Animals & nature · 2022
Do plants use similar genetic controls for different responses to daylength?
Yes. This review describes many plant developmental responses to daylength that use similar networks of genes—groups of genes that work together to control other genes' activity. The responses include flowering and trees stopping growth in autumn. Similar does not mean that every plant or process uses exactly the same network.
Details
Daylength affects more than when plants flower, and flowering is not limited to spring. The review examines developmental processes that respond to the length of light and dark periods and share genes or networks that regulate gene activity. Its central finding is that similar genetic controls appear across many different developmental responses. This is a review, not a single experiment comparing all these plants. The abstract does not identify the shared genes or specify how closely the networks match.
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