Journal
GENES
Volume 12, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/genes12091409
Keywords
drought stress; histone acetylation; histone acetyltransferases (HATs); histone deacetylases (HDACs)
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Funding
- National Natural Science Foundation of China [32001331]
- Fundamental Research Funds for the Central Universities [2572018CL02]
- Heilongjiang Touyan Innovation Team Program (Tree Genetics and Breeding Innovation Team)
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The article summarizes the changes in histone acetylation in plant response to drought stress, and reviews the functions of histone acetyltransferases and histone deacetylases in drought response and resistance.
Drought stress causes recurrent damage to a healthy ecosystem because it has major adverse effects on the growth and productivity of plants. However, plants have developed drought avoidance and resilience for survival through many strategies, such as increasing water absorption and conduction, reducing water loss and conversing growth stages. Understanding how plants respond and regulate drought stress would be important for creating and breeding better plants to help maintain a sound ecosystem. Epigenetic marks are a group of regulators affecting drought response and resilience in plants through modification of chromatin structure to control the transcription of pertinent genes. Histone acetylation is an ubiquitous epigenetic mark. The level of histone acetylation, which is regulated by histone acetyltransferases (HATs) and histone deacetylases (HDACs), determines whether the chromatin is open or closed, thereby controlling access of DNA-binding proteins for transcriptional activation. In this review, we summarize histone acetylation changes in plant response to drought stress, and review the functions of HATs and HDACs in drought response and resistance.
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