The P Granules of C. elegans: A Genetic Model for the Study of RNA-Protein Condensates.
The P Granules of C. elegans: A Genetic Model for the Study of RNA-Protein Condensates.
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DOI:
10.1016/j.jmb.2018.08.007
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发表时间:
2018-11-02
影响因子:
5.6
通讯作者:
Seydoux G
中科院分区:
文献类型:
--
作者:
Seydoux G
P granules are RNA/protein condensates in the germline of Caenorhabditis elegans. Genetic analyses have begun to identify the proteins that regulate P granule assembly in the cytoplasm of zygotes. Among them, the RGG-domain protein PGL-3, the intrinsically disordered protein MEG-3, and the RNA helicase LAF-1 all bind and phase separate with RNA in vitro. We discuss how RNA-induced phase separation, competition with other RNA-binding proteins, and reversible phosphorylation contribute to the asymmetric localization of P granules in the cytoplasm of newly fertilized embryos. P granules contain RNA silencing complexes that monitor the germline transcriptome and may provide an RNA memory of germline gene expression across generations.
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