Os03g0416200

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Annotated Information

Mutation

• Compared to the cortical Wber cell walls of the wild-type Kinmaze internodes showing uniform thickness with a smooth surface on the cytoplasmic side (Fig. 1c), the sclerenchyma secondary cell wall of the mutant internodes had uneven thickness with a rough surface on the cytoplasmic side, resulting in a mixture of thin layers and irregular architecture (Fig. 1c). Therefore, we deWned this novel mutant as the cell wall architecture1 (cwa1) mutant. The cwa1 mutant plant had similar growth to the wildtypeKinmaze plant (Fig. 1a) and showed a morphologicallynormal tissue structure (Fig. 1b). However, the mutantexhibited a brittle culm phenotype with dramaticallyreduced mechanical strength in its tissue (supplementalFigure S1), implying improper formation of the secondarycell wall.

Labs working on this gene

• Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei 184-8588, Japan
• College of Bioresource Science, Nihon University, 1866 Kameino, Fujisawa, Kanagawa 252-0880, Japan
• Forestry Research Institute, Oji Paper Co. Ltd, 24-9 Nobono-cho, Kameyama, Mie 519-0212, Japan
• Graduate School of Agriculture, Tokyo University of Agriculture and Technology, Fuchu 183-8538, Japan
• Graduate School of Agriculture, Hokkaido University, Sapporo 060-8589, Japan
• Bioscience and Biotechnology Center, Nagoya University, Nagoya 464-8601, Japan