Morphological and molecular data on Phyllodistomum (Digenea: Gorgoderidae) from Brazil, with the description of a new species parasitizing Hoplias malabaricus (Bloch, 1794) (Osteichthyes, Erythrinidae)
Por:
Dias K.G.A., Pérez-Ponce De León G., da Silva, R. J., Vieira D.H.M.D., Leite L.A.R., de Azevedo, R. K., Abdallah, V. D.
Publicada:
24 ago 2023
Resumen:
Phyllodistomum pepirense n. sp. is described from the urinary bladder of
Hoplias malabaricus (Bloch, 1794), sampled in the Jacare-Pepira River in
Sao Paulo state, Brazil. The isolates of the new species were recovered
as a monophyletic group in the phylogenetic analysis of the 28S rRNA
gene, which showed the new species as the sister taxa of Phyllodistomum
virmantasi Pinacho-Pinacho, Sereno-Uribe, Hernandez-Orts, Garcia-Varela
& Perez-Ponce de Leon, 2021, a species sampled from an eleotrid fish in
Southeastern Mexico. The new species differs morphologically from P.
virmantasi by having a larger body size, slightly lobed testes and
ovary, a mostly intercaecal uterus, slightly diverticulated caeca, and
vitelline masses irregularly shaped. The new species is also readily
distinguished from other species of Phyllodistomum Braun, 1899 reported
from freshwater fishes in Brazil - namely, P. rhamdiae Amato & Amato,
1993 and P. spatula Odhner, 1902. The new species is herein described
based on morphological characteristics, molecular data from D1-D3
domains of the 28S rRNA gene, host association, and geographical
distribution.
Filiaciones:
Departamento de Parasitologia, Universidade Estadual Paulista (UNESP), Instituto de Biociências, Botucatu, São Paulo, Brazil
Escuela Nacional de Estudios Superiores Unidad Mérida, Instituto de Biología, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
Centro Universitário CESMAC, Maceió, Alagoas, Brazil
Setor de Patologia e Parasitologia, Universidade Federal de Alagoas (UFAL), Instituto de Ciências Biológicas e da Saúde, Maceió, Alagoas, Brazil
Univ Estadual Paulista UNESP, Inst Biociencias, Dept Parasitol, Botucatu, SP, Brazil
Univ Nacl Autonoma Mexico, Escuela Nacl Estudios Super, Unidad Merida, Ciudad De Mexico, Mexico
Univ Nacl Autonoma Mexico, Inst Biol, Ciudad De Mexico, Mexico
Ctr Univ CESMAC, Maceio, AL, Brazil
Univ Fed Alagoas UFAL, Inst Ciencias Biol & Saude, Setor Patol & Parasitol, Maceio, AL, Brazil
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