News of the WeekPlant Science

Long-Sought Plant Flowering Signal Unmasked, Again

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Science  20 Apr 2007:
Vol. 316, Issue 5823, pp. 350-351
DOI: 10.1126/science.316.5823.350

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Two new reports, published online by Science this week ( and, have identified the signal that tells plants to flower. Contrary to work reported in 2005 showing that the signal was messenger RNA, the new work fingers the so-called flowering locus T protein. (Read more.)