Translational selection in human: more pronounced in housekeeping genes.

Translational selection in human: more pronounced in housekeeping genes.
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人类的翻译选择:在管家基因中更为明显

DOI:
10.1186/1745-6150-9-17
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发表时间:
2014-07-10
期刊:
影响因子:
5.5
通讯作者:
Zhang Z
Zhang Z
中科院分区:
生物学2区
文献类型:
--
作者:
Ma L;Cui P;Zhu J;Zhang Z;Zhang Z

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翻译选择是原核生物和单细胞真核生物中普遍存在的重要蛋白表达调控机制。最近的证据表明,在人类和其他脊椎动物的高表达基因中,翻译选择的作用很弱。然而,目前尚不清楚翻译选择对人类基因的作用是否取决于它们的表达模式。结果人类内务(HK)基因被严格定义为在大多数或所有组织中普遍一致表达的基因,它们受到更强的翻译选择。结论这些结果清楚地表明,翻译选择也与表达模式密切相关。我们的研究结果表明,人类HK基因更有效和/或准确地翻译成蛋白质,这将不可避免地为HK基因和基因表达调控开辟新的认识。本文由贝勒医学院Yuan Yuan;Han Liang,德克萨斯大学MD Anderson癌症中心(由Laura Landweber博士提名)Eugene Koonin, NCBI, NLM, NIH,美国Sandor Pongor,国际基因工程和生物技术中心(ICGEB),意大利。
BackgroundTranslational selection is a ubiquitous and significant mechanism to regulate protein expression in prokaryotes and unicellular eukaryotes. Recent evidence has shown that translational selection is weakly operative in highly expressed genes in human and other vertebrates. However, it remains unclear whether translational selection acts differentially on human genes depending on their expression patterns.ResultsHere we report that human housekeeping (HK) genes that are strictly defined as genes that are expressed ubiquitously and consistently in most or all tissues, are under stronger translational selection.ConclusionsThese observations clearly show that translational selection is also closely associated with expression pattern. Our results suggest that human HK genes are more efficiently and/or accurately translated into proteins, which will inevitably open up a new understanding of HK genes and the regulation of gene expression.ReviewersThis article was reviewed by Yuan Yuan, Baylor College of Medicine; Han Liang, University of Texas MD Anderson Cancer Center (nominated by Dr Laura Landweber) Eugene Koonin, NCBI, NLM, NIH, United States of America Sandor Pongor, International Centre for Genetic Engineering and biotechnology (ICGEB), Italy.
原核生物和真核生物翻译起始位点附近 mRNA 稳定性降低的普遍趋势
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