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The HDA9‐HY5 module epigenetically regulates flowering time in Arabidopsis thaliana
The HDA9-HY5 system controls flowering time in Arabidopsis through epigenetic regulation
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Abstract
The hda9-1 hy5-215 double mutant flowered earlier than each single mutant.
- Both hda9-1 and hy5-215 single mutants flowered earlier than the wild-type Col-0.
- Positive flowering time genes were upregulated in the hda9-1, hy5-215, and hda9-1 hy5-215 mutants.
- HDA9 and HY5 were shown to bind directly to the promoter regions of PIF4 and COL5.
- The expression of PIF4 and COL5 was repressed through specific modifications to histones.
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