title: Multiple genotypes of the merozoite surface proteins 1 and 2 in Plasmodium falciparum infections in a hypoendemic area in Iran.
abstract: In Iran, malaria transmission mainly occurs in south-eastern regions through both Plasmodium falciparum and P. vivax. The genetic diversity of P. falciparum isolates was analysed in 108 patients attending the regional hospital in Chabahar District, using the molecular markers msp1 and msp2. Multiple genotypes were detected in 87% of patients and the mean numbers of msp1 and msp2 genotypes were 2.51 (95% CI: 2.29-2.73) and 2.61 (95% CI: 2.39-2.83) respectively. Various allelic types of msp1 and msp2 were found, with msp2 3D7/IC type detected in 94% of infections. Plasmodium falciparum infections in south-east Iran appear to have a higher genetic diversity than expected for an area of low transmission. A situation of higher transmission in this area may be emerging, possibly because of reduced efficacy of first-line treatments.
authors.affiliation: Malaria Research Group, Pasteur Institute of Iran, Tehran, Iran. zakeris@yahoo.com
authors.forename: Sedigheh
authors.initials: S
authors.lastname: Zakeri
authors.forename: Sándor
authors.initials: S
authors.lastname: Bereczky
authors.forename: Parin
authors.initials: P
authors.lastname: Naimi
authors.forename: J
authors.initials: J
authors.lastname: Pedro Gil
authors.forename: Navid Dinparast
authors.initials: ND
authors.lastname: Djadid
authors.forename: Anna
authors.initials: A
authors.lastname: Färnert
authors.forename: Georges
authors.initials: G
authors.lastname: Snounou
authors.forename: Anders
authors.initials: A
authors.lastname: Björkman
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000483:Alleles; D000818:Animals; D000953:Antigens, Protozoan / Q000235:genetics*; D002648:Child; D002675:Child, Preschool; D019353:Endemic Diseases; D005260:Female; D014644:Genetic Variation / Q000235:genetics; D005838:Genotype; D006801:Humans; D007492:Iran / Q000453:epidemiology; D016778:Malaria, Falciparum / Q000453:epidemiology / Q000235:genetics*; D008297:Male; D020066:Merozoite Surface Protein 1 / Q000235:genetics*; D008875:Middle Aged; D010963:Plasmodium falciparum / Q000235:genetics; D011110:Polymorphism, Genetic / Q000235:genetics; D015800:Protozoan Proteins / Q000235:genetics*
chemical_list: D000953:Antigens, Protozoan; D020066:Merozoite Surface Protein 1; D015800:Protozoan Proteins; C065974:merozoite surface protein 2, Plasmodium