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Circadian Rhythms Spark Plants’ Ability to Survive Freezing Weather

EAST LANSING, Mich. — Just as monarch butterflies depend on circadian cues to begin their annual migration, so do plants to survive freezing temperatures.

All living things – humans, animals, plants, microbes – are influenced by circadian rhythms, which are physical, mental and behavioral changes that follow a 24-hour cycle. In the current issue of the Proceedings of the National Academy of Sciences, Michael Thomashow, University Distinguished Professor of molecular genetics, along with MSU colleagues Malia Dong and Eva Farré, has identified that the circadian clock provides key input required for plants to attain maximum freezing tolerance. (more…)

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