Nikos Tsardakas Renhuldt

ORCID: 0000-0001-7216-5320
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About
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Research Areas
  • Avian ecology and behavior
  • Bird parasitology and diseases
  • Species Distribution and Climate Change
  • Genetic Mapping and Diversity in Plants and Animals
  • Wheat and Barley Genetics and Pathology
  • Gene expression and cancer classification
  • Viral Infections and Vectors
  • Data Analysis with R
  • Genetics, Bioinformatics, and Biomedical Research
  • Plant Disease Resistance and Genetics
  • Potato Plant Research
  • Microbial Metabolic Engineering and Bioproduction
  • Probiotics and Fermented Foods
  • Plant nutrient uptake and metabolism
  • Genetics and Plant Breeding
  • Plant Pathogens and Fungal Diseases
  • Protein Hydrolysis and Bioactive Peptides
  • Plant and Biological Electrophysiology Studies
  • Plant Reproductive Biology
  • Food composition and properties
  • Computational Drug Discovery Methods
  • Machine Learning in Bioinformatics
  • Mycotoxins in Agriculture and Food
  • Protein Structure and Dynamics
  • Chromosomal and Genetic Variations

Lund University
2022-2024

Cultivated oat (Avena sativa L.) is an allohexaploid (AACCDD, 2n = 6x 42) thought to have been domesticated more than 3,000 years ago while growing as a weed in wheat, emmer and barley fields Anatolia1,2. Oat has low carbon footprint, substantial health benefits the potential replace animal-based food products. However, lack of fully annotated reference genome hampered efforts deconvolute its complex evolutionary history functional gene dynamics. Here we present high-quality A. close...

10.1038/s41586-022-04732-y article EN cc-by Nature 2022-05-18

Oat (Avena sativa L.) is an important and nutritious cereal crop, there a growing need to identify genes that contribute improved oat varieties. Here we utilize newly sequenced annotated reference genome locate characterize quantitative trait loci (QTLs) affecting agronomic grain-quality traits in five populations. We find strong significant associations between the positions of candidate QTL affect heading date, as well those influence concentrations oil β-glucan grain. examine genome-wide...

10.1038/s42003-022-03256-5 article EN cc-by Communications Biology 2022-05-18

SUMMARY Wind, rain, herbivores, obstacles, neighbouring plants, etc. provide important mechanical cues to steer plant growth and survival. Mechanostimulation stimulate yield stress resistance of crops is significant research interest, yet a molecular understanding transcriptional responses touch largely absent in cereals. To address this, we performed whole‐genome transcriptomics following mechanostimulation wheat, barley, the recent genome‐sequenced oat. The largest transcriptome changes...

10.1111/tpj.16269 article EN cc-by-nc The Plant Journal 2023-05-10

Oat is susceptible to several Fusarium species that cause contamination with different trichothecene mycotoxins. The molecular mechanisms behind resistance in oat have yet be elucidated. In the present work, we identified and characterised two UDP-glucosyltransferases orthologous barley HvUGT13248. Overexpression of latter wheat had been shown previously increase deoxynivalenol (DON) nivalenol (NIV) decrease disease severity both head blight crown rot. Both genes are highly inducible by...

10.3390/toxins14070446 article EN cc-by Toxins 2022-06-30

Current derivatization-dependent approaches for amino acid composition analysis of cereal proteins have significant variability due to lack direct opportunities and loss acids during protein-hydrolysis. To tackle these drawbacks, a novel direct, derivatization-free approach was successfully introduced, using HPAEC-PAD, applied hydrolyzed defatted oat flour extracted protein fractions. The ensured reliable detection acids, including L-tryptophan, as well oxidation products L-cysteine...

10.1016/j.jcs.2022.103589 article EN cc-by Journal of Cereal Science 2022-11-16

In an ethyl methanesulfonate oat (Avena sativa) mutant population we have found a with striking differences to the wild-type (WT) cv. Belinda. We phenotyped and compared it WT. The was crossed WT mapping-by-sequencing performed on pool of F2 individuals sharing phenotype, variants were called. impacts genes present in reference genome annotation estimated. allele frequency distribution combined expression data identify which among affected likely cause observed phenotype. A brassinosteroid...

10.3389/fpls.2024.1358490 article EN cc-by Frontiers in Plant Science 2024-04-26
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