Recoding: Dynamic reprogramming of translation

被引：281
作者：
Gesteland, RF
Atkins, JF
机构：
[1] Howard Hughes Medical Institute, Department of Human Genetics, University of Utah, Salt Lake City
来源：
ANNUAL REVIEW OF BIOCHEMISTRY | 1996年 / 65卷
关键词：
recoding; frameshifting; bypassing; genetic code; ribosome;
D O I：
10.1146/annurev.bi.65.070196.003521
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
A minority of genes in probably all organisms rely on ''recoding'' for translation of their mRNAs. In these cases, the rules for decoding are temporarily altered through the action of specific signals built into the mRNA sequences. Three classes are described. 1. Frameshifting at a particular site allows expression of a protein from an mRNA with overlapping open reading frames, often giving two protein products from one mRNA. 2. The meanings of code words are altered: specific stop codons can be redirected to encode selenocysteine, tryptophan, or glutamine. 3. Ribosomes can translate over coding gaps in mRNA. These novel mechanisms expand the repertoire of the genetic code and are at the heart of several regulatory schemes.
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收藏
页码：741 / 768
页数：28
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