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Title: Genetic diversity of plasmodium vivax merozoite surface protein-3alpha (Pvmsp-3alpha) gene in Jhapa District of Nepal.
Authors: Madhav Adhikari
Samir Ranjitkar
Mette Leth Schousboe
Michael Alifrangis
Mallika Imwong
Dwij Raj Bhatta
Megha Raj Banjara
Mahidol University
Keywords: Medicine
Issue Date: 1-Mar-2012
Citation: The Southeast Asian journal of tropical medicine and public health. Vol.43, No.2 (2012), 280-286
Abstract: In Nepal, Plasmodium vivax accounts for approximately 80-90% of the malaria cases, but limited studies have been conducted on the genetic diversity of this parasite population. This study was carried out to determine the genetic diversity of P. vivax population sampled from subjects living in an endemic area of Jhapa District by analyzing the polymorphic merozoite surface protein-3alpha (Pvmsp-3alpha) gene by using PCR-restriction fragment length polymorphism. Three distinct genotypes were obtained from 96 samples; type A: 40 (71%), type B: 7 (13%), and type C: 9 (16%) which could be categorized into 13 allelic patterns: A1-A9, B1, B2, C1 and C2. These results indicated a high genetic diversity within the studied P. vivax population. As the transmission rate of malaria is low in Nepal, the diversity is most likely due to migration of people between the malaria endemic regions, either within the country or between Nepal and India. Similar prevalence of the three genotypes of Pvmsp-3alpha between the two countries likely supports the latter explanation.
ISSN: 01251562
Appears in Collections:Scopus 2011-2015

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