Extensive programmed centriole elimination unveiled in C. elegans embryos.
Extensive programmed centriole elimination unveiled in C. elegans embryos.
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DOI:
10.1126/sciadv.adg8682
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发表时间:
2023-06-02
期刊:
影响因子:
13.6
通讯作者:
Gonczy, Pierre
中科院分区:
文献类型:
--
作者:
Kalbfuss, Nils;Gonczy, Pierre
Centrioles are critical for fundamental cellular processes, including signaling, motility, and division. The extent to which centrioles are present after cell cycle exit in a developing organism is not known. The stereotypical lineage of Caenorhabditis elegans makes it uniquely well-suited to investigate this question. Using notably lattice light-sheet microscopy, correlative light electron microscopy, and lineage assignment, we found that ~88% of cells lose centrioles during embryogenesis. Our analysis reveals that centriole elimination is stereotyped, occurring invariably at a given time in a given cell type. Moreover, we established that experimentally altering cell fate results in corresponding changes in centriole fate. Overall, we uncovered the existence of an extensive centriole elimination program, which we anticipate to be paradigmatic for a broad understanding of centriole fate regulation. Extensive and stereotyped centriole elimination during C. elegans development is controlled by cell fate.
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