Methods in Molecular Biology 2017 DOI: 10.1007/978-1-4939-7249-4_17

Generation of Loss-of-Function Mutants for Wheat Rust Disease Resistance Gene Cloning

Rohit Mago, Bradley Till, Sambasivam Periyannan, Guotai Yu, Brande B. H. Wulff, Evans Lagudah
Abstract: One of the most important tools to identify and validate rust resistance gene function is by producing loss-of-function mutants. Mutants can be produced using irradiation, chemicals, and insertions. Among all the mutagens, ethyl methanesulfonate (EMS) and sodium azide are most favored because of the ease of use and generation of random point mutations in the genome. The mutants so produced facilitate the isolation, identification and cloning of rust resistance genes. In this chapter we describe a protocol for seed mutagenesis of wheat with EMS and sodium azide.

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