A5070193035- Plant-Microbe Interactions and Immunity
- Plant Parasitism and Resistance
- Plant Stress Responses and Tolerance
- Plant Virus Research Studies
- Plant Molecular Biology Research
- Plant Pathogenic Bacteria Studies
- Plant responses to elevated CO2
- Legume Nitrogen Fixing Symbiosis
- Nematode management and characterization studies
- Powdery Mildew Fungal Diseases
- Insect-Plant Interactions and Control
- Plant and animal studies
- Flowering Plant Growth and Cultivation
- Soybean genetics and cultivation
- Plant Disease Resistance and Genetics
- Fire effects on ecosystems
- Carbohydrate Chemistry and Synthesis
- Calcium signaling and nucleotide metabolism
- Plant Pathogens and Resistance
- Transgenic Plants and Applications
- Fungal Plant Pathogen Control
- Climate Change, Adaptation, Migration
- Photosynthetic Processes and Mechanisms
- Atmospheric chemistry and aerosols
- Indoor Air Quality and Microbial Exposure
University of Birmingham
2018-2025
Forest Research
2019-2025
University of Sheffield
2011-2020
Lancaster University
2011-2012
Universitat Jaume I
2011
University of Neuchâtel
2011
Rothamsted Research
2010-2011
Friedrich Miescher Institute
2011
Callose deposition in Arabidopsis has emerged as a popular model system to quantify activity of plant immunity. However, there been noticeable rise contradicting reports about the regulation pathogen-induced callose. To address this controversy, we have examined robustness callose under different growth conditions and response two pathogen-associated molecular patterns, flagellin epitope Flg22 polysaccharide chitosan. Based on commonly used hydroponic culture system, found that variations...
Abstract Systemic acquired resistance (SAR) is a plant immune response to pathogen attack. Recent evidence suggests that immunity involves regulation by chromatin remodeling and DNA methylation. We investigated whether SAR can be inherited epigenetically following disease pressure Pseudomonas syringae pv tomato DC3000 (PstDC3000). Compared progeny from control-treated Arabidopsis (Arabidopsis thaliana; C1), PstDC3000-inoculated (P1) were primed activate salicylic acid (SA)-inducible defense...
Abstract An attack of plants by pathogens or treatment with certain resistance-inducing compounds can lead to the establishment a unique primed state defense. Primed show enhanced defense reactions upon further challenge biotic abiotic stress. Here, we report that in Arabidopsis (Arabidopsis thaliana) is still functional next generation without additional treatment. We compared had been either β-amino-butyric acid (BABA) an avirulent isolate bacteria Pseudomonas syringae pv tomato...
Progeny from diseased Arabidopsis shows enhanced resistance, which is associated with priming of defense genes.Citation1 This transgenerational systemic acquired resistance (SAR) effective against biotrophic pathogens, such as the downy mildew pathogen Hyaloperonospora arabidopsidis. In this study, we have examined mutants in RNA-directed DNA methylation (RdDM) for SAR. Our analysis suggests that SAR regulated by RdDM pathway and transmitted hypomethylation at CpNpG sites.
ABSTRACT Defence priming sensitises plant defences to enable a faster and/or stronger response subsequent stress. Various chemicals can trigger priming; however, the remains unexplored in oak. Here, we characterise salicylic acid (SA)‐, jasmonic (JA)‐, and β‐aminobutyric (BABA)‐induced of oak seedlings against causal agent powdery mildew ( Erysiphe alphitoides , PM). Whilst JA had no effects, BABA SA enhanced resistance by callose deposition SA‐dependent gene expression, respectively....
Selected stimuli can prime the plant immune system for a faster and stronger defense reaction to pathogen attack. Pretreatment of Arabidopsis with chemical agent β-aminobutyric acid (BABA) augmented H2O2 callose production after induction pathogen-associated molecular pattern (PAMP) chitosan, or inoculation necrotrophic fungus Plectosphaerella cucumerina. However, BABA failed challenge bacterial PAMP Flg22. Analysis mutants in reactive oxygen species (ROS) (rbohD) ROS scavenging (pad2, vtc1,...
Abstract Progeny of heavily diseased plants develop transgenerational acquired resistance (TAR). In Arabidopsis, TAR can be transmitted over one stress-free generation. Although DNA methylation has been implicated in the regulation TAR, relationship between and global remains unknown. Here, we characterised methylome TAR-expressing Arabidopsis at different generations after disease exposure. Global clustering cytosine revealed TAR-related patterns F3 generation, but not F1 The majority...
Summary β‐Aminobutyric acid ( BABA ) induces broad‐spectrum disease resistance, but also represses plant growth, which has limited its exploitation in crop protection. perception relies on binding to the aspartyl‐ tRNA synthetase (Asp RS IBI 1, primes enzyme for secondary defense activity. This study aimed identify structural analogues that induce resistance without stunting growth. Using site‐directed mutagenesis, we demonstrate l )‐aspartic acid‐binding domain of 1 is critical perception....
Elevated CO2 (eCO2) is a determinant factor of climate change and known to alter plant processes such as physiology, growth resistance pathogens. Quercus robur, tree species integrated in most forest regeneration strategies, shows high vulnerability powdery mildew (PM) disease at the seedling stage. PM present oak forests it considered bottleneck for woodland regeneration. Our study aims decipher effect eCO2 on responses PM. Oak seedlings were grown controlled environment ambient (aCO2, ∼400...
Priming of defence increases the responsiveness plant immune system and can provide broad-spectrum protection against disease. Recent evidence suggests that priming be inherited epigenetically to following generations. However, mechanisms long-lasting within one generation remains poorly understood. Here, we have investigated mechanistic basis induced resistance after treatment with ß-amino butyric acid (BABA), an agent mimics biologically phenomena. BABA-induced is based on salicylic...
Minimizing losses to pests and diseases is essential for producing sufficient food feed the world's rapidly growing population. The necrotrophic fungus Botrytis cinerea triggers devastating pre‐ post‐harvest yield in tomato ( Solanum lycopersicum ). Current control methods are based on pre‐harvest use of fungicides, which limited by strict legislation. This investigation tested whether induction resistance β‐aminobutyric acid BABA ) at different developmental stages provides an alternative...
Tomato is a major crop suffering substantial yield losses from diseases, as fruit decay at postharvest level can claim up to 50% of the total production worldwide. Due environmental risks fungicides, there an increasing interest in exploiting plant immunity through priming, which adaptive strategy that improves defensive capacity by stimulating induced mechanisms. Broad-spectrum defence priming be triggered compound ß-aminobutyric acid (BABA). In tomato plants, BABA induces resistance...
Current crop protection strategies against the fungal pathogen Botrytis cinerea rely on a combination of conventional fungicides and host genetic resistance. However, due to evolution legislation in use fungicides, these are not sufficient protect plants this pathogen. Defence elicitors can stimulate plant defence mechanisms through phenomenon known as priming. Priming results faster and/or stronger expression resistance upon recognition by host. This work aims study priming commercial...
External and internal signals can prime the plant immune system for a faster and/or stronger response to pathogen attack. β-aminobutyric acid (BABA) is an endogenous stress metabolite that induces broad-spectrum disease resistance in plants. BABA perception Arabidopsis mediated by aspartyl tRNA synthetase IBI1, which activates priming of multiple responses, including callose-associated cell wall defenses are under control abscisic (ABA). However, immediate signaling components after as well...
Exposure of plants to stress conditions or certain chemical elicitors can establish a primed state, whereby responses future encounters are enhanced. Stress priming be long-lasting and likely involves epigenetic regulation stress-responsive gene expression. However, the molecular events underlying not well understood. Here, we characterise changes in tomato for pathogen resistance by treatment with β-aminobutyric acid (BABA). We used whole genome bisulphite sequencing construct methylomes...
Resistance-inducing chemicals can offer broad-spectrum disease protection in crops, but also affect plant growth and interactions with plant-beneficial microbes. We have evaluated different application methods of β-aminobutyric acid (BABA) jasmonic (JA) for long-lasting induced resistance tomato against Botrytis cinerea. In addition, we studied nontarget effects on root colonization by arbuscular mycorrhizal fungi (AMF). Germinating seeds 1 week BABA- or JA-containing solutions promoted seed...
Human activities have caused atmospheric carbon dioxide (CO₂) concentrations to double since the onset of industrial era, with levels continuing rise at an unprecedented rate. This dramatic increase has far-reaching consequences for plant physiology, ecosystems, and global agriculture. While rising CO₂ may enhance growth through well-known 'CO₂ fertilisation' effect (Ainsworth & Long, 2021), its influence on health is far more complex. Recent research demonstrated that elevated (eCO₂) can...
Abstract Rising atmospheric CO 2 levels are predicted to influence forest health directly and indirectly, yet the long-term effects of elevated (eCO ) on mature trees in natural ecosystems remain poorly understood. Understanding how eCO affects susceptibility biotic stress alters leaf metabolism is critical for predicting responses climate change. We examined (+150 ppm) 180-year-old Quercus robur at Birmingham Institute Forest Research (BIFoR) Free Air Enrichment (FACE) facility. From 2016...