小菜蛾
菜蛾
红铃虫
生殖器鳞翅目
生物
昆虫不育技术
菜蛾科
有害生物分析
病虫害防治
人口
杀伤力
双性恋
灭菌(经济)
生物技术
遗传学
园艺
植物
幼虫
农学
基因
医学
RNA剪接
外汇
货币经济学
外汇市场
经济
环境卫生
核糖核酸
作者
Li Jin,Adam Walker,Guoliang Fu,Timothy Harvey-Samuel,Tarig Dafa’alla,Andrea M. Miles,Thea Marubbi,Deborah Granville,Nerys Humphrey-Jones,Sinead O’Connell,Neil I. Morrison,Luke Alphey
摘要
The sterile insect technique (SIT) is a pest control strategy involving the mass release of radiation-sterilized insects, which reduce the target population through nonviable matings. In Lepidoptera, SIT could be more broadly applicable if the deleterious effects of sterilization by irradiation could be avoided. Moreover, male-only release can improve the efficacy of SIT. Adequate methods of male-only production in Lepidoptera are currently lacking, in contrast to some Diptera. We describe a synthetic genetic system that allows male-only moth production for SIT and also replaces radiation sterilization with inherited female-specific lethality. We sequenced and characterized the doublesex (dsx) gene from the pink bollworm (Pectinophora gossypiella). Sex-alternate splicing from dsx was used to develop a conditional lethal genetic sexing system in two pest moths: the diamondback moth (Plutella xylostella) and pink bollworm. This system shows promise for enhancing existing pink bollworm SIT, as well as broadening SIT-type control to diamondback moth and other Lepidoptera.
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