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首页> 外文期刊>Trends in Plant Science >Plastid transcription: a menage a trois?
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Plastid transcription: a menage a trois?

机译:质体转录:提示三叉戟?

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摘要

Two extracellular transcriptional compartments, mitochondria and plastids. are active in plants, depending mainly on nucleus-encoded proteins for transcription. Several nuclear genes encoding RNA polymerases have been cloned from a variety of organisms and their subcellular localization studied in detail. Surprisingly. the transit peptide of a recently published phage-type RNA polymerase from Arabidopsis(RpoT2) possesses dual targeting properties to both mitochondria and chloroplasts, inferring involvement in the transcription of two different genomes. Possible implications of such a complex system are discussed in this article.
机译:两个细胞外转录区室,线粒体和质体。在植物中有活性,主要依赖于核编码的蛋白进行转录。已经从多种生物中克隆了几种编码RNA聚合酶的核基因,并对它们的亚细胞定位进行了详细研究。出奇。来自拟南芥(RpoT2)的一种最新发表的噬菌体型RNA聚合酶的转运肽对线粒体和叶绿体均具有双重靶向特性,推测参与了两个不同基因组的转录。本文讨论了这种复杂系统的可能含义。

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