A5006444307- Plant Reproductive Biology
- Plant Surface Properties and Treatments
- Wheat and Barley Genetics and Pathology
- Genetic Mapping and Diversity in Plants and Animals
- Photosynthetic Processes and Mechanisms
- Bioenergy crop production and management
- Plant Stress Responses and Tolerance
- Plant Molecular Biology Research
- Postharvest Quality and Shelf Life Management
- Light effects on plants
- Plant nutrient uptake and metabolism
- Forest Insect Ecology and Management
- Plant Gene Expression Analysis
- Plant responses to elevated CO2
- Soybean genetics and cultivation
- Mitochondrial Function and Pathology
- Plant Disease Resistance and Genetics
- Insect and Pesticide Research
- Seed Germination and Physiology
University of Dundee
2022-2024
James Hutton Institute
2022-2024
Plant (United States)
2022
Max Planck Institute for Plant Breeding Research
2009-2014
Max Planck Society
2014
University of Saskatchewan
2009
University of Verona
2009
Centro di Ricerca per l’Orticoltura
2006
University of California, Riverside
2006
Variation in photoperiod response is a major factor determining plant development and the agronomic performance of crops. The genetic control photoperiodic flowering has been elucidated model Arabidopsis, many identified genes are structurally conserved grasses. In this study, HvCO1, closest barley ortholog key gene CONSTANS was over-expressed spring Golden Promise. Over-expression HvCO1 accelerated time to long- short-day conditions caused up-regulation HvFT1 mRNA under long-day conditions....
Abstract Background The circadian clock is an endogenous mechanism that coordinates biological processes with daily changes in the environment. In plants, rhythms contribute to both agricultural productivity and evolutionary fitness. barley, photoperiod response regulator flowering-time gene Ppd-H1 orthologous Arabidopsis core-clock PRR7 . However, relatively little known about role of other components temperate crop species. this study, we identified barley orthologs tested effects natural...
Photoperiodic flowering is a major factor determining crop performance and controlled by interactions between environmental signals the circadian clock. We proposed Hvlux1, an ortholog of Arabidopsis gene LUX ARRHYTHMO, as candidate underlying early maturity 10 (eam10) locus in barley (Hordeum vulgare L.). The link eam10 Hvlux1 was discovered using high-throughput sequencing enriched libraries segregation analysis. conducted functional, phylogenetic, diversity studies HvLUX1 to understand...
Abstract Previously, we have shown that barley (Hordeum vulgare) plants carrying a mutation preventing chloroplast development are completely frost susceptible as well impaired in the expression of several cold-regulated genes. Here investigated transcriptome albina and xantha mutants corresponding wild type to assess effect on First, by comparing control against cold-hardened wild-type 2,735 probe sets with statistically significant changes (P = 0.05; ≥2-fold change) were identified....
Phytochromes play an important role in light signaling and photoperiodic control of flowering time plants. Here we propose that the red/far-red photoreceptor HvPHYTOCHROME C (HvPHYC), carrying a mutation conserved region GAF domain, is candidate underlying early maturity 5 locus barley (Hordeum vulgare L.). We fine mapped gene using mapping-by-sequencing approach applied on whole-exome capture data from bulked segregants derived backcross Bowman(eam5) introgression line. demonstrate eam5...
In plants, the C-repeat binding factors (Cbfs) are believed to regulate low-temperature (LT) tolerance. However, most functional studies of Cbfs have focused on characterizing expression after an LT shock and not quantified differences associated with variable temperature induction or rate response treatment. Triticeae, rye (Secale cereale L.) is one LT-tolerant species, excellent model study compare Cbf profiles. Here, we report isolation genes (ScCbfs) their levels in spring- winter-habit...
We analyze the effect of plastoquinone redox state on regulation light-harvesting antenna size at transcriptional and post-transcriptional levels. This was approached by studying transcription accumulation complexes in wild type versus barley mutant viridis zb63, which is depleted photosystem I where constitutively reduced. show that mRNA level genes encoding proteins almost unaffected mutant; this stability messenger not a peculiarity antenna-encoding genes, but it extends to all...
Abstract The cuticle covering aerial organs of land plants is well known to protect against desiccation. Cuticles also play diverse and specialized functions, including organ separation, depending on plant tissue. Barley shows a distinctive cuticular wax bloom enriched in β-diketones leaf sheaths, stem nodes internodes inflorescences. develops sticky surface the outer pericarp layer its grain fruit leading strongly adhered hulls, ‘covered grain’, important for embryo protection seed...
Abstract Faced with terrestrial threats, land plants seal their aerial surfaces a lipid-rich cuticle. To breathe, interrupt cuticles adjustable epidermal pores, called stomata, that regulate gas exchange, and develop other specialised cells such as defensive hairs. Mechanisms coordinating features remain poorly understood. Addressing this, we studied two loci whose allelic variation causes both cuticular wax-deficiency misarranged stomata in barley, identifying the underlying genes, Cer-g /...
All land plants seal their above ground body parts with a lipid-rich hydrophobic barrier called the cuticle to protect themselves from dehydration and other terrestrial threats. Mutational studies in several model species have identified multiple loci regulating cuticular metabolism development. Of particular importance are eceriferum (cer) mutants characterized by loss of wax. Some barley cer mutants, including cer-x, show defects distinctive β-diketone-enriched wax bloom on reproductive...
Summary The cuticle is a protective layer covering aerial plant organs. We studied the function of waxes for establishment cuticular barrier in barley ( Hordeum vulgare ). eceriferum mutants cer‐za.227 and cer‐ye.267 display reduced wax loads, but genes affected, consequences changes remained unknown. Cuticular permeabilities were measured . mutant loci isolated by bulked segregant RNA sequencing. New cer‐za alleles generated genome editing. CER‐ZA protein was characterized after expression...
Abstract This study contributes new knowledge on quantitative trait loci (QTLs) and candidate genes for adaptive traits yield in two-rowed spring barley. A meta-analysis of a network field trials, varying latitude sowing date, with 151 cultivars across several European countries, increased QTL detection power compared to single-trial analyses. The analysed were heading date (HD), plant height (PH), thousand-grain weight (TGW), grain (GY). Breaking down the analysis by main...
Abstract All land plants seal their above ground body parts with a lipid-rich hydrophobic barrier called the cuticle that protects tissues from dehydration and other terrestrial threats. Mutational studies in several model species, including barley, have resolved multiple loci regulating cuticular metabolism development. Of particular importance are eceriferum ( cer ) mutants characterized by visual alterations wax. In some mutants, such as cer-x lines, show defects distinctive...