Article
Mutation of the plastidial alpha-glucan phosphorylase gene in rice affects the synthesis and structure of starch in the endosperm.
The Plant cell - 1 Jul 2008
Satoh Hikaru, Shibahara Kensuke, Tokunaga Takashi, Nishi Aiko, Tasaki Mikako, Hwang Seon-Kap, Okita Thomas W, Kaneko Nanae, Fujita Naoko, Yoshida Mayumi, Hosaka Yuko, Sato Aya, Utsumi Yoshinori, Ohdan Takashi, Nakamura Yasunori
Abstract excerpt
Plastidial phosphorylase (Pho1) accounts for approximately 96% of the total phosphorylase activity in developing rice (Oryza sativa) seeds. From mutant stocks induced by N-methyl-N-nitrosourea treatment, we identified plants with mutations in the Pho1 gene that are deficient in Pho1. Strikingly, the size of mature seeds and the starch content in these mutants showed considerable variation, ranging from shrunken...
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