An intron in the YRA1 gene is required to control Yra1 protein expression and mRNA export in yeast

被引:23
作者
Rodríguez-Navarro, S [1 ]
Strässer, K [1 ]
Hurt, E [1 ]
机构
[1] BZH, D-69120 Heidelberg, Germany
关键词
D O I
10.1093/embo-reports/kvf091
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
Yra1p is an essential and conserved mRNA export factor in yeast. Strikingly, removal of the intron from YRA1 causes a dominant-negative growth phenotype and a concomitant inhibition of mRNA export. However, both defects are neutralized by replacement of the intron of YRA1 by a different intron. Significantly, Yra1p is overproduced in yeast when expressed from its intronless gene, but Yra1p levels are the same as the wild type when expressed from an intron-containing YRA1 gene. Thus, an intron in YRA1 controls Yra1p expression and mRNA export.
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收藏
页码:438 / 442
页数:5
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