Shedding light on bioluminescence regulation in Vibrio fischeri.

Shedding light on bioluminescence regulation in Vibrio fischeri.
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DOI:
10.1111/j.1365-2958.2012.08065.x
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发表时间:
2012-06
影响因子:
3.6
通讯作者:
Ruby EG
Ruby EG
中科院分区:
生物学2区
文献类型:
--
作者:
Miyashiro T;Ruby EG

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海洋细菌费氏弧菌(Vibrio fischeri)发出的生物发光是单个微生物细胞协调群体行为的一个特别引人注目的结果。负责光产生的基因主要由LuxR-LuxI群体感应系统调节。除了LuxR-LuxI,许多其他遗传因素和环境条件控制生物发光的产生。对LuxR-LuxI系统进行数学建模的努力正在深入了解这种自诱导行为的动态。夏威夷鱿鱼Euprymna nakopes与V. fischeri形成自然共生关系,并利用共生体衍生的生物发光进行某些夜间行为,例如反照明。最近的研究表明,与费氏弧菌相关的组织不仅可以检测到生物发光,而且还可以利用这种光来监测费氏弧菌的数量。
The bioluminescence emitted by the marine bacterium Vibrio fischeri is a particularly striking result of individual microbial cells coordinating a group behavior. The genes responsible for light production are principally regulated by the LuxR-LuxI quorum-sensing system. In addition to LuxR-LuxI, numerous other genetic elements and environmental conditions control bioluminescence production. Efforts to mathematically model the LuxR-LuxI system are providing insight into the dynamics of this autoinduction behavior. The Hawaiian squid Euprymna scolopes forms a natural symbiosis with V. fischeri, and utilizes the symbiont-derived bioluminescence for certain nocturnal behaviors, such as counterillumination. Recent work suggests that the tissue with which V. fischeri associates not only can detect bioluminescence but may also use this light to monitor the V. fischeri population.
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