Identification of adult worm of human small liver fluke in Nghe An and Dong Nai province
Nguyen Van De.
Journal of Practical Medicine
; : 13-16, 2005.
Artículo
en Vi
| WPRIM | ID: wpr-6428
Since 2002, adult worms of human small liver fluke in some provinces were identified by morphology and confirmed by molecular method as Clonorchis sinensis in Thanh Hoa, Ninh Binh, Nam Dinh and Bac Giang province; Opisthorchis viverrini in Phu Yen and Binh Dinh province. This study, using polymerase chain reaction (PCR), a portion of the cytochrome oxidase 1 (410 nucleotide and 136 amino acid) of mitochondrial genome of adult worms of small liver fluke from human in Nghe An (CsNA) and Dong Nai (CsDN) province were amplified. The nucleotide and amino acid of these sequences was comparatively analyzed with the known Clonorchis sinensis (Nam Dinh strain). The analysis revealed that the Nghe An Clonorchis sp and Dong Nai Clonorchis sp (in human) were homology (99.5 - 99.8% nucleotide) and similar (100% amino acid) to the Nam Dinh Clonorchis sinensis (identification was done). Thus, the Nghe An and Dong Nai Clonorchis sp were identified as Clonorchis sinensis in Opisthorchiidae family, Clonorchis genus.
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