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Constitutively wilted 1, a member of the rice YUCCA gene family, is required for maintaining water homeostasis and an appropriate
 

Summary: Constitutively wilted 1, a member of the rice YUCCA gene family,
is required for maintaining water homeostasis and an appropriate
root to shoot ratio
Young-Min Woo Hee-Jin Park Mukhamad Su'udi
Jung-Il Yang Jong-Jin Park Kyoungwhan Back
Yong-Mok Park Gynheung An
Received: 27 March 2007 / Accepted: 13 June 2007 / Published online: 6 July 2007
Springer Science+Business Media B.V. 2007
Abstract Increasing its root to shoot ratio is a plant
strategy for restoring water homeostasis in response to the
long-term imposition of mild water stress. In addition to its
important role in diverse fundamental processes, indole-3-
acetic acid (IAA) is involved in root growth and develop-
ment. Recent extensive characterizations of the YUCCA
gene family in Arabidopsis and rice have elucidated that
member's function in a tryptophan-dependent IAA bio-
synthetic pathway. Through forward- and reverse-genetics
screening, we have isolated Tos17 and T-DNA insertional
rice mutants in a CONSTITUTIVELY WILTED1 (COW1)
gene, which encodes a new member of the YUCCA protein

  

Source: An, Gynheung - Department of Life Science, Pohang University of Science and Technology

 

Collections: Biotechnology; Biology and Medicine