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Title: Tag/anti-tag liquid-phase primer extension array: A flexible and versatile genotyping platform
Authors: Li, J.-G.
Heng, C.-K. 
Liljedahl, U.
Keywords: Liquid-phase primer extension
Single nucleotide polymorphisms
Tag/anti-tag system
Two-color strategy
Issue Date: 2006
Citation: Li, J.-G., Heng, C.-K., Liljedahl, U. (2006). Tag/anti-tag liquid-phase primer extension array: A flexible and versatile genotyping platform. Genomics 87 (1) : 151-157. ScholarBank@NUS Repository.
Abstract: This study demonstrates an array-based platform to genotype simultaneously single nucleotide polymorphisms (SNPs) and some short insertions/deletions (indels) by the integration of the universal tag/anti-tag (TAT) system, liquid-phase primer extension (LIPEX), and a novel two-color detection strategy on an array format (TATLIPEXA). The TAT system permits a universal chip to be used for many applications, and the LIPEX simplifies the sample preparation but improves the sensitivity significantly. More importantly, all SNPs and some short indels can be interrogated in a single reaction with only two fluorescent ddNTPs. The concept of TATLIPEXA is demonstrated for nine SNPs (eight point mutations and one single-base insertion), and genotypes obtained show a remarkable concordance rate of 100% with both DNA sequencing and restriction fragment length polymorphism. Moreover, TATLIPEXA is able to provide quantitative information on allele frequency in pooled DNA samples, which could serve as a rapid screening tool for SNPs associated with diseases. © 2005 Elsevier Inc. All rights reserved.
Source Title: Genomics
ISSN: 08887543
DOI: 10.1016/j.ygeno.2005.09.009
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