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酵母细胞色素c基因的转录调控

Transcriptional regulation of the yeast cytochrome c gene.

作者信息

Zitomer R S, Montgomery D L, Nichols D L, Hall B D

出版信息

Proc Natl Acad Sci U S A. 1979 Aug;76(8):3627-31. doi: 10.1073/pnas.76.8.3627.

Abstract

DNA from the cloned yeast iso-1-cytochrome c, cycl, gene was used in a hybridization assay to measure levels and rates of synthesis of cycl RNA. Derepressed cells synthesized cycl RNA at 6 times the rate of that of glucose-repressed cells. Upon glucose addition to a derepressed culture, the transcription of the cycl gene was repressed within 2.5 min. The half-life of hybridizable cycl RNA was determined to be 12-13.5 min under repressed and derepressed conditions and during repression. The results demonstrate that the expression of the cycl gene is subject to transcriptional regulation.

摘要

来自克隆的酵母同工酶-1-细胞色素c(cycl)基因的DNA被用于杂交试验,以测量cycl RNA的合成水平和速率。去阻遏细胞合成cycl RNA的速率是葡萄糖阻遏细胞的6倍。向去阻遏培养物中添加葡萄糖后,cycl基因的转录在2.5分钟内被抑制。在阻遏和去阻遏条件下以及阻遏过程中,可杂交的cycl RNA的半衰期被确定为12 - 13.5分钟。结果表明,cycl基因的表达受到转录调控。

相似文献

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Transcriptional regulation of the yeast cytochrome c gene.酵母细胞色素c基因的转录调控
Proc Natl Acad Sci U S A. 1979 Aug;76(8):3627-31. doi: 10.1073/pnas.76.8.3627.
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Kinetics of glucose repression of yeast cytochrome c.酵母细胞色素c的葡萄糖阻遏动力学
J Bacteriol. 1978 Jul;135(1):39-44. doi: 10.1128/jb.135.1.39-44.1978.
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本文引用的文献

1
Genetic determination of iso-cytochromes c in yeast.酵母中异细胞色素c的遗传决定因素
J Mol Biol. 1965 Aug;13(1):21-39. doi: 10.1016/s0022-2836(65)80077-8.

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