A group at RIKEN found through experiments on Arabidopsis thaliana that Ky-2, a histone deacetylase inhibitor, enhanced high-salinity stress tolerance in this plant. Ky-2 activates the transcription of AtSOS1, a sodium antiporter, by increasing histone acetylation
doi 10.1093/pcp/pcv199

RIKEN news release, December 24, 2015