but the dynamics and mechanics are far from being understood. In many bacteria, FtsZ, a tubulin homologue assembles into a ring-like structure – Z-ring at precisely the middle of the cell. This accurate site selection is dependent on the Min proteins. Min D and MinE self-organise into waves in vitro, and oscillate pole to pole in vivo. MinC is thought to couple the Min oscillations to FtsZ by direct interaction. The mechanism of inhibitory action of MinC on FtsZ assembly is not known. Critical to the understanding o

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5

Gibson, Kathryn Elizabeth. "Neorickettsia spp.: Molecular Classification of a Vector and Roles of Bacterial Surface Proteins in Pathogenesis." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1300901970.

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6

Desai, Gargi Sharad. "Deep Learning for Classification of COVID-19 Pneumonia, Bacterial Pneumonia, Viral Pneumonia and Normal Lungs on CT Images." University of Cincinnati / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1627662447914953.

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7

Tian, Long. "Tackling the current limitations of bacterial taxonomy with genome-based classification and identification on a crowdsourcing Web service." Diss., Virginia Tech, 2019. http://hdl.handle.net/10919/103055.

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Bacterial taxonomy is the science of classifying, naming, and identifying bacteria. The scope and practice of taxonomy has evolved through history with our understanding of life and our growing and changing needs in research, medicine, and industry. As in animal and plant taxonomy, the species is the fundamental unit of taxonomy, but the genetic and phenotypic diversity that exists within a single bacterial species is substantially higher compared to animal or plant species. Therefore, the current "type"-centered classification scheme that describes a species based on a single type strain is n

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8

Paul, Sabu. "Bacterial total maximum daily load (TMDL): development and evaluation of a new classification scheme for impaired waterbodies of Texas." Diss., Texas A&M University, 2003. http://hdl.handle.net/1969.1/1514.

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Under the Clean Water Act (CWA) program the Texas Commission on Environmental Quality (TCEQ) listed 110 stream segments with pathogenic bacteria impairment in 2000. The current study was conducted to characterize the watersheds associated with the impaired waterbodies. The main characteristics considered for the classification of waterbodies were designated use of the waterbody, land use distribution, density of stream network, average distance of a land of a particular use to the closest stream, household population, density of on-site sewage facilities (OSSF), bacterial loading due to the

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9

Zoghlami, Manel. "Multiple instance learning for sequence data : Application on bacterial ionizing radiation resistance prediction." Thesis, Université Clermont Auvergne‎ (2017-2020), 2019. http://www.theses.fr/2019CLFAC078.

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Dans l’apprentissage multi-instances (MI) pour les séquences, les données d’apprentissage consistent en un ensemble de sacs où chaque sac contient un ensemble d’instances/séquences. Dans certaines applications du monde réel, comme la bioinformatique, comparer un couple aléatoire de séquences n’a aucun sens. En fait, chaque instance de chaque sac peut avoir une relation structurelle et/ou fonctionnelle avec d’autres instances dans d’autres sacs. Ainsi, la tâche de classification doit prendre en compte la relation entre les instances sémantiquement liées à travers les sacs. Dans cette thèse, nou

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10

Helbig, Ralf, Denise Günther, Jens Friedrichs, Florian Rößler, Andrés Lasagni, and Carsten Werner. "The impact of structure dimensions on initial bacterial adhesion." Royal Society of Chemistry, 2016. https://tud.qucosa.de/id/qucosa%3A35958.

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Substrate topography can have profound effects on initial bacterial adhesion during biofilm formation. We applied Staphylococcus epidermidis and Escherichia coli cells onto periodically structured substrates with different structure dimensions, structure types and wetting properties. We found a strong dependence of cell retention on the structure dimensions of the applied substrates. Periodicities in the range of the cell size increased, whereas smaller periodicities decreased cell retention, independent of contact time (minutes to hours) and hydrophobicity. These novel insights on the role of

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11

Findeiß, Sven. "Expanding the repertoire of bacterial (non-)coding RNAs." Doctoral thesis, Universitätsbibliothek Leipzig, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-67816.

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The detection of non-protein-coding RNA (ncRNA) genes in bacteria and their diverse regulatory mode of action moved the experimental and bio-computational analysis of ncRNAs into the focus of attention. Regulatory ncRNA transcripts are not translated to proteins but function directly on the RNA level. These typically small RNAs have been found to be involved in diverse processes such as (post-)transcriptional regulation and modification, translation, protein translocation, protein degradation and sequestration. Bacterial ncRNAs either arise from independent primary transcripts or their mature

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12

Guenther, Denise, Jaoine Valle, Saioa Burgui, et al. "Direct laser interference patterning for decreased bacterial attachment." SPIE, 2016. https://tud.qucosa.de/id/qucosa%3A34805.

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In the past 15 years, many efforts were made to create functionalized artificial surfaces showing special anti-bacterial and anti-biofouling properties. Thereby, the topography of medical relevant materials plays an important role. However, the targeted fabrication of promising surface structures like hole-, lamella- and pyramid-like patterns with feature sizes in the sub-micrometer range in a one-step process is still a challenge. Optical and e-beam lithography, molding and selfassembly layers show a great potential to design topographies for this purpose. At the same time, most of these tech

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13

Nguyen, Thi Hien Trang, Thi Thao Nguyen, Thanh Hoang Le, et al. "Screening bacterial strains for production of maltooligosyl trehalose trehalohydrolase and maltooligosyl trehalose synthase." Technische Universität Dresden, 2018. https://tud.qucosa.de/id/qucosa%3A32711.

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Maltooligosyl trehalose synthase (MTSase, EC 5.4.99.15) catalyzes the synthesis of maltooligosyl trehalose by converting the of α (1 → 4) glucosidic linkages on the reducing ends of maltooligosaccharides to α (1 →1) glucosidic linkages. Maltooligosyl trehalose trehalohydrolase (MTHase, EC 3.2.1.141) catalyzes the release of trehalose by cleaving the α-1.4-glucosidic linkage next to the α-1.1-linked terminal disaccharide of maltooligosyl trehalose. Trehalose was synthesized from starch by the cooperative action of these two enzymes. Trehalose is of great interest in many industrial fields. Unti

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14

Lübbert, Christoph, Karolin Wendt, Jürgen Feisthammel, et al. "Epidemiology and resistance patterns of bacterial and fungal colonization of biliary plastic stents." Universitätsbibliothek Leipzig, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-205919.

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Background: Plastic stents used for the treatment of biliary obstruction will become occluded over time due to microbial colonization and formation of biofilms. Treatment of stent-associated cholangitis is often not effective because of inappropriate use of antimicrobial agents or antimicrobial resistance. We aimed to assess the current bacterial and fungal etiology of stentassociated biofilms, with particular emphasis on antimicrobial resistance. Methods: Patients with biliary strictures requiring endoscopic stent placement were prospectively enrolled. After the retrieval of stents, biofilms

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15

Hartmann, Susan. "An immersion freezing study of mineral dust and bacterial ice nucleating particles." Doctoral thesis, Universitätsbibliothek Leipzig, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-172542.

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Ice formation largely influences the properties of clouds and hence it has an important impact on weather and climate. Primary ice formation is a consequence of either homogeneous or heterogeneous ice nucleation. The latter process is catalyzed by a foreign substance called Ice Nucleating Particle (INP). Mineral dust particles were found to contribute to atmospheric INPs. Most types of mineral dust are ice active below -20 °C. In contrast, atmospheric observations indicate that immersion freezing as one of the most important heterogeneous ice nucleation processes can occur at temperatures high

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16

Dinh, Thi Kim Nhung, and Thi Kim Ngoan Nguyen. "Influences of some ecological factors on bacterial cellulose (BC) membrane forming process in Spirulina medium." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-227850.

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Formed by a kind of bacteria called Gluconacetobacter, bacterial cellulose (biocellulose, BC) membrane, compared to cellulose from plants, has superior properties for the strength, toughness, durability and elasticity. The subjects of this study are bacteria being able to produce Bacterial cellulose in Spirulina medium. The study aims to investigate the influences of some ecological factors on the Bacterial cellulose membrane forming process in Spirulina medium, and then find out appropriate nutritional media and conditions for the fermentation in Bacterial cellulose forming process. The study

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17

Walmsley, Tara Aisling. "An investigation into the bacterial diversity associated with South African latrunculid sponges that produce bioactive secondary metabolites." Thesis, Rhodes University, 2014. http://hdl.handle.net/10962/d1012943.

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Algoa Bay Latrunculid sponges are well known for their production of cytotoxic pyrroloiminoquinones with speculation that these secondary metabolites may have a microbial origin. This study describes a thorough investigation into the bacterial community associated with Tsitsikamma favus, Tsitsikamma scurra a newly described Latrunculia sp. and a yellow encrusting sponge associated with T. scurra. Molecular and chemical characterisation were used in conjunction with traditional taxonomy in identification of the sponge specimens. The 28S rRNA and COX1 analysis confirmed the traditional taxonomy

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18

Waldmann, Jost [Verfasser], Frank Oliver [Akademischer Betreuer] Glöckner, Peter [Akademischer Betreuer] Baumann, Hanno [Akademischer Betreuer] Teeling, and Christian [Akademischer Betreuer] Jogler. "Reliable taxonomic classification of metagenome fragments from varying marine bacterial communities / Jost Waldmann. Betreuer: Frank Oliver Glöckner. Gutachter: Frank Oliver Glöckner ; Peter Baumann ; Hanno Teeling ; Christian Jogler." Bremen : IRC-Library, Information Resource Center der Jacobs University Bremen, 2016. http://d-nb.info/1098532783/34.

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19

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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20

Wozel, Gottfried, Katharina Blümlein, Christian Blasum, Bodo Lehmann, and C. Winter. "Comments on: ‘Preventive Effect of Dapsone on Renal Scarring following Mannose-Sensitive Piliated Bacterial Infection’ by Mochida et al. (Chemotherapy 1998;44:36–41): Comments on: ‘Preventive Effect of Dapsone on Renal Scarring following Mannose-Sensitive Piliated Bacterial Infection’ by Mochida et al. (Chemotherapy 1998;44:36–41)." Karger, 1999. https://tud.qucosa.de/id/qucosa%3A27505.

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21

Franz, Paul, Heike Betat, and Mario Mörl. "Genotyping bacterial and fungal pathogens using sequence variation in the gene for the CCA-adding enzyme." Universitätsbibliothek Leipzig, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-204790.

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Background: To allow an immediate treatment of an infection with suitable antibiotics and bactericides or fungicides, there is an urgent need for fast and precise identification of the causative human pathogens. Methods based on DNA sequence comparison like 16S rRNA analysis have become standard tools for pathogen verification. However, the distinction of closely related organisms remains a challenging task. To overcome such limitations, we identified a new genomic target sequence located in the single copy gene for tRNA nucleotidyltransferase fulfilling the requirements for a ubiquitous, yet

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22

Leijonhufvud, Peder, and Emil Bråkenhielm. "Image Processing for Improved Bacteria Classification." Thesis, Linköpings universitet, Programvara och system, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-167416.

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Mastitis is a common disease among cows in dairy farms. Diagnosis of the infection is today done manually, by analyzing bacteria growth on agar plates. However, classifiers are being developed for automated diagnostics using images of agar plates. Input images need to be of reasonable quality and consistent in terms of scale, positioning, perspective, and rotation for accurate classification. Therefore, this thesis investigates if a combination of image processing techniques can be used to match each input image to a pre-defined reference model. A method was proposed to identify important key

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23

Lübbert, Christoph, Lisa Zimmermann, Julia Borchert, Bernd Hörner, Reinier Mutters, and Arne C. Rodloff. "Epidemiology and recurrence rates of Clostridium difficile infections in Germany." Universitätsbibliothek Leipzig, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-213878.

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Clostridium difficile infection (CDI) is the most common cause of health-care-associated infectious diarrhea. Recurrence rates are as high as 20–30% after standard treatment with metronidazole or vancomycin, and appear to be reduced for patients treated with fidaxomicin. According to the literature, the risk of CDI recurrence increases after the second relapse to 30–65%. Accurate data for Germany are not yet available. Methods: Based on the research database of arvato health analytics (Munich, Germany), a secondary data analysis for the incidence, treatment characteristics and course of CDI wa

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24

Hannig, C., A. Gaeding, S. Basche, G. Richter, R. Helbig, and M. Hannig. "Effect of Conventional Mouthrinses on Initial Bioadhesion to Enamel and Dentin in situ." Karger, 2013. https://tud.qucosa.de/id/qucosa%3A71426.

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Aim: The study aimed to investigate the effect of a customary fluoride solution, containing sodium fluoride and amine fluoride, on initial biofilm formation on enamel and dentin in situ compared directly to chlorhexidine. Methods: Bovine enamel and dentin specimens were mounted on maxillary splints carried by 9 subjects. After 1 min of pellicle formation, rinses with tap water (control), chlorhexidine (meridol med CHX 0.2%, GABA) and a fluoride mouthrinse (elmex, GABA) were performed for 1 min. Subsequently, the slabs were carried for another 8 h. The adherent bacteria were determined by DAPI

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25

Nielsen, Preben. "Characterization and classification of alkaliphilic spore-forming aerobic bacteria." Thesis, Heriot-Watt University, 1994. http://hdl.handle.net/10399/1338.

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26

Almasoud, Nagla. "Rapid classification and differentiation of bacteria by analytical techniques." Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/rapid-classification-and-differentiation-of-bacteria-by-analytical-techniques(fae59630-ef83-47fe-a81b-ccd2f57e3e9e).html.

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Several traditional methods have been used to characterise bacteria, such as biochemical, morphological and molecular tests; however, these methods are time-consuming and not always reliable. Recently, modern analytical techniques have emerged as powerful tools offering high-throughput, reliable and rapid analysis in applications, such as clinical and microbiology studies. A variety of modern analytical techniques have been employed for bacterial characterisation, including matrix-assisted laser desorption/ionisation time-of-flight mass spectrometry (MALDI-TOF-MS), liquid chromatography-mass s

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27

Blecha, Andreas. "Gentechnisches Design bakterieller Hüllproteine für die technische Nutzung." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2005. http://nbn-resolving.de/urn:nbn:de:swb:14-1136195910253-09581.

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Als &quot;surface-layer&quot; (S-Layer, SL) bezeichnet man die regelmäßig strukturierten Hüllproteinlagen auf der Oberfläche von etwa 80 % aller bisher bekannten Bakterienspezies. Sie entstehen durch Selbstassemblierung von identischen Proteinuntereinheiten, die wiederum zumeist durch nichtkovalente Wechselwirkungen mit der darunterliegenden Zellwandkomponente verknüpft sind. Trotz ihrer Diversität auf der Ebene der Primärstruktur weisen S-Layer verschiedener Bakterienarten einheitliche physikochemische Merkmale auf. Dazu zählt u.a. die Wiedereinnahme einer hochgradig strukturierten, p

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28

Groenewald, Willem Hermanus. "Taxonomy of species of Alicyclobacillus from South African orchards and fruit concentrate manufacturing environments and the prevention of fruit juice contamination." Thesis, Stellenbosch: University of Stellenbosch, 2009. http://hdl.handle.net/10019.1/1253.

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Thesis (PhD (Food Science))--University of Stellenbosch, 2009.<br>ENGLISH ABSTRACT: Species of Alicyclobacillus are acid-tolerant and heat-resistant bacteria that cause spoilage of heat-treated fruit juices stored at room temperature. During the past decade, Alicyclobacillus spp. have become a major cause of spoilage in pasteurised fruit juices leading to significant economic losses world-wide. Spoilage has been reported in apple, pear, orange, peach, mango and white grape juice, as well as in fruit juice blends, fruit juice containing drinks and tomato products, such as tomato juice and

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29

Craven, Mark Antony. "Bacteria classification with an electronic nose employing artificial neural networks." Thesis, University of Warwick, 1997. http://wrap.warwick.ac.uk/3960/.

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This PhD thesis describes research for a medical application of electronic nose technology. There is a need at present for early detection of bacterial infection in order to improve treatment. At present, the clinical methods used to detect and classify bacteria types (usually using samples of infected matter taken from patients) can take up to two or three days. Many experienced medical staff, who treat bacterial infections, are able to recognise some types of bacteria from their odours. Identification of pathogens (i.e. bacteria responsible for disease) from their odours using an electronic

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30

Pathak, Amita, Victoria L. Blair, Richard L. Ferrero, Michael Mehring, and Philip C. Andrews. "Bismuth(III) benzohydroxamates: powerful anti-bacterial activity against Helicobacter pylori and hydrolysis to a unique Bi34 oxido-cluster [Bi34O22(BHA)22(H-BHA)14(DMSO)6]." Universitätsbibliothek Chemnitz, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-161727.

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Reaction of BiPh3 or Bi(OtBu)3 with benzohydroxamic acid (H2-BHA) results in formation of novel mono- and di-anionic hydroxamato complexes; [Bi2(BHA)3]∞1, [Bi(H-BHA)3] 2, [Bi(BHA)(H-BHA)] 3, all of which display nM activity against Helicobacter pylori. Subsequent dissolution of [Bi2(BHA)3]∞ in DMSO/toluene results in hydrolysis to the first structurally authenticated {Bi34} oxido-cluster [Bi34O22(BHA)22(H-BHA)14(DMSO)6] 4<br>Dieser Beitrag ist aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich

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31

Ternström, Anders. "Classification, grouping and identification of bacteria isolated from food and the environment." Lund : Dept. of Food Technology, Laboratory of hygiene and taxonomy, Lund University, 1992. http://catalog.hathitrust.org/api/volumes/oclc/39697487.html.

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32

Rouli, Laetitia. "Etude systématique des génomes bactériens." Thesis, Aix-Marseille, 2014. http://www.theses.fr/2014AIXM5038.

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Débutée en 2005, l'ère du pangénome a connu un important essor ces dernières années, notamment grâce aux progrès des techniques de séquençage haut débit. Le pangénome, qui est divisé en deux grandes parties, le core génome et le génome accessoire, offre un grand éventail d'utilisation. Au cours de ces trois dernières années, nous avons étudié cette gamme de possibilités en nous basant sur des pathogènes humains tel que Coxiella burnetii, Kingella kingae et Bacillus anthracis. Ainsi, outre la découverte d'une nouvelle espèce de Kingella et l'étude de quelques génomes spécifiques, nous nous somm

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33

Van, Sandwyk James Henry du Toit. "Identification and classification of endogenous bacteria within mole-rats of the family Bathyergidae." Diss., University of Pretoria, 2007. http://hdl.handle.net/2263/26990.

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34

Schrallhammer, Martina, Filippo Ferrantini, Claudia Vannini, et al. "'Candidatus Megaira polyxenophila' gen. nov., sp. nov.: Considerations on Evolutionary History, Host Range and Shift of Early Divergent Rickettsiae." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-127288.

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“Neglected Rickettsiaceae” (i.e. those harboured by non-hematophagous eukaryotic hosts) display greater phylogenetic variability and more widespread dispersal than pathogenic ones; yet, the knowledge about their actual host range and host shift mechanism is scarce. The present work reports the characterization following the full-cycle rRNA approach (SSU rRNA sequence, specific in situ hybridization, and ultrastructure) of a novel rickettsial bacterium, herewith proposed as 'Candidatus Megaira polyxenophila' gen. nov., sp. nov. We found it in association with four different free-living ciliates

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35

Pöhlmann, Christoph, Manuela Brandt, Dorothea S. Mottok, et al. "Periplasmic Delivery of Biologically Active Human Interleukin-10 in Escherichia coli via a Sec-Dependent Signal Peptide." Karger, 2012. https://tud.qucosa.de/id/qucosa%3A27748.

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Interleukin-10 (IL-10) is a potent anti-inflammatory cytokine, with therapeutic applications in inflammatory bowel disease. For the in situ delivery of IL-10 by Escherichia coli as carrier chassis, a modified transporter was designed with the ability to secrete biologically active IL-10. De novo DNA synthesis comprised a 561-bp fragment encoding the signal sequence of the E. coli outer membrane protein F fused in frame to an E. coli codon-optimized mature human IL-10 gene under control of a T7 promoter. The construct was overexpressed in E. coli laboratory strains, E. coli BL21 (DE3) and E. co

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36

Lagier, Jean-Christophe. "Diversité du microbiote digestif humain par culturomics et pyroséquençage." Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM5023.

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Les relations entre le microbiote intestinal et la santé humaine ont été suggérées par les études métagénomiques. Microbial culturomics utilise de nombreuses conditions de culture avec une méthode d'identification rapide par MALDI-TOF, ou par séquençage de l'ARN 16S pour les colonies non identifiées. L'étude pionnière a permis d'identifier 340 bactéries différentes, dont 31 nouvelles espèces bactériennes et 174 espèces bactériennes décrite pour la première de l'intestin humain. Le séquençage du génome de chaque nouvelle espèce a permis de décrire le plus grand génome d'une bactérie isolée chez

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37

Diop, Awa. "Analyse des séquences des génomes bactériens en tant que source d'information taxonomique." Thesis, Aix-Marseille, 2018. http://www.theses.fr/2018AIXM0276/document.

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L’Identification rapide et la classification microbienne précise sont cruciales en microbiologie médicale pour la surveillance de la santé humaine et animale, établir un diagnostic clinique approprié et choisir des mesures thérapeutiques et de contrôle optimales. Cependant, les seuils universels utilisés pour la définition des espèces ne sont pas applicables à de nombreux genres bactériens. C'est notamment le cas des espèces du genre Rickettsia, qui expriment peu de caractéristiques phénotypiques distinctives. Compte tenu de la disponibilité des séquences de près de 100 génomes de Rickettsia,

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38

Guérin, Jacques. "Analyse statistique de donnees bacteriologiques du milieu marin par classification hierarchique." Rennes 1, 1990. http://www.theses.fr/1990REN1T087.

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39

Pegram, Sarah. "Use of Fourier Transform Infrared Spectroscopy for the Classification and Identification of Bacteria of Importance to the Food Industry." DigitalCommons@USU, 2007. http://digitalcommons.usu.edu/etd/73.

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The aim of this work was to use Fourier Transform Infrared Spectroscopy to characterize and identify bacteria of particular significance to the food industry. FT-IR spectroscopy is a rapid technique that can be applied to all groups of bacteria. The two objectives were to determine a suitable sampling procedure to record a spectrum and to determine a suitable statistical technique to identify characteristic regions of the spectrum associated with the genus and, potentially, the species. Pure cultures of bacteria were grown in broth, suspended in saline and dried to produce a film on a halide s

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40

Ifflaender, Sascha, Mario Rüdiger, Arite Koch, and Wolfram Burkhardt. "Three-Dimensional Digital Capture of Head Size in Neonates – A Method Evaluation." Public Library of Science, 2013. https://tud.qucosa.de/id/qucosa%3A27279.

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Introduction: The quality of neonatal care is mainly determined by long-term neurodevelopmental outcome. The neurodevelopment of preterm infants is related to postnatal head growth and depends on medical interventions such as nutritional support. Head circumference (HC) is currently used as a two-dimensional measure of head growth. Since head deformities are frequently found in preterm infants, HC may not always adequately reflect head growth. Laser aided head shape digitizers offer semiautomatic acquisition of HC and cranial volume (CrV) and could thus be useful in describing head size more p

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41

Vedel, Gérard. "Comparaison structurale des beta-lactamases de bacilles a gram negatif par electrophorese en gradient de ph (courbe de titrage) : interet pour leur classification." Paris 11, 1990. http://www.theses.fr/1990PA11P613.

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42

Ha, Thi Quyen, and Thi Minh Tu Hoa. "Selection of lactic acid bacteria producing bacteriocin." Technische Universität Dresden, 2016. https://tud.qucosa.de/id/qucosa%3A32636.

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Lactic acid bacteria were isolated from 10 samples of the traditionally fermented foods (5 samples of Vietnamese fermented pork roll and 5 samples of the salted field cabbage) and 5 samples of fresh cow milks collected from households in Vietnam. 22 strains of lactic acid bacteria were isolated for inhibition to Lactobacillus plantarum JCM 1149. Of these, only 2 strains including DC1.8 and NC1.2 have rod shape, the others have coccus shape. 7 strains showing higher antibacterial activity were selected for checking spectrum of antibacteria with indicator bacteria consistting of Bacillus subtili

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43

Poirion, Olivier. "Discrimination analytique des génomes bactériens." Thesis, Ecully, Ecole centrale de Lyon, 2014. http://www.theses.fr/2014ECDL0033/document.

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Le génome bactérien est classiquement pensé comme constitué de “chromosomes”, éléments génomiques essentiels pour l’organisme, stables et à évolution lente, et de “plasmides”, éléments génomiques accessoires, mobiles et à évolution rapide. La distinction entre plasmides et chromosomes a récemment été mise en défaut avec la découverte dans certaines lignées bactériennes d’éléments génomiques intermédiaires, possédant à la fois des caractéristiques de chromosomes et de plasmides. Désignés par le terme de “chromosomes secondaires”, “mégaplasmides” ou “chromid”, ces éléments sont dispersés parmi l

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44

Le, Thi Nhi Cong, Thi Ngoc Mai Cung, Ngoc Huy Vu, et al. "Enhancement diesel oil degradation by using biofilm forming bacteria on biochar." Technische Universität Dresden, 2018. https://tud.qucosa.de/id/qucosa%3A32707.

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Biochar is defined as a carbon-rich, fine-grained, porous substance, which is produced by pyrolysis biomass with little or no oxygen. Biochar is usually produced from crop residues, wood biomass, animal litters, and solid wastes. Recently, biochar is increasingly receiving attention as an environmental-friendly approach, especially as a climate change mitigation strategy. Biochar is especilly demonstrated to remove diesel oil (DO) from soil and water. In this report, 4 biofilm forming bacteria including Klepsiella sp. VTD8, Pseudomonas sp. BQN21, Rhodococcus sp. BN5 and Stenotropomonas sp. QND

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45

Ip, Ka-fai, and 葉嘉輝. "Molecular epidemiological study of mycobacterium tuberculosis using IS6110-RFLP and MIRU typing." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2005. http://hub.hku.hk/bib/B45010092.

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46

Han, Wei Mo, X. Zhou, J. Tan, L. Q. Peng, and W. H. Zhang. "Evaluation of ecotoxicity of typical surfactants for leather manufacture by luminescent bacteria - 121." Verein für Gerberei-Chemie und -Technik e. V, 2019. https://slub.qucosa.de/id/qucosa%3A34240.

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Content: Surfactants are used as auxiliaries in every wet processing process of leather production and discharged into wastewater, which would cause potential ecological risks. In this paper, fresh luminescent bacillus liquids were employed to evaluate the ecological toxicity of six surfactants, including anionic, cationic and non-ionic surfactants, and mixture of two typical ionic and nonionic surfactants after a 15-min exposure period. Non-ionic surfactants AEO and Tween80 showed slight light inhibition ie.10-35% to luminescent bacteria. The toxicity of anionic surfactants with polar sulfoni

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47

Hoang, Phuong Ha, Thi Ngoc Mai Cung, Thi Minh Nguyen, Thi Lien Do, Lan Phuong Do, and Thi Nhi Cong Le. "Isolation and selection of probiotic bacteria capable of forming biofilm for fermenting soybean meal." Technische Universität Dresden, 2018. https://tud.qucosa.de/id/qucosa%3A32723.

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Soybean meal (SBM) is residua product after oil extraction, the SBM with 48% protein is used for poultry, cattle. The SBM contains significant amount of anti-nutritional factors. Degradation of most antigenic proteins and protease inhibitors in SBM fermented by fungal, yeast and bacterial strains. Soybean fermented products are used as feed for livestock or aquaculture. Recently, biofilm forming microorganisms were broadly applied for fermentation process using substrates such as rice bran, corn, soybean meal ... to produce probiotics. In this study, we isolated and selected beneficial microbi

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48

Moussaoui, Louardi. "Applications de la spectrométrie de masse type MALDI-TOF à la bactériologie et à la distinction de variants génétiques." Phd thesis, Université de Strasbourg, 2012. http://tel.archives-ouvertes.fr/tel-00872251.

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L'objectif de mon travail fut de valider et d'optimiser la spectrométrie de masse de type MALDI-TOF pour l'identification et la classification d'un ensemble de bactéries pathogènes ou opportunistes chez l'homme, en enrichissant une base de données et en testant la robustesse de la méthode, afin d'obtenir une méthode rapide fixe et fiable d'acquisition de résultats. Les différents résultats obtenus ont permis la validation de la technique comme outil d'identification bactérienne fiable en routine. Elle permet désormais de caractériser les mélanges de deux bactéries voir même la différentiation

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49

Wahl, Reiner. "Reguläre bakterielle Zellhüllenproteine als biomolekulares Templat." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2003. http://nbn-resolving.de/urn:nbn:de:swb:14-1055925295812-40846.

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Bacterial cell wall proteins (S-layer) are - due to both the capability to self-assemble into two-dimensional crystals and their distinct chemical and structural properties - suitable for the deposition of metallic particles at their surface . The cluster growth is subject of this thesis. The binding of metal complexes to S-layers of Bacillus sphaericus and Sporosarcina ureae and their subsequent reduction leads to the formation of regularly arranged platinum or palladium cluster arrays on the biomolecular template. A heterogeneous nucleation mechanism is proposed for this process consisting o

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50

Thi, Tuyen Do, Quyen Le Dinh, Thi Quyen Dinh, and Cuong Pham Van. "Isolation and identification of marine bacteria from marine mud in Vietnam with antimicrobial activity." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-99508.

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Seventeen bacterial strains were isolated from 9 marine mud samples from the inshore environments of the East Sea. Four bacterial strains showed an inhibition against all tested microorganisms Staphylococcus aureus ATCC10832, Escherichia coli JM109, and Fusarium oxysporum. 16S rRNA sequences of four bacterial strains were obtained by PCR using specific primers. PCR products were cloned into E. coli DH5a using pJET1.2 blunt vector. The recombinant plasmids were sequenced and the lengths of these 16S rRNA sequences were ~930bp. The 16S rRNA sequence from the four bacterial DB1.2, DB1.2.3, DB4.2

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