salt tolerance in tomato plants

... improvement in K+/Na+ ratio [54], leading to increased salt tolerance. The factor responsible for initiating such an increase in ABA biosynthesis remains elusive, requiring further research. Inconsistencies ... developing seedlings [83]. NaCl priming in melon seedlings grown in saline conditions increases their salt tolerance [87]. Total emergence and dry weight were higher in melon seedlings derived ... at germination level in halophytes have failed to take into account differences in salt tolerance during early seedling development. An investigation showed that germinating seeds in both

Ngày tải lên: 06/07/2014, 02:20

... seedlings, suggesting that the involvement of OsCYP2 in the response of rice seed- ling to salt stress is required, but also it can enhance salt tolerance in transgenic rice seedlings by controlling ... proline residue and the preceding residue, and functions as a molecular chaperone involved in protein folding, and refolding of denatured proteins. OsCYP2 possesses seven residues, including ... (Additional file 6), indicating that OsCYP2 does not play a role in osmoti c protection of rice seedlings against salt stress. Interestingly, wild- type seedlings exhibited a marked reduction in maximal

Ngày tải lên: 11/08/2014, 11:21

... order... depth in order to obtain a better understanding of the different mechanisms of salt tolerance in tomato Thus, the ILs or derived lines may be useful in pinpointing the exact ... f the lines had higher CAT activity. For the ILs, salt treatment significantly decreased activity in 71% of the lines, increased it in 23% of the lines and had no effect in the re maining 6% ... decreases in POX activity were seen in 33% of the ILs. In contrast, increases in activity were observed in 59% of the ILs. No significant change in activity was seen in 8% of the lines. The greatest increase

Ngày tải lên: 12/08/2014, 03:21

... (2013) evaluated nineteen genotypes of tomato composing of sixteen exotic collections and three varieties of tomato, reporting similar findings in respect to ascorbic acid content Singh et al., (2003) ... recorded in the Total Chlorophyll content amongst the 15 tomato genotypes Under drought stress, WIR-4360 showed increase in proline level as compared to control Minimum increase was found in Roma ... The minimum total carotenoids content was noted in F-7028 (3.42mg/100g) in irrigated condition and in drought condition in WIR4360(0.58 mg/100g) (Table 4) The results showed increasing trend in

Ngày tải lên: 13/01/2020, 22:18

... determine their role in chloride transport in grapevine and other plants Keywords: ABA signalling, ACA, CAX, mRNA, Salt overly sensitive (SOS), Woody perennial Background Grapevine (Vitis vinifera ... genes involved in controlling shoot Cl− exclusion Solutes travel from the roots to the shoot in the xylem Physiological studies using radiotracers and fluorescent dyes in grapevine have indicated ... plant kingdom are not known [9] This is in contrast to the control of long-distance Na+ transport in plants where numerous reports have targeted known genes in order to improve the salt tolerance

Ngày tải lên: 27/05/2020, 00:09

... caused a significant increase in mean germination time and decrease in germination Present studies are intensely supported by the finding of Uniyal et al., (1998) The germination rapidity of tolerant ... other experiments in different plants including Kalefetoglu et al., (2009) in chickpea The rate of germination seems to be more sensitive to the water stress than final germination percentage ... controls in future studies However, the internal physiological investigation is needed for assessing their variable response Introduction root length, shoot length and seed vigour in certain crop plants

Ngày tải lên: 05/11/2020, 04:47

... traits, the effective sampling method, and finally to find QTLs contributing to improving salt tolerance in rice Thirty-seven rice varieties were screened for salt tolerance using a hydroponic system ... harboring those salt tolerance genes Salinity tolerance in rice is regulated by multiple genes Expression of salinity tolerance is the result of many physiological and biochemical activities in plants ... were used in sampling method experiment in phytotron In the control, Yoshida solution was used continuously during the experiment In the salt treatment, seedlings were grown for two weeks in a 12

Ngày tải lên: 04/04/2021, 23:49

... synthesis of endogenous amino acids in leaf cells, resulting in a sharp increase in the content of free amino acids in leaves, thus increasing cell osmoregulation substances and inducing a large amount ... the significance of exogenous GABA inducing amino acid content is not only maintaining metabolic balance to increase tolerance to salt stress but also increasing osmotic adjustment capacity to ... causing salt stress injury to plants [3] Recently, the total soil salt content in greenhouse vegetable fields increased by 69.3% (in which Na+ and Cl− increased by 140 and 58% respectively) [4] Tomato

Ngày tải lên: 28/06/2021, 20:42

... Mapping QTLs conferring salt tolerance during germination in tomato by selective genotyping Mol Breeding 3, 269–277 Foolad, M R., F Q Chen, and G Y Lin, 1998: RFLP mapping of QTLs conferring salt ... RFLP mapping of QTLs conferring salt tolerance during the vegetative stage in tomato Theor Appl Genet 99, 235–243 Foolad, M R., and R A Jones, 1993: Mapping salt- tolerance genes in tomato (Lycopersicon ... Comparison of salt tolerance during seed germination and vegetative growth in tomato by QTL mapping Genome 42, 727–734 Foolad, M R., 1999b: Genetics of salt tolerance and cold tolerance in tomato:

Ngày tải lên: 07/10/2021, 01:20

... Selaginella tamariscina during dehydration included RuBisCO large sub unit, chlorophyll a/b binding protein, and oxygen evolving complex protein (Wang et al., 2010) During dehydration, LEA proteins ... representing 103 unique proteins with unknown functions were identified (Wang et al., 2010) The proteins down-regulated in Selaginella tamariscina during dehydration included proteins involved in photosynthesis, ... (L-Y-glutamyl-L-α-aminobutyrylglycine) are prominent in desiccated tissues (Yobi et al., 2013) Similarly in Sporobolus stapfianus, amino acids such as asparagine, arginine, glutamate, glutamine, and the amino

Ngày tải lên: 01/11/2022, 09:49

... domain binded the nucleotide sugar and the B domain binded the acceptor substrate, together forming a viable catalytic center14,15 Moreover, there were two N-terminal putative zinc finger domains ... shoot induction medium (MS medium containing 2 mg/L ZT and 0.01 mg/L IAA) for two days in darkness The incubated explants were immersed into the Agrobacterium tumefaciens solution for 4–8 min (to ... (conferring hygromycin resistance) A hygromycin sensitivity test was performed using cotyledon and hypocotyl explants from seven-day-old seedling27 Hypocotyl and cotyledon explants were pre-incubated on

Ngày tải lên: 04/12/2022, 14:56

... abscisic acid (ABA) accumulation was higher in water-stressed plants followed by that observed in plants under stress combination ABA signaling in these plants was confirmed by the expression of ... important role in abiotic stress-induced signaling and tolerance [11, 18] Particularly, it has been proposed that SA may induce thermotolerance in several plant species [19–22] Studies in Arabidopsis ... ABA signaling through inhibition of PP2Cs and activate influx Ca2+ channels, increasing its cytosolic concentration Subsequently, this Ca2+ accumulation contributes to inhibit ion influx into guard

Ngày tải lên: 22/05/2020, 05:14

... TaNAC29 in wheat Figure S7 Expression of TaNAC29 in transgenic Arabidopsis lines Figure S8 Delaying in bolting and flowering of TaNAC29-overexpression line (OE1) in comparison to the WT plants ... fewer investigations into NAC in wheat In bread wheat (Triticum aestivum), transgenic lines overexpressing TaNAC69 produce more biomass in the shoot and root when grown under stress-inducing conditions ... those observed in JUB1- and ATAF1-overexpressing plants [5, 7] Next, TaNAC29-overexpression plants were examined for tolerance to salt stress Twenty-five-day-old seedlings, grown in soil, were

Ngày tải lên: 26/05/2020, 20:10

... factors, and the remaining targets included ABC transporter, F-box protein, proteins involved in sRNA biogenesis and function, and two laccases functioning in lignin biosynthesis In addition, 290 ... applied in breeding stress-tolerant plants and genetically engineering plants with improved properties, which are suitable for growing on marginal lands Results Sequencing and data analysis In the ... during salt treatment and between the shoots and roots were also investigated This study contributed in elucidating the molecular mechanisms of salt tolerance in S europaea Specific miRNAs in

Ngày tải lên: 26/05/2020, 23:56

... GT-4 encoded a protein of 372 amino acids and the protein had a trihelix DNA binding domain in the N-terminus and a variable C-terminus Arabidopsis seedlings were treated with salt stress and the ... genes encoding putative GT-4-interacting proteins, a cDNA encoding a transcription factor TEM2 (At1g68840) containing an AP2/ERF domain was selected for further investigation To clarify the interaction, ... GT-4 protein was divided into N-terminal (amino acid No to 113, 1/113) and C-terminal (amino acid No 114 to 372,114/372) The full length, N-terminal (1/113) and C-terminal (114/372) coding regions

Ngày tải lên: 27/05/2020, 00:38

... 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 ... 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...

Ngày tải lên: 14/02/2014, 12:20

... homologs. The amino-acid sequence analysis of rice TOP6 pro- teins also predicted several potential putative phos- phorylation sites for casein kinase II, protein kinase C, tyrosine kinase, histidine kinase, ... of OsTOP6A2, OsTOP6A3, and OsTOP6B increased in response to auxin and cytokinin, indica- ting their role in cell proliferation and hormone signa- ling. The interaction of OsTOP6A3 with OsTOP6B along ... ERD10, KIN1, and KIN2, analyzed in this study, under stress conditions. The differentially expressed genes in transgenic plants that encode proteins that probably function in stress tolerance include...

Ngày tải lên: 30/03/2014, 10:20

... and in ux systems are very impor- tant for cellular ion relationships in natural conditions. Increasing in ux, decreasing efflux or both can maxi- mize K + uptake to maintain K + homeostasis in plants [32,33]. ... Histochem- ical staining indicated that AtHELPS is mainly expressed in the young seedlings and vascular tissues of leaves and roots. Using both helps mutants and overexpression lines, we observed that, in the ... progress in determining the molecular mecha- nism of the regulation of K + uptake in plants has been made [10,11,40]. AKT1 was first reported to be expressed in roots and involved directly in the mineral...

Ngày tải lên: 14/02/2014, 18:20

... Radding CM (1998) Interaction of human rad51 recombination protein with single-stranded DNA binding protein, RPA. Nucleic Acids Res 26, 5388–5393. 17 Stauffer ME & Chazin WJ (2004) Physical interaction between ... soluble in the presence of 6 m urea. Soluble fractions were loaded on to columns contain- ing 10 mL His-Bind resin (Novagen). The columns were washed with 50 mL binding buffer containing 6 m ... vivo. It may func- tion in the sensing of DNA damage [22]. In contrast with the intensive study of RPA in ani- mals and yeast, little is known about this protein in plants. In 1997, an ortholog...

Ngày tải lên: 07/03/2014, 21:20

... processes in food processing procedures (drying, smoking, curing etc.). Toldrá and Flores (1998) suggested that lipolysis is one of the main processes of lipid degradation in fresh meat during processing; ... FFA displayed a threefold increase during drying, suggesting that lipolysis occurs before or during drying, whereas polar lipids and TAG decreased in the dried reindeer meat and were significantly ... critical suggestions in the design of the experimental solar drier, and Dr. Vu Quang Thanh for instruction in indoor drying techniques and allowing me to utilize the drying machines and equipment,...

Ngày tải lên: 13/03/2014, 18:58