An RNA-interference screen in Drosophila to identify ZAD-containing C2H2 zinc finger genes that function in female germ cells.

An RNA-interference screen in Drosophila to identify ZAD-containing C2H2 zinc finger genes that function in female germ cells.
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DOI:
10.1093/g3journal/jkaa016
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发表时间:
2021-01-18
期刊:
G3 (Bethesda, Md.)
影响因子:
--
通讯作者:
Salz HK
Salz HK
中科院分区:
其他
文献类型:
--
作者:
Shapiro-Kulnane L;Bautista O;Salz HK

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锌指相关结构域(ZAD)存在于90多种C2H2锌指(ZNF)蛋白中。尽管它们丰富,但迄今为止只有少数ZAD-ZNF基因被表征。本研究通过体内rna干扰筛选,系统分析了68个ZAD-ZNF基因在果蝇雌性生殖细胞中的功能。我们确定了8个ZAD-ZNF基因是卵子发生所必需的,基于对敲低表型的进一步表征,我们发现了与生殖细胞规格和/或存活、早期分化和卵室成熟的功能广泛一致的缺陷。这些结果为未来的研究提供了一个候选库,旨在功能化这个庞大但特征不明显的基因家族。
The zinc finger-associated domain (ZAD) is present in over 90 C2H2 zinc finger (ZNF) proteins. Despite their abundance, only a few ZAD-ZNF genes have been characterized to date. Here, we systematically analyze the function of 68 ZAD-ZNF genes in Drosophila female germ cells by performing an in vivo RNA-interference screen. We identified eight ZAD-ZNF genes required for oogenesis, and based on further characterization of the knockdown phenotypes, we uncovered defects broadly consistent with functions in germ cell specification and/or survival, early differentiation, and egg chamber maturation. These results provide a candidate pool for future studies aimed at functionalization of this large but poorly characterized gene family.
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