drought and salt tolerance in plants critical reviews in plant sciences

... 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 Chemical ... logging, drought, inad- equate mineral nutrients in the soil, and exces- sive soil salinity. As especially drought and salt stress are becoming more and more serious threats to agriculture and ... (2007) Exogenous proline and glycinebetaine increase NaCl-induced ascorbate- glutathione cycle enzyme activities, and proline improves salt tolerance more than glycinebetaine in tobacco Bright...

Ngày tải lên: 14/03/2014, 10:20

... anthocyanidin, the others being delphinidin, peonidin, pelargonidin, petunidin, and malvidin. Of the flavonols, quercetin, kaempferol, myricetin, and isorhamnetin are common in fruits, quercetin being ... becomes localized in the prostate gland and may be involved in maintaining prostate health; (2) yellow- green vegetables, such as corn and leafy greens, that contain lutein and zeaxan- thin, which become ... predominant flavonol. A third predominant flavonoid group in fruits is proanthocyanidins and their monomer units, catechins (procyanidin) or gallocate- chins (prodelphinidins). Delphinidin-derived...

Ngày tải lên: 25/10/2013, 05:20

... 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 ... 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 ... 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 wheat (Anderberg and...

Ngày tải lên: 14/02/2014, 12:20

... antibiotics in- cluded moxifloxacin (in 19 patients), linezolid (in 14 patients), ampicilline-sulbactam (in 13 patients), clar- ithromycin (in 13 patients), piperacillin-tazobactam (in 12 patients), ... and one in five requiring critical care (6). Pandemic Influenza A (H1N1) virus infection is the first pandemic in which intensive care units (ICU) play a fundamental role. During the pandemic, ... microbiologic findings, and chest radi- ologic findings at ICU admission. Intubation and mechanical ventilation requirements, adverse events during ICU stay and laboratory findings at ICU ad- mission...

Ngày tải lên: 25/10/2012, 11:04

Ngày tải lên: 26/11/2013, 13:26

Ngày tải lên: 26/11/2013, 13:30

... locations in spacetime. In [12], [13] this was achieved by translating the origin in the integrand of (1.6) to an arbitrary point y, and averaging against the L 1 mass density |u(y)| 2 dy. In particular, ... thank the Institute for Mathematics and its Applications (IMA) for hosting our collaborative meeting in July 2002. We thank Andrew Hassell, Sergiu Klainerman, and Jalal Shatah for interesting discussions ... argument in fact works for all nonlinear Schr¨odinger equations with a pure power defocusing nonlinearity, and even for a slightly more general class of repulsive nonlinearities satisfying a standard...

Ngày tải lên: 16/02/2014, 06:20

... 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 ... higher in plants containing the new Kozak sequence. The trans- genic plants containing the CfEcR:LmRXR switch showed higher background luciferase activity in the absence of ligand and lower induced...

Ngày tải lên: 15/03/2014, 23:20

... PQ–cyt b 6 f complex and ⁄ or the ferre- doxin ⁄ thioredoxin system (Fig. 3). The interplay between the kinases and their substrates integrates these varying redox signals and initiates appropriate molecular ... on the individual position of a plant within an ecosystem, the density of the plant stand or, in case of algae, water depth and transpar- ency [3–6]. In the last few years many advances in our molecular ... abiotic and biotic in uences, light is highly variable in its intensity and its quality on both a short- term timescale (in the range of seconds to minutes) and a long-term timescale (in the range...

Ngày tải lên: 16/03/2014, 06:20

... Arabidopsis plants were selected by germinating the seeds collected from the in ltrated plants on a medium containing 50 mgÆL )1 kanamycin. Resistant T 1 plants surviving on kanamycin-containing medium ... treatments and compared with CaMV 35S:AtZFP11-overexpressing plants and wild- type control plants. Low AtZFP11 mRNA levels were observed in both Arabidopsis and tobacco transgenic plants constitutively ... receptor gene switch and demonstration of its utility in regulation of transgene expression in plants Venkata S. Tavva 1,2 , Subba R. Palli 1 , Randy D. Dinkins 3 and Glenn B. Collins 2 1 Department...

Ngày tải lên: 16/03/2014, 06:20

... heme-bound PAS proteins, BjFixL and SmFxL, are Gly225 and Gly218, respectively (Fig. 2). It is well known that CO-binding and O 2 -binding access channels of myoglobin and he- moglobin are composed ... kinetics of the PAS domain of Ec DOS, as it does in myoglo- bin and hemoglobin. Examination of the effects of these hydrophobic amino acids on the kinetics of O 2 and CO binding to the Ec DosH heme ... generated L99T, L99F, L115T, and L115F mutants of Ec DosH and examined their physicochemical characteristics, including auto-oxidation rates, O 2 and CO binding kinetics, and redox potentials. The...

Ngày tải lên: 16/03/2014, 13:20

... attract insect pollinators, giving CYP77A6 an indirect role in reproduction. It is possible that the introduction of in- chain hydroxyl allows cross-linking of cutin, leading to reticulation and strengthening ... conserved in land plants and typically each plant species contains only one CYP703 [37]. CYP704B1 and CYP704B2 belong to a conserved and ancient P450 family in moss and seed plants. This suggests ... development and plant defence. More studies are needed to confirm and elucidate the physiological meanings of P450 metabolizing FAs in plants as well as in animals [59] and microorganisms [60]. Concerning...

Ngày tải lên: 22/03/2014, 16:21

... CFUs of each strain in both inocula were determined by plating serial dilutions on 7H11 plates containing either Km or Hyg before infection. Ten BALB ⁄ c mice were infected intranasally [26] ... postinfection, we observed a marked difference between the number of CFUs of the wild-type strain and that of the PMM56 mutant strain in lungs and in the spleen (Fig. 7A). Indeed, both strains ... pas- sively, by protecting the tubercle bacillus against the antimicrobial responses of the host during infection. Indeed, several lines of evidence, including our SDS experimental data, indicate that...

Ngày tải lên: 23/03/2014, 09:20

... binding domain is a multifunc- tional domain which also acts as nuclear matrix targeting sequence and is involved in protein- protein interactions. ZNF74 interacts with its zinc finger domain ... Arabidopsis interacts in vivo with AtRan1 and nuclear export signals 140 Nuclear Import and Export in Plants and Animals 76 Conclusions The study of protein import in plants is beginning to yield insight ... matrix binding is reduced as W1W2 repeats are deleted, indicating that their copy number is involved in high- affinity binding. Fine mapping indicated that the 10 amino acid segment EPRRVRRRVL in the...

Ngày tải lên: 08/04/2014, 12:52

Ngày tải lên: 18/05/2014, 20:23

Ngày tải lên: 29/05/2014, 17:23

Ngày tải lên: 28/06/2014, 08:20

Ngày tải lên: 28/06/2014, 08:20