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Wiley InterScience

The Plant Journal

The Plant Journal

Volume 45 Issue 4, Pages 684 - 694

Published Online: 26 Jan 2006

Journal compilation © 2010 Blackwell Publishing Ltd and the Society for Experimental Biology



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TECHNIQUES FOR MOLECULAR ANALYSIS
TILLING: practical single-nucleotide mutation discovery
Luca Comai 1,* and Steven Henikoff 2
  1 Department of Biology, Box 355325, University of Washington, Seattle, WA 98195, USA, and
  2 Fred Hutchinson Cancer Research Center, 1100 Fairview Ave. N, Seattle, WA 98109, USA
Correspondence to   *(fax +1 206 685 1728; e-mail comai@u.washington.edu).
Copyright 2006 The Authors Journal compilation 2006 Blackwell Publishing Ltd
KEYWORDS
mutagenesis • polymorphism detection • mutation discovery • mismatch cleavage • gel electrophoresis

ABSTRACT

In the post-genomic sequencing era, an expanding portfolio of genomic technologies has been applied to the study of gene function. Reverse genetics approaches that provide targeted inactivation of genes identified by sequence analysis include TILLING (for Targeting Local Lesions IN Genomes). TILLING searches the genomes of mutagenized organisms for mutations in a chosen gene, typically single base-pair substitutions. This review covers practical aspects of the technology, ranging from building the mutagenized population to mutation discovery, and discusses possible improvements to current protocols and the impact of new genomic methods for mutation discovery in relation to the future of the TILLING approach.


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