Korean J Parasitol.
2002 Sep;40(3):157-162. 10.3347/kjp.2002.40.3.157.
Apical membrane antigen-1 (AMA-1) gene sequences of re-emerging Plasmodium vivax in South Korea
- Affiliations
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- 1Department of Parasitology, Seoul National University College of Medicine, and Institute of Endemic Diseases, Seoul National University Medical Research Center, Seoul, Korea.
- 2Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea.
- KMID: 1720460
- DOI: http://doi.org/10.3347/kjp.2002.40.3.157
Abstract
- Plasmodium vivax malaria re-emerged in South Korea in 1993, and epidemics continue since then. We examined genetic variation in the region encompassing the apical membrane antigen-1 (PvAMA-1) of the parasites by DNA sequencing of the 22 re-emerging P. vivax isolates. The genotype of the PvAMA-1, which was based on sequence data previously reported for the polymorphic regions, showed that two haplotypes were present at one polymorphic site. Compared with reported data, the two types, SKOR type I and type II, were similar to Chinese CH-10A and CH-05A isolates, respectively. Thus, the present study showed that two genotypes of AMA-1 genes coexist in the re-emerging Korean P. vivax.
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