salinity stress injury in plants
Tài liệu Phytohormones and Abiotic Stress Tolerance in Plants ppt
Ngày tải lên :
14/02/2014, 12:20
... cytokinins (zeatin and zeatin riboside) are decreased in the xylem in response to drought stress Surprisingly, in the same study, it was found that the level of the aromatic cytokinin 6-benzylaminopurine ... three cytokinin receptors Although there are no reports linking cytokinin to a rapid response to cold stress, these results can suggest a role for cytokinin in the response to cold stress (Argueso ... receiver domain and a long C-terminal part containing a single-repeat MYB-type DNAbinding domain (Sakai et al 1998) called a GARP domain (Riechmann et al 2000) and the proline- and glutamine-rich...
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ABIOTIC STRESS RESPONSE IN PLANTS – PHYSIOLOGICAL, BIOCHEMICAL AND GENETIC PERSPECTIVES docx
Ngày tải lên :
28/06/2014, 08:20
... carboxyterminal calmodulin-like domain containing EF-hand calcium-binding sites plus a N-terminal protein kinase domain (Cheng et al., 2002) Thus, the signaling pathways activated in response to stress ... temperatures These findings indicate that these two molecules should be included in the category of integrative signals in abiotic and biotic stress response in plants Other well known players in plant ... enzymes involved in ROS detoxification in plants Also forward genetic screens have yielded significant insight into the metabolism and signalling in response to abiotic stress and in ROS signalling...
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Environmental Adaptations and Stress Tolerance of Plants in the Era of Climate Change pptx
Ngày tải lên :
14/03/2014, 10:20
... osmolytes in plants subject to salt stress are GB, b-alaninebetaine, prolinebetaine, choline-O-sulphate, hydroxyprolinebetaine, and pipecolatebetaine (Ashraf and Abiotic Stress Responses in Plants: ... Acids, Proline, and Amides It has been reported that amino acids (such as alanine, arginine, glycine, serine, leucine, and valine, the nonprotein amino acids citrulline and ornithine (Orn)), ... very crucial role in stress tolerance in plants GR plays an important role in alleviating oxidative stress in plants as evidenced by increased activities of GR during oxidative stress (Contour-Ansel...
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Báo cáo khoa học: Overexpression of putative topoisomerase 6 genes from rice confers stress tolerance in transgenic Arabidopsis plants ppt
Ngày tải lên :
30/03/2014, 10:20
... protein involved in inducing double-strand breaks to initiate meiotic recombination in eukaryotes [8,9] Their existence has also been shown in plants [10–14] In contrast with other eukaryotes, plants ... The amino-acid sequence analysis of rice TOP6 proteins also predicted several potential putative phosphorylation sites for casein kinase II, protein kinase C, tyrosine kinase, histidine kinase, ... ERD10, KIN1, and KIN2, analyzed in this study, under stress conditions The differentially expressed genes in transgenic plants that encode proteins that probably function in stress tolerance include...
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báo cáo hóa học:" The value of SPECT in the detection of stress injury to the pars interarticularis in patients with low back pain" doc
Ngày tải lên :
20/06/2014, 04:20
... Scintigraphic findings in a patient with right L3 pars stress on planar bone scintigraphy (A) and on SPECT (B) [Red arrows point to the scintigraphic abnormality on SPECT] bone stress If this stress ... Treatment often includes rest from aggravating activities, non steroidal anti-inflammatory medication, bracing and physical therapy emphasizing hamstring stretching and core strengthening The length ... on planar bone scintigraphy (B) [Red arrows point to the scintigraphic abnormality] A B C Figure CT findings in a patient with pars interarticularis fracture: Normal facet joint below fracture...
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ABIOTIC STRESS IN PLANTS – MECHANISMS AND ADAPTATIONS pptx
Ngày tải lên :
28/06/2014, 08:20
... chilling-induced photoinhibition (Hogewoning & Harbinson, 2007) The individual leaves were divided into a shaded zone and two illuminated, chilled zones Chilling up to d in the dark did not influence ... margin exhibited a much slower induction of ΦPSII and a large increase of NPQ The obtained results indicate of an increase in sink strength in the vicinity of the wound Chl fluorescence imaging ... particular plant (Estes, 2002) In addition, the continuous use of same soil for growing vegetables results in an increase of salinization Effects of salinity on plants Soil salinity is a major factor...
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Báo cáo y học: "Ozone Therapy and Hyperbaric Oxygen Treatment in Lung Injury in Septic Rats"
Ngày tải lên :
25/10/2012, 11:18
... therapeutic approach increasing oxygen concentration in all tissues; improving blood flow to compromised organs; stimulating angiogenesis; increasing antioxidant enzyme expression; and aiding in the suppression ... Wuhan, China for MPO) Histologic evaluation Lung tissues were fixed in formalin for 24 h, embedded in paraffin and cut into µm sections The slides were stained with hematoxylin and eosin (H&E) ... data in the current study confirmed the established effects of HBO in septic lung injury in rats Nevertheless, OT administration also reduced the oxidative stress, proinflammatory cytokines levels,...
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Stress episode in aviation
Ngày tải lên :
11/09/2013, 11:44
... to step in and take care of many things on their own because of the diminution in managerial guidance as managers tend to put in time during the day and not in the evening or the night Indeed, ... findings pertaining to rotating shift work and shift work disruption have implications for future research Indeed, there is a need to determine whether chronic job strain among workers working ... which an individual has discretion in making decisions pertaining to the work Decision latitude is an important psychosocial factor in the workplace that can prevent job strain because it increases...
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Molecular Farming of Antibodies in Plants
Ngày tải lên :
25/10/2013, 05:20
... in gray and light chains in pink Solid black lines indicate continuation of the polypeptide backbone (simple lines indicate the constant parts of the antibody, curly lines indicate the variable ... of Antibodies in Plants 39 Antigen Antigen Minibody Fab fragment Single chain Fv fragment (scFv) Camelid heavy chain Diabody Large single chain Bispecific scFv Single variable domain scFv-fusion ... subcellular targeting of the protein This is a general method to increase the yield of recombinant proteins because the compartment in which a recombinant protein accumulates in uences its folding, assembly,...
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Regulating Phytonutrient Levels in Plants – Toward Modification of Plant Metabolism for Human Health
Ngày tải lên :
25/10/2013, 05:20
... others being delphinidin, peonidin, pelargonidin, petunidin, and malvidin Of the flavonols, quercetin, kaempferol, myricetin, and isorhamnetin are common in fruits, quercetin being the predominant ... apigenin, luteolin), flavonols (e.g., quercetin, myricetin), flavanones (e.g., naringenin, hesperidin), catechins or flavanols (e.g., epicatechin, gallocatechin), anthocyanidins (e.g., cyanidin, pelargonidin), ... 12 Regulating Phytonutrient Levels in Plants 311 12.5.4 Metabolic Engineering of the Flavonoid Biosynthetic Pathway in Tomato There is a growing interest in producing food plants with increased...
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Tài liệu Reducing Stress Fracture in Physically Active Military Women doc
Ngày tải lên :
14/02/2014, 04:20
... training; AIT, advanced individual training; OSUT, one-station unit training; RTC: recruit training command; MCRD, Marine Corps recruit depot; BMT, basic military training; FTU, fitness training ... fitness, a training program must include a history of sufficient loading and remodeling within bone if stress injuries and fractures are to be prevented during periods of intense training Proper ... and maintain physical fitness levels for all Army personnel and includes specific chapters devoted to physical training during initial entry training and to injuries Navy and Marine Corps In response...
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Tài liệu Báo cáo khoa học: Shaped by the environment – adaptation in plants Meeting report based on the presentations at the FEBS Workshop ‘Adaptation Potential in Plants’ 2009 (Vienna, Austria) pdf
Ngày tải lên :
18/02/2014, 11:20
... pathways involved in freezing tolerance in Arabidopsis Freezing tolerance increases in many plants in response to low, non-freezing temperature, a process known as cold acclimation Cold acclimation in ... for thought by providing just such an interdisciplinary forum, in which research results, including novel concepts such as environmentally induced increases in mutation rates in bacteria and a heritable, ... profiling revealed 57 transcripts specifically upregulated in acclimated plants, including heat shock proteins, transcription factors and immunophilins, as well as downregulated transcripts, including...
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Tài liệu Báo cáo Y học: Studies on the nonmevalonate pathway of terpene biosynthesis The role of 2C-methyl-D -erythritol 2,4-cyclodiphosphate in plants docx
Ngày tải lên :
22/02/2014, 07:20
... due to long range coupling involving vicinal isoprenoid moieties Due to the line broadening, the precision of signal integration is substantially reduced However, within the experimental limits, ... the two competing deprotonation paths is illustrated in Fig for the predominant ES complex A of a sample of IPP carrying a 13 C label in its methyl group; a similar scheme involving a less stable ... by Kleinig & Beyer [37] Inner coronae of N pseudonarcissus (80 g) were homogenized in 250 mL of 67 mM Tris/HCl, pH 7.5, containing mM MgCl2, mM dithioerythritol, mM EDTA, 0.2% (w/v) polyvinylpyrrolidone...
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Uptake of organic chemicals in plants Human exposure assessment ppt
Ngày tải lên :
05/03/2014, 20:20
... applied in numerous studies It is well suited for determining distribution constants between environmental media and water, and for the determination of protein-binding affinities (Heringa and ... modelling the uptake of organic compounds into plants any easier However, combining models and experiments gain a lot of insight into the topic, and models can be used to help design and interpret ... coating SPME Sampling Kinetics SPME sampling kinetics were determined for different sample matrices in both static and shaken mode (Table 2) The sampling rates were on average 36% higher in the...
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Báo cáo khoa học: Arabidopsis thaliana CYP77A4 is the first cytochrome P450 able to catalyze the epoxidation of free fatty acids in plants potx
Ngày tải lên :
07/03/2014, 03:20
... monomer into the cutin In this context, it is interesting to note that inhibition studies allowed LeQueu et al [49] to demonstrate the involvement of a peroxygenase in the formation of cutin of ... generated in incubations of linoleic acid with microsomes from yeast expressing CYP77A4 Microsomes were incubated with 100 lM [1-14C]linoleic acid in the absence (A) or presence (B) of NADPH Incubations ... encoding a fatty acid x-hydroxylase, a putative epoxide hydrolase, several genes encoding enzymes involved in the synthesis of fatty acids in plastids, including the stearoyl acyl carrier protein...
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Báo cáo khoa học: The CssRS two-component regulatory system controls a general secretion stress response in Bacillus subtilis pdf
Ngày tải lên :
07/03/2014, 12:20
... fusions in these strains was analysed by b-galactosidase activity determinations at hourly intervals during growth in Luria–Bertani broth Interestingly, the htrB–lacZ transcription in the 168 strain ... (D) were determined by A600 readings Time courses of htrB–lacZ expression were determined by analysing b-galactosiÀ1 dase activity (indicated in nmolÆmin)1Æ A600 ) in cells grown in Luria–Bertani ... by analysing À1 b-galactosidase activity (indicated in nmolÆmin)1ÆA600 ) in cells grown in Luria–Bertani medium (B and C) or in MXR medium (E and F) Samples were withdrawn at the times indicated;...
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Báo cáo khoa học: "THE SIMULATION OF STRESS PATTERNS IN SYNTHETIC SPEECH" ppt
Ngày tải lên :
09/03/2014, 01:20
... point in the sentence where intonation is perceived to rise or fall serves as an important indicator of stress 1.2 Bolinger found that an increase in intensity with no corresponding pitch increase ... then integrated into the main list 3.2.~ Assigning Stress Peaks The procedure that finds the stressable words uses the original English text in Prolog-list form The list is searched according ... pitch raise Interestingly enough, a drop in intensity was not heard as a drop in pitch, merely as a form of interference, as if the speaker's words were being carried away by the wind Intensity...
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Báo cáo khoa học: Improvement of ecdysone receptor gene switch for applications in plants: Locusta migratoria retinoid X receptor (LmRXR) mutagenesis and optimization of translation start site pptx
Ngày tải lên :
15/03/2014, 23:20
... GAL4 DNA-binding domain with CfEcR ligand-binding domain cloned under the control of the 35S promoter in the pKYLX80 vector A fusion of VP16 activation domain and LmRXR ligand-binding domain cloned ... Kozak sequence Interestingly, an increase in the ligandinduced activity of this switch containing the improved Kozak sequence was not accompanied by an increase in background activity in the absence ... containing wild-type LmRXR and CH9, as a partner of CfEcR, in inducing reporter gene expression in tobacco protoplasts The results observed in protoplasts were confirmed in Arabidopsis transgenic plants...
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Báo cáo khoa học: Photosynthetic acclimation: State transitions and adjustment of photosystem stoichiometry – functional relationships between short-term and long-term light quality acclimation in plants ppt
Ngày tải lên :
16/03/2014, 06:20
... reduction in seed production, indicating synergistic effects when both kinases are lacking [9] Additional interesting results were obtained by some gene-expression studies The lack of LTR in the ... ferredoxin ⁄ thioredoxin system (Fig 3) The interplay between the kinases and their substrates integrates these varying redox signals and initiates appropriate molecular acclimation responses in the ... thylakoid-associated kinase leads to alteration of light harvesting in Arabidopsis J Biol Chem 276, 32169– 32176 Vainonen JP, Hansson M & Vener AV (2005) STN8 protein kinase in Arabidopsis thaliana is specific in...
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