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Green revolution: a mutant gibberellin-synthesis gene in rice 总被引:36,自引:0,他引:36
Sasaki A Ashikari M Ueguchi-Tanaka M Itoh H Nishimura A Swapan D Ishiyama K Saito T Kobayashi M Khush GS Kitano H Matsuoka M 《Nature》2002,416(6882):701-702
The chronic food shortage that was feared after the rapid expansion of the world population in the 1960s was averted largely by the development of a high-yielding semi-dwarf variety of rice known as IR8, the so-called rice 'green revolution'. The short stature of IR8 is due to a mutation in the plant's sd1 gene, and here we identify this gene as encoding an oxidase enzyme involved in the biosynthesis of gibberellin, a plant growth hormone. Gibberellin is also implicated in green-revolution varieties of wheat, but the reduced height of those crops is conferred by defects in the hormone's signalling pathway. 相似文献
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