Genetic Diversity of Taenia Asiatica from Thailand and Other Geographical Locations As Revealed by Cytochrome C Oxidase Subunit 1 Sequences

Overview

Journal Korean J Parasitol

Specialty Parasitology

Date 2013 Mar 8

PMID 23467439

Citations 4

Authors

Malinee Thairungroj Anantaphruti

Urusa Thaenkham

Dorn Watthanakulpanich

Orawan Phuphisut

Wanna Maipanich

Tippayarat Yoonuan

Supaporn Nuamtanong

Somjit Pubampen

Surapol Sanguankiat

Affiliations

Soon will be listed here.

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 diversity 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.

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