Inducible mutagenesis and biofi lm formation in Streptococcus uberis
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چکیده
List of abbreviations List of original publications and manuscript
منابع مشابه
Identification of Factors Associated with Biofilm Formation Ability in the Clinical Isolates of Helicobacter pylori
Background: A few reports confirm the ability of Helicobacter pylori to form biofilm. However, conclusive data do not exist concerning the factors that favor this ability.Objectives: Evaluation of the factors associated with the biofilm formation ability of H. pylori including bacterial, physical and chemical, and environmental factors was the research’s aim.Materials and Methods: H...
متن کاملColonization of diatoms and bacteria on artifi cial substrates in the northeastern coastal Adriatic Sea
Every surface that is immersed in seawater becomes rapidly covered with an unavoidable biofi lm. Such biofi lm formation, also known as fouling, is a complex multistage process and not yet thoroughly investigated. In this study, the succession of diatoms and bacteria was investigated during a one month exposure on an artifi cial substrate of plexiglass (polymer of methyl methacrylate) mounted a...
متن کاملIdentification and disruption of two discrete loci encoding hyaluronic acid capsule biosynthesis genes hasA, hasB, and hasC in Streptococcus uberis.
The hyaluronic acid capsule of Streptococcus uberis has been implicated in conferring resistance to phagocytosis by bovine neutrophils. Construction of a bank of random insertion mutants of S. uberis (strain 0140J) was achieved using the pGh9::ISS1 mutagenesis system (22). Phenotypic screening of approximately 5,000 clones enabled the isolation of 11 acapsular mutants. Southern hybridization in...
متن کاملPrevalence of Virulence Factors and Antimicrobial Resistance of Streptococcus agalactiae and Streptococcus uberis in Ruminant Sub-clinical Mastitic Milk in Iran
Background and Aims: The aim of this study was to determine the virulence and antibiotic resistance properties of Streptococcus agalactiae (S. agalactiae) and Streptococcus uberis (S. uberis) isolated from the ruminant’s sub-clinical mastitic milk in Iran. Materials and Methods: Positive samples in the CMT test were cultured and S. agalactiae and S. uberis have been identified using bi...
متن کاملDiversity of heterotrophic bacteria isolated from biofilm samples and cell surface hydrophobicity.
Biofi lm formation is a well known phenomenon in the medical and health care fi elds. Biofi lm infection has recently attained a greater importance as an intractable infectious disease since the number of persons easily infected is rising as the percentage of the elderly population increases (Costerton et al., 1999). The environmental hygienic equipment and paper manufacturing industries call t...
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تاریخ انتشار 2010