Genetic and morphological polymorphisms of Aedes scapularis (Diptera: Culicidae), vector of filariae and arboviruses

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dc.contributorLab. Parasitologiapt_BR
dc.contributor.authorPetersen, Vivianpt_BR
dc.contributor.authorSantana, Micaelpt_BR
dc.contributor.authorAlves, J. Marcelo P.pt_BR
dc.contributor.authorSuesdek, Lincolnpt_BR
dc.date.accessioned2021-12-23T14:25:20Z-
dc.date.available2021-12-23T14:25:20Z-
dc.date.issued2022pt_BR
dc.identifier.citationPetersen V, Santana M, Alves J.MP., Suesdek L. Genetic and morphological polymorphisms of Aedes scapularis (Diptera: Culicidae), vector of filariae and arboviruses. Infect. Genet. Evol. 2022 Jan;97:105193. doi:10.1016/j.meegid.2021.105193.pt_BR
dc.identifier.urihttps://repositorio.butantan.gov.br/handle/butantan/4059-
dc.description.abstractBackground Aedes scapularis is a neotropical mosquito that is competent to vector viruses and filariae. It is reputed to be highly morphologically and genetically polymorphic, facts that have raised questions about whether it is a single taxonomic entity. In the last five decades, authors have posed the hypothesis that it could actually be a species complex under incipient speciation. Due to its epidemiological importance, its taxonomic status should be determined with confidence. Aim and method Our objective was to investigate more deeply the polymorphism of Ae. scapularis to detect any evidence of incipient speciation of cryptic species. We then compared populational samples from the Southeastern, Northern and Northeastern regions of Brazil. The biological markers used in the comparison were: the complete mitochondrial DNA, the isolated mitochondrial gene cytochrome oxidase subunit I (COI) and wing geometry. Results and discussion As expected, high morphological/genetic polymorphism was observed in all Ae. scapularis populations, however it was not indicative of segregation or incipient speciation. There was no correlation between wing shape and the geographical origin of the populations analysed. A congruent observation resulted from the analysis of the COI gene, which revealed a high number of haplotypes (51) and no clusterization of populational samples according to the original biomes. In the phylogenetic analysis of the 13 mitochondrial protein-coding genes, the Ae. scapularis clade clustered with maximum support (100% bootstrap support and posterior probability of 1). No significant internal structure was observed in the Ae. scapularis clade, which was nearly a polytomy. Taken together, our results indicate that this species is not a species complex. Conclusion We conclude that there was no indication, in the analysed regions, of the occurrence of more than one taxon in the species Ae. scapularis, despite it being highly polymorphic. By ruling out the former species complex hypothesis, our phylogenetic results reinforce that Ae. scapularis is a single taxonomic unit and should be monitored with standardized surveillance and control methods.pt_BR
dc.description.sponsorship(CNPq) Conselho Nacional de Desenvolvimento Científico e Tecnológicopt_BR
dc.description.sponsorship(FAPESP) Fundação de Amparo à Pesquisa do Estado de São Paulopt_BR
dc.format.extent105193pt_BR
dc.language.isoEnglishpt_BR
dc.relation.ispartofInfection, Genetics and Evolutionpt_BR
dc.rightsOpen accesspt_BR
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/pt_BR
dc.titleGenetic and morphological polymorphisms of Aedes scapularis (Diptera: Culicidae), vector of filariae and arbovirusespt_BR
dc.typeArticlept_BR
dc.rights.licenseCC BY-NC-NDpt_BR
dc.identifier.doi10.1016/j.meegid.2021.105193pt_BR
dc.identifier.urlhttps://doi.org/10.1016/j.meegid.2021.105193pt_BR
dc.contributor.external(USP) Universidade de São Paulopt_BR
dc.identifier.citationvolume97pt_BR
dc.subject.keywordAedes scapularispt_BR
dc.subject.keywordCytochrome oxidase Ipt_BR
dc.subject.keywordGenetic polymorphismpt_BR
dc.subject.keywordWing geometric morphometricpt_BR
dc.subject.keywordSpecies complexpt_BR
dc.subject.keywordComplete mitochondrial DNApt_BR
dc.relation.ispartofabbreviatedInfect. Genet. Evolpt_BR
dc.identifier.citationabntv. 97, 105193, jan. 2022pt_BR
dc.identifier.citationvancouver2022 Jan;97:105193pt_BR
dc.contributor.butantanSuesdek, Lincoln|:Pesquisador|:Lab. Parasitologiapt_BR
dc.sponsorship.butantan(CNPq) Conselho Nacional de Desenvolvimento Científico e Tecnológicopt_BR
dc.sponsorship.butantan311984/2018-5pt_BR
dc.sponsorship.butantan(CNPq) Conselho Nacional de Desenvolvimento Científico e Tecnológicopt_BR
dc.sponsorship.butantan140032/2013-4pt_BR
dc.sponsorship.butantan(FAPESP) Fundação de Amparo à Pesquisa do Estado de São Paulopt_BR
dc.sponsorship.butantan#2013/14622-3pt_BR
dc.identifier.bvsccBR78.1pt_BR
dc.identifier.bvsdbIBProdpt_BR
dc.description.dbindexedYespt_BR
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item.languageiso639-1English-
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