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首页> 外文期刊>The American Journal of Tropical Medicine and Hygiene >Larval competition extends developmental time and decreases adult size of wMelPop Wolbachia-infected Aedes aegypti
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Larval competition extends developmental time and decreases adult size of wMelPop Wolbachia-infected Aedes aegypti

机译：幼虫竞争延长了wMelPop Wolbachia感染的埃及伊蚊的发育时间并减小了其成年大小

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摘要

The intracellular endosymbiont Wolbachia has been artificially transinfected into the dengue vector Aedes aegypti, where it is being investigated as a potential dengue biological control agent. Invasion of Wolbachia in natural populations depends upon the fitness of Wolbachia-infected Ae. aegypti relative to uninfected competitors. Although Wolbachia infections impose fitness costs on the adult host, effects at the immature stages are less clear, particularly in competitive situations. We look for effects of two Wolbachia infections, wMel and wMelPop, on intra-strain and interstrain larval competition in Ae. aegypti. Development of Wolbachia-infected larvae is delayed in mixed cohorts with uninfected larvae under crowded-rearing conditions. Slow developing wMelPop-infected larvae have reduced adult size compared with uninfected larvae, and larvae with the wMel infection are somewhat larger and have greater viability relative to uninfected larvae when in mixed cohorts. Implications for successful invasion by these Wolbachia infections under field conditions are considered.
机译：细胞内共生菌Wolbachia已被人工转染到登革热载体埃及伊蚊中，正在研究中作为潜在的登革热生物防治剂。 Wolbachia在自然种群中的入侵取决于Wolbachia感染的Ae的适应性。相对于未感染竞争对手的埃及。尽管Wolbachia感染会给成年宿主带来健身费用，但在未成熟阶段的效果尚不清楚，尤其是在竞争情况下。我们寻找两个Wolbachia感染，wMel和wMelPop，对Ae株内和株间幼虫竞争的影响。埃及。在拥挤饲养条件下，未感染幼虫的混合队列中，感染了沃尔巴克氏菌感染的幼虫的发育被延迟。与未感染的幼虫相比，发育缓慢的受wMelPop感染的幼虫的成虫体积减小了，而在混合人群中，与wMelPop感染的幼虫相比，未感染的幼虫更大一些，并且具有更大的生存力。考虑了在田间条件下这些沃尔巴氏菌感染对成功入侵的影响。

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