Author(s): Negrelli, Débora C. [UNESP] ; Vieira, Diego H. M. D. [UNESP] ; Abdallah, Vanessa D. ; Azevedo, Rodney K.
Date: 2020
Persistent ID: http://hdl.handle.net/11449/200934
Origin: Oasisbr
Subject(s): Biodiversity; Digenea; Proterodiplostomidae; Siluriformes; Biodiversity; Biodiversity; Digenea; Digenea; Proterodiplostomidae; Proterodiplostomidae; Siluriformes; Siluriformes
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Universidade Estadual Paulista
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
The trematodes have developed several adaptations and strategies to complete their life cycle in the intermediate host, without even reaching the definitive host. Thus, metacercariae through progeny can produce viable eggs by self-fertilization in the second intermediate host. We analyzed 30 specimens of Rhamdia quelen Quoy & Gaimard 1824 (Siluriformes, Heptapteridae) collected in the Jacaré-Pepira River, Ibitinga. Among the specimens analyzed, only one host was parasitized by the progenetic metacercariae of Crocodilicola pseudostoma Willemoes-Suhm 1870 (Digenea: Proterodiplostomidae) presenting prevalence of 3.3%, mean intensity of 68.0 ± 12.4 and mean abundance of 2.3 ± 0.4. This is the first record of progenesis in the metacercariae of C. pseudostoma in the Jacaré-Pepira River, as well as the first partial sequence of COI gene obtained from this species in Brazil.
Universidade Estadual Paulista “Júlio de Mesquita Filho”/UNESP Instituto de Biociências Departamento de Bioestatística Biologia Vegetal Parasitologia e Zoologia Setor Parasitologia, Rua Prof. Dr. Antônio Celso Wagner Zanin, 250
Centro Universitário CESMAC, Rua Prof. Ângelo Neto, 50
Universidade Estadual Paulista “Júlio de Mesquita Filho”/UNESP Instituto de Biociências Departamento de Bioestatística Biologia Vegetal Parasitologia e Zoologia Setor Parasitologia, Rua Prof. Dr. Antônio Celso Wagner Zanin, 250
FAPESP: 2015/24901-2
FAPESP: 2016/015873
