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置于黑暗中的植物中rbcS mRNA的稳态水平降低是由于差异降解所致。

Reduced steady-state levels of rbcS mRNA in plants kept in the dark are due to differential degradation.

作者信息

Fritz C C, Herget T, Wolter F P, Schell J, Schreier P H

机构信息

Max-Planck-Institut für Züchtungsforschung, Cologne, Federal Republic of Germany.

出版信息

Proc Natl Acad Sci U S A. 1991 May 15;88(10):4458-62. doi: 10.1073/pnas.88.10.4458.

DOI:10.1073/pnas.88.10.4458
PMID:2034683
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC51679/
Abstract

When plants are placed in the dark, the level of the abundant mRNA encoding the small subunit of ribulose-1,5-bisphosphate carboxylase (rbcS) declines rapidly. We present evidence demonstrating an active degradation of rbcS mRNA in the dark. Detailed analysis shows that transcripts originating from different members of the rbcS gene family are differentially affected by this degradation. This phenomenon is not common to all light-regulated plant genes since the mRNA for ST-LS1, another leaf-specific and light-induced gene, is not degraded in the dark within the same time scale.

摘要

当植物置于黑暗中时，编码1,5 - 二磷酸核酮糖羧化酶小亚基（rbcS）的丰富mRNA水平会迅速下降。我们提供的证据表明，rbcS mRNA在黑暗中会发生主动降解。详细分析表明，来自rbcS基因家族不同成员的转录本受这种降解的影响存在差异。这种现象并非所有受光调节的植物基因都有，因为另一个叶特异性且受光诱导的基因ST-LS1的mRNA在相同时间尺度内于黑暗中不会降解。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f282/51679/7d09644c1c44/pnas01060-0411-b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f282/51679/1d8629f0eea8/pnas01060-0409-a.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f282/51679/a91fa6348861/pnas01060-0410-a.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f282/51679/a1475dcd98c4/pnas01060-0410-c.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f282/51679/5c774b0da8ac/pnas01060-0411-a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f282/51679/7d09644c1c44/pnas01060-0411-b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f282/51679/1d8629f0eea8/pnas01060-0409-a.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f282/51679/15b8f22cf1bd/pnas01060-0410-b.jpg
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