Exploiting social evolution in biofilms.

Exploiting social evolution in biofilms.
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DOI:
10.1016/j.mib.2013.01.003
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发表时间:
2013-04
影响因子:
5.4
通讯作者:
Xavier JB
Xavier JB
中科院分区:
生物学2区
文献类型:
--
作者:
Boyle KE;Heilmann S;van Ditmarsch D;Xavier JB

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细菌是高度社会化的有机体,通过信号分子进行交流,在表面上集体移动并形成生物膜群落。尽管如此,我们对抗病原菌的主要防线是抗生素--针对细菌细胞个体水平特征的药物,因此,令人遗憾的是,它们选择了对自身作用的抗性。一个可能的解决方案在于靶向细菌在生物膜内相互作用的机制。微生物社会进化的新兴领域结合分子微生物学与进化理论,剖析细菌社会性的分子机制和进化压力。这项令人兴奋的新研究最终可能导致针对生物膜感染的新疗法,这些疗法利用了进化作弊或生物膜形成和扩散之间的权衡。
Bacteria are highly social organisms that communicate via signaling molecules, move collectively over surfaces and make biofilm communities. Nonetheless, our main line of defense against pathogenic bacteria consists of antibiotics – drugs that target individual-level traits of bacterial cells and thus, regrettably, select for resistance against their own action. A possible solution lies in targeting the mechanisms by which bacteria interact with each other within biofilms. The emerging field of microbial social evolution combines molecular microbiology with evolutionary theory to dissect the molecular mechanisms and the evolutionary pressures underpinning bacterial sociality. This exciting new research can ultimately lead to new therapies against biofilm infections that exploit evolutionary cheating or the trade-off between biofilm formation and dispersal.
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