期刊
FRONTIERS IN PHYSIOLOGY
卷 11, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fphys.2020.00055
关键词
Bemisia tabaci; intersex; RNA interference; sex determination; pest control
类别
资金
- National Natural Science Foundation of China [31420103919, 31871970, 31672032]
- Beijing Nova Program [Z171100001117039]
- China Postdoctoral Science Foundation [2018M641559]
- China's Agricultural Research System [CARS-24-C-02]
- Science and Technology Innovation Program of the Chinese Academy of Agricultural Sciences (CAAS-ASTIP-IVFCAAS)
- Beijing Key Laboratory for Pest Control and Sustainable Cultivation of Vegetables
The intersex (ix) gene acts in concert with doublesex (dsx) at the end of the sex determination hierarchy to control somatic sexual differentiation in Drosophila melanogaster. Here, we report the Drosophila ix homolog in Bemisia tabaci (Btix) with differential splicing events. Four isoforms were found in B. tabaci adults, including two sex-specific transcripts (Btix(F) and Btix(M)). Knockdown of Btix had no measurable effects on female morphological phenotypes but reduced the expression of the vitellogenin gene and resulted in the production of significantly fewer eggs, a lower eclosion rate, and a shorter body size of female progeny in comparison with control females. These results increase our understanding of the genes underlying sex determination in B. tabaci and reveal a potential target for RNA interference-based pest management.
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