Gene networks involved in drought stress response and tolerance.
Plants respond to survive under water-deficit conditions via a series of physiological, cellular, and molecular processes culminating in stress tolerance. Many drought-inducible genes with various functions have been identified by molecular and genomic analyses in Arabidopsis, rice, and other plants, including a number of transcription factors that regulate stress-inducible gene expression. The products of stress-inducible genes function both in the initial stress response and in establishing plant stress tolerance. In this short review, recent progress resulting from analysis of gene expression during the drought-stress response in plants as well as in elucidating the functions of genes implicated in the stress response and/or stress tolerance are summarized. A description is also provided of how various genes involved in stress tolerance were applied in genetic engineering of dehydration stress tolerance in transgenic Arabidopsis plants.
Shinozaki
Kazuo
K
RIKEN Plant Science Center, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, 203-0045 Japan. sinozaki@rtc.riken.jp
Yamaguchi-Shinozaki
Kazuko
K
D000040:Abscisic Acid / Q000378:metabolism; D000222:Adaptation, Physiological / Q000235:genetics*; D017360:Arabidopsis / Q000378:metabolism*; D004190:Disasters; D020869:Gene Expression Profiling; D018506:Gene Expression Regulation, Plant; D012275:Oryza / Q000378:metabolism*; D010940:Plant Proteins / Q000235:genetics / Q000378:metabolism; D014867:Water / Q000378:metabolism*
D010940:Plant Proteins; D014867:Water; D000040:Abscisic Acid