Biochemical aspects of bacterial strategies for handling the incomplete translation processes.

Biochemical aspects of bacterial strategies for handling the incomplete translation processes.
复制标题

DOI:
10.3389/fmicb.2014.00170
复制
发表时间:
2014
影响因子:
5.2
通讯作者:
Shimizu Y
Shimizu Y
中科院分区:
生物学2区
文献类型:
--
作者:
Shimizu Y

文献摘要

参考文献

被引文献

相似文献

在细胞中蛋白质合成期间,翻译核糖体可能会遇到异常情况,由于合适的终止过程失败,导致未成熟的肽基-tRNA保留在核糖体上。细菌细胞通过使用三种系统来处理这种情况,这些系统拯救了停滞的翻译机器。转运信使RNA/小蛋白B(tmRNA/Smp B)系统,也称为反式翻译系统,通过启动模板从不完整的mRNA转换到tmRNA的短开放阅读框来拯救停滞的核糖体,导致产生含有C末端标签的蛋白质,该标签使其易于蛋白水解。ArfA/RF 2和ArfB系统通过水解残留在核糖体上的未成熟肽基-tRNA直接拯救停滞的核糖体。在这里,这些系统的生化方面,澄清最近的研究,进行审查。
During protein synthesis in cells, translating ribosomes may encounter abnormal situations that lead to retention of immature peptidyl-tRNA on the ribosome due to failure of suitable termination processes. Bacterial cells handle such situations by employing three systems that rescue the stalled translation machinery. The transfer messenger RNA/small protein B (tmRNA/SmpB) system, also called the trans-translation system, rescues stalled ribosomes by initiating template switching from the incomplete mRNA to the short open reading frame of tmRNA, leading to the production of a protein containing a C-terminal tag that renders it susceptible to proteolysis. The ArfA/RF2 and ArfB systems rescue stalled ribosomes directly by hydrolyzing the immature peptidyl-tRNA remaining on the ribosome. Here, the biochemical aspects of these systems, as clarified by recent studies, are reviewed.
DOI: 10.1101/gad.12.9.1338
发表时间: 1998-05-01
影响因子: 10.5
作者:
Gottesman, S;Roche, E;Sauer, RT
通讯作者: Sauer, RT
DOI: 10.1093/nar/30.7.1620
发表时间: 2002-04-01
影响因子: 14.9
作者:
Hanawa-Suetsugu, K;Takagi, M;Muto, A
通讯作者: Muto, A
DOI: 10.1093/emboj/17.11.3188
发表时间: 1998-06-01
期刊: EMBO JOURNAL
影响因子: 11.4
作者:
Felden, B;Hanawa, K;Crain, PF
通讯作者: Crain, PF
DOI: 10.1111/j.1365-2958.2011.07607.x
发表时间: 2011-05-01
影响因子: 3.6
作者:
Chadani, Yuhei;Ono, Katsuhiko;Abo, Tatsuhiko
通讯作者: Abo, Tatsuhiko
DOI: 10.1038/emboj.2010.255
发表时间: 2010-11-17
期刊: EMBO JOURNAL
影响因子: 11.4
作者:
Fu, Jie;Hashem, Yaser;Wower, Iwona;Lei, Jianlin;Liao, Hstau Y.;Zwieb, Christian;Wower, Jacek;Frank, Joachim
通讯作者: Frank, Joachim