نتایج جستجو برای: saline stress
تعداد نتایج: 485866 فیلتر نتایج به سال:
The deleterious effects of salts on plants exposed to high solar radiation tend be more accelerated due the increase toxic ions in aerial plant part. Consequently, physiological and biochemical processes will affected. These can minimized, however, with use management strategies, such as a shading screen protected environment. In this sense, objective work was evaluate responses sugar beet cult...
Background Dendritic arbor simplification and dendritic spine loss in the hippocampus, a limbic structure implicated in mood disorders, are assumed to contribute to symptoms of depression. These morphological changes imply modifications in dendritic cytoskeleton. Rho GTPases are regulators of actin dynamics through their effector Rho kinase. We have reported that chronic stress promotes depress...
Soil salinity and alkalinity adversely affects the productivity and grain quality of rice. The grain quality of 19 rice genotypes characterized as salt tolerant (T), semi-tolerant (ST) and sensitive (S) was assessed in lysimeters containing saline and highly alkaline soils. Head rice recovery was reduced by salinity stress whereas it was not affected by alkalinity stress. The ratio of length to...
Exposure to an open field is psychologically stressful and leads to an elevation in core temperature (T(c)). Methyl scopolamine (MS), a muscarinic antagonist, and pyridostigmine (PYR), a carbamate that inhibits acetylcholinesterase, do not cross the blood-brain barrier and have little effect on T(c) in resting, nonstressed animals. However, we have found that MS has an antipyretic effect on T(c...
BACKGROUND Negative emotional states and abnormal stress reactivity are central components in drug addiction. The brain stress system in the amygdala is thought to play a key role in the maintenance of drug dependence through negative reinforcement. Although acute heroin administration was found to reduce anxiety, craving, and stress hormone release, whether these effects are reflected in amygd...
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