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Molecular Phylogenetics of Centrocestus formosanus (Digenea: Heterophyidae) Originated from Freshwater Fish from Chiang Mai Province, Thailand
Article in English | WPRIM | ID: wpr-168708
Responsible library: WPRO
ABSTRACT
This study aimed to investigate the morphology and reconstruct the phylogenetic relationships of Centrocestus formosanus originating from 5 species of freshwater fish, i.e., Esomus metallicus, Puntius brevis, Anabas testudineus, Parambassis siamensis, and Carassius auratus, in Chiang Mai province, Thailand. Sequence-related amplified polymorphism (SRAP) and phylogeny based on internal transcribed spacer 2 (ITS2) and mitochondrial cytochrome c oxidase subunit 1 (CO1) were performed. The results showed similar morphologies of adult C. formosanus from day 5 after infection in chicks. C. formosanus originated from 4 species of freshwater fish had the same number of circumoral spines on the oral sucker, except for those from C. auratus which revealed 34 circumoral spines. The phylogenetic tree obtained from SRAP profile and the combination of ITS2 and CO1 sequence showed similar results that were correlated with the number of circumoral spines in adult worms. Genetic variability of C. formosanus also occurred in different species of freshwater fish hosts. However, more details of adult worm morphologies and more sensitive genetic markers are needed to confirm the species validity of C. formosanus with 34 circumoral spines originating from C. auratus in the future.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Phylogeny / Spine / Thailand / Trees / Humans / Goldfish / Genetic Markers / Electron Transport Complex IV / Adult / Fresh Water Country/Region as subject: Asia Language: English Journal: The Korean Journal of Parasitology Year: 2017 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Phylogeny / Spine / Thailand / Trees / Humans / Goldfish / Genetic Markers / Electron Transport Complex IV / Adult / Fresh Water Country/Region as subject: Asia Language: English Journal: The Korean Journal of Parasitology Year: 2017 Type: Article