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Title: Genetic diversity of Taenia asiatica from Thailand and other geographical locations as revealed by cytochrome c oxidase subunit 1 sequences
Authors: Malinee Thairungroj Anantaphruti
Urusa Thaenkham
Dorn Watthanakulpanich
Orawan Phuphisut
Wanna Maipanich
Tippayarat Yoonuan
Supaporn Nuamtanong
Somjit Pubampen
Surapol Sanguankiat
Mahidol University
Keywords: Immunology and Microbiology;Medicine
Issue Date: 11-Mar-2013
Citation: Korean Journal of Parasitology. Vol.51, No.1 (2013), 55-59
Abstract: Twelve 924 bp cytochrome c oxidase subunit 1 (cox1) mitochondrial DNA sequences from Taenia asiatica isolates from Thailand were aligned and compared with multiple sequence isolates from Thailand and 6 other countries from the GenBank database. The genetic divergence of T. asiatica was also compared with Taenia saginata database sequences from 6 different countries in Asia, including Thailand, and 3 countries from other continents. The results showed that there were minor genetic variations within T. asiatica species, while high intraspecies variation was found in T. saginata. There were only 2 haplotypes and 1 polymorphic site found in T. asiatica, but 8 haplotypes and 9 polymorphic sites in T. saginata. Haplotype diversity was very low, 0.067, in T. asiatica and high, 0.700, in T. saginata. The very low genetic diver- sity suggested that T. asiatica may be at a risk due to the loss of potential adaptive alleles, resulting in reduced viability and decreased responses to environmental changes, which may endanger the species. 2013, Korean Society for Parasitology and Tropical Medicine.
ISSN: 17380006
Appears in Collections:Scopus 2011-2015

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