Blue light tells plants when to flower
Protein that marks day length also coordinates blooming genes
By Rebecca Cheung, 15:34 PM May 25, 2012
As the days become longer in spring, plants know to bloom thanks to an interaction between several crucial proteins and blue light, scientists report in the May 25 Science. The new work describes the molecular mechanics that enables a light-sensitive protein to help switch on a suite of genes that control flowering. Understanding the biology of how plants regulate flowering could be useful for tweaking crops to start producing food earlier in the year.
“We might be able to grow three times...
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