Description of a new species of myxobolid parasite, Henneguya pindaibensis n. sp. (Cnidaria: Myxosporea), infecting the gills of Boulengerella cuvieri (Spix and Agassiz, 1829) from Brazil

Autor(es)

Ungari, Leticia Pereira ^[1] ; Vieira, Diego Henrique Mirandola Dias ^[1] ; de Alcantara, Edna Paulino ^[1] ; Emmerich, Enzo ^[1] ; Santos, Andre Luiz Quagliatto ^[2] ; da Silva, Reinaldo Jose ^[1] ; O'Dwyer, Lucia Helena ^[1]

Afiliação do(s) autor(es)

^[1] Sao Paulo State Univ UNESP, Inst Biosci, DBBVPZ, Sect Parasitol, Rua Prof Doutor Antonio Celso Wagner Zanin 250, BR-18618689 Botucatu, SP - Brazil

^[2] Univ Fed Uberlandia, Fac Med Vet, Lab Ensino & Pesquisa Anim Silvestres, Uberlandia, MG - Brazil

• Tipo de documento: Artigo Científico
• Fonte: Parasitology International; v. 83, AUG 2021.
• Citações Web of Science: 0

Resumo

Myxozoans are microscopic cnidarians that mainly parasitize fishes. The present study aimed to describe a new myxozoan parasite from the gills of Boulengerella cuvieri (Spix and Agassiz, 1829) by morphological and molecular analysis. The fish was collected in 2019 at the Pindaiba River, municipality of Cocalinho, Mato Grosso State, Brazil. Whitish and circular plasmodia were found in the primary gill filaments, occupying an intralamellar position, with an average of 0.5 mm in diameter. Henneguya The ` lohan, 1892 myxospores found inside the plasmodia were elongated and ellipsoidal, consisting of two long and elliptical shell valves with two long, tapering caudal appendages. Morphometric measurements revealed a total spore length of 36.1 +/- 2.0 mu m; spore body length of 12.8 +/- 0.5 mu m; spore width of 4.9 +/- 0.3 mu m; tail length of 23.3 +/- 1.6 mu m; capsule length of 7.2 +/- 0.4 mu m; capsule width of 1.5 +/- 0.2 mu m; and 10 coils in the polar filament. Phylogenetic analysis showed that the isolates from this study were grouped into the main-clade of freshwater fishes, within a group of species parasitizing fishes from Brazil. Intergenotypic difference ranged from 23%-25.9% compared with other Brazilian myxozoan isolates. Using molecular and morphological characterization, this parasite was identified as a new species of the genus Henneguya. (AU)

• Processo FAPESP: 18/00754-9 - Biodiversidade de hemoparasitos associados a anfíbios e répteis das regiões Centro-Oeste e Sudeste brasileiras
• Beneficiário: Letícia Pereira Úngari
• Modalidade de apoio: Bolsas no Brasil - Doutorado
• Processo FAPESP: 16/50377-1 - Taxonomia morfológica e molecular de helmintos parasitas de animais ectotérmicos no Brasil
• Beneficiário: Reinaldo José da Silva
• Modalidade de apoio: Auxílio à Pesquisa - Regular
• Processo FAPESP: 18/09623-4 - Biodiversidade de parasitos associados a anfíbios e répteis das regiões centro-oeste e sudeste brasileiras
• Beneficiário: Lucia Helena O'Dwyer de Oliveira
• Modalidade de apoio: Auxílio à Pesquisa - Regular
• Processo FAPESP: 19/19060-0 - Sistemática e distribuição de mixozoários coletados em peixes oriundos do Rio Pardo, médio Rio Paranapanema, São Paulo
• Beneficiário: Diego Henrique Mirandola Dias Vieira
• Modalidade de apoio: Bolsas no Brasil - Pós-Doutorado