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Genetic diversity of the Plasmodium vivax multidrug resistance 1 gene in Thai parasite populations
Kittichai V. - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): Genetic diversity of the Plasmodium vivax multidrug resistance 1 gene in Thai parasite populations
ผู้แต่ง / หัวหน้าโครงการ (EN): Kittichai V.
บทคัดย่อ (EN): Plasmodium vivax resistance to chloroquine (CQ) was first reported over 60 years ago. Here we analyzed sequence variations in the multidrug resistance 1 gene (Pvmdr1), a putative molecular marker for P. vivax CQ resistance, in field isolates collected from three sites in Thailand during 2013–2016. Several single nucleotide polymorphisms previously implicated in reduced CQ sensitivity were found. These genetic variations encode amino acids in the two nucleotide-binding domains as well as the transmembrane domains of the protein. The high level of genetic diversity of Pvmdr1 provides insights into the evolutionary history of this gene. Specifically, there was little evidence of positive selection at amino acid F1076L in global isolates to be promoted as a possible marker for CQ resistance. Population genetic analysis clearly divided the parasites into eastern and western populations, which is consistent with their geographical separation by the central malaria-free area of Thailand. With CQ-primaquine remaining as the frontline treatment for vivax malaria in all regions of Thailand, such a population subdivision could be shaped and affected by the current drugs for P. falciparum since mixed P. falciparum/P. vivax infections often occur in this region. © 2018 Elsevier B.V.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เอกสารแนบ (EN): https://www.scopus.com/inward/record.uri?eid=2-s2.0-85049316715&doi=10.1016%2fj.meegid.2018.06.027&partnerID=40&md5=0c76753293b0ff218526b7a2d354edc3
เผยแพร่โดย (EN): มหาวิทยาลัยมหิดล
คำสำคัญ (EN): Thailand
เจ้าของลิขสิทธิ์ (EN): มหาวิทยาลัยมหิดล
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Genetic diversity of the Plasmodium vivax multidrug resistance 1 gene in Thai parasite populations
Kittichai V.
มหาวิทยาลัยมหิดล
ไม่ระบุวันที่เผยแพร่
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