salt stress in the mangrove

Ngày tải lên: 06/07/2014, 02:20

Ngày tải lên: 06/07/2014, 02:20

Ngày tải lên: 06/07/2014, 02:20

... in epileptic patients [27]. Other mechanisms may be associated with the increase in ROS levels in the epilepsy model as well as in neurodegeneration observed in epileptic humans [18,28]. During ... oxidative stress. Our findings show that pilocarpine induces SE, which can produce alterations in superoxide dismutase and catalase activities in different areas, thereby pro- tecting the brain from ... activity is related to the mechanisms involved in the initiation and ⁄ or propagation of seizures induced by pilocarpine. Our results are in agreement with another study showing unaltered superoxide...

Ngày tải lên: 19/02/2014, 16:20

Ngày tải lên: 30/03/2014, 10:20

Ngày tải lên: 13/02/2014, 12:20

... effects of stress via education and management strategies ● Assisting individuals who are experiencing the effects of stress Preventing or minimising the causes of stress Eliminating or reducing sources ... of skills training options under the stress management umbrella, including assertiveness training, leadership skills training, time management skills, interpersonal skills training, and relaxation ... Effective stress prevention and management require tackling the problem at several levels simultaneously. ● Preventing problems by eliminating or minimising stress at source ● Minimising the negative...

Ngày tải lên: 15/02/2014, 02:20

... in fatty acid utilization, increase in glucose utilization) in the murine female heart. Moreover, our data suggest that these changes occur in an Akt-independent manner. Further studies are therefore ... 2007) doi:10.1111/j.1742-4658.2007.06051.x The mechanisms underlying increased cardioprotection in younger female mice 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 a luminometer, and the mitochondrial ATP concentration was determined. Mitochondrial protein concentration...

Ngày tải lên: 18/02/2014, 16:20

... DNA-binding zinc cluster at the N-terminus, whereas the acidic activation domain 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...

Ngày tải lên: 19/02/2014, 00:20

... 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 located near the interface of the physiological dimer. The C- terminal domain may contain structural features involved 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 not involved in any contacts with other molecules in crys- tals in all the crystal forms. Second, the overall...

Ngày tải lên: 06/03/2014, 09:22

... the addition of stressors to the cul- tures inhibits growth without killing the cells. The hybridizing band in the northern analysis showed the expected size of about 680 bp indicating that 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 order to increase the knowledge of the enzymatic activity involved in the oxidative stress in S. solfataricus. To detect differences in the response to various agents we induced...

Ngày tải lên: 07/03/2014, 12:20

... for growth in the cold. Surprisingly, however, the cold sensitive phenotype in atf1 – or pcr1 – strains is not shared by mutants disrupted 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 is thus able to integrate the transmission of different stress signals to Sty1p MAP kinase, including...

Ngày tải lên: 08/03/2014, 09:20

... 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...

Ngày tải lên: 14/03/2014, 10:20

... H 2 O 2 , they utilize the vacuole as the main source for Ca 2+ to be directed to the cytosol. Alkylhydroperoxide also induces a transient increase in cytosolic Ca 2+ To determine whether the Ca 2+ -mediated ... rather modest in the yvc1D mutant. The residual Ca 2+ increase observed in the yvc1D mutant could be explained by the existence of a low-affinity Ca 2+ system of unknown identity [30,33]. Nevertheless, ... chains). As the minimal inhibitory concentration for the WT strain is approximately 1 mm,Ca 2+ pulses were recorded in aequorin-expressing WT cells exposed to 0.25–1.5 mm tBOOH (Fig. 5A). The...

Ngày tải lên: 15/03/2014, 23:20

... GSH levels in the organs analyzed. Together, these findings prompted us to further investigate the origin of cysteine that enters blood. In theory, two possible sources exist: (a) intracellular GSH ... the end of diamide infusion in the kidneys and the liver. Additionally, a significant increase in GSH was observed in the liver at 3 h after the start of treatment (Fig. 7B), probably indicating that ... observed in aging) is sufficient to cause a large increase in the oxidized forms of intracellular proteins bearing vicinal thiols, which can in uence specific signaling pathways [44]. In addition,...

Ngày tải lên: 16/03/2014, 02:20

... sug- gests that the mitochondrial injury is caused by open- ing of the mPTP. There is evidence that ADP inhibits opening of the mPTP by occupying binding sites located in the inner and outer ... –Ca 2+ , 15 min in incubation medium; Ca 2+ , 15 min in incubation medium plus 3.5 l M Ca 2+ ;H⁄ R, 10 min hypoxia followed by 5 min reoxy- genation; CSA, 2 l M cyclosporin A. A volume of 2 mL of the incu- bation ... protected against deleterious conse- quences of stroke [3,4]. Moreover, the increase in lipid peroxidation after ischemia also points towards the involvement of oxidative stress [5,6]. Further investigations...

Ngày tải lên: 16/03/2014, 22:20

... 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...

Ngày tải lên: 17/03/2014, 16:12

... healthy work environment, in which the effects of stress are minimised and managed, and employees are supported in using and developing their abilities and potential. Finally, the recruitment and retention ... help. Indicators of individual stress ● Increase in unexplained absences or sick leave ● Poor performance ● Poor time-keeping ● Increased consumption of alcohol, tobacco or caffeine 6 Mental Health in the ... removing or reducing further sources of stress at work, and supporting the individual through any short-term crisis. Access to professional counselling services can be an invaluable help in assisting...

Ngày tải lên: 22/03/2014, 16:21

... 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 of OA; N4, incubation at 17 °C in the presence of OA. In parallel, a filter ... mgÆmL )1 , dissolved in methanol. Within the range of 10 ngÆmL )1 to 1 lgÆmL )1 the change of the absorbance was linear (logarithmic plot). For the determin- ation in the tissue of the sponge, extracts...

Ngày tải lên: 23/03/2014, 10:20

Ngày tải lên: 29/03/2014, 19:20