Plasmodium infection brings forward mosquito oviposition

Biology Letters
J VézilierA Rivero

Abstract

Invertebrate hosts often bring forward their reproductive effort in response to a parasitic infection. This is widely interpreted as a host-driven response aimed at compensating for the expected losses in future fitness as a result of parasitism. Here we report that mosquitoes bring forward their oviposition schedule when they are infected with Plasmodium, a parasite known to severely curtail mosquito fecundity. This response could aim at compensating for a negative time-dependent effect of the parasite on mosquito fitness, as infected mosquitoes seem to display a strong and progressive decrease in the quality of the eggs they lay. In addition, we show that this shift in oviposition date is dependent on mosquito strain: a comparison of several isogenic mosquitoes strains, one insecticide-susceptible and two insecticide-resistant ones, reveals that only the former shift their oviposition strategy when infected. This pattern suggests the existence of a costly host-driven response to parasitism, as insecticide-resistant mosquitoes have been shown to be in generally poorer condition.

Associated Datasets

References

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Citations

Mar 2, 2016·Parasites & Vectors·Johanna R OhmLauren J Cator
Aug 10, 2015·Trends in Parasitology·Maria L Simões, George Dimopoulos
Aug 12, 2016·Proceedings. Biological Sciences·Stephanie S GervasiLynn B Martin
Apr 21, 2017·Journal of Evolutionary Biology·V GuptaP F Vale
Feb 16, 2018·BioEssays : News and Reviews in Molecular, Cellular and Developmental Biology·Tracey RussellBeata Ujvari
Feb 19, 2016·Parasitology·Beata UjvariFrederic Thomas
Mar 13, 2015·Biology Letters·R PigeaultA Rivero
Nov 16, 2019·Parasitology·Frédéric ThomasBeata Ujvari
Jul 3, 2019·Parasites & Vectors·Aidan J O'DonnellSarah E Reece
Jan 11, 2017·Ecology and Evolution·Audrey ArnalFrédéric Thomas
May 4, 2018·Malaria Journal·Gediminas ValkiūnasTatjana A Iezhova
Dec 5, 2018·Oecologia·Flore ZéléSara Magalhães
Aug 8, 2020·The Science of the Total Environment·Audrey ArnalFrédéric Thomas

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