BEAMing up for detection and quantification of rare sequence variants.

Li, Meng; Diehl, Frank; Dressman, Devin; Vogelstein, Bert; Kinzler, Kenneth W · Nat Methods · 2006

basic_science · Level V

Where this comes from

Abstract

BEAMing allows the one-to-one conversion of a population of DNA fragments into a population of beads. We used rolling circle amplification to increase the number of copies bound to such beads by more than 100-fold. This allowed enumeration of mutant and wild-type sequences even when they were present at ratios less than 1:10,000 and was sensitive enough to directly quantify the error rate of DNA polymerases used for PCR.

Medical subject headings