A study of the genomic diversity of Plasmodium falciparum in Senegal. 2. Typing by the use of the polymerase chain reaction
- PMID: 1684263
- DOI: 10.1016/0001-706x(91)90080-4
A study of the genomic diversity of Plasmodium falciparum in Senegal. 2. Typing by the use of the polymerase chain reaction
Abstract
The genomic polymorphism of Plasmodium falciparum was investigated in a series of samples collected in Senegal during one transmission season. PCR analysis was performed on several genes coding for blood-stage antigens: the gene for the major merozoite surface antigen P190, the gene for the second merozoite surface antigen MSA2 and the gene coding for antigen 96tR/GBP130. In each case, several distinct forms of the genes studied were observed. Both the MAD20 and K1 allelic families of P190 genes were observed. PCR analysis of a single variable region did not differentiate each isolate. However, when the data obtained for several markers are combined, each isolate had a specific genotype. Thus, using PCR to study in parallel several loci is a useful tool to genetically type strains.
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