Journal article

Wolbachia infections in Aedes aegypti differ markedly in their response to cyclical heat stress

Perran Ross, Itsanun Wiwatanaratanabutr, Jason Axford, Vanessa White, Nancy Endersby-Harshman, Ary Hoffmann

Published : 2016


Abstract Aedes aegypti mosquitoes infected with Wolbachia bacteria are currently being released for arbovirus suppression around the world. Their potential to invade populations and persist will depend on interactions with environmental conditions, particularly as larvae are often exposed to fluctuating and extreme temperatures in the field. We reared Ae. aegypti larvae infected with different types of Wolbachia ( w Mel, w AlbB and w MelPop) under diurnal cyclical temperatures. Rearing w Mel and w MelPop-infected larvae at 26-37°C reduced the expression of cytoplasmic incompatibility, a reproductive manipulation induced by Wolbachia . We also observed a sharp reduction in the density of Wolb..

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