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Circadian control

ELF in the root

Each plant organ or tissue senses a different type of environmental signal as input to the circadian clock and shares that information in some way. The small protein EARLY FLOWERING 4 (ELF4) functions as a shoot-to-root mobile signal, thereby allowing regulation of the root clock’s pace depending on ambient temperature.

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Fig. 1: Shoot-to-root dialogue controls temperature response through mobile ELF4.


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Correspondence to Motomu Endo.

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Kubota, A., Endo, M. ELF in the root. Nat. Plants 6, 336–337 (2020).

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