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Title: Role of the Arabidopsis glucose sensor HXK1 in nutrient, light, and hormonal signaling
Authors: Moore, B *
Zhou, Liang *
Rolland, Filip
Hall, Q
Cheng, WH
Liu, YX
Hwang, I
Jones, T
Sheen, J # ×
Issue Date: Apr-2003
Publisher: Amer assoc advancement science
Series Title: Science vol:300 issue:5617 pages:332-336
Abstract: Glucose modulates many vital processes in photosynthetic plants. Analyses of Arabidopsis glucose insensitive2 (gin2) mutants de. ne the physiological functions of a specific hexokinase (HXK1) in the plant glucose-signaling network. HXK1 coordinates intrinsic signals with extrinsic light intensity. HXK1 mutants lacking catalytic activity still support various signaling functions in gene expression, cell proliferation, root and in florescence growth, and leaf expansion and senescence, thus demonstrating the uncoupling of glucose signaling from glucose metabolism. The gin2 mutants are also insensitive to auxin and hypersensitive to cytokinin. Plants use HXK as a glucose sensor to interrelate nutrient, light, and hormone signaling networks for controlling growth and development in response to the changing environment.
URI: 
ISSN: 0036-8075
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Physiology of Plants and Micro-organisms Section - miscellaneous
Production Engineering, Machine Design and Automation (PMA) Section
* (joint) first author
× corresponding author
# (joint) last author

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