Narendra Tuteja

..This study should help in our better understanding of cold stress signaling and mechanism of DNA unwinding in plants...

..Here we describe the current technologies to eliminate the selectable marker genes (SMG) in order to develop marker-free transgenic plants and also discuss the regulation and biosafety concern of genetically modified (GM) crops...

..These observations suggest that PDH65 may be involved both in rDNA transcription and in the early stages of pre-rRNA processing...

..This article describes the insight underlying the DNA damage and repair pathways in plants. The comet assay to measure the DNA damage and the role of DNA repair helicases such as XPD and XPB are also covered...

..Here I have described a general mechanism of signal transduction through GPCR/G proteins, structure of GPCRs, family of GPCRs and plant GPCR and its role...

..Forisome-based 'smart' materials can be used to produce self-powered monitoring and diagnostic systems. Here, we focus on physiological, chemical and physical aspects of forisomes and discuss their potential as biomimetic devices...

..The genes containing helicase motifs may have evolved from a common ancestor. In this review we cover the conserved motifs, structural information, mechanism of DNA unwinding and translocation, and functional aspects of DNA helicases...

..The properties of most of the known DNA helicases from prokaryotic and eukaryotic systems, including viruses and bacteriophages, are summarized in tables...

..In this review, an up-to-date knowledge of plant DNA helicases is summarized. In addition, the historical perspective, biochemical assay and polarity, inhibitors and functions of plant DNA helicases have also been covered...

..This study shows that these kinases may contribute to the physiological regulation of DNA topoisomerase I activity and overall DNA metabolism in plants...

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..Motif 1 (EVF) is conserved in Ps.SEO1, Vicia faba (Vf.For1) and Medicago truncatula (Mt.SEO3); motif 2 (KKED) is well conserved across all forisomes proteins and motif 3 (IGYIGNP) is conserved in Ps.SEO1 and Vf.For1...

..This overview of MCMs contains an emphasis on MCMs from plants and the novel role of MCM6 in abiotic stress tolerance...

..This study brings new direction in identifying novel function of unidentified genes in abiotic stress tolerance without previous knowledge of the genome sequence...

..This study should make important contribution to our better understanding of DNA transaction in plants, mechanism of DNA unwinding, and the mechanism by which these ligands can disturb genome integrity...

..This study could be useful in our better understanding of the mechanism of plant nuclear DNA helicase unwinding...

..Our results revealed that expression of helicase genes is profoundly regulated under various stress conditions. The helicases identified in this study lay a foundation for the in depth characterization of each helicase type...

..These findings provide direct evidence for a novel role of Galpha and Gbeta subunits in abiotic stress tolerance and possible cross-talk between PLC- and G-protein-mediated signaling pathways...

..Its bipolar helicase activities may also be involved in distinct cellular processes in stressed conditions...

..The possible mechanism of salinity tolerance is discussed. These findings suggest that DNA replication machinery can be exploited for promoting stress tolerance in crop plants...

..This discovery should make an important contribution to a better understanding of DNA replication in plants...

..indica is its intrinsic property or it is dependent on P availability. Our data explain the correlation between the availability of P and growth-promoting activity of P. indica...

..indica. These observations suggest that PiPT is actively involved in the phosphate transportation and, in turn, P. indica helps improve the nutritional status of the host plant...

..Isolation of this new DNA helicase should make an important contribution to our better understanding of DNA transaction in plants...

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..These studies show the ubiquitous presence of CBL/CIPK in higher plants and enhance our understanding of their role in abiotic and biotic stress signalling...

..It also opens up new avenues for studying practical aspects of plant salinity tolerance for enhanced agricultural productivity...

..MicroRNAs are small endogenous RNAs that modulate gene expression and are involved in the most essential physiological processes, including plant development and adaptation to environmental changes...

..Based on the homology of PDH45 protein with eIF4A protein we suggest that it may act at the translational level to enhance or stabilize protein synthesis under stress conditions...

..These findings suggest the possible exploitation of γ subunits of G-protein machinery for promoting stress tolerance in plants...

..A broad coverage of the discovery of SOS mutants, structural aspect of these genes and the latest developments in the field of SOS1-SOS5 has been described...

..Further, we discuss recent findings on miRNA gene family and its gene structure, criteria for miRNA annotation and on miRNA biogenesis that involve transcription, processing and maturation of miRNAs...

..The cross-talk between plant MAP kinases is also discussed to bring out the complexity within this three-component module...

..Overall, this study provides an evidence for a novel function of the PDH45 gene in high salinity stress tolerance in bacteria...

..Here we report the promoter of the pea MCM6 single subunit that contains stress responsive elements which may be responsible for regulating the MCM6 under abiotic stress conditions...

..These results imply that OsABP might perform important functions in the cellular response to specific abiotic stress...

..This study thus opens the possibility to explore the roles that LecRLKs might play in life of a plant...

..In this review we have described all the reported stress-induced helicases and also discussed the possible mechanisms by which they can provide stress tolerance...

..The copy number of transgenes has been found to vary from 1 to 2 in transgenic plants. By using this improved method we have successfully raised transgenic rice plants within 3 mo from seed inoculation to plant regeneration...

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..The possible mechanism of salinity tolerance is discussed. Overexpression of PDH45 provides a possible example of the exploitation of DNA/RNA unwinding pathways for engineering salinity tolerance without affecting yield in crop plants...

..The cross-tolerance between stresses is also mentioned...

..A section is specifically dedicated to the genetic engineering perspectives regarding the miRNAs applications in rice tolerance to stress conditions...

..Here we report the promoter of the PDH45 gene that contains stress-responsive cis-regulatory elements which may be responsible for regulating the expression of PDH45 under abiotic stress conditions...

..These findings provide a direct evidence for transcriptional regulation of rice GPCR under abiotic stress conditions. These findings also suggest that GPCR can be exploited for promoting stress tolerance in plants...

..These novel regulations of sbGR-RNP in response to light and salinity are important phenomena, which will be helpful in understanding the molecular mechanisms of cross-talk between abiotic stress and light signaling in plants...

..The ER chaperones and foldases, which are described in article, are binding protein (BiP), glucose regulated protein (GRP94), protein-disulfide isomerase (PDI), peptidyl-prolyl isomerases (PPI), immunophilins, calnexin and calreticulin...

..These findings also provide an evidence for a possible cross-talk between MPK3 and G-protein-mediated signaling pathways in plants...

..indica help the plant to overcome the disease load of F. verticillioides. We propose that P. indica can be used as a bioprotection agent against the root parasite F. verticillioides...

..In this review, we describe the biochemistry of ROS and their production sites, and ROS scavenging antioxidant defense machinery...

..We have therefore systematically analyzed the domains closely associated with DEAD-motif, which occur in a variety of proteins and can provide insights into their function...

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..In the current review we summarize and investigate the participation of MAPKs as possible mediators of various abiotic stresses in plants...

..This study would be useful to obtain a better understanding of the mechanism of plant nuclear DNA helicase unwinding and the mechanism by which these agents can disturb genome integrity...

..In plants, it has been shown to play a unique role in abiotic stress tolerance, which suggests a new pathway to engineer to increase the crop production under the stress conditions...

..12, c = 110.63 Å. The crystals diffracted to a resolution limit of 2.0 Å. Analysis of the diffraction data indicated the presence of three molecules of the protein per asymmetric unit (V(M) = 4.48 Å(3) Da(-1), 72.6% solvent content)...

..This review highlights the recent and past work on uses of various abiotic stresses and pretreatments and their impact on enhancing the efficiency of androgenesis on some major crop species for the development of doubled haploid plants...

..In this review, we present an outline of the method, various bioinformatics methods for data analysis and general applications of this important technology...

..In each of these stresses we have tried to address the issues, which significantly affect the gene expression in relation to plant physiology...

..Furthermore, the exogenous application of PAs is also another option for increasing the stress tolerance potential in plants. Here, we have described the synthesis and role of various polyamines in abiotic stress tolerance in plants...

..The aim of this review is to discuss the regulatory mechanism of S uptake and assimilation, GSH and PC synthesis for Cd stress tolerance in crop plants...

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..This study suggests the role of pea Gβ subunit in stress signal transduction and development pathways owing to its capability to interact with a wide range of proteins of multiple functions...

..On the other hand, at low Cd concentration (25mg Cd kg(-1) soil) co-ordination of S and N metabolism complemented to the antioxidant machinery to protect the growth and photosynthesis of L. sativum plants...

..In this review we present an outline of the method and updated information on the applications of SAGE technology to various cancers...

..Pfam domain search analysis pointed to its likely role as a translation initiation factor. The presence of an eIF5B-like factor in a plant system will aid in better understanding of the mechanism of translation initiation in plants...

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