نتایج جستجو برای: autolysis
تعداد نتایج: 1704 فیلتر نتایج به سال:
Background: Signaling mediated by serine/threonine phosphatases during bacterial pathogenesis is not completely understood. Results: In Group B Streptococcus (GBS), Stp1 controls serine/threonine kinase function, posttranscriptional regulation of hemolysin, autolysis and virulence. Conclusion: Although not essential for growth, Stp1 is critical for GBS pathogenesis. Significance: The importance...
BACKGROUND Pneumonia caused by infection with Streptococcus pneumoniae is still a major clinical problem. Reactive oxygen species contribute to the killing of these bacteria by polymorphonuclear leucocytes (PMNs). Defence mechanisms of Str pneumoniae which counter reactive oxygen species are characterised. METHODS PMNs were stimulated with phorbol myristate acetate (PMA) in the presence and a...
The contribution of penicillin-binding protein 5 (PBP5) and the PBP5 synthesis repressor (Psr) to the beta-lactam resistance, growth, and cell autolysis of wild-type strain ATCC 9790 and resistant strain R40 of Enterococcus hirae was investigated by disruption or substitution of the corresponding pbp5 and psr genes by Campbell-type recombination. The resulting modifications were confirmed by hy...
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