Plant Genes on Steroids

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Science  11 Mar 2005:
Vol. 307, Issue 5715, pp. 1569-1570
DOI: 10.1126/science.1110534

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Plants, like animals, use steroid hormones to regulate their development. However, in plants, the steroid hormone is bound by a receptor at the cell surface instead of a nuclear receptor. In a Perspective, Sablowski and Harberd discuss studies published here ( He et al.) and elsewhere that provide the missing link between binding of the steroid by its receptor and changes in the expression of target genes.