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Genetic Diversity of Circumsporozoite Surface Protein of Plasmodium vivax from the Central Highlands, Vietnam

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dc.contributor.authorTuan Cuong Vo-
dc.contributor.authorNguyen Thi Minh Trinh-
dc.contributor.authorHuong Giang Le-
dc.contributor.authorKang, Jung-Mi-
dc.contributor.authorYoo, Won Gi-
dc.contributor.authorHuynh Hong Quang-
dc.contributor.authorByoung-Kuk Na-
dc.date.accessioned2024-05-02T05:38:40Z-
dc.date.available2024-05-02T05:38:40Z-
dc.date.created2024-04-29-
dc.date.created2024-04-29-
dc.date.issued2022-10-
dc.identifier.citationPathogens, Vol.11 No.10, p. 1158-
dc.identifier.issn2076-0817-
dc.identifier.urihttps://hdl.handle.net/10371/200412-
dc.description.abstractThe circumsporozoite surface protein of Plasmodium vivax (PvCSP) plays a critical role in parasite biology. It has been extensively studied as a leading vivax-malaria-vaccine candidate. In this study, the genetic polymorphism and natural selection of pvcsp in P. vivax isolates collected from the Central Highlands, Vietnam were analyzed to understand the genetic structure of the parasite circulating in the endemic area and to provide baseline information for effective vaccine development based on the protein. Only two major alleles, VK210 and VK247, were detected in Vietnamese pvcsp, with VK247 being the predominant one. The N-terminal and C-terminal regions of Vietnamese VK210 and VK247 variants showed a low genetic diversity. Amino acid substitutions, insertions of a single amino acid or octapeptide (ANKKAEDA in VK210 and ANKKAGDA in VK247), and tetrapeptide repeat motifs (GGNA) were the main factors generating genetic diversity in the two regions of the Vietnamese VK210 and VK247 variants. Interestingly, these two regions of Vietnamese pvcsp displayed a unique natural selection pressure distinct from global pvcsp, particularly with the neighboring Southeast Asian pvcsp population. Meanwhile, the central repeat region (CRR) in both the VK210 and VK247 variants showed a high degree of polymorphic characters, caused by varying numbers, types, and combinations of peptide repeat motifs (PRMs) in Vietnamese pvcsp. Highly complicated polymorphic patterns of the CRR were also detected in global pvcsp. These results expand our understanding of the genetic structure of Vietnamese pvcsp and the population dynamics of P. vivax in the Central Highlands, Vietnam.-
dc.language영어-
dc.publisherMDPI AG-
dc.titleGenetic Diversity of Circumsporozoite Surface Protein of Plasmodium vivax from the Central Highlands, Vietnam-
dc.typeArticle-
dc.identifier.doi10.3390/pathogens11101158-
dc.citation.journaltitlePathogens-
dc.identifier.wosid000873434300001-
dc.identifier.scopusid2-s2.0-85140583853-
dc.citation.number10-
dc.citation.startpage1158-
dc.citation.volume11-
dc.description.isOpenAccessY-
dc.contributor.affiliatedAuthorYoo, Won Gi-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.subject.keywordPlusMALARIA-
dc.subject.keywordPlusFALCIPARUM-
dc.subject.keywordPlusPOLYMORPHISM-
dc.subject.keywordPlusINFECTIONS-
dc.subject.keywordPlusVK210-
dc.subject.keywordAuthorPlasmodium vivax-
dc.subject.keywordAuthorVietnam-
dc.subject.keywordAuthorcircumsporozoite surface protein-
dc.subject.keywordAuthorgenetic polymorphism-
dc.subject.keywordAuthornatural selection-
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  • College of Veterinary Medicine
  • Department of Veterinary Medicine
Research Area Microbiology, Parasitology, Tropical Medicine

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