A5049350118- Plant Stress Responses and Tolerance
- Light effects on plants
- Plant Molecular Biology Research
- Photosynthetic Processes and Mechanisms
- Plant responses to elevated CO2
- Wheat and Barley Genetics and Pathology
- Selenium in Biological Systems
- Plant Genetic and Mutation Studies
- Plant and animal studies
- Plant Parasitism and Resistance
- GABA and Rice Research
- Genetic Mapping and Diversity in Plants and Animals
- Agricultural Productivity and Crop Improvement
- Turfgrass Adaptation and Management
- Sunflower and Safflower Cultivation
- Rice Cultivation and Yield Improvement
- Nanoparticles: synthesis and applications
- Aluminum toxicity and tolerance in plants and animals
- Greenhouse Technology and Climate Control
- Crop Yield and Soil Fertility
- Heavy metals in environment
- Plant Micronutrient Interactions and Effects
- Flowering Plant Growth and Cultivation
- Innovations in Aquaponics and Hydroponics Systems
- Enzyme-mediated dye degradation
Agricultural Institute
2014-2025
Centre for Agricultural Research
2014-2025
Hungarian Academy of Sciences
2013-2019
University of Pannonia
2013-2016
Reduced height (Rht) genes have revolutionised wheat cultivation, but they can compromise freezing tolerance, and only a few alleles are in use. Thus, evaluating the role of other Rht stress responses is crucial. Far-red supplementation white light (W+FR) induce pre-hardening cereals at 15°C. However, relevant effect blue enrichment (W+B) poorly described. This study investigates influence W+FR or W+B exposure young winter leaves tall (wild-type, rht12) dwarf, gibberellin-deficient...
The effects of various light intensities and spectral compositions on glutathione amino acid metabolism were compared in wheat. Increase intensity (low—normal—high) was accompanied by a simultaneous increase the shoot fresh weight, photosynthetic activity content. These parameters also affected modification ratios blue, red far-red components (referred to as pink lights) normal white light. content decreased 50% percentage disulfide (characterising redox state tissues) total pool doubled...
Abstract Ascorbate, hydrogen peroxide and sulfide affect the cellular redox homeostasis by distinct mechanisms. This work aimed to compare their relative effect (set against control) on hormonal state of maize seedlings application an oxidant (5 mM H 2 O ) two reductants ascorbate 1 NaHS). Interestingly, NaHS significantly increased reduced‐to‐oxidized glutathione ratio in shoots, resulting a more reduced environment. In contrast, Asc decreased this ratio, leading oxidative stress, while had...
As both abiotic stress response and development are under redox control, it was hypothesised that the pharmacological modification of environment would affect initial flower primordia freezing tolerance in wheat (Triticum aestivum L.). Pharmacologically induced changes were monitored winter (T. ae. ssp. cv. Cheyenne, Ch) spring spelta; Tsp) genotypes grown after germination at 20/17°C for 9 d (chemical treatment: last 3 d), then 5°C 21 first 4 d) subsequently (recovery period). Thiols their...
CBF (C-repeat binding factor) transcription factors show high expression levels in response to cold; moreover, they play a key regulatory role cold acclimation processes. Recently, however, more and information has led the conclusion that, apart from cold, light—including its spectra—also crucial regulating expression. Earlier, studies established that patterns of some these genes follow circadian rhythms. To understand this complex process, we studied signal transducing pathways, including...
Abiotic stresses induce oxidative stress, which modifies the level of several metabolites including amino acids. The redox control free acid profile was monitored in wild-type and ascorbate or glutathione deficient mutant Arabidopsis thaliana plants before after hydroponic treatment with various agents. Both mutations treatments modified size state (AsA) and/or (GSH) pools. total content increased by AsA, GSH H2 O2 all three genotypes a very large (threefold) increase observed GSH-deficient...
Reactive oxygen species and antioxidants have an important role in the regulation of plant growth development under both optimal stress conditions. In this study, we investigate a possible redox control miRNAs wheat (Triticum aestivum ssp. aestivum). Treatment seedlings with 10 mM H2O2 via roots for 24 h resulted decreased glutathione content, increased half-cell reduction potential disulphide/glutathione pair, greater ascorbate peroxidase activity compared to plants. These changes were...
Abstract Light‐intensity‐dependent (low, normal and high) differences in thiol amino acid metabolism during drought were compared wheat seedlings. The drought‐tolerant genotype (Plainsman) recovered better than the sensitive one (Cappelle Desprez) after stress as shown by growth photosynthetic parameters, levels of which greater low high light, respectively. Glutathione an antioxidant contributed to this difference, since its level was twofold Plainsman throughout experiment. In addition,...
SUMMARY Carotenoids contribute to a variety of physiological processes in plants, functioning also as biosynthesis precursors ABA and strigolactones (SLs). SL starts with the enzymatic conversion all‐ trans ‐β‐carotene 9‐ cis‐ β‐carotene by DWARF27 (D27) isomerase. In Arabidopsis, D27 has two closely related paralogs, D27‐LIKE1 D27‐LIKE2, which were predicted be β‐carotene‐isomerases. present study, we characterised identified some key aspects its functions Arabidopsis. d27‐like1‐1 mutant...
Summary Mutations in the Rht‐B1a and Rht‐D1a genes of wheat ( Triticum aestivum ; resulting Rht‐B1b Rht‐D1b alleles) cause gibberellin‐insensitive dwarfism are one most important elements increased yield introduced during ‘Green Revolution’. We measured effects a short period heat imposed early reproductive stage on near‐isogenic lines carrying or alleles, with respect to wild‐type (WT). The temperature shift caused significant fertility loss within ears wheats, greater than that observed...
Abstract The proposed spectral control of the adaptive metabolic responses to drought was tested by comparison two wheat genotypes with different stress tolerance. White light used as reference see effects three altered ratios blue, red, and far-red components, which conditions are referred pink, lights. Under all conditions, greatly reduced growth both genotypes. However, glutathione content decreased proline level increased, independently spectrum, only in sensitive genotype. Far-red...
Spectral quality, intensity and period of light modify many regulatory stress signaling pathways in plants. Both nitrate sulfate assimilations must be synchronized with photosynthesis, which ensures energy reductants for these pathways. However, photosynthesis is also a source reactive oxygen species, whose levels are controlled by glutathione other antioxidants. In this study, we investigated the effect supplemental far-red (735 nm) blue (450 lights on diurnal expression genes related to...
Abstract We assumed that miRNAs might regulate the physiological and biochemical processes in plants through their effects on redox system phytohormones. To check this hypothesis, transcriptome profile of wild‐type Arabidopsis lines with decreased ascorbate (Asc), glutathione (GSH), or salicylate (Sal) levels were compared. GSH deficiency did not influence miRNA expression, whereas lower Asc Sal reduced accumulation 9 44 miRNAs, respectively, but only four upregulated. Bioinformatics...
The author provides an overview of law enforcement responses to recent migration challenges in Hungary.