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Published on: December 7, 2016
A rapid and simple ABO genotype screening method using a novel B/O2 versus A/O2 discriminating nucleotide
1Blood Centre, University Hospital, Lund, Sweden.
Abstract:
An ABO genotype screening method discriminating the common alleles A1, A2, B, O1 and O2 at the ABO locus was made possible by the discovery of a novel nucleotide substitution (G1096A) present only in B and O2 alleles. A rapid and reliable single-tube approach using multiplex PCR with four primers amplifying exons 6 and 7 of the ABO genes followed by simultaneous addition of two restriction enzymes was developed and validated in a population of 150 Swedish blood donors. This technique is the most cost-efficient and informative ABO genotyping method reported to date.
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