An Arabidopsis short root and dwarfism Mutant Defines a Novel Locus That Mediates Both Cell Division and Elongation
2006
Lee, H.K. (Seoul National University, Seoul, Republic of Korea) | Kwon, M. (Seoul National University, Seoul, Republic of Korea) | Jeon, J.H. (Seoul National University, Seoul, Republic of Korea) | Fujioka, Shozo (RIKEN (The Institute of Physical and Chemical Research), Saitama, Japan) | Kim, H.B. (Seoul National University, Seoul, Republic of Korea) | Park, S.Y. (Korea Forest Research Institute, Suwon, Republic of Korea) | Takatsuto, Suguru (Joetsu University of Education, Niigata, Japan) | Yoshida, Shigeo (RIKEN (The Institute of Physical and Chemical Research), Saitama, Japan) | Lee, I.H. (Seoul National University, Seoul, Republic of Korea) | An, C.S. (Seoul National University, Seoul, Republic of Korea) | Choe, S.H. (Seoul National University, Seoul, Republic of Korea), E-mail: [email protected]
Arabidopsis leaf morphology is determined by the coordinated action of cell division and elongation. Of all the hormones that control leaf shape, the brassinosteroids (BRs) are active components in this process. BRs are a group of plant-originated steroidal compounds that induce growth along the long axes of organs. Here, we report the isolation and characterization of a novel mutant, short root and dwarfism (srd). Its dwarf phenotype includes round and curled leaves, reduced fertility, and short hypocotyls in the light and dark.
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