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Today's Video

Burst of morning gene activity tells plants when to flower

An international team of researchers has discovered that the gene FT -- the primary driver of the transition to flowering in plants each spring -- does something unexpected in Arabidopsis thaliana plants grown in natural environments, with implications for the artificial growing conditions scientists commonly used in the lab. The team, led by University of Washington biology professor Takato Imaizumi, showed that FT has a peak of activity every morning leading up to the transition, something that scientists had not previously seen in Arabidopsis, a model plant that is widely studied for understanding the molecular details of the transition to flowering. The morning peak of FT activity causes plants to transition earlier from vegetative growth to flowering.

Provided by The University of Edinburgh
Runtime: 1:21