A concentration-dependent switch in the bacterial response to temperature

被引：0
|
作者：
Hanna Salman
Albert Libchaber
机构：
[1] Center for Studies in Physics and Biology,
[2] The Rockefeller University,undefined
来源：
Nature Cell Biology | 2007年 / 9卷
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摘要：
We observed that bacteria grown below a critical concentration, in batch-mode cultures, swim towards warm regions when subjected to a temperature gradient. Above that concentration, they swim towards colder regions. Our findings indicate that the secreted intercellular signal, glycine, mediates this switch through methylation of Tsr receptors. At high bacterial concentration, the switch is reinforced by an inversion of the Tar/Tsr expression ratio.
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页码：1098 / 1100
页数：2
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