Genotyping and polymorphism analysis of cytochrome c oxidase subunit Ⅰ gene of Pomacea canaliculata from Lincang City in Yunnan Province

Zhongguo xue xi chong bing fang zhi za zhi = Chinese journal of schistosomiasis control
Zhang Cang-LinYang Ya-Ming

Abstract

To analyze the genetic diversity of Pomacea canaliculata based on the mitochondria DNA cytochrome c oxidase subunit Ⅰ (mtDNA COⅠ) gene as a molecular marker in Lincang City of Yunnan Province, so as to provide the scientific data for monitoring Angiostrongylus cantonensis in local areas. The genotypes and polymorphisms of 38 specimens of P. canaliculata collected from Mengding Town of Lincang City were analyzed by sequencing COⅠ gene. The phylogenetic tree and genetic distances were produced based on the haplotypes from GenBank and the present study by using the neighbourjoining method with the software MEGA version 6.06. Totally 31 sequences were acquired in the present study and they produced 3 unique haplotypes. Haplotype 1 showed a higher frequency compared to the others and it accounted for 83.9 % (26/31). The data showed that the least genetic distances ranged from 0 to 0.052 between P. canaliculata and 3 haplotypes, as well as the largest genetic distances ranged from 0.021 to 0.239 between Pila conica and 3 haplotypes. Otherwise, the analysis of the phylogenetic trees based on COⅠ gene sequences of P. canaliculata indicated that all of 3 haplotypes clustered into one big clade with that from Japan (GenBank accession num...Continue Reading

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