salt stress in the mangrove
Tài liệu Báo cáo khoa học: Oxidative stress in the hippocampus after pilocarpineinduced status epilepticus in Wistar rats doc
... in epileptic patients [27]. Other mechanisms maybe associated with the increase in ROS levels in the epilepsy model as well as in neurodegenerationobserved in epileptic humans [18,28].During ... oxidative stress. Our findings show that pilocarpine induces SE,which can produce alterations in superoxide dismutaseand catalase activities in different areas, thereby pro-tecting the brain from ... activity is related to the mechanismsinvolved in the initiation and ⁄ or propagation ofseizures induced by pilocarpine. Our results are in agreement with another study showing unalteredsuperoxide...
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Tài liệu Mental Health in the Workplace Tackling the effects of stress pdf
... effects of stress via educationand management strategies● Assisting individuals who are experiencing the effectsof stress Preventing or minimising the causes of stress Eliminating or reducing sources ... of skills training options under the stress management umbrella, includingassertiveness training, leadership skills training, timemanagement skills, interpersonal skills training, andrelaxation ... Effective stress prevention and managementrequire tackling the problem at several levels simultaneously.● Preventing problems by eliminating or minimising stress at source● Minimising the negative...
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Tài liệu Báo cáo khoa học: Metabolic gene switching in the murine female heart parallels enhanced mitochondrial respiratory function in response to oxidative stress pdf
... in fatty acid utilization,increase in glucose utilization) in the murine femaleheart. Moreover, our data suggest that these changesoccur in an Akt-independent manner. Further studiesare therefore ... 2007)doi:10.1111/j.1742-4658.2007.06051.x The mechanisms underlying increased cardioprotection in younger femalemice are unclear. We hypothesized that serine-threonine protein kinase(protein kinase B; Akt) triggers ... results in the emission of light. The intensity of the bioluminescence was detected using aluminometer, and the mitochondrial ATP concentration wasdetermined. Mitochondrial protein concentration...
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Tài liệu Báo cáo khoa học: A genetic screen identifies mutations in the yeastWAR1 gene, linking transcription factor phosphorylation to weak-acid stress adaptation docx
... DNA-binding zinccluster at the N-terminus, whereas the acidic activationdomain is usually present at the C-terminus. The mid-dle homology region (MHR) bridging the DNA-bind-ing and the activation ... conformation rather than altered struc-ture of the kinase targets themselves. Further, the residue changes in War1-42p do not involve serine,threonine, tyrosine or histidine (Fig. 3A). In any case, the ... lack of DNA binding. Indeed, in the case of War1-42p, in vivo footprinting data(Fig. 5) indicate an inability to bind to the WARE,which is normally decorated by wild-type War1p in the presence...
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Báo cáo khoa học: Crystal structure of salt-tolerant glutaminase from Micrococcus luteus K-3 in the presence and absence of its product L-glutamate and its activator Tris pdf
... differences in the interactions across the domain interface. All the resi-dues involved here seem to be unrelated to the Tris-binding site residues (including Arg223 and Ser227),either directly or indirectly. ... aa; nine aa in total) were locatednear the interface of the physiological dimer. The C-terminal domain may contain structural featuresinvolved in protein–protein interactions to form the physiological ... 303-309 aa in the N form, and we investi-gated the following points. First, these areas are notinvolved in any contacts with other molecules in crys-tals in all the crystal forms. Second, the overall...
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Báo cáo khoa học: Identification and characterization of 1-Cys peroxiredoxin from Sulfolobus solfataricus and its involvement in the response to oxidative stress pdf
... the addition of stressors to the cul-tures inhibits growth without killing the cells. The hybridizing band in the northern analysisshowed the expected size of about 680 bp indicatingthat the ... thioredoxins were found. In this study we examined the involvement of the peroxiredoxin Bcp2 in oxidative stress in the hyper-thermophilic aerobic archaeon Sulfolobus solfataricus.Furthermore, ... the role of Bcp2 in orderto increase the knowledge of the enzymatic activityinvolved in the oxidative stress in S. solfataricus.To detect differences in the response to variousagents we induced...
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Báo cáo Y học: Cold induces stress-activated protein kinase-mediated response in the fission yeast Schizosaccharomyces pombe pot
... forgrowth in the cold. Surprisingly, however, the cold sensitivephenotype in atf1–or pcr1–strains is not shared by mutantsdisrupted in either sty1+or wis1+(Fig. 5), indicating that the role ... EMM2, Edinburgh minimal medium; Ha6H,hemagglutinin antigen epitope and six histidines; MAPK, mitogen-activated protein kinase; SAPK, stress- activated protein kinase;Csp, cold-shock proteins.(Received ... cold stress (Fig. 2) is not surprising,as this is the case for other stresses [20,21,23,24]. Wis1p isthus able to integrate the transmission of different stress signals to Sty1p MAP kinase, including...
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Environmental Adaptations and Stress Tolerance of Plants in the Era of Climate Change pptx
... many mRNAs is suppressed and the expression of a certain set of genes including the luminal binding protein gene BiP is induced. The under-lying mechanisms of UPR in yeasts and mam-mals have ... effective compatible osmolytes in plants subject to salt stress are GB, b -alaninebetaine, prolinebetaine, choline- O -sulphate, hydroxypro-linebetaine, and pipecolatebetaine (Ashraf and Fig. 1.1 ... tolerance to salt, drought, and the combined effects of these stresses. Osmotic stress (particularly mannitol stress) led to a considerable increase of the Pro concentration in the obligatory...
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Báo cáo khoa học: Exogenous oxidative stress induces Ca2+ release in the yeast Saccharomyces cerevisiae potx
... H2O2, they utilize the vacuole as the main source for Ca2+to be directed to the cytosol.Alkylhydroperoxide also induces a transientincrease in cytosolic Ca2+To determine whether the Ca2+-mediated ... rather modest in the yvc1Dmutant. The residual Ca2+increase observed in the yvc1D mutant could be explained by the existence of alow-affinity Ca2+system of unknown identity [30,33].Nevertheless, ... chains). As the minimal inhibitory concentrationfor the WT strain is approximately 1 mm,Ca2+pulseswere recorded in aequorin-expressing WT cells exposedto 0.25–1.5 mm tBOOH (Fig. 5A). The...
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Báo cáo khoa học: Oxidative stress induces a reversible flux of cysteine from tissues to blood in vivo in the rat pptx
... GSH levels in the organs analyzed.Together, these findings prompted us to furtherinvestigate the origin of cysteine that enters blood. In theory, two possible sources exist: (a) intracellularGSH ... the end of diamide infusion in the kidneys and the liver. Additionally, a significantincrease in GSH was observed in the liver at 3 h after the start of treatment (Fig. 7B), probably indicatingthat ... observed in aging)is sufficient to cause a large increase in the oxidizedforms of intracellular proteins bearing vicinal thiols,which can in uence specific signaling pathways [44]. In addition,...
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Báo cáo khoa học: Oxidative stress is involved in the permeabilization of the inner membrane of brain mitochondria exposed to hypoxia/reoxygenation and low micromolar Ca2+ Lorenz Schild1 and Georg Reiser2 doc
... sug-gests that the mitochondrial injury is caused by open-ing of the mPTP. There is evidence that ADP inhibitsopening of the mPTP by occupying binding siteslocated in the inner and outer ... –Ca2+,15 min in incubation medium; Ca2+, 15 min in incubation mediumplus 3.5 lM Ca2+;H⁄ R, 10 min hypoxia followed by 5 min reoxy-genation; CSA, 2 lM cyclosporin A. A volume of 2 mL of the incu-bation ... protected against deleterious conse-quences of stroke [3,4]. Moreover, the increase in lipidperoxidation after ischemia also points towards the involvement of oxidative stress [5,6].Further investigations...
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The role of sentence stress in enhancing english speaking competence of HPU english majors
... Sentence stress organizes the words in the sentence into logically connected thought groups by joining the unstressed syllables to the main stressed syllable in the group and marking the end of the ... sentence stress singles out the most important word in the sentence by giving it emphatic stress. - Sentence stress marks the end of the sentence by giving the strongest stress to the last stressed ... display either final rising-falling or final rising intonation contours. Their meaning will differ depending on which of these contours is used. Pronounce the following tag questions with the intonation...
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Mental Health in the Workplace Tackling the effects of stress pdf
... healthywork environment, in which the effects of stress are minimisedand managed, and employees are supported in using anddeveloping their abilities and potential. Finally, the recruitmentand retention ... help.Indicators of individual stress ● Increase in unexplained absences or sick leave● Poor performance ● Poor time-keeping ● Increased consumption of alcohol, tobacco or caffeine6Mental Health in the ... removing or reducing furthersources of stress at work, and supporting the individual throughany short-term crisis.Access to professional counselling services can be aninvaluable help in assisting...
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Báo cáo khoa học: Cold stress defense in the freshwater sponge Lubomirskia baicalensis pot
... baicalensis. The toxin OA is produced by the dinoflagellates from the taxon Gymnodinium. In both win-ter and summer the dinoflagellates produce primary metabolites via their photosynthetic activity; the ... N1, incubation at 4 °C in the absence of OA; N2, at 4 °Cin the presence of OA; N3, incubation at 17 °C in the absence ofOA; N4, incubation at 17 °C in the presence of OA. In parallel, afilter ... mgÆmL)1, dissolved in methanol. Within the range of 10 ngÆmL)1to 1 lgÆmL)1 the change of the absorbance was linear (logarithmic plot). For the determin-ation in the tissue of the sponge, extracts...
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- creating points in the pro engineering
- walk in the light
- which play a deciding role in the phagocytosis process
- nac in the real world
- an essential metabolite in defence against chemical and oxidative stress in the kinetoplastida the kinetic mechanism for glutathionylspermidine synthetase ec 6318 from crithidia fasciculata cfgsps obeys a rapid equilibrium random terter model with kin
- salt stress in the plant
- the role of positive facial feedback in the stress response
- the impact of salt reduction in bread a review
- salt stress tolerance in plants
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