Complete mitochondrial genome of Metathelazia capsulata (Pneumospiruridae) and comparison with other Spiruromorpha species
2023
Aleix-Mata, Gaël | Arcenillas Hernández, Irene | Ruiz de Ybáñez Carnero, M. Rocio | Martínez Carrasco-Pleite, Carlos | Montiel, Eugenia | Sánchez, Antonio | Facultades, Departamentos, Servicios y Escuelas::Departamentos de la UMU::Sanidad Animal
© 2023 The authors This document is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0 This document is the published version of a published work that appeared in final form in Parasitology Research To access the final edited and published work see: https://doi.org/10.1007/s00436-023-08035-7
Show more [+] Less [-]Metathelazia capsulata (family Pneumospiruridae) is a lungworm parasitizing the bronchi and bronchioles, described in four species of wild carnivores. Very little molecular data are available on this nematode and none on other species of the Pneumospiruridae family. In this work, we describe for the first time the complete mitogenome (mitochondrial genome) of M. capsulata, being the first described of the family Pneumospiruridae. The mitogenome of M. capsulata has 13,659 bp in length, an A + T content of 79.2%. The mitogenome included 12 protein-coding genes (PCGs) (lacking the atp8 gene), 22 tRNA genes, 2 rRNA genes (all the genes are coded by the heavy strand), and an AT-rich region. The PCGs varied in size (232 bp-1645 bp). Only the tRNA-Trp has the standard cloverleaf secondary structure, while the other 21 do not. The AT-rich region, with a 90.5% A + T content and a length of 389 bp, is located between the cox3 and tRNA-Ala genes. Comparison with the mitogenomes of 29 species of Spiruromorpha infraorder, belonging to different families, demonstrates that M. capsulata mitogenome shared the common characteristics of most of them. The phylogeny constructions yielded phylogenies that were in agreement with the obtained previously by using sequences and gene order data of mitogenomes
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