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Characterization of the microbiome of Aedes albopictus populations in different habitats from Spain and São Tomé
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Orientador(es)
Resumo(s)
The mosquito microbiome significantly influences vector competence, including in Aedes albopictus, a globally invasive vector. Describing the microbiome and Wolbachia strains of Ae. albopictus from different regions can guide area-specific control strategies. Mosquito samples from Spain and São Tomé were analyzed using 16S rRNA gene sequencing and metagenomic sequencing. Wolbachia infection patterns were observed by sex and population. Female mosquitoes were blood-fed, a factor considered in analyzing their microbiota. Results revealed a dominance of dual Wolbachia infections, strains A and B, in the microbiome of both populations of Ae. albopictus, especially among females. Both populations shared a core microbiome, although 5 and 9 other genera were only present in Spain and São Tomé populations, respectively. Genera like Pelomonas and Nevskia were identified for the first time in Aedes mosquitoes. This study is the first to describe the Ae. albopictus bacteriome in Spain and São Tomé, offering insights for the development of targeted mosquito control strategies. Understanding the specific microbiome composition can help in designing more effective interventions, such as microbiome manipulation and Wolbachia-based approaches, to reduce vector competence and transmission potential of these mosquitoes.
Descrição
Funding Information: This work was initially conceived and designed during research stay of DBB at GHTM in 2019, as part of the Short-Term Scientific Missions (STSM) within the AIM-COST CA17108 Action. Subsequently, this study was funded by the Funda\u00E7\u00E3o para a Ci\u00EAncia e Tecnologia funding to GHTM-UID/04413/2020, LA-REAL-LA/P/0117/2020 and \u201ChealTh RIsk and social vulnerability to Arboviral Diseases in mainland Portugal\u201D (TRIAD)\u2014Ref. PTDC/GES-OUT/30210/2017. Publisher Copyright: © The Author(s) 2024.
Palavras-chave
Aedes albopictus Metagenomics Microbiome Mosquito control Vector competence Wolbachia General