Effect of Guanylate Cyclase-22-like on Ovarian Development of Orius nagaii (Hemiptera: Anthocoridae)
文献类型： 外文期刊
作者： Du, Huiling 1 ; Wang, Ruijuan 2 ; Dai, Xiaoyan 2 ; Yin, Zhenjuan 2 ; Liu, Yan 2 ; Su, Long 2 ; Chen, Hao 2 ; Zhao, Shan 2 ; Zheng, Li 2 ; Dong, Xiaolin 1 ; Zhai, Yifan 2 ;
作者机构： 1.Yangtze Univ, Coll Agr, MARA Key Lab Sustainable Crop Prod Middle Reaches, Coconstruct Minist & Prov, Jingzhou 434025, Peoples R China
2.Shandong Acad Agr Sci, Inst Plant Protect, 23788 Gongye North Rd, Jinan 250100, Peoples R China
3.Minist Agr & Rural Affairs, Key Lab Nat Enemies Insects, Jinan 250100, Peoples R China
关键词： Orius nagaii; receptor-type guanylate cyclase-22-like (GCY-22); vitellogenin (Vg); RNA interference; reproduction
期刊名称：INSECTS （ 影响因子：3.0； 五年影响因子：3.1 ）
ISSN：
年卷期： 2024 年 15 卷 2 期
页码：
收录情况： SCI
摘要： This study identified and characterized the gene encoding recep tor-type guanylate cyclase-22-like (GCY-22; OnGCY) from the pirate bug Orius nagaii, an important biological control agent. The full-length cDNA of the GCY of O. nagaii was obtained by rapid amplification of cDNA ends (RACE); it had a total length of 4888 base pairs (bp), of which the open reading frame (ORF) was 3750 bp, encoding a polypeptide of 1249 amino acid residues. The physicochemical properties of OnGCY were predicted and analyzed by using relevant ExPASy software, revealing a molecular formula of C6502H10122N1698O1869S57, molecular weight of similar to 143,811.57 kDa, isoelectric point of 6.55, and fat index of 90.04. The resulting protein was also shown to have a signal peptide, two transmembrane regions, and a conserved tyrosine kinase (tyrkc). Silencing OnGCY by RNA interference significantly inhibited ovarian development and decreased fertility in female O. nagaii in the treated versus the control group. Additionally, OnGCY silencing significantly decreased the expression levels of other GCY and Vg genes. Thus, these results clarify the structure and biological function of OnGCY, which has an important role in insect fecundity. The results also provide a reference for agricultural pest control and future large-scale breeding of biological control agents.
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