Cyclic mRNA localization in P-bodies

IF 17.3 1区 生物学 Q1 CELL BIOLOGY
Sabrya Carim
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引用次数: 0
环状 mRNA 在 P 体内的定位
P 型体含有多种 RNA 和 RNA 结合蛋白(RBPs),并在应激反应中调节其 RNA 含量。在最近的研究中,Safieddine 等人利用 RNA 测序和单分子荧光原位杂交技术发现,在细胞周期中,P-bodies 中的 mRNA 定位是高度动态的。P 型体在细胞周期进展过程中会增大,但其蛋白质组基本保持不变。进一步的分析表明,P-体中的 RNA 积累与细胞质丰度部分脱钩。P形体中循环定位的mRNA并不是非多聚体mRNA数量波动的结果。作者发现人类抗原 R(HuR)是一种 RBP,它通过阻止循环 mRNA 在 G2 期间被招募到 P 体内来促进循环 mRNA 的定位。在寻找参与P体定位的mRNA特征时,研究人员发现,mRNA核苷酸组成(富含GC)和mRNA长度会调节P体中依赖细胞周期的定位。
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来源期刊
Nature Cell Biology
Nature Cell Biology 生物-细胞生物学
CiteScore
28.40
自引率
0.90%
发文量
219
审稿时长
3 months
期刊介绍: Nature Cell Biology, a prestigious journal, upholds a commitment to publishing papers of the highest quality across all areas of cell biology, with a particular focus on elucidating mechanisms underlying fundamental cell biological processes. The journal's broad scope encompasses various areas of interest, including but not limited to: -Autophagy -Cancer biology -Cell adhesion and migration -Cell cycle and growth -Cell death -Chromatin and epigenetics -Cytoskeletal dynamics -Developmental biology -DNA replication and repair -Mechanisms of human disease -Mechanobiology -Membrane traffic and dynamics -Metabolism -Nuclear organization and dynamics -Organelle biology -Proteolysis and quality control -RNA biology -Signal transduction -Stem cell biology
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