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      Gene networks involved in drought stress response and tolerance.

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          Abstract

          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.

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          Author and article information

          Journal
          J Exp Bot
          Journal of experimental botany
          Oxford University Press (OUP)
          0022-0957
          0022-0957
          2007
          : 58
          : 2
          Affiliations
          [1 ] RIKEN Plant Science Center, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, 203-0045 Japan. sinozaki@rtc.riken.jp
          Article
          erl164
          10.1093/jxb/erl164
          17075077
          5e2e1314-8110-4dd0-9d39-62c41209ef90
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