Repeated bouts of dehydration deplete nutrient reserves and reduce egg production in the mosquito Culex pipiens

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Repeated bouts of dehydration deplete nutrient reserves and reduce egg production in the mosquito Culex pipiens.

In this study of the mosquito, Culex pipiens, we examined the impact of multiple bouts of dehydration and rehydration on survival, depletion of metabolic reserves and egg production in both non-diapausing and diapausing females. Mosquitoes provided with access to sugar during rehydration survived longer than those allowed to rehydrate without sugar, and their survival was similar to that of mos...

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Diversification of Wolbachia endosymbiont in the Culex pipiens mosquito.

The α-proteobacteria Wolbachia are among the most common intracellular bacteria and have recently emerged as important drivers of arthropod biology. Wolbachia commonly act as reproductive parasites in arthropods by inducing cytoplasmic incompatibility (CI), a type of conditional sterility between hosts harboring incompatible infections. In this study, we examined the evolutionary histories of W...

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Population genetics of insecticide resistance in the mosquito Culex pipiens

Thirty years of control of the mosquito Culex pipiens using organophosphate insecticides (OP) has selected for OP-resistance alleles on a world-wide scale. As reviewed here, studies at the levels of gene and population allow identification of the main forces driving this process of adaptation. Three loci are involved in OP-resistance in C. pipiens. For two of these, adaptive mutations were foun...

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Tracking factors modulating cytoplasmic incompatibilities in the mosquito Culex pipiens.

Wolbachia are maternally inherited endosymbiotic bacteria that infect many arthropod species and may induce cytoplasmic incompatibility (CI), resulting in abortive embryonic development. One Wolbachia host, Culex pipiens complex mosquitoes, displays high levels of variability in both CI crossing types (cytotypes) and DNA markers. We report here an analysis of 14 mosquito strains, containing 13 ...

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Culex pipiens and Aedes triseriatus Mosquito Susceptibility to Zika Virus

laboratory indicated a Ct value of 35.82). Semen samples collected on days 99 and 117 tested negative for Zika virus RNA. Attempts at virus isolation from the semen sample collected on day 23 failed to cultivate infectious particles. It is very unlikely that transmission of Zika virus infection to patient 2 occurred through a mosquito bite. Although occasional interceptions of exotic mosquito s...

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ژورنال

عنوان ژورنال: Journal of Experimental Biology

سال: 2010

ISSN: 1477-9145,0022-0949

DOI: 10.1242/jeb.044883