Bacterial contact-dependent growth inhibition

被引:135
作者
Ruhe, Zachary C. [1 ]
Low, David A. [1 ,2 ]
Hayes, Christopher S. [1 ,2 ]
机构
[1] Univ Calif Santa Barbara, Dept Mol Cellular & Dev Biol, Santa Barbara, CA 93106 USA
[2] Univ Calif Santa Barbara, Biomol Sci & Engn Program, Santa Barbara, CA 93106 USA
基金
美国国家科学基金会; 美国国家卫生研究院;
关键词
bacterial competition; biofilm; cellular communication; contact-dependent growth inhibition; toxic nuclease; two-partner secretion proteins; VI SECRETION SYSTEM; ERWINIA-CHRYSANTHEMI EC16; CYSTEINE SYNTHASE COMPLEX; TOXIN DELIVERY-SYSTEMS; ESCHERICHIA-COLI; OUTER-MEMBRANE; CDI SYSTEMS; PROTEIN; IDENTIFICATION; IMMUNITY;
D O I
10.1016/j.tim.2013.02.003
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Bacteria cooperate to form multicellular communities and compete against one another for environmental resources. Here, we review recent advances in the understanding of bacterial competition mediated by contact-dependent growth inhibition (CDI) systems. Different CDI+ bacteria deploy a variety of toxins to inhibit neighboring cells and protect themselves from autoinhibition by producing specific immunity proteins. The genes encoding CDI toxin immunity protein pairs appear to be exchanged between cdi loci and are often associated with other toxin-delivery systems in diverse bacterial species. CDI also appears to facilitate cooperative behavior between kin, suggesting that these systems may have other roles beyond competition.
引用
收藏
页码:230 / 237
页数:8
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