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Red sky in the morning, shepherd's warning

A new study provides insight into the way plants integrate information from the environment to anticipate the onset of winter. Plants are able to combine information about light quality and ambient temperature to activate the cold- acclimation pathway.

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Figure 1: Phytochromes have a central role in coordinating responses to both light quality and the pathway that senses ambient temperature.


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Kumar, V., Wigge, P. Red sky in the morning, shepherd's warning. Nat Genet 39, 1309–1310 (2007).

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