First morphological and molecular identification of third-stage larvae of Anisakis typica (Nematoda : Anisakidae) from marine fishes in Vietnamese water

© 2021 Authors.

Bibliographische Detailangaben
Veröffentlicht in:Journal of nematology. - 1969. - 53(2021) vom: 09.
1. Verfasser: Van Hien, Hoang (VerfasserIn)
Weitere Verfasser: Thi Dung, Bui, Ngo, Ha Duy, Doanh, Pham Ngoc
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Journal of nematology
Schlagworte:Journal Article Anisakid larvae Intermediate fish host Molecular analyzes Morphology Vietnam
Beschreibung
Zusammenfassung:© 2021 Authors.
Anisakid nematodes are parasites of cetaceans, their larval stages live in marine fishes. The third-stage larvae of some Anisakis species are also the etiological agents of human anisakiasis caused by consumption of raw or undercooked infected fish. Thus, identification of Anisakis larvae at the species level is crucial for their ecology and epidemiology. In Vietnam, although Anisakis larvae have been reported, they have not been identified to the species level. The aim of this study was, therefore, to identify third-stage larvae of Anisakis collected from marine fishes in Vietnamese water, based on morphological characteristics and molecular analysis. All Anisakis larvae found in this study were morphologically similar to each other and identical to Anisakis typica. In addition, molecular analysis based on ITS1-5.8S-ITS2 sequences confirmed them as A. typica. Vietnamese A. typica population was genetically close to those from Asian countries and Australia. The third-stage larvae of A. typica were collected from eight fish species from three localities in the South of Vietnam. Among them, seven were recorded as new intermediate hosts of A. typica. This is the first identification of A. typica larvae in Vietnamese water with records of new fish hosts
Beschreibung:Date Revised 17.04.2021
published: Electronic-eCollection
Citation Status PubMed-not-MEDLINE
ISSN:0022-300X
DOI:10.21307/jofnem-2021-010