Ribosome states signal RNA quality control.
Ribosome states signal RNA quality control.
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DOI:
10.1016/j.molcel.2021.02.022
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发表时间:
2021-04-01
期刊:
影响因子:
16
通讯作者:
Green R
中科院分区:
文献类型:
--
作者:
D'Orazio KN;Green R
Eukaryotic cells integrate multiple quality control (QC) responses during protein synthesis in the cytoplasm. These QC responses are signaled by slow or stalled elongating ribosomes. Depending on the nature of the delay, the signal may lead to translational repression, messenger RNA decay, ribosome rescue, and/or nascent protein degradation. Here, we discuss how multiple pathways that converge on mRNA decay rely on sensing the ribosome in a troubled or aberrant state and how the structure and composition of this aberrant complex determines the downstream quality control pathways that ensue.
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