Annals of human biology · 2010
Restriction fragment length polymorphism (RFLP) of the X chromosome linked glucose-6-phosphate dehydrogenase (G6PD) locus in India.
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Chalvam Rati, Colah Roshan B, Mohanty Dipika, Ghosh Kanjaksha, Mukherjee Malay B
Аннотация
STUDY: Haplotypes linked to glucose-6-phosphate dehydrogenase (G6PD) genotypes were defined by studying six intragenic restriction fragment length polymorphisms (RFLPs) in 141 G6PD deficient and 252 normal chromosomes.
RESULTS: Only four of the 64 possible haplotypes were observed, indicating marked linkage disequilibrium. All the G6PD deficient mutations were associated with either haplotype I or VII, which are similar to the common G6PD B variant observed in the present study except the G6PD Namoru mutation which corresponded to mainly haplotype VIIa where a Nla III restriction site was created due to this mutation.
CONCLUSION: The limited number and low haplotype diversity probably indicates a strong selective pressure on the G6PD gene.
RESULTS: Only four of the 64 possible haplotypes were observed, indicating marked linkage disequilibrium. All the G6PD deficient mutations were associated with either haplotype I or VII, which are similar to the common G6PD B variant observed in the present study except the G6PD Namoru mutation which corresponded to mainly haplotype VIIa where a Nla III restriction site was created due to this mutation.
CONCLUSION: The limited number and low haplotype diversity probably indicates a strong selective pressure on the G6PD gene.