BIRTH OF THE SNORNPS - THE EVOLUTION OF RNASE MRP AND THE EUKARYOTIC PRE-RIBOSOMAL-RNA-PROCESSING SYSTEM

被引：118
作者：
MORRISSEY, JP
TOLLERVEY, D
机构：
[1] European Molecular Biology Laboratory (EMBL), D-69012 Heidelberg
来源：
TRENDS IN BIOCHEMICAL SCIENCES | 1995年 / 20卷 / 02期
关键词：
D O I：
10.1016/S0968-0004(00)88962-8
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：
The ribonucleoprotein particle RNase MRP is required for the processing of yeast pre-ribosomal RNA (pre-rRNA). A structurally related particle, RNase P, is universally required for processing of pre-tRNA, but in bacteria and archaea also cleaves a site in the pre-rRNA. This suggests that RNase MRP may have arisen in eukaryotes as a form of RNase P specialized for pre-rRNA processing. Other eukaryotic small nucleolar RNAs may have arisen as trans-acting factors that functionally replace cis-acting pre rRNA interactions in bacteria and archaea.
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页码：78 / 82
页数：5
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