互換性のない方法と 滅菌した方法の組み合わせで 蚊を駆除する
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
まとめ
無菌な昆虫技術 (SIT) と不適合な昆虫技術 (IIT) の組み合わせにより,侵入性蚊のAedes albopictus集団はほぼ排除されました. このIIT-SITという 組み合わせられたアプローチは 蚊媒介者制御の有望な戦略です
科学分野:
- 昆虫学
- ベクター生物学
- 遺伝学
背景:
- 滅菌昆虫技術 (SIT) は害虫を効果的に制御しますが,蚊の媒介者に対して限られた成功を収めています.
- ワルバキア菌を用いた不適合な昆虫技術 (IIT) は,潜在的な代替手段ですが,肥沃なメスを放出する危険性があります.
- 放出された雄と同じウォルバキア菌株を持つ雌の偶然の放出は,IITの有効性を損なう可能性があります.
研究 の 目的:
- 侵入性蚊の群を制御するための不適合と不妊の昆虫技術 (IIT-SIT) の有効性を評価する.
- 蚊媒介の制御のための新しいアプローチをデモンストレーションする
主な方法:
- Aedes albopictusの男性を大量に飼育する 3重のWolbachia感染
- 無意識に放出された雌の繁殖を防ぐために,放出された雄の射による不妊化.
- 工場で飼育され 放射線で感染したオスの蚊を 大規模に放出しています
主要な成果:
- 侵襲性蚊種エデス・アルボピクタスの 野外集団は ほぼ絶滅しています
- IIT-SITの戦略を現実の世界で実証した.
- 地域全体の蚊対策のための方法の実現可能性の検証
結論:
- IITとSITの組み合わせは 侵入性蚊集団の制御に 非常に有効です
- この総合的な害虫対策戦略は SIT と IIT の限界を克服します
- IIT-SITは世界の蚊媒介者対策に 実行可能でスケーラブルな解決策です
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