Artículo
First record of the genus choledocystus (Trematoda: Plagiorchiidae) for amphibians of the chacoan region in argentina
Hamann, Mónika Inés
; León Règagnon, Virginia; Fernández, María Virginia
; Gonzalez, Cynthya Elizabeth
Fecha de publicación:
04/2020
Editorial:
Academia Brasileira de Ciencias
Revista:
Anais da Academia Brasileira de Ciencias
ISSN:
0001-3765
e-ISSN:
1678-2690
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
This is the first record of the trematode Choledocystus incurvatum and Choledocystus elegans in Argentinean amphibians collected in two localities of the Chacoan region. The first trematode species was found infecting the small intestine of Pseudis paradoxa Linnaeus, captured near the city of Corrientes, Corrientes Province; the second species was found infecting the gall-bladder of Lepidobatrachus laevis Budgget, captured in Ingeniero Juárez, Formosa Province. Morphology of these species was studied in detail using light microscopy and scanning electron microscopy (SEM), and compared with previous studies of Brazilian and Venezuelan specimens. Morphological descriptions of these parasites are provided to supplement existing data. Choledocystus incurvatum was characterized using molecular methods by sequencing and analyzing rDNA. Regarding metric characters of C. incurvatum, the Argentinean specimens show some differences in body and egg size (some larger than Venezuelan specimens). For C. elegans the specimen shows smaller body size than Brazilian specimens. SEM observations of C. incurvatum showed tegument covered with triangular spines and confirmed presence of a sucker-like structure around the genital atrium. The morphological and genetic data on C. incurvatum contribute to a more thorough diagnosis of the genus. Moreover, this report represents the first occurrence of this genus in the Argentine Chacoan region.
Palabras clave:
AMPHIBIANS
,
ARGENTINA
,
CHACOAN REGION
,
CHOLEDOCYSTUS
,
TREMATODA
Archivos asociados
Licencia
Identificadores
Colecciones
Articulos(CECOAL)
Articulos de CENTRO DE ECOLOGIA APLICADA DEL LITORAL (I)
Articulos de CENTRO DE ECOLOGIA APLICADA DEL LITORAL (I)
Citación
Hamann, Mónika Inés; León Règagnon, Virginia; Fernández, María Virginia; Gonzalez, Cynthya Elizabeth; First record of the genus choledocystus (Trematoda: Plagiorchiidae) for amphibians of the chacoan region in argentina; Academia Brasileira de Ciencias; Anais da Academia Brasileira de Ciencias; 92; 1; 4-2020; 1-10
Compartir
Altmétricas