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Título: | Effects of Mosquito Microbiota on the Survival Cost and Development Success of Avian Plasmodium |
Autor: | Martínez de la Puente, Josué CSIC ORCID; Gutiérrez-López, Rafael; Díez-Fernández, Alazne CSIC ORCID; Soriguer, Ramón C. CSIC ORCID CVN ; Figuerola, Jordi CSIC ORCID | Palabras clave: | Culex pipiens Ecology-diseases Malaria Microbiome Parasite transmission Vector-borne pathogens Virulence |
Fecha de publicación: | 2021 | Editor: | Frontiers Media | Citación: | Frontiers in Microbiology, 11: 62220 (2021) | Resumen: | Both intrinsic and extrinsic factors affect the capacity of mosquitoes for the transmission of vector-borne pathogens. Among them, mosquito microbiota may play a key role determining the development of pathogens in mosquitoes and the cost of infections. Here, we used a wild avian malaria-mosquito assemblage model to experimentally test the role of vector microbiota on the cost of infection and their consequences for parasite development. To do so, a cohort of Culex pipiens mosquitoes were treated with antibiotics, including gentamicin sulfate and penicillin-streptomycin, to alter their microbiota, and other cohort was treated with sterilized water as controls. Subsequently, both cohorts were allowed to feed on Plasmodium infected or uninfected house sparrows (Passer domesticus). The antibiotic treatment significantly increased the survival rate of mosquitoes fed on infected birds while this was not the case of mosquitoes fed on uninfected birds. Additionally, a higher prevalence of Plasmodium in the saliva of mosquitoes was found in antibiotic treated mosquitoes than in mosquitoes of the control group at 20 days post exposure (dpe). Analyses of the microbiota of a subsample of mosquitoes at 20 dpe suggest that although the microbiota diversity did not differ between individuals of the two treatments, microbiota in control mosquitoes had a higher number of unique features and enriched in biochemical pathways related to the immune system than antibiotic treated ones. In sum, this study provides support for the role of mosquito microbiota on mosquito survival and the presence of parasite DNA in their saliva | Versión del editor: | https://doi.org/10.3389/fmicb.2020.562220 | URI: | http://hdl.handle.net/10261/226691 | DOI: | 10.3389/fmicb.2020.562220 |
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