Article
Ion-beam irradiation, gene identification, and marker-assisted breeding in the development of low-cadmium rice.
Proceedings of the National Academy of Sciences of the United States of America - 20 Nov 2012
Ishikawa Satoru, Ishimaru Yasuhiro, Igura Masato, Kuramata Masato, Abe Tadashi, Senoura Takeshi, Hase Yoshihiro, Arao Tomohito, Nishizawa Naoko K, Nakanishi Hiromi
Abstract excerpt
Rice (Oryza sativa L.) grain is a major dietary source of cadmium (Cd), which is toxic to humans, but no practical technique exists to substantially reduce Cd contamination. Carbon ion-beam irradiation produced three rice mutants with <0.05 mg Cd⋅kg(-1) in the grain compared with a mean of 1.73 mg Cd⋅kg(-1) in the parent, Koshihikari. We identified the gene responsible for reduced Cd uptake and developed a...
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