The response regulator ComE in Streptococcus mutans functions both as a transcription activator of mutacin production and repressor of CSP biosynthesis
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چکیده
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15 صفحه اولCharacterization of DNA binding sites of the ComE response regulator from Streptococcus mutans.
In Streptococcus mutans, both competence and bacteriocin production are controlled by ComC and the ComED two-component signal transduction system. Recent studies of S. mutans suggested that purified ComE binds to two 11-bp direct repeats in the nlmC-comC promoter region, where ComE activates nlmC and represses comC. In this work, quantitative binding studies and DNase I footprinting analysis we...
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15 صفحه اولBiosynthesis and transport of the lantibiotic mutacin 1140 produced by Streptococcus mutans.
UNLABELLED Lantibiotics are ribosomally synthesized peptide antibiotics composed of an N-terminal leader peptide that is cleaved to yield the active antibacterial peptide. Significant advancements in molecular tools that promote the study of lantibiotic biosynthesis can be used in Streptococcus mutans. Herein, we further our understanding of leader peptide sequence and core peptide structural r...
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ژورنال
عنوان ژورنال: Microbiology
سال: 2007
ISSN: 1350-0872,1465-2080
DOI: 10.1099/mic.0.2007/005975-0