Journal
PLANT SIGNALING & BEHAVIOR
Volume 13, Issue 8, Pages -Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15592324.2018.1475808
Keywords
histone deacetylase; histone acetylation; drought stress; thermotolerance; Arabidopsis
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Funding
- RIKEN
- Japan Science and Technology Agency (JST) [Core Research for Evolutionary Science and Technology (CREST)] [JPMJCR13B4]
- KAKENHI on Innovative Areas of the Ministry of Education Culture, Sports and Technology of Japan [16H01476, 18H04791, 18H04705]
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Histone acetylation is controlled by HATs and HDACs, which are essential epigenetic elements that regulate plant response to environmental stresses. A previous study revealed that a deficiency in an HDAC isoform (HDA19) increases tolerance to high salinity stress in the Arabidopsis wild-type Col-0 background. Here, the increased tolerance of hda19 to drought and heat stresses is demonstrated. Results indicate that hda19 plants have greater tolerance than wild-type plants to stress conditions. The data indicate that the stress response pathway coordinated by HDA19 plays a pivotal role in increasing tolerance to a variety of different abiotic stresses in Arabidopsis, including salinity, drought, and heat. The greater level of tolerance of hda19 plants to several different environmental stresses suggests that HDA19 represents a promising target for pharmacological manipulation in order to enhance abiotic stress tolerance in plants.
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