salt stress tolerance of plants

... and impairment of this step was responsible for a decrease in salt tolerance indicating that GABA catabolism was a determinant of Arabidopsis salt tolerance GABA-T would act in salt responses ... aerial parts of plants in response to NaCl Additionally, GC-MS- and UPLC-based metabolite profiling revealed major changes in roots of pop2-1 mutant upon NaCl stress including accumulation of amino ... molecular function of GABA and the involvement of its metabolism in salt stress tolerance in higher plants Here, we investigated the regulation of GABA metabolism in Arabidopsis thaliana at the

Ngày tải lên: 12/08/2014, 03:21

... signaltransduction pathways that detect stress play a crucial role in the induction of stresstolerance in plants (Smalle and Vierstra, 2004) One of the important ways to developstress tolerance is by gene transfer ... ofstress-tolerant plants.degra-Physiological evaluation of transgenic plants manipulated to fortify tolerance to environmental physical stresses is also important Generally, tolerance of transgenicplants ... plant stress may vary from zero to severe throughmild and moderate levels In nature, plants may not be totally free from stresses Plantsare expected to experience some degree of stress of any

Ngày tải lên: 12/11/2022, 09:01

... composition of different plants, acertain critical level of nutrients is necessary for healthy growth of plants An idea ofelemental composition with relative levels of each of the nutrients for higher plants ... availability of the hemin cofactor and reversible changes of the translation efficiency of mRNA Plant J 31, 601-613. Smirnoff, N (1993) The role of active oxygen in the response of plants to water ... one of the importantnutrient amendments made to the soil to improve growth and yield of many crop plants Deficiency of nitrogen profoundly influence the morphology and physiology of plants Plants

Ngày tải lên: 12/11/2022, 09:01

... of the DREB1/CBF subfamily, are induced by high-salinity stress [23] Over-expression of the AtDREB1F/DDF1 gene causes dwarfism and higher tolerance to salt stress, mainly by reducing levels of ... for improving the stress tolerance of trans-genic plants Results Root length measurement, selection of time-points and salt concentration We evaluated the root growth status of M truncatula by ... levels of salt stress, respectively In order to induce a higher frequency of expression changes and maintain seedling activity simultaneously, as some seedlings under a high level of salt stress

Ngày tải lên: 11/08/2014, 11:21

... compo-nents of the salt-stress response, we studied the influence of AtNHX1 on gene expression after 12 hours, 48 hours, one week, and two weeks of salt stress This work is an extension of a previous ... exposure to two weeks of salt stress It was found that there was little overlap between the two comparisons suggesting that the role of the antiporter as part of the salt stress response machinery ... across all salt treatments, while the remaining genes were influenced as a result of a particular duration of salt stress Most (69%) of the genes were up-regulated in the absence of AtNHX1, with

Ngày tải lên: 12/08/2014, 05:20

... of GSH is catalyzed by glutathione reductase (GR) The ratio of GSH to GSSG can be a measure of oxidative stress whereas decreased ratios are indicative of high levels of ROS Chilling stress tolerance ... the redox state of the cell which is an integral part of the plants ability to respond effectively to additional stresses Tolerance to any stress largely depends on the potential of the antioxidative ... Yamasaki for his support, exemplary professionalism, and excellent sense of humor Trang 5TABLE OF CONTENTS Page LIST OF TABLES v LIST OF FIGURES vi LIST OF ABBREVIATIONS viii ABSTRACT xiii

Ngày tải lên: 24/08/2014, 13:14

... elongation during salt stress………124 Figure 31 Expression profile of TAA1 gene after salt stress; Cell width phenotype after salt treatment in taa1 mutants ………128 Figure 32 The abundance of TAA1 protein ... photosynthetic surfaces for plants to survive 1.3 Salt stress signaling in plants Salt stress can trigger the osmotic and ionic stress signaling Here we will describe the ionic stress signaling, also ... the inhibition of GA signaling during salt stress results the inhibition of primary root growth However, the inhibition of GA signaling is crucial for plants to survive under salt stress condition,

Ngày tải lên: 10/09/2015, 09:07

... by salt in the early stage of salt stress; the expression of all four genes was immediately increased after one hour of salt treatment These results suggest that the increased expression of ... pattern and the profile of cell length shared a certain level of similarity This suggests that inhibition of cell elongation contributes to inhibition of growth during salt stress.We next focused ... spatio-temporal transcriptional map of salt response, we found that out of eight functional isoforms of ACS (Tsuchisaka A, et al., 2009), four isoforms were responsive to salt treatment: ACS2, ACS6,

Ngày tải lên: 10/09/2015, 09:07

... PROMOTERS RESPOND TO SALT STRESS DYNAMICALLY 114 FIGURE 32.DYNAMIC ANALYSIS OF SALT STRESS RESPONSE OF THE KNOWN ELEMENTS 115 FIGURE 33.DYNAMIC ANALYSIS OF SALT STRESS RESPONSE OF THE UNKNOWN ELEMENTS ... 1SPATIOTEMPORAL CONTROL OF THE SALT STRESS INDUCED TRANSCRIPTIONAL RESPONSE IN ARABIDOPSIS RUI WU NATIONAL UNIVERSITY OF SINGAPORE 2013 Trang 2SPATIOTEMPORAL CONTROL OF THE SALT STRESS INDUCED TRANSCRIPTIONAL ... STABILIZATION OF BZIP FAMILY TRANSCRIPTION FACTORS UNDER SALT STRESS 126 FIGURE 39.PROTEIN STABILIZATION OF C2H2 FAMILY TRANSCRIPTION FACTOR,AZF3,UNDER SALT STRESS 127 Trang 16LIST OF ABBREVIATIONS

Ngày tải lên: 10/09/2015, 09:24

... (Palop et al., 2010) Plants are exposed to several abiotic stresses during its growth and development Salt-stress is one of the most prime hindrances in salt affected area of the world for crop ... decreases adverse effects of salt stress on plant growth Ascorbic acid play major role in stress by regulating complex sequence of biochemical reactions, induction of stress responsive protein ... Influence of seed treatments on fresh weight (mg) of tomato (Solanum lycopersicum L.) under salt stress (a) PVB-4 (b) Roma (a) (b) Trang 6Fig.4 Influence of seed treatments on dry weight (mg) of tomato

Ngày tải lên: 26/03/2020, 02:30

... random spots of soil depth 20 cm of entire plot using soil moisture meter at different days of plants leaf drooping response to moisture stress One access tubes for Delta-T PR1 Profile probes ... germination moisture stress hinders the initial good growth, recovery may be expected but it depends on duration of moisture stress In case of continued stage of moisture stress, crop may not ... temperature of cotton Table.1 List of genotypes and their source of locations Table.2 Percent of soil moisture content Trang 7Table.3 Analysis of variance for physio-biochemical traits in moisture stress

Ngày tải lên: 15/05/2020, 13:54

... [10, 41, 42] The role of OsHKT1;4 in salt tolerance mechanisms in rice QTL analyses for salt tolerance of durum wheat plants have led to the identification of the salt tolerance-determining Nax1 ... analysis ofOsHKT1;4 RNAi plants in salinity stress conditions To investigate whether OsHKT1;4-mediated Na+ trans-port contributes to salt tolerance in rice plants, we gener-ated OsHKT1;4 RNAi plants ... structures Expression profiles of theOsHKT1;4 gene in a japonica cultivar of rice We investigated the tissue-specific expression pattern of OsHKT1;4 at various growth stages of rice plants using the

Ngày tải lên: 22/05/2020, 03:51

... additive combination of the effects of the individual stress factors [1, 2] Therefore, the future development of broad-spectrum stress-tolerant plants will require the under-standing of the responses ... responses of plants to a combination of stress conditions could not be inferred simply from the study of each individual stress [1, 7] For this reason, there is a need to understand the nature of responses ... maximum efficiency of PSII photochemistry (F/F ratio) that Fig 1 Phenotypic traits of citrus plants in response to a combination of drought and heat stress Intact sprouts (%) of Carrizo and Cleopatra

Ngày tải lên: 22/05/2020, 05:14

... investigated the roles of lncRNAs in osmotic and salt stress responses of plants In the present study, we identi-fied a comprehensive set of lncRNAs that are responsive to osmotic and salt stresses in leaves ... osmotic stress in leaves (OS-L), osmotic stress in roots (OS-R), salt stress in leaves (SS-L) and salt stress in roots (SS-R) from outer to inner, respectively. b Distribution of different types of ... and salt stresses, and the lncRNA TCONS_00047650 was expressed from the regulatory region of Medtr3g 00047650may regulate the expression of Medtr3g069280 Plants under osmotic and salt stresses often

Ngày tải lên: 26/05/2020, 21:25

... Regions and Shanxi Province of China [22] Due to its tolerance to various stresses, C inter-mediais an ideal material for studying the mechanism of stress tolerance and can offer effective opportunities ... Overexpression ofCiNAC3 and CiNAC4 enhanced salt tolerance of the transgenic Arabidopsis To examine whether the transgenic plants confer toler-ance to salt conditions, wild- type and transgenic plants ... sensitivity during seed germination and salt tolerance of the transgenic plants Result Identification and cloning ofCiNAC3 and CiNAC4 The cDNA and gDNA sequences of CiNAC3 and CiNAC4 were isolated

Ngày tải lên: 26/05/2020, 21:59

... genome, with four of them being homologs of MKK4/MKK9, four of MPK3/MPK6and five of CPK2 as well as seven of EBF and ten homologs of ETO/EOL (Fig 2) Transcriptional regulation of soybean ethylene ... regions of target genes [38] EIN3 can induce transcription not only of ERF1 but also of other members of the AP2/ERF transcription factor super-family [39] The mechanism underlying environmental stress ... analyzed the relative expression of some selected genes in resistant and tolerant soybean plants subjected to water deficit The differential expression of a set of five soybean ethylene-related

Ngày tải lên: 26/05/2020, 22:03

... declined and disappeared at the end of 6 h (Figure 1B) Expression profile of the alr4641 transcript exposed to different concentra-tions of oxidative/osmotic stress causing agents for 1 h was monitored ... analysis of ~200-bp product identi-fied the start of alr4641 transcript to be 165-nt upstream of the translational start of the alr4641 ORF (Figure 2B) Bioinformatic analysis revealed the presence of ... activity [8,25] The presence of the 0.9-knt alr4641 transcript (Figure 1) indicates that in spite of their adjacent location, the Figure 8 Oxidative stress tolerance of the wild-type Anabaena PCC7120

Ngày tải lên: 26/05/2020, 23:53

... amplification of 5′ Figure 4 Validation of expression profiles of miRNAs (A) Heat map of sequencing (S) and stem-loop qRT-PCR data (P) Relative expression level was calculated using Log 2 (Salt/Salt-0 ... sodium elem-ent contelem-ent of the aerial parts of the plant [24] The aim of this study is to investigate the roles of miRNAs with regard to the salt tolerance of S europaea Usually, 150– 300 ... glycophytes Roles of miRNAs in salt tolerance ofS europaea A potential regulatory network of salt-responsive miR-NAs in S europaea is proposed based on the character-istics of their targets (Figure

Ngày tải lên: 26/05/2020, 23:56

... regulation of miRNAs between control and salt-stressed broccoli indicates that miRNAs play an integral role in the regulation of responses to salt stress Keywords: Broccoli, Salt stress, High-throughput ... physiological integrity of plants are affected by salt stress and in recent years many studies have been devoted to understanding the molecular mech-anisms of plant salt tolerance Studies have ... expression of putative novel miRNAs between control and salt-stressed broccoli (A) Scatter diagram of differential read counts of putative miRNAs (B) Prediction of secondary structure of representative

Ngày tải lên: 27/05/2020, 01:09

... potential of plants as crops in a CO 2 rich world can be assessed. Keywords Abiotic stress • Antioxidants • Osmolytes • Oxidative stress Environmental Adaptations and Stress Tolerance of Plants ... Prasad Editors Environmental Adaptations and Stress Tolerance of Plants in the Era of Climate Change xiv Contributors Liliana T. Maslenkova Bulgarian Academy of Sciences, Institute of Plant Physiology , Acad. ... Pro accumulation and tolerance to salt, drought, and the combined effects of these stresses. Osmotic stress (particularly mannitol stress) led to a considerable increase of the Pro concentration...

Ngày tải lên: 14/03/2014, 10:20