Erwin Grill
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View article: Integrating multi‐omics data reveals energy and stress signaling activated by abscisic acid in Arabidopsis
Integrating multi‐omics data reveals energy and stress signaling activated by abscisic acid in Arabidopsis Open
SUMMARY Phytohormones are essential signaling molecules regulating various processes in growth, development, and stress responses. Genetic and molecular studies, especially using Arabidopsis thaliana (Arabidopsis), have discovered many imp…
View article: Protein kinase <scp><b>SnRK2</b></scp>.<b>4 is a key regulator of aquaporins and root hydraulics in Arabidopsis</b>
Protein kinase <span><b>SnRK2</b></span>.<b>4 is a key regulator of aquaporins and root hydraulics in Arabidopsis</b> Open
SUMMARY Soil water uptake by roots is a key component of plant water homeostasis contributing to plant growth and survival under ever‐changing environmental conditions. The water transport capacity of roots (root hydraulic conductivity; L …
View article: Abscisic acid agonists suitable for optimizing plant water use
Abscisic acid agonists suitable for optimizing plant water use Open
Climate change and overexploitation of groundwater resources cause constraints on water demand for agriculture, thus threatening crop productivity. For future food security, there is an urgent need for crops of high water use efficiency co…
View article: Burning questions for a warming and changing world: 15 unknowns in plant abiotic stress
Burning questions for a warming and changing world: 15 unknowns in plant abiotic stress Open
We present unresolved questions in plant abiotic stress biology as posed by 15 research groups with expertise spanning eco-physiology to cell and molecular biology. Common themes of these questions include the need to better understand how…
View article: Natural alleles of the abscisic acid catabolism gene<i>ZmAbh4</i>modulate water use efficiency and carbon isotope discrimination in maize
Natural alleles of the abscisic acid catabolism gene<i>ZmAbh4</i>modulate water use efficiency and carbon isotope discrimination in maize Open
Altering plant water use efficiency (WUE) is a promising approach for achieving sustainable crop production in changing climate scenarios. Here, we show that WUE can be tuned by alleles of a single gene discovered in elite maize (Zea mays)…
View article: Local jasmonic acid cues drive systemic acquired resistance signal generation
Local jasmonic acid cues drive systemic acquired resistance signal generation Open
The phytohormones salicylic acid (SA) and jasmonic acid (JA) promote two, mutually antagonistic immune pathways respectively protecting plants from biotrophic pathogens and necrotrophic pathogens or insects. This trade-off largely preclude…
View article: Moonlighting Function of Phytochelatin Synthase1 in Extracellular Defense against Fungal Pathogens
Moonlighting Function of Phytochelatin Synthase1 in Extracellular Defense against Fungal Pathogens Open
Phytochelatin synthase (PCS) is a key component of heavy metal detoxification in plants. PCS catalyzes both the synthesis of the peptide phytochelatin from glutathione and the degradation of glutathione conjugates via peptidase activity. H…
View article: Sustainable bioenergy for climate mitigation: developing drought-tolerant trees and grasses
Sustainable bioenergy for climate mitigation: developing drought-tolerant trees and grasses Open
Background and Aims Bioenergy crops are central to climate mitigation strategies that utilize biogenic carbon, such as BECCS (bioenergy with carbon capture and storage), alongside the use of biomass for heat, power, liquid fuels and, in th…
View article: The formation of a camalexin-biosynthetic metabolon
The formation of a camalexin-biosynthetic metabolon Open
Arabidopsis (Arabidopsis thaliana) efficiently synthesizes the antifungal phytoalexin camalexin without the apparent release of bioactive intermediates, such as indole-3-acetaldoxime, suggesting that the biosynthetic pathway of this compou…
View article: Abscisic Acid Receptors and Coreceptors Modulate Plant Water Use Efficiency and Water Productivity
Abscisic Acid Receptors and Coreceptors Modulate Plant Water Use Efficiency and Water Productivity Open
Improving the water use efficiency (WUE) of crop plants without trade-offs in growth and yield is considered a utopic goal. However, recent studies on model plants show that partial restriction of transpiration can occur without a reductio…
View article: Arabidopsis phytochelatin synthase 1, but not phytochelatin synthesis, functions in extracellular defense against multiple fungal pathogens
Arabidopsis phytochelatin synthase 1, but not phytochelatin synthesis, functions in extracellular defense against multiple fungal pathogens Open
Phytochelatin synthase (PCS) is a key component of heavy metal detoxification in plants. PCS catalyzes both the synthesis of the peptide phytochelatin from glutathione as well as the degradation of glutathione conjugates via peptidase acti…
View article: Modulation of ABA responses by the protein kinase WNK8
Modulation of ABA responses by the protein kinase WNK8 Open
Abscisic acid (ABA) regulates growth and developmental processes in response to limiting water conditions. ABA functions through a core signaling pathway consisting of PYR1/PYL/RCAR ABA receptors, type 2C protein phosphatases (PP2Cs), and …
View article: Increased water use efficiency and water productivity of arabidopsis by abscisic acid receptors from Populus canescens
Increased water use efficiency and water productivity of arabidopsis by abscisic acid receptors from Populus canescens Open
Background and Aims Water deficit is the single most important factor limiting plant productivity in the field. Poplar is a crop used for second-generation bioenergy production that can be cultivated on marginal land without competing for …
View article: Generating Plants with Improved Water Use Efficiency
Generating Plants with Improved Water Use Efficiency Open
To improve sustainability of agriculture, high yielding crop varieties with improved water use efficiency (WUE) are needed. Despite the feasibility of assessing WUE using different measurement techniques, breeding for WUE and high yield is…
View article: Fine-tuning of ABA responses by the protein kinase WNK8
Fine-tuning of ABA responses by the protein kinase WNK8 Open
SUMMARY The phytohormone abscisic acid (ABA) regulates various growth- and developmental processes in response to limiting water conditions. ABA functions through an established signaling pathway consisting of PYR1/PYL/RCAR ABA receptors t…
View article: Combinatorial interaction network of abscisic acid receptors and coreceptors from <i>Arabidopsis thaliana</i>
Combinatorial interaction network of abscisic acid receptors and coreceptors from <i>Arabidopsis thaliana</i> Open
Significance The phytohormone abscisic acid (ABA) is the key signal for regulation of a plant’s water status. ABA signaling mediates drought resistance and can ameliorate water-use efficiency in plants. Arabidopsis has different ABA recept…
View article: Interaction network of <scp>ABA</scp> receptors in grey poplar
Interaction network of <span>ABA</span> receptors in grey poplar Open
Summary The plant hormone abscisic acid ( ABA ) is a key player in responses to abiotic stress. ABA regulates a plant's water status and mediates drought tolerance by controlling stomatal gas exchange, water conductance and differential ge…
View article: Leveraging abscisic acid receptors for efficient water use in <i>Arabidopsis</i>
Leveraging abscisic acid receptors for efficient water use in <i>Arabidopsis</i> Open
Significance Water is the major limiting factor for plant productivity in the field, and current water use in agriculture is not sustainable. Under water limitations, plants can ameliorate the carbon for water exchange leading to higher wa…