Alu elements as regulators of gene expression.

Alu elements as regulators of gene expression.
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ALU元素作为基因表达的调节剂。

DOI:
10.1093/nar/gkl706
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发表时间:
2006
影响因子:
14.9
通讯作者:
Strub, Katharina
Strub, Katharina
中科院分区:
生物学2区
文献类型:
--
作者:
Haesler, Julien;Strub, Katharina

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Alu元件是人类基因组中最丰富的重复元件;它们在 6500 万年前从 7SL RNA 基因的 5' 到 3' 融合中出现,并通过逆转录转座在整个人类基因组中扩增,达到目前超过 100 万个拷贝的数量。在过去的几年里,一些证据表明这些元件至少以三种独立的方式在转录后水平调节基因表达。它们已被证明参与选择性剪接、RNA 编辑和翻译调控。这些发现强调了基因组如何通过赋予它们在基因表达调节中的重要功能来适应这些重复元件。因此,Alu 元素应被视为积极参与灵长类进化的潜在调节功能的大型库。
Alu elements are the most abundant repetitive elements in the human genome; they emerged 65 million years ago from a 5′ to 3′ fusion of the 7SL RNA gene and amplified throughout the human genome by retrotransposition to reach the present number of more than one million copies. Over the last years, several lines of evidence demonstrated that these elements modulate gene expression at the post-transcriptional level in at least three independent manners. They have been shown to be involved in alternative splicing, RNA editing and translation regulation. These findings highlight how the genome adapted to these repetitive elements by assigning them important functions in regulation of gene expression. Alu elements should therefore be considered as a large reservoir of potential regulatory functions that have been actively participating in primate evolution.
DOI: 10.1093/nar/25.2.318
发表时间: 1997-01-15
影响因子: 14.9
作者:
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