Survival of the drowsiest: the hibernating 100S ribosome in bacterial stress management.
Survival of the drowsiest: the hibernating 100S ribosome in bacterial stress management.
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DOI:
10.1007/s00294-017-0796-2
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发表时间:
2018-08
期刊:
影响因子:
2.5
通讯作者:
Yap MF
中科院分区:
文献类型:
--
作者:
Gohara DW;Yap MF
In response to nutrient deprivation and environmental insults, bacteria conjoin two copies of non-translating 70S ribosomes that form the translationally inactive 100S dimer. This widespread phenomenon is believed to prevent ribosome turnover and serves as a reservoir that, when conditions become favorable, allows the hibernating ribosomes to be disassembled and recycled for translation. New structural studies have revealed two distinct mechanisms for dimerizing 70S ribosomes, but the molecular basis of the disassembly process is still in its infancy. Many details regarding the sequence of dimerization-dissociation events with respect to the binding and departure of the hibernation factor and its antagonizing disassembly factor remain unclear.
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