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A novel superior factor widely controlling the rice grain quality Nature Precedings
Kao-Chih She; Hiroaki Kusano; Kazuyoshi Koizumi; Hiromoto Yamakawa; Makoto Hakata; Tomohiro Imamura; Masato Fukuda; Natsuka Naito; Yumi Tsurumaki; Ken'ichiro Matsumoto; Mari Kudoh; Eiko Itoh; Shoshi Kikuchi; Naoki Kishimoto; Junshi Yazaki; Tsuyu Ando; Masahiro Yano; Takashi Aoyama; Tadamasa Sasaki; Hikaru Satoh; Hiroaki Shimada.
Synthesis of storage starch and protein accumulation is the main action of endosperm organogenesis in term of the economic importance of rice. This event is strongly disturbed by abiotic stresses such as high temperature; thus, the upcoming global warming will cause a crisis with a great impact on food production^1,2^. The enzymes for the protein storage and starch synthesis pathway should work in concert to carry out the organogenesis of rice endosperm^3-5^, but the regulatory mechanism is largely unknown. Here we show that a novel regulatory factor, named OsCEO1, acts as the conductor of endosperm organogenesis during the rice grain filling stage. The physiological properties of _floury-endosperm-2_ (_flo2_) mutants showed many similarities to symptoms...
Tipo: Manuscript Palavras-chave: Plant Biology.
Ano: 2009 URL: http://precedings.nature.com/documents/3283/version/1
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