A POSITION EFFECT ON THE EXPRESSION OF A TRANSFER-RNA GENE MEDIATED BY THE SIR GENES IN SACCHAROMYCES-CEREVISIAE

被引:97
作者
SCHNELL, R [1 ]
RINE, J [1 ]
机构
[1] UNIV CALIF BERKELEY, DEPT BIOCHEM, BERKELEY, CA 94720 USA
关键词
D O I
10.1128/MCB.6.2.494
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 SIR genes of Saccharomyces cerevisiae are responsible for the position-dependent regulation of the a and .alpha. mating-type genes. Previous work by others has shown that the products of the SIR genes prevent the accumulation of stable transcripts of the a and .alpha. genes at HML and HMR. Results of this study establish that this regulation is a region-specific effect rather than a gene-specific effect since expression of a tRNA gene placed at HMR is repressed by the products of the SIR genes.
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页码:494 / 501
页数:8
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