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Methods Mol Biol. 2015;1284:323-42. doi: 10.1007/978-1-4939-2444-8_16.

A user's guide to the Arabidopsis T-DNA insertion mutant collections.

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Genomic Analysis Laboratory, Salk Institute for Biological Studies, 10010 N. Torrey Pines Road, La Jolla, CA, 92037, USA,


The T-DNA sequence-indexed mutant collections contain insertional mutants for most Arabidopsis thaliana genes and have played an important role in plant biology research for almost two decades. By providing a large source of mutant alleles for in vivo characterization of gene function, this resource has been leveraged thousands of times to study a wide range of problems in plant biology. Our primary goal in this chapter is to provide a general guide to strategies for the effective use of the data and materials in these collections. To do this, we provide a general introduction to the T-DNA insertional sequence-indexed mutant collections with a focus on how best to use the available data sources for good line selection. As isolation of a homozygous line is a common next step once a potential disruption line has been identified, the second half of the chapter provides a step-by-step guide for the design and implementation of a T-DNA genotyping pipeline. Finally, we describe interpretation of genotyping results and include a troubleshooting section for common types of segregation distortions that we have observed. In this chapter we introduce both basic concepts and specific applications to both new and more experienced users of the collections for the design and implementation of small- to large-scale genotyping pipelines.

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