Trans-acting proteins regulating mRNA maturation, stability and translation in trypanosomatids

被引:89
作者
Kramer, Susanne [1 ]
Carrington, Mark [1 ]
机构
[1] Univ Cambridge, Dept Biochem, Cambridge CB2 1QW, England
基金
英国惠康基金;
关键词
CELL-CYCLE REGULATION; SEQUENCE BINDING-PROTEIN; SPLICED LEADER RNA; CRITHIDIA-FASCICULATA; GENE-EXPRESSION; CCCH PROTEIN; DEVELOPMENTAL REGULATION; 3'-UNTRANSLATED REGION; POLYPYRIMIDINE TRACT; DOMAIN PROTEINS;
D O I
10.1016/j.pt.2010.06.011
中图分类号
R38 [医学寄生虫学]; Q [生物科学];
学科分类号
07 ; 0710 ; 09 ; 100103 ;
摘要
In trypanosomatids, alterations in gene expression in response to intrinsic or extrinsic signals are achieved through post-transcriptional mechanisms. In the last 20 years, research has concentrated on defining the responsible cis-elements in the untranslated regions of several regulated mRNAs. More recently, the focus has shifted towards the identification of RNA-binding proteins that act as trans-acting factors. Trypanosomatids have a large number of predicted RNA-binding proteins of which the vast majority have no orthologues in other eukaryotes. Several RNA-binding proteins have been shown to bind and/or regulate the expression of a group of mRNAs that code for functionally related proteins, indicating the possible presence of co-regulated mRNA cohorts.
引用
收藏
页码:23 / 30
页数:8
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