Comparative Phospho- and Acetyl Proteomics Analysis of Posttranslational Modifications Regulating Intestine Regeneration in Sea Cucumbers.

Comparative Phospho- and Acetyl Proteomics Analysis of Posttranslational Modifications Regulating Intestine Regeneration in Sea Cucumbers.
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调节海参肠再生的翻译后修饰的比较磷酸和乙酰蛋白质组学分析

DOI:
10.3389/fphys.2018.00836
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发表时间:
2018
影响因子:
4
通讯作者:
Yang H
Yang H
中科院分区:
医学2区
文献类型:
--
作者:
Sun L;Lin C;Li X;Xing L;Huo D;Sun J;Zhang L;Yang H

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暴露在压力环境下的海参会取出大部分内脏,然后在有利的环境下迅速再生。可逆的蛋白质磷酸化和乙酰化是调节蛋白质功能的主要修饰。在此,我们首次对一种海参物种Apostichopus japonicus的肠道再生进行了定量的磷酸化和乙酰基蛋白质组学分析。我们在1169个蛋白中鉴定出1862个磷酸化位点,在470个蛋白中鉴定出712个乙酰化位点。在分别被磷酸化和乙酰化差异修饰的147种和251种蛋白质中,大多数与细胞骨架生物发生、蛋白质合成和修饰、信号识别和转导、能量产生和转化或物质运输和代谢有关。磷酸化在信号识别和转导中似乎比乙酰化发挥更重要的作用,而乙酰化在翻译后修饰、蛋白质周转、伴侣蛋白中发挥更重要的作用;能源生产和转换;氨基酸和脂质运输和代谢。这些结果扩大了我们对翻译后修饰在海参内脏后肠再生中的调控机制的理解。
Sea cucumbers exposed to stressful circumstances eviscerate most internal organs, and then regenerate them rapidly under favorable environments. Reversible protein phosphorylation and acetylation are major modifications regulating protein function. Herein, for the first time, we perform quantitative phospho- and acetyl proteomics analyses of intestine regeneration in a sea cucumber species Apostichopus japonicus. We identified 1,862 phosphorylation sites in 1,169 proteins, and 712 acetylation sites in 470 proteins. Of the 147 and 251 proteins differentially modified by phosphorylation and acetylation, respectively, most were related to cytoskeleton biogenesis, protein synthesis and modification, signal recognition and transduction, energy production and conversion, or substance transport and metabolism. Phosphorylation appears to play a more important role in signal recognition and transduction than acetylation, while acetylation is of greater importance in posttranslational modification, protein turnover, chaperones; energy production and conversion; amino acid and lipid transport and metabolism. These results expanded our understanding of the regulatory mechanisms of posttranslational modifications in intestine regeneration of sea cucumbers after evisceration.
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