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Gibberellin is an endogenous plant growth regulator. Here, we describe our present understanding of how gibberellin regulates plant growth, using recent results gained from studies of gibberellin-signalling mutants of Arabidopsis. These results show that a signalling pathway represses plant growth and that gibberellin releases this repression. In consequence, the well-known growth-promoting properties of gibberellin are due to its activity as an "inhibitor of an inhibitor" [Brian Pw. Sym Soc. Exp Bio 1957; 11:166-182 (Ref. 1)] of plant growth.

Original publication

DOI

10.1002/(SICI)1521-1878(199812)20:12<1001::AID-BIES6>3.0.CO;2-O

Type

Journal article

Journal

Bioessays

Publication Date

12/1998

Volume

20

Pages

1001 - 1008

Keywords

Arabidopsis, Gene Expression Regulation, Plant, Gibberellins, Mutation