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Generating Photoperiod-Sensitive Genic Male Sterile Rice Lines with CRISPR/Cas9
Weihang Gu1, Dabing Zhang1,2, Yiping Qi3,4
1State Key Laboratory of Hybrid Rice, Shanghai Jiao Tong University-University of Adelaide Joint Centre for Agriculture and Health, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China.
Abstract:
Obtaining photoperiod-sensitive genic male sterility (PGMS) lines is one of the most important steps in two-line hybrid rice breeding. Traditionally, such lines were screened and developed with a classic rice breeding system under both long-day and short-day conditions. The isolation and backcross process used for this could easily last for more than 3 years with a very low success rate. Here, we describe a straightforward method for generating csa-based PGMS lines by using the CRISPR-Cas9 technology in rice.
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