不兼容和无菌的昆虫技术结合消灭蚊子
Xiaoying Zheng1, Dongjing Zhang1,2, Yongjun Li1,3
1Key Laboratory of Tropical Disease Control of the Ministry of Education, Sun Yat-sen University-Michigan State University Joint Center of Vector Control for Tropical Diseases, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.
Nature
|July 19, 2019
概括
将无菌昆虫技术 (SIT) 与不兼容昆虫技术 (IIT) 结合起来几乎消除了侵入性蚊子群. 这种结合的方法, IIT-SIT, 提供了一个有前途的区域性蚊媒控制策略.
科学领域:
- 昆虫学
- 载体生物学
- 遗传学
背景情况:
- 无菌昆虫技术 (SIT) 有效地控制了昆虫害虫,但对蚊子载体的成功有限.
- 使用沃尔巴基亚细菌的不兼容昆虫技术 (IIT) 是一种潜在的替代方法,但有可能释放生育的雌性.
- 随意释放的雌性与释放的雄性相同的Wolbachia菌株可能会损害IIT的有效性.
研究的目的:
- 评估结合不相容和无菌昆虫技术 (IIT-SIT) 控制入侵蚊子种群的有效性.
- 展示一种新的蚊子媒介控制方法,
主要方法:
- 大规模养有三重沃尔巴基亚感染的雄性虫.
- 通过幼辐射对释放的雄性进行绝育,以防止任何无意释放的雌性繁殖.
- 大规模释放工厂养的辐射感染沃尔巴基亚的雄性蚊子.
主要成果:
- 侵袭性蚊子Aedes albopictus的野外种群几乎已经消失.
- 在现实实地试验中成功展示了 IIT-SIT 战略.
- 验证该方法对整个地区的蚊子控制的可行性.
结论:
- 联合的IIT-SIT方法对控制入侵性蚊子种群非常有效.
- 这种综合性害虫防治策略克服了单独的SIT和IIT的局限性.
- 对于全球蚊媒控制工作来说, IIT-SIT 提供了一个可行且可扩展的解决方案.
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