The Arabidopsis protein SHI represses gibberellin responses in Arabidopsis and barley.

@article{Fridborg2001TheAP,
  title={The Arabidopsis protein SHI represses gibberellin responses in Arabidopsis and barley.},
  author={Ingela Fridborg and Sandra Kuusk and Masumi Robertson and Eva Sundberg},
  journal={Plant physiology},
  year={2001},
  volume={127 3},
  pages={937-48}
}
The current model of gibberellin (GA) signal transduction is based on a derepressible system and a number of candidate negative regulators have been identified in Arabidopsis. We previously have reported the identification of the Arabidopsis gene SHORT INTERNODES (SHI) that causes suppression of GA responses when constitutively activated. In this paper, we show by using reporter gene analysis that the SHI gene is expressed in young organs, e.g. shoot apices and root tips. The model predicts a… CONTINUE READING
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