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Plant genetics

Two bHLH transcription factors affect sprouting by regulating the level of ABA

For plants, the decision to germinate is a gamble on their subsequent survival. Xu et al. have now discovered a mechanism that determines the choice between germination and dormancy by regulating the level of ABA.

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Fig. 1: The SD6–ICE2 system senses temperature to control rice germination by changing the ABA level.

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Correspondence to Makoto Matsuoka.

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Yoshida, H., Matsuoka, M. Two bHLH transcription factors affect sprouting by regulating the level of ABA. Nat Genet 54, 1772–1773 (2022). https://doi.org/10.1038/s41588-022-01238-1

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