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Genetic diversity of Plasmodium falciparum histidine-rich protein 2 in the China-Myanmar border area
Li P. - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): Genetic diversity of Plasmodium falciparum histidine-rich protein 2 in the China-Myanmar border area
ผู้แต่ง / หัวหน้าโครงการ (EN): Li P.
บทคัดย่อ (EN): Deletion of the Plasmodium falciparum histidine-rich protein 2 (pfhrp2) gene may affect the performance of PfHRP2-based rapid diagnostic tests (RDTs). Here we investigated the genetic diversity of the pfhrp2 gene in clinical parasite isolates collected in recent years from the China-Myanmar border area. Deletion of pfhrp2 has been identified in 4 out of 97 parasite isolates. Sequencing of the pfhrp2 exon2 from 67 isolates revealed a high level of genetic diversity in pfhrp2, which is reflected in the presence of many repeat types and their variants, as well as variable copy numbers and different arrangements of these repeats in parasite isolates. In addition, we observed pfhrp3 deletion in three of the four parasites harboring pfhrp2 deletion, suggesting of double deletions of both genes in these three isolates. Analysis of two cases, which were P. falciparum-positive by microscopy and PCR but failed by two PfHRP2-based RDTs, did not find pfhrp2 deletion. Further correlational studies of pfhrp2 polymorphisms with detection sensitivity are needed to identify factors influencing the performance of RDTs in malaria-endemic areas. © 2015 Elsevier B.V.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เอกสารแนบ (EN): https://www.scopus.com/inward/record.uri?eid=2-s2.0-84940384985&doi=10.1016%2fj.actatropica.2015.08.003&partnerID=40&md5=5c9ae038c172efd8c18649c8d40455fa
เผยแพร่โดย (EN): มหาวิทยาลัยมหิดล
คำสำคัญ (EN): Sequence Deletion
เจ้าของลิขสิทธิ์ (EN): มหาวิทยาลัยมหิดล
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Genetic diversity of Plasmodium falciparum histidine-rich protein 2 in the China-Myanmar border area
Li P.
มหาวิทยาลัยมหิดล
ไม่ระบุวันที่เผยแพร่
Genetic diversity of plasmodium falciparum populations in malaria declining areas of Sabah, East Malaysia Microgeographically diverse Plasmodium vivax populations at the Thai-Myanmar border Use of insecticide-treated nets among pig owners living in Japanese encephalitis endemic areas of northern Myanmar Artemisinin-resistant Plasmodium falciparum malaria Differential roles of an Anopheline midgut GPI-anchored protein in mediating Plasmodium falciparum and Plasmodium vivax ookinete invasion Combinatorial Genetic Modeling of pfcrt-Mediated Drug Resistance Evolution in Plasmodium falciparum Diversifying selection on the thrombospondin-related adhesive protein (TRAP) gene of plasmodium falciparum in Thailand Genetic diversity of the Plasmodium vivax multidrug resistance 1 gene in Thai parasite populations Sequence variation in Plasmodium falciparum merozoite surface protein-2 is associated with virulence causing severe and cerebral malaria Characterization of plasmodium vivax early transcribed membrane protein 11.2 and exported protein 1
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