salt stress tolerance in plants

... strategies forimproving heat tolerance in plants are involved in cellular repair, rescue, cleanup and/or protection during the stress and Trang 205 FREEZING STRESSPlants growing in temperate and ... accumulation also increases freezing tolerance However, much informa-tion is not available regarding the freezing injury and tolerance mechanisms againstfreezing stress Recently much interest has ... Trang 2TOLERANCE IN PLANTSTrang 3of Stress Tolerance in PlantsOsmania University, India Andhra University, India Trang 4Printed on acid-free paperAll Rights Reserved © 2006 Springer No part

Ngày tải lên: 12/11/2022, 09:01

... oxidizing complex I or complex II substrates FEBS Lett 451, 347-350. Breusegem, F.V., Montagu, M V and Inzé, D (2002) Engineering stress tolerance in maize In: Oxidative stress in plants (Inzé, ... in germinating seeds (Bush et al.,1986).In the cytosol, calcium binding proteins known as calcium modulated proteinslike calmodulin (Snedden and Fromm, 2001), calmodulin binding proteins (Reddy ... cysteinyl glycine) plays a pivotal role in minimizing cellular disfunc-tion, arising through stress induced redox perturbation (Vernoux et al., 2002) Interest inthe benefits of genetically engineered

Ngày tải lên: 12/11/2022, 09:01

... protein involved in inducing double-strand breaks to initiate meiotic recombination in eukaryotes [8,9] Their exist-ence has also been shown in plants [10–14] In contrast with other eukaryotes, plants ... putative phos-phorylation sites for casein kinase II, protein kinase C, tyrosine kinase, histidine kinase, cAMP-dependent and cGMP-dependent protein kinases, and putative N-gly-cosylation, N-myristoylation ... genes in transgenic plants The induction of numerous stress-responsive genes is a hallmark of stress adaptation in plants To elucidate fur-ther the role of OsTOP6A3 and OsTOP6B in stress tolerance,

Ngày tải lên: 30/03/2014, 10:20

... decrease in salt tolerance indicating that GABA catabolism was a determinant of Arabidopsis salt tolerance GABA-T would act in salt responses in linking N and C metabolisms in roots Background Salt stress ... shown in tobacco plants overexpressing a truncated GAD that lacks auto-inhibi-tory calmodulin binding site (GADΔC plants) [48] However, since the GABA accumulation observed in these transgenic plants ... was partly due to induction of the gene in shoots GUS staining pattern of NaCl-treated roots seemed to be more complex GUS staining was indeed sharply reinforced in the terminal Figure 4 Oversensitivity

Ngày tải lên: 12/08/2014, 03:21

... correlated salt-mediated cell swelling, indicating that auxin efflux carriers may have a function in regulating this process Next, we wanted to know if auxin influx carriers are also involved in salt-mediated ... radial expansion in cortical cells during salt stress compared to wild type (Figure 24B), suggesting that CDPK1 is involved in regulating salt-mediated cell swelling These results indicate that ... regulator in cell elongation during salt stress Trang 37Figure 29 Auxin signaling is involved in regulating salt-mediated cortical cell swelling downstream of ethylene signaling pathway A) A redraw

Ngày tải lên: 10/09/2015, 09:07

... Trang 3plants maintain high water status either by efficient water absorption from roots or by reducing evapo-transpiration from aerial parts In case of drought tolerance, plants maintain turgor ... into increased tolerance to environmental stresses (Kusvuran et al., 2016) In this perspective, it is supposed to obtain an increase in the plant protective mechanisms with simultaneous increase ... genotypes in control condition and in drought condition 2.86-43.85 The maximum Fruit setting (%) was recorded in Money Maker in both the conditions The minimum Fruit setting (%) was recorded in Kashi

Ngày tải lên: 13/01/2020, 22:18

... homeostasis in plants disturbed by salt stress represents a crucial response Plant responses in countering ionic stress caused by high salinity include restricting salt intake, increased extrusion, ... (Collins et al, 2008) The products of stress-inducible genes which could be directly protecting against these stresses includes transcription factors, protein kinases and enzymes involved in phosphoinositide ... the sensor protein for this salt-induced calcium signature is the Ca+2-binding protein SOS3 A loss of function mutation in this protein renders the plant hypersensitive to salt stress Sodium extrusion

Ngày tải lên: 14/01/2020, 13:32

... al., 2012) In cotton, it is suggested that cotton plants experiencing moisture stress 15-30 days withholding water, considering this cotton plants experiencing moisture stress during 60-80 DAS ... of India In cotton the induction of reproductive parts (square) starts at 50-55 days after sowing depending on varieties within and between the species Flowering followed by squaring and finally ... and R3) later used to induce moisture stress Each genotype was raised in a single row of 4.0 m length with a spacing 90×20 cm in rain out shelter Imposition of moisture stress Water was applied

Ngày tải lên: 15/05/2020, 13:54

... Souza, A.C., Benko-Iseppon, A.M Drought Stress Tolerance in Plants: Insights from Transcriptomic Studies In Drought Stress Tolerance in Plants, Vol 2; Springer: Cham, Switzerland, 2016; pp 153–185 ... gives understanding and the improvement in draught tolerance including the main three research areas viz., breeding, physiology and the genetics When plants exposed to the draught stress the biochemical ... Phytoecol Sinica 2002; 26: 177-184 Pfeiffer WH, Trethowan RM, Van Ginkel M, Ortiz MI, Rajaram S Breeding for abiotic stress tolerance in wheat In abiotic stresses: plant resistance through breeding

Ngày tải lên: 06/08/2020, 00:50

... Swain (2004) obtained desirable gca effects for siliqua length in glossy mutant and Pusa Bahar in Brassica juncea These results clearly indicated that there is a scope for improving combining ... is collected This information are then used to combine desirable traits in a single hybrid For this purpose, genetic information on heterosis is useful for developing breeding strategies to meet ... siliqua length and oil content in timely be predicted on the basis of general combining ability effects alone.These findings were also corroborated by earlier findings by Patel et al., (1993),

Ngày tải lên: 23/09/2020, 00:37

... significantly increased in the near future (FAO, 2014) Due to increasing practices of direct seeding in rainfed and irrigated conditions, tolerance to hypoxic or anaerobic condition is becoming an important ... were obtained from Paddy Breeding Station, Tamil Nadu Agricultural University, Coimbatore Designing screening techniques to identify rice lines for anaerobic stress tolerance based on germination ... sensitive lines did not appear until about 7–8 d following sowing morphological traits associated with seedling growth under low oxygen stress Contrasting genotypes for anaerobic stress tolerance

Ngày tải lên: 23/09/2020, 00:37

... mechanism Proline is one of the osmolytes, which increases faster than other amino acids in plants under water deficit stress and help the plant to maintain cell turgour The increase in proline is usually ... The proline content was expressed as moles per gram fresh weight Glycine betaine Glycine betaine content in leaves of both the unstressed and stressed seedlings was determined by using the ... important grain legume crop in the world and first in the Mediterranean basin and South Asia that frequently experiences water stress during pod set and seed filling stage (terminal drought) in India

Ngày tải lên: 27/09/2020, 15:28

... resistance 9 2.4 Salt tolerance of plants (salt stress) 9 2.4.1 Harmful effects of salt stress 9 2.4.2 Salt-tolerant forms 10 Trang 32.4.3 Measures to improve salt stress tolerance 112.5 Pest tolerance ... together on plants For example, water shortage stress is often associated with salinity stress at the roots or high temperature stress in the leaves The stressor for this plant may not cause stress ... (phosphorylation of false rings) and changes in the mechanism of opening and opening the situation gas, opening only the giant gas at night and closing during the day thus very saving water 2.1.4 Drought-tolerant

Ngày tải lên: 11/03/2022, 13:08

... were much smaller in size with a single root that was short in length Thus, demonstrating increased tolerance of transgenics towards drought stress For assessing salinity stress tolerance, wild-type ... (http://creativecommons.org/licenses/by-nc-nd/4.0/) 1 Introduction Plants are exposed to various stresses in their environment, including both biotic and abiotic stresses and being sessile they cannot escape these stresses Nevertheless, plants ... drought and salt stress and could be a potential candidate gene manipulation of improving stress tolerance in crop plants in general and wheat in particular We are now currently working towards

Ngày tải lên: 01/11/2022, 09:07

... plays in maintaining lower Na+to K+ratio in the cytosol, thereby enhancing the salt tolerance CHEN ET AL. 2 Trang 3of A marina Our results show that an appropriate concen-tration of SNP induces increases ... used in other NO-related experiments To clarify the role of NO in inducing high Na+secretion rate and maintaining low Na+to K+ratio in leaves, specific NO synthesis inhibitors (N-nitro-L-arginine ... ratio in the washing solution was very high, and increased from 42.3 in the control to 76.4 in the 100 µM SNP-treated plants (Figure 3c) In con-trast, the Na+ to K+ ratio in the leaves maintained

Ngày tải lên: 06/07/2014, 02:20

... being a good proxy for stomatal opening, was shown in all species studied but with slopes reflecting their various salt tolerances By increasing CO2supply, it was demonstrated that high salinities ... respiration Burchett et al (1989) also found a salt induced increase in respiration in both A marina and A corniculatum, with a higher increase in the more salt-sensitive A corniculatum Net photosynthesis, ... as the dominant osmoregulating compounds Glycinebetaine, the most common compatible solute, has also been found in A marina (Ashihara et al., 1997). The active oxygen species including superoxide,

Ngày tải lên: 06/07/2014, 02:20

... down- regulated in response to salt stress. It was suggested that these genes may play an important role in mediating the input of cytokinin into the salt stress response pathway (Rashotte et al. 2006). In ... 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...

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 ... (2007) Exogenous proline and glycinebetaine increase NaCl-induced ascorbate- glutathione cycle enzyme activities, and proline improves salt tolerance more than glycinebetaine in tobacco Bright ... 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...

Ngày tải lên: 14/03/2014, 10:20

... 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