physiology and molecular biology of salinity stress tolerance in plants

... a biosynthetic precursor of BR. Furthermore, minimal binding domain of BRI1 was determined using binding assays and recombinant BRI1 fragments (Kinoshita et al. 2005). In other plant species, ... and freezing stresses. These proteins bind to ABRE and couple of other cis-acting elements with differential affinity and improve stress tolerance in transgenic Arabidopsis by upregulating ERF5, KIN1, ... cooperation of these genes, p lants can properly respond to auxin signals and environmental stresses, as well as maintain natural growth and devel- opment. The DNA-binding domains of ARFs bind to auxin...

Ngày tải lên: 14/02/2014, 12:20

Ngày tải lên: 12/08/2014, 01:21

... Examples include dystropin, profilin, spectrin and ankyrin, fimbrin and a-actinin (see ac- tinin), filamin, gelsolin, and the myosins. The term is sometimes ap- plied specifically to filamin. actin ... a-actinin, F-actin cross-linking protein, a dimer of ∼200 kDa with an action similar to that of actinogelin.; and b-actinin, a dimer of ∼70 kDa, similar in action to gelsolin. actinogelin a protein ... occurring in Actinidia polygama. actinin a minor protein constituent of muscle, found to be concen- trated in both the Z line and the I band. Two components of actinin have been identified: a-actinin,...

Ngày tải lên: 23/01/2014, 07:20

Ngày tải lên: 23/03/2014, 10:20

Ngày tải lên: 08/04/2014, 12:51

Ngày tải lên: 08/04/2014, 12:51

Ngày tải lên: 12/05/2014, 17:30

Ngày tải lên: 06/08/2014, 23:43

... development of plants with biofarming potential in the frame of a high demand of natural and ecologically accepted sources of renewable compounds and materials. 4 Use of Cyanobacterial Proteins 85 References Boyer, ... Distribution of Triterpenoids in Different Organs of G. glabra The contents of glycyrrhizin, soyasaponins, and betulinic acid in various organs of G. glabra were determined by HPLC (glycyrrhizin) and ... SPS expressed in plants is inherently active, but it is inhibited in vivo by interacting with an endogenous plant protein. The nature of this protein, as well as the mechanism of its interaction...

Ngày tải lên: 25/10/2013, 05:20

... accessing hydantoinases involved screening and iso- lating naturally occurring enzymes possessing hydan- toin-hydrolyzing activity from microbes, and using them to produce optically pure amino acids ... Key Laboratory of Synthetic Biology, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China 2 Institute of Technical ... DNA of the corresponding organisms. The PCR fragments of the coding regions of HYDs were inserted in- frame into pET28a, resulting in HYDs that were His-tagged at the N-terminus. Expression of...

Ngày tải lên: 18/02/2014, 08:20

... Second, the building block of the ligand having the strongest contact with the protein shows the most intense NMR signals, enabling mapping of the ligand’s binding epi- tope. Finally, and most importantly ... for screening and identifying ligand binding to protein receptors. Angewandte Chemie-International Edi- tion 42, 864–890. 16 Mayer M & Meyer B (1999) Characterization of ligand binding by saturation ... could indicate that the corre- sponding hydroxyl groups are involved in protein binding. The results for the linebroadening measurements of protons H1a in the alpha and beta configurations, aHa1 and...

Ngày tải lên: 18/02/2014, 17:20

... containing 0.3 m M linoleic acid and different amounts of protein samples. Decrease in O 2 concentration was monitored for 3 min and the enzy- matic activity was calculated from the initial rate of ... sequences of the hazelnut LOX gene. The inverted repeats are in bold and their orientations are indicated by arrows. TATA and CAAT boxes and the initiating ATG are also in bold. 4368 A. Santino et ... depletion of a potato lipoxygenase reduces wound induction of proteinase inhibitor and increases weight gain of insect pest. Proc. Natl Acad. Sci. USA 96, 1146–1151. 7. Wang, C., Croft, K.P.C.,...

Ngày tải lên: 21/02/2014, 00:20

... microfilament bundles at the apical ends of cells in the invaginating plate. He did find sparse bands of such filaments which probably contained actin in these cells, but they were indistinguishable from ... embryologist for testing ideas. The main ways of interfering with the embryo include changing external physical or chemical factors and examining the intrinsic potential of the embryo and its constituent ... distinct tissues come together, and here we will examine the generation of the neural tube in the newt and the formation of the ducted submandibular glands of the mouse. The latter example in...

Ngày tải lên: 05/03/2014, 11:21

... are indicated in green, translocation factors in orange, and the effector protein CagA in red. Overlapping boxes indicate probable protein–protein interactions. Integrin heterodimers are indicated ... that CagF binding is not a signal recogni- tion event [48]. However, a fusion of GFP to the C- terminal 195 amino acids of CagA (containing the CagF-binding domain together with the C-terminal signal ... response in vitro and in vivo, and the translocation and subse- quent tyrosine phosphorylation of its effector protein CagA into various host cells is a hallmark of Cag- T4SS activity. Despite the molecular...

Ngày tải lên: 06/03/2014, 00:21

... residue involved in the coordination of type 1 copper atoms, located 10 residues downstream of the single cysteine. This residue, which appears to have a role in determining the redox potential of ... specific activities for syringaldazine and 2,6-DMP were pH 5.6 and 3.4 UÆmg protein )1 and pH 4.6 and 2.8 UÆmg protein )1 , respectively. In standard assay mixtures, the velocity of ABTS oxidation was ... a V max of 16.4ÆUmgprotein )1 . Corresponding values for syring- aldazine and 2,6-DMP under optimal conditions were 0.01 m M and 4.9 UÆmg protein )1 , and 0.57 m M and 5.6 UÆmg protein )1 , respectively....

Ngày tải lên: 07/03/2014, 15:20

... expression of cyclins which bind CDKs and inactivate Rb. Activation of Ras also induces growth inhibitory effectors including p16 and p15. Similar to p53, p16 and p15 induce G1 arrest by inhibiting ... Activation of certain tyrosine kinase receptors, such as EGF receptors and HER2 (erbB-2) results in phosphorylation of catenins and prevention of their binding to cadherins [34-36]. Regarding to ... Following to binding of growth factors to their corresponding receptors the tyrosine kinase activity is induced and phosphorylation of specific residue(s) in the intracellular domain of receptors...

Ngày tải lên: 08/03/2014, 00:20

... with 1 l M of HNE reporter peptide in coating buffer. After washing and blocking, 50 lL of 400 pM BH216 in dilution buffer, preincubated with twofold dilutions of the inhibiting peptide of interest, ... constraint required for binding to the key residues of the epitope. The HNE binding motif Residues critical for binding of mAb BH216 were deter- mined by substitution analysis of the HNE peptide, in ... precluding intramolecular cysteine scrambling induced sera crossreact- ing with MV hemagglutinin protein (Fig. 8B). Whether the above data are in conflict or represent different functional states of...

Ngày tải lên: 08/03/2014, 08:20