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In the case of Tsu-1, we identified enrichment of photosynthesis-related gene expression (especially up-regulation of light reactions), signalling by receptor kinases (especially drought repression of gene expression), redox regulation http://www.selleckchem.com/products/pd-0332991-palbociclib-isethionate.html (especially drought-induced regulation of thioredoxin, ascorbate and glutathione), amino acid metabolism, stress-related genes (especially biotic) and regulation via DOF zinc finger transcription factors (drought repressed). Water status is a central component in plant physiological and metabolic processes including cellular osmoregulation, transpiration and water/nutrient translocation, photosynthetic carbon fixation and general growth and development. Moreover, poor water status resulting from drought is one of the most important stresses affecting agricultural yields and has immense influence on the distribution and productivity of plants globally and locally (Boyer 1982; Gleick 1998). http://www.selleckchem.com/products/Trichostatin-A.html As such, a better understanding of how plants respond to soil drying and the mechanisms of adaptation and acclimation that allow the maintenance of good water status are critical for our better understanding of plant function. Here, we examine the interaction of soil http://www.selleck.cn/products/ve-822.html drying with two ��climatically�� extreme accessions of A. thaliana, focusing on physiological and transcriptome responses. Our experimental protocol centred on slow soil drying, occurring across a 5 day period, and a very mild final level of ��stress��. This approach was motivated by a specific interest in the acclimation responses of accessions as well as the expected importance of early signalling components in stress sensing. As expected from our mild soil drying, univariate analyses of a set of growth and leaf-level physiological measurements found few statistically significant soil-drying effects and no striking patterns among Tsu-1 and Kas-1. Nevertheless, multivariate analyses revealed consistent treatment�Caccession interaction (P?