Chrysopa septempunctata (Neuroptera: Chrysopidae) Vitellogenin Functions Through Effects on Egg Production and Hatching
文献类型: 外文期刊
第一作者: Liu, C.
作者: Liu, C.;Mao, J.;Zeng, F.;Liu, C.
作者机构:
关键词: Chrysopa septempunctata;vitellogenin;RNA interference;function
期刊名称:JOURNAL OF ECONOMIC ENTOMOLOGY ( 影响因子:2.381; 五年影响因子:2.568 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: Vitellogenin (Vg) is a precursor of major egg storage protein, vitellin (Vt), and plays primary roles in reproduction of oviparous vertebrates and invertebrates. Chrysopa septempunctata Wesmael is an important and common predator of various insect pests. Here, we first cloned C. septempunctata Vg gene CsVg. The complete CsVg cDNA was 5664 bp, which encodes an 1810-residues protein with a predicted molecula CsVg mRNA first appeared on day 4 after emergence, maximally accumulated on day 10, and then declined gradually. RNAi mediated by injection of dsRNA depleted CsVg transcripts, significantly reduced egg-laying amount, and decreased egg hatching rate, suggesting that CsVg functions through effects on egg production and hatching in C. septempunctata.
分类号: Q969.9
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