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Suppression of the rice heterotrimeric G protein β-subunit gene, RGB1, causes dwarfism and browning of internodes and lamina joint regions.

The Plant journal : for cell and molecular biology - 1 Sept 2011

Utsunomiya Yuzuko, Samejima Chihiro, Takayanagi Yoshiyuki, Izawa Yuki, Yoshida Takahisa, Sawada Yuka, Fujisawa Yukiko, Kato Hisaharu, Iwasaki Yukimoto

Abstract excerpt

In the present study, we investigated the function of the heterotrimeric G protein β-subunit (Gβ) gene (RGB1) in rice. RGB1 knock-down lines were generated in the wild type and d1-5, a mutant deficient for the heterotrimeric G protein α-subunit (Gα) gene (RGA1). Both transgenic lines showed browning of the lamina joint regions and nodes that could be attributed to a reduction of RGB1 function, as the abnormality...

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PMID: 21585570
DOI: 10.1111/j.1365-313X.2011.04643.x

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