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One of the key factors contributing to the success of flowering plants is their ability to regulate the timing of flowering so that they can take maximum advantage of the most environmentally favorable conditions. Unraveling the signal transduction pathways that regulate flowering is one of the most exciting areas of plant biology research. Now, Samach et al. (1) on page 1613 of this issue and Blázquez and Weigel (2) in a recent issue of Nature reveal the integrated network of molecular signals that induce flowering in the weed Arabidopsis thaliana under different environmental conditions.
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Devlin et al. (2000) studied this question.
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