The Serine Proteinase Inhibitor OsSerpin Is a Potent Tillering Regulator in Rice
2007
Yeu, S.Y. (Seoul National University, Seoul, Republic of Korea) | Park, B.S. (Seoul National University, Seoul, Republic of Korea) | Sang, W.G. (Seoul National University, Seoul, Republic of Korea) | Choi, Y.D. (Seoul National University, Seoul, Republic of Korea) | Kim, M.C. (Gyeongsang National University, Jinju, Republic of Korea) | Song, J.T. (Kyungpook National University, Daegu, Republic of Korea) | Paek, N.C. (Seoul National University, Seoul, Republic of Korea) | Koh, H.J. (Seoul National University, Seoul, Republic of Korea) | Seo, H.S. (Seoul National University, Seoul, Republic of Korea), E-mail: seohs@snu.ac.kr
Tillering in rice (Oryza sativa L.) is an important agronomic trait that enhances grain production. A tiller is a specialized grain-bearing branch that is formed on a non-elongated basal internode that grows independently of the mother stem. Transgenic rice over-expressing the transcription factor OsTB1, a homologue of maize TB1 (Teosinte Branched 1), exhibits markedly reduced lateral branching without the propagation of axillary buds being affected. However, the tillering mechanism remains unknown. Therefore, to further understand that mechanism, we applied proteomics methodology to isolate the proteins involved.
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