نتایج جستجو برای: low osmotic stress
تعداد نتایج: 1608978 فیلتر نتایج به سال:
The 70 kDa heat shock protein (Hsp70) plays a critical role in cell survival and thermotolerance in response to various stress stimuli. Two nearly identical genes, hsp70.1 and hsp70.3, in response to environmental stress, rapidly induce Hsp70. However, it remains unclear whether these two genes are differentially regulated by various stresses. To address the physiological role of the hsp70.1 an...
An experiment was carried out to investigate the effect of progressing water deficit stress on leaf water relation parameters and compatible solutes at different phenological stages. Completely randomized design including four phenological stages (as drought stress treatments) was used. Each treatment had five replicates. Variables measured were osmotic potential (&PsiS), relative water content...
Pathogens found on fresh produce may encounter low temperatures, high acidity and limited nutrient availability. The aim of this study was to evaluate the effect of habituation of Listeria monocytogenes on cherry tomatoes or lettuce leaves on its subsequent response to inhibitory levels of acid, osmotic and heat stress. Habituation was performed by inoculating lettuce coupons, whole cherry toma...
fish oil is the important fat source in fish nutrition. high demand for fish oil and low global supply arise a need of alternative oils in fish culture. plant oils are a good candidate in this case. the aim of the present study was to compare the efficacy of fish oil and linseed oil on growth and stress resistance of tiger barb ( puntius tetrazona ) larvae. artemia nauplii were enriched by 2.5,...
Stationary-phase Escherichia coli cultures showed enhanced osmotic resistance as compared with cultures in mid-logarithmic growth or preadapted to osmotic stress. The osmotolerance that developed during starvation or osmotic adaptation required de novo protein synthesis. Of the 22 polypeptides induced during osmotic shock, five were also starvation proteins.
Abscisic acid (ABA) regulates various developmental processes and stress responses in plants. Protein phosphorylation/dephosphorylation is a central post-translational modification (PTM) in ABA signaling. However, the phosphoproteins regulated by ABA under osmotic stress remain unknown in maize. In this study, maize mutant vp5 (deficient in ABA biosynthesis) and wild-type Vp5 were used to ident...
Legume root nodule nitrogen-fixing activity is severely affected by osmotic stress. Proline accumulation has been shown to induce tolerance to salt stress, and transgenic plants over-expressing Delta(1)-pyrroline-5-carboxylate synthetase (P5CS), which accumulates high levels of proline, display enhanced osmotolerance. Here, we transformed the model legume Medicago truncatula with the P5CS gene ...
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