CCDC-55 is required for larval development and distal tip cell migration in Caenorhabditis elegans.

CCDC-55 is required for larval development and distal tip cell migration in Caenorhabditis elegans.
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CCDC-55是秀丽隐杆线虫中幼虫发育和远端尖端细胞迁移所必需的。

DOI:
10.1016/j.mod.2012.01.003
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发表时间:
2012-01
影响因子:
2.6
通讯作者:
Cram, Erin J.
Cram, Erin J.
中科院分区:
生物学4区
文献类型:
--
作者:
Kovacevic, Ismar;Ho, Richard;Cram, Erin J.

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梭线虫远端细胞(DTC)是研究发育调节的细胞迁移的体内模型。在这项研究中,我们描述了一个新的作用,CCDC-55,一个保守的卷曲螺旋结构域包含蛋白,在DTC的迁移和幼虫发育在C。优美的虽然动物纯合的一个可能的无效等位基因,ccdc-55(ok 2851),显示早期幼虫逮捕,RNAi耗竭实验允许分析以后的表型,并建议,CCDC-55是需要在DTC迁移停止在幼虫形态发生结束。ccdc-55基因存在于具有靶向细胞迁移基因(如β-整联蛋白PAT-3)的rnf-121和rnf-5、E3泛素连接酶的操纵子中。使用RNAi消除和缺失等位基因rnf-121(ok 848)和rnf-5(tm 794)的遗传相互作用研究表明,CCDC-55和RNF基因至少部分平行地起作用,以促进成人DTC中细胞迁移的终止。
The C. elegans distal tip cells (DTCs) are an in vivo model for the study of developmentally regulated cell migration. In this study we characterize a novel role for CCDC-55, a conserved coiled-coil domain containing protein, in DTC migration and larval development in C. elegans. Although animals homozygous for a probable null allele, ccdc-55(ok2851), display an early larval arrest, RNAi depletion experiments allow the analysis of later phenotypes and suggest that CCDC-55 is needed within the DTC for migration to cease at the end of larval morphogenesis. The ccdc-55 gene is found in an operon with rnf-121 and rnf-5, E3 ubiquitin ligases that target cell migration genes such as the β-integrin PAT-3. Genetic interaction studies using RNAi depletion and the deletion alleles rnf-121(ok848) and rnf-5(tm794) indicate that CCDC-55 and the RNF genes act at least partially in parallel to promote termination of cell migration in the adult DTC.
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