Microbial interactions: ecology in a molecular perspective.
Microbial interactions: ecology in a molecular perspective.
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DOI：
10.1016/j.bjm.2016.10.005
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发表时间：
2016-12
期刊：
影响因子：
--
通讯作者：
Araújo WL
中科院分区：
文献类型：
--
作者：
Braga RM;Dourado MN;Araújo WL
微生物-微生物或微生物-宿主的相互作用是在各种不同环境中定植和建立的关键策略。这些相互作用涉及所有生态方面，包括物理化学变化、代谢物交换、代谢物转换、信号传导、趋化性和导致基因型选择的遗传交换。此外，微生物群落在环境中的建立取决于物种多样性，因为微生物群落的高功能冗余增加了群落的竞争能力，降低了入侵者在该环境中建立的可能性。因此，这些关联是共同进化过程的结果，导致适应和专业化，通过减少生物和非生物胁迫或交换生长因子和信号，允许占领不同的生态位。微生物相互作用是通过分子和遗传信息的传递而发生的，这种交换涉及许多机制，如次生代谢物、铁载体、群体感应系统、生物膜形成和细胞转导信号等。相互作用的最终单位是每个生物体在响应环境（生物或非生物）刺激时的基因表达，这些刺激负责产生参与这些相互作用的分子。因此，在本文中，我们将重点关注微生物相互作用中涉及的一些分子机制，不仅是其他文献已经开发的微生物-宿主相互作用，还包括环境中不同微生物使用的分子策略，这些分子策略可以调节微生物群落的建立和结构。
The microorganism–microorganism or microorganism–host interactions are the key strategy to colonize and establish in a variety of different environments. These interactions involve all ecological aspects, including physiochemical changes, metabolite exchange, metabolite conversion, signaling, chemotaxis and genetic exchange resulting in genotype selection. In addition, the establishment in the environment depends on the species diversity, since high functional redundancy in the microbial community increases the competitive ability of the community, decreasing the possibility of an invader to establish in this environment. Therefore, these associations are the result of a co-evolution process that leads to the adaptation and specialization, allowing the occupation of different niches, by reducing biotic and abiotic stress or exchanging growth factors and signaling. Microbial interactions occur by the transference of molecular and genetic information, and many mechanisms can be involved in this exchange, such as secondary metabolites, siderophores, quorum sensing system, biofilm formation, and cellular transduction signaling, among others. The ultimate unit of interaction is the gene expression of each organism in response to an environmental (biotic or abiotic) stimulus, which is responsible for the production of molecules involved in these interactions. Therefore, in the present review, we focused on some molecular mechanisms involved in the microbial interaction, not only in microbial–host interaction, which has been exploited by other reviews, but also in the molecular strategy used by different microorganisms in the environment that can modulate the establishment and structuration of the microbial community.
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