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Leadership Meet the Administrative Team Departments and Units Aute et fugiat ad est cupidatat esse laborum dolor ex anim anim cillum cillum exercitation culpa. Our Experts Aute et fugiat ad est cupidatat esse laborum dolor ex anim anim cillum cillum exercitation culpa.State Administration Get contact information for Extension administrative personnel by operational area and their respective support personnel. Area Extension Directors Get contact information for the Area Extension Directors (AEDs) County Extension Personnel Aute et fugiat ad est cupidatat esse laborum dolor ex anim anim cillum cillum exercitation culpa.
Christopher Schardl
Regular Faculty
Associated Departments
Scholars@UK
Host–endophyte (Epichloë occultans) interaction impacts on annual ryegrasses (Lolium persicum and Lolium rigidum): ecological and breeding implications
Torkian, M., Sabzalian, M. R., Mirlohi, A., Schardl, C. L. & Volaire, F., May 2025, In: Planta. 261, 5, 115.Research output: Contribution to journal › Article › peer-review
An Alternative Self-Splicing Intron Lifecycle Revealed by Dynamic Intron Turnover in Epichloë Endophyte Mitochondrial Genomes
Chan, J., Truglio, M., Schardl, C. L., Cox, M. P., Young, C. A. & Ganley, A. R. D., Apr 1 2025, In: Molecular Biology and Evolution. 42, 4, msaf076.Research output: Contribution to journal › Article › peer-review
Chemotypic diversity of bioprotective grass endophytes based on genome analyses, with new insights from a Mediterranean-climate region in Isfahan Province, Iran
Schardl, C. L., Florea, S., Nagabhyru, P., Pan, J., Farman, M. L., Young, C. A., Rahnama, M., Leuchtmann, A., Sabzalian, M. R., Torkian, M., Mirlohi, A. & Iannone, L. J., 2025, In: Mycologia. 117, 1, p. 34-59 26 p.Research output: Contribution to journal › Article › peer-review
Temporal gene expression during asexual development of the apicomplexan Sarcocystis neurona
Dangoudoubiyam, S., Norris, J. K., Namasivayam, S., de Paula Baptista, R., do Nascimento, N. C., Camp, J., Schardl, C. L., Kissinger, J. C. & Howe, D. K., Jun 2024, In: mSphere. 9, 6Research output: Contribution to journal › Article › peer-review
RNA-clique: a method for computing genetic distances from RNA-seq data
Tapia, A. C., Jaromczyk, J. W., Moore, N. & Schardl, C. L., Dec 2024, In: BMC Bioinformatics. 25, 1, 205.Research output: Contribution to journal › Article › peer-review
Anti-herbivory defences delivered by Epichloë fungal endophytes: a quantitative review of alkaloid concentration variation among hosts and plant parts
Realini, F. M., Escobedo, V. M., Ueno, A. C., Bastías, D. A., Schardl, C. L., Biganzoli, F. & Gundel, P. E., Apr 1 2024, In: Annals of Botany. 133, 4, p. 509-520 12 p.Research output: Contribution to journal › Review article › peer-review
Reports
Miller, A., Cai, L., Crous, P. W., Beer, Z. W. D., Hawksworth, D. L., Hyde, K. D., Kirk, P. M., Lücking, R., Lumbsch, H. T., May, T. W., Rossman, A. Y., Seifert, K. A., Schardl, C. I., Pfister, D. H., Rodréguez, S. A. C., Schoch, C. L., Miller, A. N. & Li, C. T., Jun 2017, In: IMA Fungus. 8, 1, p. A9-A15Research output: Contribution to journal › Article › peer-review
Multiomics Reveals Mechanisms of Alternaria oxytropis Inhibiting Pathogenic Fungi in Oxytropis ochrocephala
Fu, K., Schardl, C. L., Cook, D., Cao, X., Ling, N., He, C., Wu, D., Xue, L., Li, Y. & Shi, Z., Jan 31 2024, In: Journal of Agricultural and Food Chemistry. 72, 4, p. 2397-2409 13 p.Research output: Contribution to journal › Article › peer-review
Seeing double on Cannabis: Haploids and heteroploids of Bipolaris gigantea on hemp and other dicots
Szarka, D., Gauthier, N. A., Rahnama, M. & Schardl, C. L., 2023, In: Mycologia. 115, 5, p. 614-629 16 p.Research output: Contribution to journal › Article › peer-review
Genetic Diversity of Epichloë Endophytes Associated with Brachypodium and Calamagrostis Host Grass Genera including Two New Species
Leuchtmann, A. & Schardl, C. L., Oct 2022, In: Journal of Fungi. 8, 10, 1086.Research output: Contribution to journal › Article › peer-review
Experimenting with database segmentation size vs time performance for mpiBLAST on an IBM HS21 blade cluster.
Harris, D. R., Jaromczyk, J. W. & Schardl, C. L., 2010, In: BMC Bioinform.. 11, S-4, p. P9 1 p., S-4.Research output: Contribution to journal › Article › peer-review
Transcriptome analysis of Epichloë strains in tall fescue in response to drought stress
Nagabhyru, P., Dinkins, R. D. & Schardl, C. L., 2022, In: Mycologia. 114, 4, p. 697-712 16 p.Research output: Contribution to journal › Article › peer-review
Cross-species transcriptomics identifies core regulatory changes differentiating the asymptomatic asexual and virulent sexual life cycles of grass-symbiotic Epichloë fungi
Berry, D., Lee, K., Winter, D., Mace, W., Becker, Y., Nagabhyru, P., Treindl, A. D., Bogantes, E. V., Young, C. A., Leuchtmann, A., Johnson, L. J., Johnson, R. D., Cox, M. P., Schardl, C. L. & Scott, B., Apr 2022, In: G3: Genes, Genomes, Genetics. 12, 4, jkac043.Research output: Contribution to journal › Article › peer-review
Differential gene expression in tall fescue tissues in response to water deficit
Chakrabarti, M., Nagabhyru, P., Schardl, C. L. & Dinkins, R. D., Jun 2022, In: Plant Genome. 15, 2, e20199.Research output: Contribution to journal › Article › peer-review
Genetic relationships in the toxin-producing fungal endophyte, alternaria oxytropis using polyketide synthase and non-ribosomal peptide synthase genes
Creamer, R., Hille, D. B., Neyaz, M., Nusayr, T., Schardl, C. L. & Cook, D., Jul 2021, In: Journal of Fungi. 7, 7, 538.Research output: Contribution to journal › Article › peer-review
Systematics and morphology
Craven, K. D., Clay, K. & Schardl, C. L., Oct 26 2015, Tall Fescue for the Twenty-First Century. p. 11-30 20 p.Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review
Non-Transgenic CRISPR-Mediated Knockout of Entire Ergot Alkaloid Gene Clusters in Slow-Growing Asexual Polyploid Fungi
Florea, S., Jaromczyk, J. & Schardl, C. L., Feb 2021, In: Toxins. 13, 2, 153.Research output: Contribution to journal › Article › peer-review
Phylogenetic relationship and taxonomy of a hybrid Epichloë species symbiotic with Festuca sinensis
Tian, P., Xu, W., Li, C., Song, H., Wang, M., Schardl, C. L. & Nan, Z., Oct 1 2020, In: Mycological Progress. 19, 10, p. 1069-1081 13 p.Research output: Contribution to journal › Article › peer-review
Symbiont-mediated changes in Lolium arundinaceum inducible defenses: Evidence from changes in gene expression and leaf composition
Sullivan, T. J., Rodstrom, J., Vandop, J., Librizzi, J., Graham, C., Schardl, C. L. & Bultman, T. L., Nov 2007, In: New Phytologist. 176, 3, p. 673-679 7 p.Research output: Contribution to journal › Article › peer-review
Sexual cycle and horizontal transmission of the grass symbiont, Epichloe typhina
Chung, K. R. & Schardl, C. L., 1997, In: Mycological Research. 101, 3, p. 295-301 7 p.Research output: Contribution to journal › Article › peer-review
Acquisition of a Triple Quadrupole LC/MS for Multi-Omic Metabolite, Lipid, and Peptide Analyses
Kachroo, P. (PI), Chen, G. (CoI), Fan, H. (CoI), Hildebrand, D. (CoI), Liu, H. (CoI), McLetchie, D. (CoI), Schardl, C. (CoI) & Yu, K. (CoI)
National Institute of Food and Agriculture
9/15/24 → 9/14/28
Project: Research project
ARS/FAPRU: Improving Sustainability of Forage-Based Production Systems
Matthews, J. (PI), Anderson, L. (CoI), Bridges, P. (CoI), Ely, D. (CoI), Haan, N. (CoI), Harmon, D. (CoI), Hunt, A. (CoI), Ji, H. (CoI), McCulley, R. (CoI), McLeod, K. (CoI), Phillips, T. (CoI), Rentfrow, G. (CoI), Schardl, C. (CoI), Smith, S. (CoI), Suman, S. (CoI), Teutsch, C. (CoI), VanValin, K. (CoI) & Zhu, H. (CoI)
5/1/23 → 4/30/26
Project: Research project
ARS/FAPRU: Schardl - Improving Sustainability of Forage-Based Production Systems
Schardl, C. (PI)
5/1/23 → 4/30/26
Project: Research project
ECA-PGR: Identifying Host Factors the Modulate the Association of Tall Fescue (Festuca Arundinacea) with Beneficial Epichloë Endophytes
Schardl, C. (PI)
5/1/22 → 12/31/22
Project: Research project
ARS/FAPRU: Determine plant (tall fescue) genes that are Differentially Expressed in Response to the Presence of the Fungal Endophyte
Schardl, C. (PI)
5/1/18 → 4/30/23
Project: Research project
Improving Sustainability of Forage-Based Production Systems
Matthews, J. (PI), Aaron, D. (CoI), Anderson, L. (CoI), Barrett, M. (CoI), Bridges, P. (CoI), Ely, D. (CoI), Harmon, D. (CoI), Hunt, A. (CoI), Ji, H. (CoI), McCulley, R. (CoI), McDowell, K. (CoI), McLeod, K. (CoI), Phillips, T. (CoI), Schardl, C. (CoI), Schendel, R. (CoI), Smith, S. (CoI), Teutsch, C. (CoI), Vanzant, E. (CoI), Bennett, A. (Former PI), Houtz, R. (Former PI) & Holder, M. (Former CoI)
5/1/18 → 4/30/23
Project: Research project
Dimensions US-China: Collaborative Research: Impacts of Heritable Plant-fungus Symbiosis on Phylogenetic, Genetic and Functional Diversity.
Schardl, C. (PI)
10/1/21 → 3/31/26
Project: Research project
KY EPSCOR: Transforming Kentucky's New Economy: Kentucky Infrastructure in Ecological Genomics (KIEG)
Schardl, C. (PI), Bonner, S. (CoI), Jaromczyk, J. (CoI), Schofield, M. (CoI), Stromberg, A. (CoI), Voss, S. (CoI), Webb, B. (CoI) & Yoshida, R. (CoI)
KY Science and Technology Co Inc
6/1/08 → 9/1/11
Project: Research project
Geometry of Gene Cophylogenies as Relates to Genome Evolution and Speciation
Schardl, C. (PI)
National Institute of General Medical Sciences
8/1/08 → 6/30/14
Project: Research project
Partcipant Support: Dimensions US-China: Collaborative Research: Impacts of Heritable Plant-Fungus Symbiosis on Phylogenetic, Genetic and Functional Diversity
Schardl, C. (PI), Hirsch, R. (CoI), Jaromczyk, J. (CoI) & Moore, N. (CoI)
1/1/21 → 12/31/25
Project: Research project
KY EPSCoR: Integrating Collegiate Ecological and Molecular Research into the K-12 STEM Curriculum
Hirsch, R. (PI), Andrews, R. (CoI), McCulley, R. (CoI), Schardl, C. (CoI) & White, J. (CoI)
KY Council on Postsecondary Education
8/1/16 → 7/31/17
Project: Research project
ARS/SCA: Effects of endophyte on survival and regrowth of tall fescueafter drought stress
Schardl, C. (PI)
5/1/13 → 4/30/18
Project: Research project
ARS/SCA: Effects of endophyte on survival and regrowth of tall fescueafter drought stress
Schardl, C. (PI)
7/1/13 → 2/29/16
Project: Research project
NSF/EPSCoR: Transforming Kentucky's New Economy with EPSCoR: Ecological Genomics
Schardl, C. (PI)
9/1/08 → 8/31/13
Project: Research project
KY EPSCOR: Transforming Kentucky's New Economy: Kentucky Infrastructure in Ecological Genomics (KIEG)
Schardl, C. (PI), Bonner, S. (CoI), Jaromczyk, J. (CoI), Schofield, M. (CoI), Stromberg, A. (CoI), Voss, S. (CoI), Webb, B. (CoI) & Yoshida, R. (CoI)
KY Council on Postsecondary Education
6/1/08 → 8/31/13
Project: Research project
Plant and Endophyte Gene Expression and Metabolism in Response to Stress and Parasitism
Schardl, C. (PI)
6/17/08 → 4/30/13
Project: Research project
KY EPSCoR: Kentucky Infrastructure in Ecological Genomics (KIEG)
Schardl, C. (PI), Jaromczyk, J. (CoI), McNear, D. (CoI), Schofield, M. (CoI), Stromberg, A. (CoI), Voss, S. (CoI), Webb, B. (CoI), Weisrock, D. (CoI) & Zhou, X. (CoI)
KY Council on Postsecondary Education
6/1/08 → 8/31/11
Project: Research project
ARS/SCA Cooperative Agreement - Plant and Endophyte Gene Expression and Metabolism in Response to Stress and Parasitism
Schardl, C. (PI)
7/1/07 → 12/31/09
Project: Research project
ARS/SCA Cooperative Agreement - Deletion of ergot alkaloid production genes in a tall fescue endophyte
Schardl, C. (PI)
3/6/07 → 12/31/09
Project: Research project
ARS/SCA Cooperative Agreement - Tall fescue endophyte effects on environmental stress tolerances
Schardl, C. (PI)
3/6/07 → 12/31/09
Project: Research project