PMID- 22205791 OWN - NLM STAT- MEDLINE DCOM- 20120710 LR - 20211021 IS - 1098-660X (Electronic) IS - 0095-1137 (Print) IS - 0095-1137 (Linking) VI - 50 IP - 4 DP - 2012 Apr TI - Individual Plasmodium vivax msp1 variants within polyclonal P. vivax infections display different propensities for relapse. PG - 1449-51 LID - 10.1128/JCM.06212-11 [doi] AB - Using a newly developed Plasmodium vivax merozoite surface protein 1 gene (Pvmsp1) heteroduplex tracking assay, we genotyped 107 P. vivax infections in individuals from Cambodia, 45 of whom developed recurrent parasitemia within 42 days. The majority of isolates were polyclonal, but recurrent parasitemias displayed fewer variants compared to initial parasitemias. Two Pvmsp1 gene variants occurred more frequently in the initial genotypes of those who developed recurrent parasitemia, representing the first time P. vivax variants associated with a higher risk of relapse have been described. FAU - Lin, Jessica T AU - Lin JT AD - Division of Infectious Diseases, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA. jessica_lin@med.unc.edu FAU - Juliano, Jonathan J AU - Juliano JJ FAU - Kharabora, Oksana AU - Kharabora O FAU - Sem, Rithy AU - Sem R FAU - Lin, Feng-Chang AU - Lin FC FAU - Muth, Sinuon AU - Muth S FAU - Menard, Didier AU - Menard D FAU - Wongsrichanalai, Chansuda AU - Wongsrichanalai C FAU - Rogers, William O AU - Rogers WO FAU - Meshnick, Steven R AU - Meshnick SR LA - eng GR - 5T32AI0715132/AI/NIAID NIH HHS/United States GR - T32 AI007151/AI/NIAID NIH HHS/United States GR - AI076785/AI/NIAID NIH HHS/United States GR - R01 AI089819/AI/NIAID NIH HHS/United States GR - AI089819/AI/NIAID NIH HHS/United States GR - R01 AI089819-02/AI/NIAID NIH HHS/United States GR - R21 AI076785/AI/NIAID NIH HHS/United States PT - Journal Article PT - Research Support, N.I.H., Extramural PT - Research Support, U.S. Gov't, Non-P.H.S. DEP - 20120111 PL - United States TA - J Clin Microbiol JT - Journal of clinical microbiology JID - 7505564 RN - 0 (Merozoite Surface Protein 1) SB - IM MH - Genetic Variation MH - Genotype MH - Genotyping Techniques MH - Humans MH - Malaria, Vivax/diagnosis/*parasitology/prevention & control MH - Merozoite Surface Protein 1/*genetics MH - Molecular Typing MH - Plasmodium vivax/*genetics MH - Recurrence MH - Sensitivity and Specificity MH - Young Adult PMC - PMC3318509 EDAT- 2011/12/30 06:00 MHDA- 2012/07/11 06:00 PMCR- 2012/10/01 CRDT- 2011/12/30 06:00 PHST- 2011/12/30 06:00 [entrez] PHST- 2011/12/30 06:00 [pubmed] PHST- 2012/07/11 06:00 [medline] PHST- 2012/10/01 00:00 [pmc-release] AID - JCM.06212-11 [pii] AID - 06212-11 [pii] AID - 10.1128/JCM.06212-11 [doi] PST - ppublish SO - J Clin Microbiol. 2012 Apr;50(4):1449-51. doi: 10.1128/JCM.06212-11. Epub 2012 Jan 11.