What question did this study set out to answer?

To determine how the transcription factor MYB96 coordinates abscisic acid and cold signaling pathways to activate freezing tolerance in Arabidopsis.

April 25, 2015The Plant JournalOpen Access

The MYB96–HHP module integrates cold and abscisic acid signaling to activate the CBF–COR pathway in Arabidopsis

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Authors

HLHong Gil LeeSeoul National University PSPil Joon SeoSeoul National University

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Implication

Experimental study demonstrates that the MYB96-HHP module integrates cold and abscisic acid signaling in Arabidopsis, highlighting a core mechanism for plant environmental stress adaptation.

Key Points

To determine how the transcription factor MYB96 coordinates abscisic acid and cold signaling pathways to activate freezing tolerance in Arabidopsis.
Evaluated cold-induced and abscisic acid-dependent activation of the MYB96 transcription factor in Arabidopsis thaliana.
Assessed transcriptional regulation by testing MYB96 promoter binding to HEPTAHELICAL PROTEIN (HHP) genes.
Examined protein-protein interaction networks between HHPs and upstream regulators of the CBF regulon, including ICE1, ICE2, and CAMTA3.
Cold stress induces MYB96 independently of abscisic acid, directly promoting downstream freezing tolerance.
MYB96 binds directly to HHP gene promoters to activate their expression under stress conditions.
HHP proteins interact with CBF upstream activators (ICE1, ICE2, and CAMTA3) to drive transcriptional activation of the CBF regulon.

Cite This Study

Lee et al. (2015) studied this question.

synapsesocial.com/papers/6a7075c1f44fa9f079de1cb1 https://doi.org/10.1111/tpj.12866

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Implication

Experimental study demonstrates that the MYB96-HHP module integrates cold and abscisic acid signaling in Arabidopsis, highlighting a core mechanism for plant environmental stress adaptation.

The MYB96–HHP module integrates cold and abscisic acid signaling to activate the CBF–COR pathway in Arabidopsis

Discussion

Member takes

Implication

Key Points

Cite This Study

The MYB96–HHP module integrates cold and abscisic acid signaling to activate the CBF–COR pathway in Arabidopsis

Discussion

Member takes

Implication

Key Points

Cite This Study

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