Radomı́ra Vaňková
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View article: Differences in the Improvement of Regeneration Ability of Wheat Calli by Ascorbate and H2O2 Through Modulation of Their Hormone and Metabolite Profile
Differences in the Improvement of Regeneration Ability of Wheat Calli by Ascorbate and H2O2 Through Modulation of Their Hormone and Metabolite Profile Open
Successful plant regeneration from calli is important during transformation and micropropagation of plants. In order to increase its efficiency, the redox environment of the wheat calli was modified. Calli were treated with 0, 10, 20 and 4…
View article: Cytokinin elevation caused by high light intensity contributes substantially to the increase of thermotolerance of rice plants
Cytokinin elevation caused by high light intensity contributes substantially to the increase of thermotolerance of rice plants Open
Light is a crucial factor affecting plant development. Rice (Oryza sativa) responses to high light (HL, 1300 μmol m−2 s−1, 27 °C) were characterized. HL significantly elevated root-born cytokinin, trans-zeatin in leaves due to transpiratio…
View article: Contrasting gene expression patterns during floral induction in two <i>Chenopodium ficifolium</i> genotypes reveal putative flowering regulators
Contrasting gene expression patterns during floral induction in two <i>Chenopodium ficifolium</i> genotypes reveal putative flowering regulators Open
Chenopodium ficifolium is a close diploid relative of the tetraploid crop Chenopodium quinoa. Owing to its reproducible germination and seedling development, it becomes a promising model for studying floral induction, providi…
View article: Blue or far‐red light supplementation induced pre‐hardening in the leaves of the <i>Rht12</i> wheat dwarfing line: hormonal changes and freezing tolerance
Blue or far‐red light supplementation induced pre‐hardening in the leaves of the <i>Rht12</i> wheat dwarfing line: hormonal changes and freezing tolerance Open
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 alleles in stress responses is crucial. Far‐red suppl…
View article: Short-term blue light priming affects the acquisition of thermotolerance in rice
Short-term blue light priming affects the acquisition of thermotolerance in rice Open
View article: High Light Intensity Increases Thermotolerance of Rice Plants by Elevating Cytokinin Levels
High Light Intensity Increases Thermotolerance of Rice Plants by Elevating Cytokinin Levels Open
View article: Plant metabolic responses to soil herbicide residues differ under herbivory in two woodland strawberry genotypes
Plant metabolic responses to soil herbicide residues differ under herbivory in two woodland strawberry genotypes Open
The use of glyphosate-based herbicides (GBHs) to control weeds has increased exponentially in recent decades, and their residues and degradation products have been found in soils across the globe. GBH residues in soil have been shown to af…
View article: Multi-hormonal analysis and aquaporins regulation reveal new insights on drought tolerance in grapevine
Multi-hormonal analysis and aquaporins regulation reveal new insights on drought tolerance in grapevine Open
View article: Modified Crosstalk between Phytohormones in Arabidopsis Mutants for PEP-Associated Proteins
Modified Crosstalk between Phytohormones in Arabidopsis Mutants for PEP-Associated Proteins Open
Plastid-encoded RNA polymerase (PEP) forms a multisubunit complex in operating chloroplasts, where PEP subunits and a sigma factor are tightly associated with 12 additional nuclear-encoded proteins. Mutants with disrupted genes encoding PE…
View article: Contrasting Gene Expression Patterns During Floral Induction in Two Chenopodium Ficifolium Genotypes Reveal Putative Flowering Regulators
Contrasting Gene Expression Patterns During Floral Induction in Two Chenopodium Ficifolium Genotypes Reveal Putative Flowering Regulators Open
View article: Modified Crosstalk between Phytohormones in Arabidopsis Mutants for PEP-Associated Proteins
Modified Crosstalk between Phytohormones in Arabidopsis Mutants for PEP-Associated Proteins Open
Plastid-encoded RNA polymerase (PEP) forms a multisubunit complex in operating chloroplasts, where PEP subunits and a sigma factor are tightly associated with 12 additional nuclear-encoded proteins. Mutants with disrupted genes encoding PE…
View article: Manifestation of Triploid Heterosis in the Root System after Crossing Diploid and Autotetraploid Energy Willow Plants
Manifestation of Triploid Heterosis in the Root System after Crossing Diploid and Autotetraploid Energy Willow Plants Open
Successful use of woody species in reducing climatic and environmental risks of energy shortage and spreading pollution requires deeper understanding of the physiological functions controlling biomass productivity and phytoremediation effi…
View article: Responses to abiotic and biotic stresses - from the cellular level to fruit development - contributions of the Czech Centre for Experimental Plant Biology
Responses to abiotic and biotic stresses - from the cellular level to fruit development - contributions of the Czech Centre for Experimental Plant Biology Open
The "Centre for Experimental Plant Biology", a joint project of the Institute of Experimental Botany of the Czech Academy of Sciences and CEITEC (represented by Mendel and Masaryk Universities), focused on elucidating the mechanisms of pla…
View article: Casein as protein and hydrolysate: Biostimulant or nitrogen source for <i>Nicotiana tabacum</i> plants grown in vitro?
Casein as protein and hydrolysate: Biostimulant or nitrogen source for <i>Nicotiana tabacum</i> plants grown in vitro? Open
In contrast to inorganic nitrogen (N) assimilation, the role of organic N forms, such as proteins and peptides, as sources of N and their impact on plant metabolism remains unclear. Simultaneously, organic biostimulants are used as priming…
View article: Cytokinins act synergistically with heat acclimation to enhance rice thermotolerance affecting hormonal dynamics, gene expression and volatile emission
Cytokinins act synergistically with heat acclimation to enhance rice thermotolerance affecting hormonal dynamics, gene expression and volatile emission Open
Heat stress is a frequent environmental constraint. Phytohormones can significantly affect plant thermotolerance. This study compares the effects of exogenous cytokinin meta-topolin-9-(tetrahydropyran-2-yl)purine (mT9THP) on rice (Oryza sa…
View article: Abscisic Acid and Cytokinins Are Not Involved in the Regulation of Stomatal Conductance of Scots Pine Saplings during Post-Drought Recovery
Abscisic Acid and Cytokinins Are Not Involved in the Regulation of Stomatal Conductance of Scots Pine Saplings during Post-Drought Recovery Open
Delayed or incomplete recovery of gas exchange after water stress relief limits assimilation in the post-drought period and can thus negatively affect the processes of post-drought recovery. Abscisic acid (ABA) accumulation and antagonisti…
View article: Epichloë Endophytes Shape the Foliar Endophytic Fungal Microbiome and Alter the Auxin and Salicylic Acid Phytohormone Levels in Two Meadow Fescue Cultivars
Epichloë Endophytes Shape the Foliar Endophytic Fungal Microbiome and Alter the Auxin and Salicylic Acid Phytohormone Levels in Two Meadow Fescue Cultivars Open
Plants harbor a large diversity of endophytic microbes. Meadow fescue (Festuca pratensis) is a cool-season grass known for its symbiotic relationship with the systemic and vertically—via seeds—transmitted fungal endophyte Epichloë uncinata…
View article: Hormonal Responses of Rice to Organ-Targeted Cold Stress
Hormonal Responses of Rice to Organ-Targeted Cold Stress Open
View article: The Effect of White Light Spectrum Modifications by Excess of Blue Light on the Frost Tolerance, Lipid- and Hormone Composition of Barley in the Early Pre-Hardening Phase
The Effect of White Light Spectrum Modifications by Excess of Blue Light on the Frost Tolerance, Lipid- and Hormone Composition of Barley in the Early Pre-Hardening Phase Open
It is well established that cold acclimation processes are highly influenced, apart from cold ambient temperatures, by light-dependent environmental factors. In this study we investigated whether an extra blue (B) light supplementation wou…
View article: <em>Epichloë</em> Endophytes Shape the Foliar Endophytic Fungal Microbiome and Alter the Auxin and Salicylic Acid Phytohormone Levels in Two Meadow Fescue Cultivars
<em>Epichloë</em> Endophytes Shape the Foliar Endophytic Fungal Microbiome and Alter the Auxin and Salicylic Acid Phytohormone Levels in Two Meadow Fescue Cultivars Open
Plants harbor a large diversity of endophytic microbes. Meadow fescue (Festuca pratensis) is a cool-season grass known for its symbiotic relationship to the systemic and vertically- via seeds - transmitted fungal endophyte Epichloë un…
View article: Light Quality Modulates Plant Cold Response and Freezing Tolerance
Light Quality Modulates Plant Cold Response and Freezing Tolerance Open
The cold acclimation process is regulated by many factors like ambient temperature, day length, light intensity, or hormonal status. Experiments with plants grown under different light quality conditions indicate that the plant response to…
View article: The transcriptomic (RNA-Sequencing) datasets collected in the course of floral induction in Chenopodium ficifolium 459
The transcriptomic (RNA-Sequencing) datasets collected in the course of floral induction in Chenopodium ficifolium 459 Open
The transition from vegetative growth to reproduction is the essential commitment in plant life. It is triggered by environmental cues (day length, temperature, nutrients) and regulated by the very complex signaling gene network and by phy…
View article: The high concentrations of abscisic, jasmonic, and salicylic acids produced under long days do not accelerate flowering in Chenopodium ficifolium 459
The high concentrations of abscisic, jasmonic, and salicylic acids produced under long days do not accelerate flowering in Chenopodium ficifolium 459 Open
The survival and adaptation of angiosperms depends on the proper timing of flowering. The weedy species Chenopodium ficifolium serves as a useful diploid model for comparing the transition to flowering with the important tetraploid crop Ch…
View article: Triploid Hybrid Vigor in Above-Ground Growth and Methane Fermentation Efficiency of Energy Willow
Triploid Hybrid Vigor in Above-Ground Growth and Methane Fermentation Efficiency of Energy Willow Open
Hybrid vigor and polyploidy are genetic events widely utilized to increase the productivity of crops. Given that bioenergy usage needs to be expanded, we investigated triploid hybrid vigor in terms of the biology of biomass-related willow …
View article: A Glyphosate-Based Herbicide in Soil Differentially Affects Hormonal Homeostasis and Performance of Non-target Crop Plants
A Glyphosate-Based Herbicide in Soil Differentially Affects Hormonal Homeostasis and Performance of Non-target Crop Plants Open
Glyphosate is the most widely used herbicide with a yearly increase in global application. Recent studies report glyphosate residues from diverse habitats globally where the effect on non-target plants are still to be explored. Glyphosate …
View article: Heat Stress Targeting Individual Organs Reveals the Central Role of Roots and Crowns in Rice Stress Responses
Heat Stress Targeting Individual Organs Reveals the Central Role of Roots and Crowns in Rice Stress Responses Open
Inter-organ communication and the heat stress (HS; 45°C, 6 h) responses of organs exposed and not directly exposed to HS were evaluated in rice ( Oryza sativa ) by comparing the impact of HS applied either to whole plants, or only to shoot…
View article: Heat Stress Targeting Individual Organs Reveals the Central Role of Roots and Crowns in Rice Stress Responses
Heat Stress Targeting Individual Organs Reveals the Central Role of Roots and Crowns in Rice Stress Responses Open
Inter-organ communication and the heat stress (HS; 45°C, 6 h) responses of organs exposed and not directly exposed to HS were evaluated in rice (Oryza sativa) by comparing the impact of HS applied either to whole plants, or only to shoots …
View article: Gliding Arc Plasma Treatment of Maize (Zea mays L.) Grains Promotes Seed Germination and Early Growth, Affecting Hormone Pools, but Not Significantly Photosynthetic Parameters
Gliding Arc Plasma Treatment of Maize (Zea mays L.) Grains Promotes Seed Germination and Early Growth, Affecting Hormone Pools, but Not Significantly Photosynthetic Parameters Open
Maize grains (Zea mays convar. Indentata Sturt.) were treated with non-thermal plasma, where Gliding Arc plasma discharge at an atmospheric pressure was used (working gas: Air; time duration: 0 s, 180 s, 300 s, 600 s). The experiment was c…
View article: Crosstalk between Light- and Temperature-Mediated Processes under Cold and Heat Stress Conditions in Plants
Crosstalk between Light- and Temperature-Mediated Processes under Cold and Heat Stress Conditions in Plants Open
Extreme temperatures are among the most important stressors limiting plant growth and development. Results indicate that light substantially influences the acclimation processes to both low and high temperatures, and it may affect the leve…
View article: Limited light intensity and low temperature: Can plants survive freezing in light conditions that more accurately replicate the cold season in temperate regions?
Limited light intensity and low temperature: Can plants survive freezing in light conditions that more accurately replicate the cold season in temperate regions? Open
Plants in temperate regions have evolved mechanisms that enable them to survive sudden temperature drops. Experiments with plants grown in long-day conditions, in which they are most sensitive to freezing stress, indicate that the cold acc…