Adherence of Virulent and Avirulent Legionella to Hydrocarbons
نویسندگان
چکیده
منابع مشابه
Murine macrophages differentially produce proinflammatory cytokines after infection with virulent vs. avirulent Legionella pneumophila.
Virulent Legionella pneumophila replicate readily in thioglycollate-elicited peritoneal macrophages from genetically permissive A/J mice, but avirulent L. pneumophila do not. The production of cytokines by macrophages infected with L. pneumophila has been studied, but the correlation of bacterial virulence with immune responses of macrophages, such as proinflammatory cytokine production, is not...
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The bactericidal activity of the aminoglycoside gentamicin has been demonstrated against a broad spectrum of bacteria (Jackson and Finland, 1969). This spectrum included Neisseria gonorrhoeae (Waitz and Weinstein, 1969); however, before gentamicin is used for the treatment of gonorrhoea, its effect on Treponema pallidum should be investigated to determine whether it can delay or mask the develo...
متن کاملCharacteristics of virulent, attenuated, and avirulent Mycoplasma pneumoniae strains.
Homologous pairs of virulent and attenuated or avirulent Mycoplasma pneumoniae strains were derived and compared in an effort to elucidate the mechanisms of virulence. These related strains were found to vary in growth, glycolysis, protein electrophoretic patterns, peroxide formation, morphology, and cytadsorption. Variations in the last two characteristics closely correlated with avirulence. T...
متن کاملDifferences in susceptibilities of virulent strains and avirulent strains of Neisseria gonorrhoeae to antimicrobial agents.
Virulent cells (T1 colony type) and avirulent cells (T4 colony type) of Neisseria gonorrhoeae were grown in a defined liquid medium in the presence of different antimicrobial agents. Bacteria of T1 colony type were found to be more resistant than bacteria of T4 colony type to the inhibitory effects of specific concentrations of ampicillin (0.50 mug/ml) and penicillin (0.01 mug/ml). Bacteria of ...
متن کاملSurface proteins of Bordetella pertussis: comparison of virulent and avirulent strains and effects of phenotypic modulation.
The surface proteins of several Bordetella strains and their modulated derivatives were examined by surface radioiodination, cell fractionation, and Western blotting. A surface protein with a high Mr, missing in a mutant lacking the filamentous hemagglutinin, was identified in virulent Bordetella pertussis and Bordetella parapertussis cells and was absent in avirulent B. pertussis strains. The ...
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ژورنال
عنوان ژورنال: Journal of Medical Sciences
سال: 2008
ISSN: 1682-4474
DOI: 10.3923/jms.2008.234.238