salinity stress tolerance in plants

... Furthermore, minimal binding domain of BRI1 was determined using binding assays and recombinant BRI1 fragments (Kinoshita et al. 2005). In other plant species, it was also shown that mutations in BRI1 ... et al. 2002) were determined as positive regulators in ABA signaling. Gene encoding ABA-induced protein kinase 1 (PKABA1), which is a serine– threonine type protein kinase, was isolated from ... receiver domain and a long C-terminal part containing a single-repeat MYB-type DNA- binding domain (Sakai et al. 1998) called a GARP domain (Riechmann et al. 2000) and the proline- and glutamine-rich...

Ngày tải lên: 14/02/2014, 12:20

... 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 ... Signaling During Stress 381 Mohammad Miransari 18 Ethylene and Abiotic Stress Tolerance in Plants 395 Elisa Gamalero and Bernard R. Glick 19 New Approaches to Study Metal-Induced Stress in Plants ... tetrameric iron porphyrins and play a role in stress tolerance against oxidative stress. Catalases are produced in peroxisomes and glyoxysomes. Catalases are involved in elim- inating hydrogen peroxide...

Ngày tải lên: 14/03/2014, 10:20

Ngày tải lên: 30/03/2014, 10:20

Ngày tải lên: 28/06/2014, 08:20

Ngày tải lên: 05/07/2014, 23:21

Ngày tải lên: 06/07/2014, 02:20

Ngày tải lên: 28/06/2014, 08:20

Ngày tải lên: 11/09/2013, 11:44

... expressed in plants. Heavy-chain derivatives are shown in gray and light-chain derivatives in pink.Solidblack lines indicate continuation of the polypeptide backbone (simple lines indicate the ... in gray and light chains in pink.Solidblack lines indicate continuation of the polypeptide backbone (simple lines indicate the constant parts of the antibody, curly lines indicate the variable ... of other valuable proteins using this system, including avidin and β-glucuronidase. Initial findings for the expression of a secretory IgA in maize showed that the four chains were expressed, directed...

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 ... organisms. The methods for increasing, preventing, or redirecting flux into or within the path- way include increasing levels of a rate-limiting biosynthetic enzyme, inhibition of the activity ... third predominant flavonoid group in fruits is proanthocyanidins and their monomer units, catechins (procyanidin) or gallocate- chins (prodelphinidins). Delphinidin-derived anthocyanins are known...

Ngày tải lên: 25/10/2013, 05:20

Ngày tải lên: 13/02/2014, 12:20

... 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 ... of increase in the intensity, frequency, or volume of impact of loading activities in basic training is a risk factor for stress fractures. In addition, increased stride length and variations in ... load-bearing conditioning hikes; and • modification of the scheduling of different physical training events to maximize training benefit and minimize the risks of overtraining and overuse injuries. Through...

Ngày tải lên: 14/02/2014, 04:20

... and in ux systems are very impor- tant for cellular ion relationships in natural conditions. Increasing in ux, decreasing efflux or both can maxi- mize K + uptake to maintain K + homeostasis in plants [32,33]. ... important role in regulating the expression of AKT1, CBL1 ⁄ 9 and CIPK23 in Arabidop- sis plants under low-K + stress. Net K + flux increased in the helps mutant roots under low-K + stress For plants, ... Histochem- ical staining indicated that AtHELPS is mainly expressed in the young seedlings and vascular tissues of leaves and roots. Using both helps mutants and overexpression lines, we observed that, in the...

Ngày tải lên: 14/02/2014, 18:20

... thought by providing just such an interdisciplinary forum, in which research results, including novel concepts such as environmen- tally induced increases in mutation rates in bacteria and a ... Arabidopsis. Freezing tolerance increases in many plants in response to low, non-freezing temperature, a process known as cold acclimation. Cold acclimation in Arabidopsis involves a network ... plants carrying a camta1 ⁄ 3 double mutation are impaired in freezing tolerance [52]. These results establish a role for CAMTA proteins in cold acclima- tion and provide a possible point of integrating...

Ngày tải lên: 18/02/2014, 11:20

... due to long range coupling involving vicinal isoprenoid moieties. Due to the line broadening, the precision of signal integration is substan- tially reduced. However, within the experimental limits, ... the two competing deprotonation paths is illustrated in Fig. 8 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 ... known precursor of the vitamins thiamine [11] and pyridoxol [12], could be incorporated into terpenoids by E. coli [9] as well as by higher plants [7]. More specifically, plants were shown to utilize...

Ngày tải lên: 22/02/2014, 07:20

... variance in 141 the measured concentration in plants is explained by the variance of the 142 concentrations in soil. 143 In case of an insignificant correlation, the concentration in plant ... uptake of organic contaminants from soil by plants. The goal was to gain insight into both experimental data and predictive methods. Knowledge of uptake of con- taminants in plants is relevant for ... SPME sam- pling kinetics were studied for a number of sample types in order to (1) determine the sampling time needed to ensure equilibrium sampling, (2) select the best mode of sampling (static...

Ngày tải lên: 05/03/2014, 20:20

... forma- tion by introducing the oxygen between carbon 9 and 10 of oleic acid before incorporation of the monomer into the cutin. In this context, it is interesting to note that inhibition studies ... 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 ... represents a highly diversified set of heme-containing proteins found in bacteria, fungi, animals and plants [7]. In animals, members of the CYP4A gene subfamily mainly cata- lyze the formation of x- and...

Ngày tải lên: 07/03/2014, 03:20

... fusions in these strains was analysed by b-galactosidase activity determinations at hourly intervals during growth in Luria–Bertani broth. Inter- estingly, the htrB–lacZ transcription in the 168 ... are involved in the correct folding of proteins and ⁄ or the removal of incompletely synthes- ized, damaged or malfolded proteins in the different compartments of the cell [1–4]. By studying ... htrB–lacZ expression were determined by analysing b-galactosidase activity (indicated in nmolÆ min )1 ÆA À1 600 ) in cells grown in Luria–Bertani medium (B and C) or in MXR medium (E and F). Sam- ples...

Ngày tải lên: 07/03/2014, 12:20

... examined in principle, but without going too deeoly into the code. 3.1 Sentence Processing Firstly, the user types in a sentence in normal English text, with word boundaries ind/cated in ... that an increase in intensity with no corresponding pitch increase was never- theless heard as a pitch raise. Interestingly enough, a drop in intensity was not heard as a drop in pitch, merely ... point in the sentence where intonation is perceived to rise or fall serves as an important indicator of stress. 1.2 Intensity The subjective impression often gained from a stressed word in...

Ngày tải lên: 09/03/2014, 01:20

... DNA-binding domain with CfEcR ligand-binding domain cloned under the control of the 35S promoter in the pKYLX80 vector LmRXR A fusion of VP16 activation domain and LmRXR ligand-binding domain cloned ... Arabidopsis plants were selected by germinating the seeds collected from the in ltrated plants on medium con- taining 50 mgÆL )1 kanamycin. The analysis of transgenic plants for luciferase induction ... Kozak sequence. Interestingly, an increase in the ligand- induced activity of this switch containing the improved Kozak sequence was not accompanied by an increase in background activity in the absence...

Ngày tải lên: 15/03/2014, 23:20