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Although many studies have shown that an increase in internal PA may be beneficial to plant growth under abiotic environment, leading to a suggestion of improving plant stress tolerance by the increase of endogenous PA via supply or molecular engineering of its biosynthesis, such studies concentrate on PA homeostasis/metabolism rather than PA-mediated molecular/cellular signaling cascades. We gathered some key research results to succinctly outline and explore PA biological reactions that contribute to plant stress acclimation, as well as PA as an internal regulator to control stress adaptions. From a molecular and physiological perspective, we persuasively suggested the possibility of PA-facilitated signal transduction pathways in plant tolerance to NH4+-stress.
Source link: https://doi.org/10.3389/fpls.2022.783597
In 3. 5-month old male Wistar rats, the effect of dexamethasone on ethanol-induced hypothermia was investigated. Hypothermia was present throughout the study, but only the effects of 2. 0 and 3. 0 g/kg ethanol were significantly antagonized by pretreatment with dexamethasone.
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