Deciding When to Flower

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Science  05 Dec 2003:
Vol. 302, Issue 5651, pp. 1695-1696
DOI: 10.1126/science.1092862

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Plants must carefully time the switch from vegetative growth to floral production in order to take advantage of optimal environmental conditions. In their Perspective, Bastow and Dean discuss new work ( He et al.) that reveals an elegant mechanism, involving chromatin remodeling of a genetic locus encoding a flowering repressor, which enables plants to regulate flowering time.