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Dissertations / Theses on the topic 'Staphylococcic'

Author: Grafiati

Published: 4 June 2021

Last updated: 29 January 2023

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1

Bjertsjö, Rennermalm Anna. "Staphylococcal cell wall associated proteins : characteristics and host interactions /." Stockholm, 2005. http://diss.kib.ki.se/2005/91-7140-542-9/.

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2

Lamers, Ryan Paul. "Evolutionary relationships among staphylococci and the prevention of Staphylococcus aureus nasal colonization." Doctoral diss., University of Central Florida, 2011. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4782.

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Staphylococcus is a significant cause of human infection and mortality, worldwide. Currently, there are greater than 60 taxa within Staphylococcus, and nearly all are pathogenic. The collective potential for virulence among species of Staphylococcus heightens the overall clinical significance of this genus and argues for a thorough understanding of the evolutionary relationships among species. Within Staphylococcus, aureus is the most common cause of human infection, where nasal carriage of this bacterium is a known risk factor for autoinfection. The predisposition to infection by nasal ca

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3

Raupelytė, Eglė. "Koaguliazei teigiamų stafilokokų išskyrimas iš gyvūnų augintinių." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2014. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2014~D_20140305_133815-68093.

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Darbo tikslas: nustatyti koaguliazei teigiamų stafilokokų paplitimą tarp gyvūnų augintinių. Darbo uždaviniai: 1. išskirti koaguliazei teigiamus stafilokokus iš gyvūnų augintinių nosies ertmės; 2. išskirti koaguliazei teigiamus stafilokokus iš gyvūnų augintinių tiesiosios žarnos; 3. identifikuoti išskirtas stafilokokų padermes; 4. įvertinti įvairių veiksnių įtaką stafilokokų paplitimui; 5. nustatyti išskirtų stafilokokų atsparumą antimikrobinėms medžiagoms. Darbo apimtis – 50 puslapių. Šiame darbe yra 6 lentelės bei 14 paveikslų. Magistro darbą sudaro 4 dalys. Pirmojoje dalyje apžvelgiami lite

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4

Nilsdotter, Åsa. "Coagulase-negative staphylococci in prosthetic hip infections /." Linköping : Univ, 2005. http://www.bibl.liu.se/liupubl/disp/disp2005/med902s.pdf.

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5

Pacheco, Diana Isabel Ferreira. "Clínica e cirurgia em bovinos de aptidão leiteira: fatores de risco associados à prevalência de Staphylococcus spp. e coliformes no leite do tanque de explorações da Ilha de São Miguel, Açores." Master's thesis, Universidade de Évora, 2015. http://hdl.handle.net/10174/15906.

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O presente relatório teve como base o estágio curricular em Clínica e Cirurgia de bovinos de aptidão leiteira realizado na Associação de Jovens Agricultores Micaelenses. A primeira parte deste relatório inclui a compilação da casuística acompanhada, seguida da segunda parte que corresponde à revisão bibliográfica sobre a mastite bovina. A terceira e última parte refere-se ao estudo desenvolvido em 100 explorações leiteiras da ilha de São Miguel, Açores. Do total das amostras de leite do tanque recolhidas nas explorações, 59% foram positivas a Staphylococcus aureus, 100% a Staphylococcus coagul

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6

Couto, Natacha. "Insights into the dynamics of methicillin-resistant staphylococci in animals : a focus on Staphylococcus pseudintermedius in dogs." Doctoral thesis, Universidade de Lisboa. Faculdade de Medicina Veterinária, 2016. http://hdl.handle.net/10400.5/10771.

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Tese especialmente elaborada para a obtenção do grau de Doutor em Ciências Veterinárias, especialidade de Clínica<br>Staphylococci are a group of bacteria with clinical, agricultural, and economic importance because of their wide range of virulence factors and ability to become resistant to antimicrobials. This thesis has pursued three main objectives: I. Determine the frequency of methicillin-resistant S. aureus (MRSA) strains in several animal species, identify the characteristics of strains present in animals and comparison with human strains MRSA nasal screening was performed in 71 h

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7

Amiali, Mohamed Nassim. "Identification of antibiotic-resistant staphylococci and epidemiological typing of methicillin-resistant Staphylococcus aureus by Fourier transform infrared spectroscopy." Thesis, McGill University, 2003. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=19525.

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Staphylococci strains are among the most widespread multidrug-resistant nosocomial pathogens in Canada. Rapid and accurate identification and epidemiological typing of methicillin-resistant S. aureus (MRSA) and its discrimination from coagulase-negative staphylococci (CNS) and glycopeptide-intermediate S. aureus (GISA) are crucial for appropriate therapy and for monitoring and limiting intra- and inter-hospital spread of epidemic MRSA strains. Although pulsed-field gel electrophoresis and polymerase chain reaction methods for the identification of MRSA are reliable, they are technically demand

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8

Holt-Torres, Patricia. "Anti-Staphylococcal Activity of Variovorax paradoxus EPS." CSUSB ScholarWorks, 2017. https://scholarworks.lib.csusb.edu/etd/584.

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Variovorax paradoxus EPS is a gram-negative rod isolated from the sunflower rhizosphere at CSUSB. Preliminary research has shown that Variovorax paradoxus EPS has anti-staphylococcal activity in liquid and solid co-culture. Anti-staphylococcal activity of Wild type and V. paradoxus EPS 𝚫4519 on 0.5% YE agar with embedded S. aureus AH1710 supports the idea that a soluble molecule is responsible for this activity, as the agar acted as a physical barrier between V. paradoxus EPS and S. aureus colonies. Preliminary genetic analysis of V. paradoxus EPS identified three loci that suitable candidates

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9

Motta, Rogério Heládio Lopes. "Prevalencia, resistencia e patogenicidade de Staphylococcus aureus colhidos no ambiente clinico odontologico." [s.n.], 2005. http://repositorio.unicamp.br/jspui/handle/REPOSIP/290193.

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Orientadores : Thales Rocha de Mattos Filho, Francisco Carlos Groppo<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba<br>Made available in DSpace on 2018-08-04T03:41:21Z (GMT). No. of bitstreams: 1 Motta_RogerioHeladioLopes_D.pdf: 659292 bytes, checksum: 254fb5f4f10c3501c081c5129d2db30f (MD5) Previous issue date: 2005<br>Doutorado<br>Farmacologia, Anestesiologia e Terapeutica<br>Doutor em Odontologia

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10

Björkqvist, Maria. "Coagulase-negative staphylococci septicaemia in newborns : aspects on host-bacterial interactions with special regard to neutrophil and endothelial response /." Linköping : Univ, 2004. http://www.bibl.liu.se/liupubl/disp/disp2004/med861s.pdf.

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11

Lee, Chun-Yuan, Hung-Chin Tsai, Calvin M. Kunin, Susan SJ Lee, and Yao-Shen Chen. "Clinical and microbiological characteristics of purulent and non-purulent cellulitis in hospitalized Taiwanese adults in the era of community-associated methicillin-resistant Staphylococcus aureus." BioMed Central Ltd, 2015. http://hdl.handle.net/10150/610291.

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BACKGROUND: The risk factors, microbial etiology, differentiation, and clinical features of purulent and non-purulent cellulitis are not well defined in Taiwan. METHODS: We conducted a retrospective cohort study of hospitalized adults with cellulitis in Taiwan in 2013. The demographic characteristics, underlying diseases, clinical manifestations, laboratory and microbiological findings, treatments, and outcomes were compared for patients with purulent and non-purulent cellulitis. RESULTS: Of the 465 patients, 369 had non-purulent cellulitis and 96 had purulent cellulitis. The non-purulent grou

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12

Fonte, Ângela Isabel Espinha da. "Queijo de coalho do sertão Alagoano: enterotoxigenicidade de S. aureus pela reacção em cadeia polimerase (PCR)." Master's thesis, ISA/UTL, 2011. http://hdl.handle.net/10400.5/4164.

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Mestrado em Engenharia Alimentar - Biotecnologia Microbiana - Instituto Superior de Agronomia<br>Staphylococcal enterotoxins (SE) are emetic toxins and are one of the main causes of food poisoning in humans. It is known that about 95% of staphylococcal food poisoning outbreaks are caused by SE types SEA to SEE. In this study, to investigate the distribution of staphylococcal enterotoxin genes (sea to see) in Staphylococcus aureus, 40 isolates obtained in Alagoas-Brazil from “coalho” cheese were analyzed by PCR. All S. aureus isolates were found to be positive for one or more se genes. Among th

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13

Lambein, Lore M. P. R. "An in vivo anti-staphylococcal drug screen using a zebrafish infection model implicates host autophagy in Staphylococcus aureus survival." Thesis, University of Sheffield, 2015. http://etheses.whiterose.ac.uk/8934/.

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14

SILVA, Marilda Moreira da. "Determinação do perfil de resistência aos antimicrobianos em micro-organismos potencialmente patogênicos isolados em uma unidade de alimentação e nutrição de um hospital de ensino." Universidade do Oeste Paulista, 2017. http://bdtd.unoeste.br:8080/jspui/handle/jspui/1051.

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Submitted by Adriana Martinez (amartinez@unoeste.br) on 2017-09-04T20:00:15Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Marilda.pdf: 696658 bytes, checksum: 0c0c3380d242fc97692b0a24713bda46 (MD5)<br>Made available in DSpace on 2017-09-04T20:00:15Z (GMT). No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Marilda.pdf: 696658 bytes, checksum: 0c0c3380d242fc97692b0a24713bda46 (MD5) Previous issue date: 2017-04-20<br>In order for food to provide, maintain or recover health it is necessary that it presents s

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15

Souza, Alinne Guimarães de [UNIFESP]. "Caracterização fenotípica e molecular de amostras de Staphylococcus coagulase negativo isoladas de infecções da corrente sanguínea de pacientes de dois hospitais gerais da cidade de São Paulo." Universidade Federal de São Paulo (UNIFESP), 2009. http://repositorio.unifesp.br/handle/11600/9185.

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Made available in DSpace on 2015-07-22T20:49:42Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-04-29. Added 1 bitstream(s) on 2015-08-11T03:26:19Z : No. of bitstreams: 1 Publico-154.pdf: 1362092 bytes, checksum: b56e51cd61b6e0026e1f047e7ce95328 (MD5)<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)<br>Staphylococcus coagulase negativo (SCoN) são importantes agentes etiológicos responsáveis por infecções relacionadas à assistência à saúde (IrAS) em infecções da corrente sanguínea. Em estudo retrospectivo foram avaliados SCoN isolados de pacientes com IrAS da c

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16

Ai͏̈thamouda, Farida. "Etude échographique d'une staphylococcie pleuro-pulmonaire chez l'enfant : à propos d'un cas, revue de la littérature." Montpellier 1, 1993. http://www.theses.fr/1993MON11183.

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17

Colque-Navarro, Patricia. "Serum antibodies against Staphylococcus aureus antigens in healthy individuals and patients with invasive infections." Stockholm, 2010. http://diss.kib.ki.se/2010/978-91-7409-841-9/.

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18

Shannon, Oonagh. "Biological effects of extracellular fibrinogen binding protein (Efb) in Staphylococcus aureus infection /." Stockholm, 2005. http://diss.kib.ki.se/2005/91-7140-275-6/.

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19

Matar, Suzan. "Characterization of staphylococcal small colony variants and their pathogenic role in biomaterial-related infections with special reference to Staphylococcus epidermidis." Thesis, University of Nottingham, 2004. http://eprints.nottingham.ac.uk/12135/.

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There are many surgical implanted devices in current use and all are prone to biomaterial-related infections (BRI) associated with staphylococcal biofilm formation. BRI are usually associated with S. epidermidis or S. Aureus and are characterized by treatment failure and chronicity resulting in reoperation, removal of the implant, and loss of function or death. Staphylococcal small colony variants (SCVs) may be generated by exposure to sublethal concentrations of antibiotics or nutrient limitation which may occur in biofilms. Although the characteristics of S. aureus SCVs have been well studie

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20

Long, James Paul. "Restoration of Host Resistance to Staphylococcus Aureus by Insulin Therapy and Characterization of Host Response to Coagulase- Negative Staphylococci in Intraperitoneal Infections /." The Ohio State University, 1995. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487868114112399.

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21

Binatti, Vanessa Batista. "Relação entre a resistência a oxacilina e a produção de biofilme de amostras de origem comunitária e hospitalar pertencentes a diferentes espécies de Staphylococcus coagulase negativo." Universidade do Estado do Rio de Janeiro, 2013. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=7400.

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Nas últimas décadas, os Staphylococcus coagulase-negativo, têm sido considerados como patógenos verdadeiros, sendo um dos principais grupos bacterianos responsáveis pelas infecções relacionadas a assistência a saúde (IRAS). O presente estudo teve como objetivo geral: avaliação da relação entre a resistência a oxacilina e a produção de biofilme de amostras Staphylococcus coagulase-negativo de origem comunitária e hospitalar. Neste sentido, foram desenvolvidos os seguintes objetivos específico: identificar ao nível de espécie os Staphylococcus coagulase-negativo; analisar por técnica fenotípica

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22

Tegnell, Anders. "The epidemiology and consequences of wound infections caused by coagulase negative staphylococci after thoracic surgery /." Linköping : Univ, 2002. http://www.bibl.liu.se/liupubl/disp/disp2002/med742s.pdf.

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23

Ferreira, Mariana de Andrade. "Caracterização fenotípica e genotípica de staphylococcus aureus isolados de queijo minas frescal industrial e artesanal." Universidade Federal de Goiás, 2015. http://repositorio.bc.ufg.br/tede/handle/tede/5564.

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Submitted by Marlene Santos (marlene.bc.ufg@gmail.com) on 2016-05-12T20:45:00Z No. of bitstreams: 2 Dissertação - Mariana de Andrade Ferreira - 2015.pdf: 2863875 bytes, checksum: 62c67ecc0abf8022b7bf54c6de62a20c (MD5) license_rdf: 19874 bytes, checksum: 38cb62ef53e6f513db2fb7e337df6485 (MD5)<br>Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2016-05-13T12:05:05Z (GMT) No. of bitstreams: 2 Dissertação - Mariana de Andrade Ferreira - 2015.pdf: 2863875 bytes, checksum: 62c67ecc0abf8022b7bf54c6de62a20c (MD5) license_rdf: 19874 bytes, checksum: 38cb62ef53e6f513db2fb

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24

Wilson, Lynne. "The investigation of the Staphylococcal Cassette Chromosome elements and Ciprofloxacin resistance in community Methicillin-Resistant Staphylococcus aureus Strains isolated in Western Australia." Thesis, Curtin University, 2012. http://hdl.handle.net/20.500.11937/566.

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In Western Australia, community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) continues to be a public health concern. Antibiotic resistance places additional burdens on the community and health-care systems. Updates in MRSA typing and molecular characterisation techniques have benefits in furthering understanding of the evolution and emergence of MRSA and ultimately result in improvements in the control and prevention of its spread. Molecular studies not only give an understanding of how MRSA evolve but enable typing to be improved so that isolates can be better identified

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25

Paiva, Rodrigo Minuto. "Concentração inibitória mínima de vancomicina para staphylococcus sp. coagulase negativa resistente à meticilina : comparação entre os métodos de microdiluição em caldo e etest e correlação com falha terapêutica em pacientes com bacteremia." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2010. http://hdl.handle.net/10183/60789.

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Vancomicina é o antimicrobiano de escolha no tratamento de bacteremias causadas por estafilococos resistentes à meticilina. No entanto, estudos recentes têm reportado que a vancomicina apresenta atividade reduzida contra Staphylococcus aureus resistentes à meticilina com concentrações inibitórias mínimas (CIMs) próximas do limite do ponto de corte de suscetibilidade, conforme critérios do CLSI, indicando falha terapêutica. Entretanto, existem poucos estudos à respeito dos Staphylococcus sp. coagulase negativa resistentes à meticilina (SCoNRM). Ademais, para determinação da CIM, deveria ser uti

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26

Souza, Rodrigo Malzoni de. "Capacidade de resistência à fagocitose e atividade bactericida de neutrófilos por distintas cepas de estafilococos associadas à mastite em vacas primíparas e multíparas." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/10/10136/tde-09042018-094125/.

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O grupo de estafilococos não-aureus (SNA), frequentemente isolados de quartos mamários com mastite subclínica, ápice do teto e ambiente, possue variabilidade ecológica que desafia a compreensão da patogenia a estes atribuída. Os fatores espécie-específicos associados à essa infecção ainda não foram identificados e a susceptibilidade difere entre vacas e quartos e promove diferentes perfis de infecção. Com o objetivo de avaliar a resistência à fagocitose e atividade microbicida, comparou-se a viabilidade, a produção intracelular de espécies reativas de oxigênio (ERO) e a fagocitose de neutrófil

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27

Bes, Michèle. "Caractérisation de bactériophages de Staphylococcus epidermidis et Staphylococcus saprophyticus." Lyon 1, 1991. http://www.theses.fr/1991LYO10011.

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Les staphylocoques coagulase-negatifs (scn), bacteries commensales de la peau et des muqueuses sont frequemment isoles au cours d'infections graves principalement chez des patients immunodeprimes ou porteurs de materiel etranger. L'absence de systeme de lysotypie des scn permettant de caracteriser ces souches pathogenes et de les differencier des couches isolees comme contaminants, nous a conduit a isoler nos propres bacteriophages. Deux lots de phages ont ete isoles de s. Epidermidis et s. Saprophyticus et evalues dans un premier temps comme marqueurs epidemiologiques en terme d'activite lyti

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28

Böhm, Sacha [Verfasser], Peter F. [Akademischer Betreuer] Zipfel, Matthias [Akademischer Betreuer] Pletz, and Knut [Akademischer Betreuer] Ohlsen. "Immune evasion proteins from Staphylococcus aureus and therapeutic evaluation of staphylococcal complement-controlling proteins / Sacha Böhm. Gutachter: Peter F. Zipfel ; Matthias Pletz ; Knut Ohlsen." Jena : Thüringer Universitäts- und Landesbibliothek Jena, 2014. http://d-nb.info/1048558452/34.

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29

Neves, Teresa Cabral Chora Claudino das. "Caracterização e avaliação da capacidade produtora de biofilmes em estafilococos coagulase negativos isolados de superfícies do ambiente fabril." Master's thesis, Universidade Técnica de Lisboa. Faculdade de Medicina Veterinária, 2012. http://hdl.handle.net/10400.5/4585.

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Dissertação de Mestrado em Segurança Alimentar<br>Os objectivos deste estudo prendem-se com a identificação e caracterização tecnológica de isolados de estafilococos coagulase negativos provenientes de diferentes salsicharias tradicionais situadas no Alentejo e superfícies do ambiente fabril, avaliando-se a sua capacidade em formar biofilmes e persistência pós-limpeza e desinfecção. Isolaram-se amostras (N=78) de 4 superfícies diferentes (misturadora, picadora, parede da sala de enchimento, enchedora) provenientes de 3 Fábricas do Alentejo, após o qual se fez identificação de espécies de Stap

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30

Hurtault, Sylvie. "Etude épidémiologique de l'émergence de staphylococcus aureus résistants à la fosfomycine dans une unité de soins intensifs." Bordeaux 2, 1989. http://www.theses.fr/1989BOR23035.

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Hussain, Malik Asif. "Comparative study of coagulase negative Staphylococci (CoNS) from clinical isolates, skin and nasal sources." Thesis, Queensland University of Technology, 2011. https://eprints.qut.edu.au/47603/1/Malik_Hussain_Thesis.pdf.

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Staphylococci are important pathogenic bacteria responsible for a range of diseases in humans. The most frequently isolated microorganisms in a hospital microbiology laboratory are staphylococci. The general classification of staphylococci divides them into two major groups; Coagulase-positive staphylococci (e.g. Staphylococcus aureus) and Coagulase-negative staphylococci (e.g. Staphylococcus epidermidis). Coagulase-negative staphylococcal (CoNS) isolates include a variety of species and many different strains but are often dominated by the most important organism of this group, S. epidermidis

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32

Quirk, Tracy Elizabeth. "Coagulase-negative staphylococci mastitis management." Pullman, Wash. : Washington State University, 2010. http://www.dissertations.wsu.edu/Thesis/Spring2010/T_QUIRK_042310.pdf.

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Thesis (M.S. in animal sciences)--Washington State University, May 2010.<br>Title from PDF title page (viewed on July 22, 2010). "Department of Animal Sciences." Includes bibliographical references (p. 53-65).

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33

McLaws, Fiona Blair. "Fusidic Acid Resistance in Staphylococci." Thesis, University of Leeds, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.503286.

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34

Planchon, Stella. "Aptitude de Staphylococcus carnosus et Staphylococcus xylosus à former des biofilms." Phd thesis, Clermont-Ferrand 2, 2006. http://tel.archives-ouvertes.fr/docs/00/69/39/34/PDF/2006CLF21661.pdf.

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Staphylococcus xylosus et Staphylococcus carnosus sont utilisés comme ferments de salaisons. S. Xylosus est fréquemment isolé dans l'environnement des ateliers de transformation alimentaire alors que S. Carnosus l'est rarement. Ainsi, nous avons étudié la capacité de ces deux espèces à former des biofilms sur divers supports abiotiques. Les souches de S. Carnosus sont hydrophiles, adhèrent à des supports hydrophiles mais ne forment pas de biofilms. Certaines souches de S. Xylosus sont hydrophiles, d'autres moyennement hydrophobes et elles forment des biofilms quelque soit le support. S. Xylosu

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35

Santiago, Neto Waldemir. "Avaliação de fatores de risco para resistência múltipla a antimicrobianos em bactérias da glândula mamária do gado de leite em sete regiões do Brasil." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2015. http://hdl.handle.net/10183/127123.

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Estafilococos têm sido relatados como os agentes mais prevalentes de mastite bovina. Este gru-po bacteriano pode transportar múltiplos elementos de resistência provenientes inclusive de outras populações bacterianas, tornando-se um grande problema de saúde pública, uma vez que também está envolvido em vários processos de doença em humanos, incluindo infecções da pele e dos tecidos moles, septicemia, osteomielite e pneumonia. A caracterização do perfil de resis-tência dos estafilococos aos antimicrobianos é importante para controlar a sua disseminação. O presente trabalho avaliou a distribuição

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36

Roberts, Jill Carolyne. "Characterization of Community-acquired Methicillin-resistant Staphylococcus aureus by Pulsed-field Gel Electrophoresis, Multilocus Sequence Typing, and Staphylococcal Protein A Sequencing: Establishing a Strain Typing Database." [Tampa, Fla] : University of South Florida, 2006. http://purl.fcla.edu/usf/dc/et/SFE0001489.

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37

Wernérus, Henrik. "Engineering of staphylococcal surfaces for biotechnological applications." Doctoral thesis, KTH, Biotechnology, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3450.

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<p>The engineering of bacterial surfaces has in recent yearsattracted a lot of attention with applications in manydifferent areas of bioscience. Here we describe the use of twodifferent surface display systems for the gram-positivebacteria Staphylococcus carnosus and Staphylococcus xylosus invarious biotechnological applications.</p><p>Environmental microbiology currently attracts a lot ofattention since genetically engineered plants and bacteriamight be used as bioadsorbents for sequestration of toxicmetals. Bacterial surface display of metal-binding peptidesmight enable recycling of the biom

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38

Ras, Geoffrey. "Production de monoxyde d’azote par les staphylocoques à coagulase négative : implication de l’oxyde nitrique synthase de staphylococcus xylosus." Thesis, Université Clermont Auvergne‎ (2017-2020), 2017. http://www.theses.fr/2017CLFAC029/document.

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Les staphylocoques à coagulase négative (SCN) sont des bactéries fréquemment isolées de viandes et de produits carnés. Parmi les SCN, seules les deux espèces S. xylosus et S. carnosus sont utilisées comme ferments dans les produits carnés. Dans ces produits, il est d’usage d’ajouter du nitrate/nitrite pour le développement de la couleur typique des salaisons. Les staphylocoques participent au développement et à la stabilité de la couleur en réduisant le nitrate en nitrite via leur activité nitrate réductase. Le nitrite est chimiquement réduit en monoxyde d’azote (NO), qui se lie au fer de l’hè

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Cho, Seung-Hak. "Epidemiologische und molekulare Untersuchungen zur Biofilmbildung in Staphylococcus epidermidis und Staphylococcus aureus." Doctoral thesis, [S.l.] : [s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=96419127X.

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Juodžentytė, Renalda. "Staphylococcus aureus ir Staphylococcus pseudintermedius išskyrimas iš gyvūnų augintinių ir jų savininkų." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2014. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2014~D_20140305_133603-55635.

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Šio darbo tikslas - Staphylococcus aureus ir Staphylococcus pseudintermedius išskyrimas iš gyvūnų augintinių, jų savininkų ir antimikrobinių medžiagų atsparumo nustatymas. Darbo uždaviniai: 1. Išskirti stafilokokus iš gyvūnų augintinių. 2. Išskirti stafilokokus iš gyvūnų augintinių savininkų. 3. Identifikuoti koaguliazei teigiamus stafilokokus. 4. Įvertinti įvairių veiksnių įtaka šunų nosies ertmės ir tiesiosios žarnos mikroflorai. 5. Įvertinti įvairių veiksnių įtaka gyvūnų augintinių savininkų nosies ertmės mikroflorai. 6. Nustatyti atsparumą antimikrobinėms medžiagoms. Iš viso paimti 123

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BARRIERE, CHARLOTTE. "Caracterisation des superoxyde dismutases et catalases de staphylococcus xylosus et staphylococcus carnosus." Clermont-Ferrand 2, 2001. http://www.theses.fr/2001CLF22282.

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Staphylococcus xylosus et staphylococcus carnosus sont deux especes a gram-positif, anaerobies facultatives, utilisees comme ferments dans les saucissons. Ils modulent la nature et le niveau des composes volatils issus de l'oxydation des acides gras. Leurs superoxyde dismutases (sods) et leurs catalases ont ete caracterisees afin de determiner leur pouvoir antioxydant. S. Xylosus c2a possede une seule sod proche des mnsods. Le gene codant (sod) a ete clone et sequence et deux promoteurs fonctionnels ont ete identifies en amont. L'expression du gene sod, etudiee a l'aide de fusions transcriptio

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Messad, Nourreddine. "Staphylococcus aureus colonisant / Staphylococcus aureus infectant dans le modèle du pied diabétique." Thesis, Montpellier, 2016. http://www.theses.fr/2016MONTT063/document.

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Staphylococcus aureus est l’un des principaux agents étiologiques des infections suppuratives superficielles et profondes ainsi que des syndromes liés à l’action de toxines. Paradoxalement, cette bactérie est un agent commensal qui est présent sur la peau ainsi que dans les cavités nasales notamment. Cela permet de considérer cette bactérie comme un organisme colonisant commensale. Les bases génétiques expliquant la différence entre une bactérie pathogène et une bactérie commensale reste inconnues. En utilisant la technique Optical Maps sur des souches de S. aureus isolées de plaies de pieds d

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Oliveira, Hanna Lara da Cruz Dinéas de. "Avaliação da ação de biocidas e papaína na formação de biofilmes em amostras hospitalares de Staphylococcus epidermidis e Staphylococcus haemolyticus resistentes a meticilina." Niterói, 2017. https://app.uff.br/riuff/handle/1/3271.

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Submitted by Biblioteca da Faculdade de Farmácia (bff@ndc.uff.br) on 2017-04-03T17:25:23Z No. of bitstreams: 1 Oliveira, Hanna Lara da Cruz Dinéas de [Dissertação, 2013].pdf: 1766254 bytes, checksum: 30cf8e6b52cfd32b623ecf94d3cee01b (MD5)<br>Made available in DSpace on 2017-04-03T17:25:23Z (GMT). No. of bitstreams: 1 Oliveira, Hanna Lara da Cruz Dinéas de [Dissertação, 2013].pdf: 1766254 bytes, checksum: 30cf8e6b52cfd32b623ecf94d3cee01b (MD5)<br>Os estafilococos coagulase negativos emergem como importantes patógenos nosocomiais, frequentemente isolados em bacteremias humanas, fato intimame

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Greco, Carey Anne. "Growth and Biofilm Formation by Staphylococcus Epidermidis and Other Relevant Contaminant Bacteria During Storage of Platelet Concentrates." Thèse, Université d'Ottawa / University of Ottawa, 2011. http://hdl.handle.net/10393/20253.

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Coagulase negative staphylococci (CoNS) are the most prevalent bacterial contaminants of platelet concentrates (PCs), and have been implicated in severe and fatal transfusion reactions. Of this group, Staphylococcus epidermidis is most frequently identified. The preliminary objective of this thesis was to confirm that S. epidermidis could form biofilms under platelet storage conditions. This was achieved using a modified crystal violet staining assay to detect plastic-adherent bacterial cells and examination of attachment processes by scanning electron microscopy. A collection of CoNS isolated

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Calander, Ann-Marie. "Proteases in staphylococcal arthritis /." Göteborg : Department of Rheumatology and Inflammation Research, Sahlgrenska Academy, Göteborg University, 2007. http://hdl.handle.net/2077/2584.

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Pourkomailian, B. "Osmoregulation in Staphylococcus aureus." Thesis, University of Aberdeen, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.593300.

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Osmoregulation in <I>Staphylococcus aureus </I>has been studied. Glycine betaine was found to act as an osmoprotectant by stimulating specific growth rate and salt tolerance of osmotically stressed <I>S. aureus </I>cells. The accumulation of this compatible solute was accomplished via two constitutive Na<SUP>+</SUP> dependant transport systems, a high-affinity system (Km = 3μM; Vmax = 26nmol. min<SUP>-1</SUP> mg total protein<SUP>-1</SUP>) and a low-affinity system (Km = 133μM; Vmax = 155 nmol. min<SUP>-1</SUP> mg total protein<SUP>-1</SUP>). The high-affinity system is specific for glycine be

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Peacock, Sharon. "Staphylococcal fibronectin-binding proteins." Thesis, University of Liverpool, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.275055.

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Worthington, Tony. "Serodiagnosis of staphylococcal sepsis." Thesis, Aston University, 2000. http://publications.aston.ac.uk/12356/.

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The coagulase-negative staphylococci are the most frequent cause of sepsis associated with indwelling intravascular catheters. Current microbiological investigations to support the diagnosis of catheter-related sepsis (CRS) include the culture of blood and catheter tips, however positive results may reflect specimen contamination, or colonisation of the catheter rather than true sepsis. Previous serological approaches to assist in the diagnosis of CRS based on cellular staphylococcal antigens have been of limited value. In this current study, the serodiagnostic potential of an exocellular anti

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Lucet, Jean-Christophe. "Epidémiologie de Staphylococcus aureus." Paris 11, 2004. http://www.theses.fr/2004PA114817.

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Ce travail a cherché à établir l'importance du réservoir méconnu des porteurs de Staphylococccus aureus résistant à la méticilline (SARM) dans l'épidémiologie hospitalière de cette bactérie multirésistante aux antibiotiques, la plus fréquente en France. Il montre au travers d'enquêtes prospectives, que la prévalence et l'incidence du SARM sont beaucoup plus elévées que ne laissent penser les surveillances basées sur des prélèvements à visée clinique. Il établit des facteurs de risque de portage de SARM, et suggère enfin que la stratégie de dépistage et précautions " contact " est efficace. Le

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Zhang, Lihong. "Studies on protein Sbi in Staphylococcus aureus /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 2000. http://epsilon.slu.se/avh/2000/91-576-5780-7.pdf.

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