Abstract:
:The mRNA for the Duffy blood group antigen, the erythrocyte receptor for the Plasmodium vivax malaria parasite, has recently been cloned and shown to encode a widely expressed chemokine receptor. Here, we show that the Duffy antigen/chemokine receptor gene (DARC) is composed of a single exon and that most Duffy-negative blacks carry a silent FY*B allele with a single T to C substitution at nucleotide -46. This mutation impairs the promoter activity in erythroid cells by disrupting a binding site for the GATA1 erythroid transcription factor. With the recent characterization of the FY*A and FY*B alleles, these findings provide the molecular basis of the Duffy blood group system and an explanation for the erythroid-specific repression of the DARC gene in Duffy-negative individuals.
journal_name
Nat Genetjournal_title
Nature geneticsauthors
Tournamille C,Colin Y,Cartron JP,Le Van Kim Cdoi
10.1038/ng0695-224subject
Has Abstractpub_date
1995-06-01 00:00:00pages
224-8issue
2eissn
1061-4036issn
1546-1718journal_volume
10pub_type
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