First Description of the Mitogenome and Phylogeny of Culicinae Species from the Amazon Region
2021
Bruna Laís Sena do Nascimento | Fábio Silva da Silva | Joaquim Pinto Nunes-Neto | Daniele Barbosa de Almeida Medeiros | Ana Cecília Ribeiro Cruz | Sandro Patroca da Silva | Lucas Henrique da Silva e Silva | Hamilton Antônio de Oliveira Monteiro | Daniel Damous Dias | Durval Bertram Rodrigues Vieira | José Wilson Rosa | Roberto Carlos Feitosa Brandão | Jannifer Oliveira Chiang | Livia Carício Martins | Pedro Fernando da Costa Vasconcelos
The Culicidae family is distributed worldwide and comprises about 3587 species subdivided into the subfamilies Anophelinae and Culicinae. This is the first description of complete mitochondrial DNA sequences from Aedes fluviatilis, Aedeomyia squamipennis, Coquillettidia nigricans, Psorophora albipes, and Psorophora ferox. The mitogenomes showed an average length of 15,046 pb and 78.02% AT content, comprising 37 functional subunits (13 protein coding genes, 22 tRNAs, and two rRNAs). The most common start codons were ATT/ATG, and TAA was the stop codon for all PCGs. The tRNAs had the typical leaf clover structure, except tRNASer1. Phylogeny was inferred by analyzing the 13 PCGs concatenated nucleotide sequences of 48 mitogenomes. Maximum likelihood and Bayesian inference analysis placed Ps. albipes and Ps. ferox in the Janthinosoma group, like the accepted classification of Psorophora genus. Ae. fluviatilis was placed in the Aedini tribe, but was revealed to be more related to the Haemagogus genus, a result that may have been hampered by the poor sampling of Aedes sequences. Cq. nigricans clustered with Cq. chrysonotum, both related to Mansonia. Ae. squamipennis was placed as the most external lineage of the Culicinae subfamily. The yielded topology supports the concept of monophyly of all groups and ratifies the current taxonomic classification.
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