链球菌属ComC-ComD系统中的正向选择
Positive selection in the ComC-ComD system of Streptococcal Species.
作者信息
Ichihara Hisako, Kuma Kei-ichi, Toh Hiroyuki
机构信息
Bioinformatics Center, Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan.
出版信息
J Bacteriol. 2006 Sep;188(17):6429-34. doi: 10.1128/JB.00484-06.
Abstract
Competence-stimulating peptide (CSP) and ComD of the streptococcal species are a pheromone and its receptor, respectively, involved in the regulation of competence for natural genetic transformation. We show here that these molecules have undergone positive selection. This study is the first report of positive selection due to competition among bacterial populations.
摘要
链球菌属的 competence-stimulating peptide（CSP）和 ComD 分别是一种信息素及其受体，参与自然遗传转化能力的调控。我们在此表明这些分子经历了正选择。本研究是关于细菌群体间竞争导致正选择的首份报告。
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