Barry Pryor

Professor - School of Plant Sciences, BIO5
520-626-5312 / 520-626-2781 (Lab)

Educational Background

  • B.A., Biology, University of California, Santa Cruz
  • M.S., Integrated Pest Management, University of California, Davis
  • Ph.D., Plant Pathology, University of California, Davis

Research Interests

  • Dr. Pryor's research interests include biological and cultural control of disease in field, tree, and vegetable crops, phylogenetic analysis and species concepts in fungi, secondary fungal metabolites, and environmental mycology. Additional areas of research focus on biological and genetic aspects of Alternaria in relation to the development of allergenic rhinitis and asthma.

Selected Publications

Koike, ST, Smith, RF, Cahn, MD, and Pryor, BM. 2017, Association of the carrot pathogen Alternaria dauci with new diseases, Alternaria leaf speck. Plant Health Progress 18:136-143.
Luo, Y., Hou, L., Förster, H., Pryor, B.M., and Adaskaveg, J.E. 2017. Identification of Alternaria species causing heart rot of pomegranates in California. Plant Dis. 101:421-427
Jackson, L. W and Pryor, B. M. 2017. Degradation of aflatoxin B1 from naturally contaminated maize using the edible fungus Pleurotus ostreatus. AMB Express 7:110. DOI:10.1186/s13568-017-0415-0.
Rotondo, F., Hong, S. G., Peever, T. L., and Pryor, B. M. 2017. Allergen diversity among Alternaria species recovered from native desert in southern Arizona. Fungal Biology 122:74-85.
Hilal, O, Rotondo, F, Pryor, BM, and Peever, TL. 2017. Contrasting evolutionary patterns between sections Alternata and Porri of the genus Alternaria. Plant Pathology 67:303-314.
Vaughan, MJ, Nelson, W, Soderlund, C, Maier, RM, Pryor, BM. 2015. Assessing Fungal Community Structure from Mineral Surfaces in Kartchner Caverns Using Multiplexed 454 Pyrosequencing. Microbial Ecology 70:175-187.
Dang, H.X., Pryor, B.M., Peever, T.L., and Lawrence, C.B. 2015. Alternaria genomes database: a comprehensive resource for a fungal genus comprised of plant pathogens, saprophytes, and allergenic species. BMC Genomics 16:239 DOI: 10.1186/s12864-015-1430-7
Ortiz, M., Legatzki, A., Neilson, J.W., Fryslie, B., Nelson, W.M., Wing, R.A, Soderlund, C.A, Pryor, B.M., and Maier, R.M. 2014. Making a living while starving in the dark: metagenomic insights into the energy dynamics of a carbonate cave. The ISME Journal, 8:478–491.
Stewart, J.A, Timmer, T.W., Lawrence, C.B., Pryor, B.M., and Peever, T.L. 2014. Discord between morphological and phylogenetic species boundaries: Incomplete lineage sorting and recombination results in fuzzy species boundaries in an asexual fungal pathogen. BMC Evolutionary Biology 14:38. doi:10.1186/1471-2148-14-38
Chitrampalam, P. and Pryor, B. M. 2014. Characterization of mating type alleles differentiated by a natural inversion in Sclerotinia minor. Plant Pathology. DOI: 10.1111/ppa.12305
Lawrence, D. P., Dugan, F. M., and Pryor, B. M. 2014. Characterization of Alternaria isolates from the infectoria species-group and a new taxon from Arrhenatherum, Pseudoalternaria arrhenatheria sp. nov. Mycological Progress 13:257-276.
Lawrence, D.P., P.B. Gannibal, T.L. Peever and B.M. Pryor. 2013. The Sections of Alternaria: Formalizing species-group concepts. Mycologia 105:530-546.
Chitrampalam, P. and Pryor, B. M. 2013. Population and spatial pattern of sclerotia of Sclerotinia sclerotiorum in desert lettuce production fields of Arizona and California. Canadian Journal of Plant Pathology, 35:494-502.
Ortiz, M., Neilson, J.W., Nelson, W.M., Legatzki, A., Byrne, A., Yu, Y., Soderlund, C.A., Pryor, B.M., Pierson, L.S., and Maier, R.M. 2013. Profiling bacterial diversity and taxonomic compostion on speleothem surfaces in Karchner Caversn, AZ. Microbial Ecology 65:371-383.
Stewart, J.E., Thomas, K.A., Lawrence, C.B., Dang, H., Pryor, B.M., Timmer, T.L., and Peever, T.L. 2013. Signatures of recombination in clonal lineages of the citrus brown spot pathogen, Alternaria alternata sensu lato. Phytopathology 103:741-749.
Rotondo, F., Brunelli, A., and Pryor, B. M. 2012. Comparison of Alternaria collected in Italy from apple with A. mali and other AM-toxin producing strains. Phytopathology 102:1130-1142.
Legatzki, A., Ortiz, M., Neilson, J. W., Casavant, R. R., Palmer, M. W., Rasmussen, C., Pryor, B. M., Pierson III, L. S., and Maier, R. M. 2012. Factors influencing observed variations in the structure of bacterial communities on calcite formations in Kartchner Caverns, AZ, USA. Geomicrobiology Journal 29:422-434.
Baez-Flores, M. E., Troncoso-Rojas, R., Islas-Osuna, M. A., Dominguez, M. R., Pryor, B. M. Tiznado-Hernandez, M. E. 2011. Differentially expressed cDNAs in Alternaria alternata treated with 2-propenyl isothiocyanate. Microbiology Research 166:566-577.
Taralova, E. H., Schlecht, J., Barnard, K., and Pryor, B. M. 2011. Modeling and visualizing morphology in the fungus Alternaria. Fungal Biology 115:1163-1173
Vaughan, M. J., Maier, R. M., and Pryor, B. M. 2011. Fungal communities on speleothem surfaces in Kartchner Caverns, Arizona, USA. International Journal of Speleology 40:65-77.
Legatzki A., Ortiz M., Neilson J.W., Doninguez S., Andersen G.L., Toomey R.S., Pryor B.M., Pierson L.S. III & Maier R.M., 2011 - Bacterial and archaeal community structure of two adjacent calcite speleothems in Kartchner Caverns, Arizona, USA. Geomicrobiology Journal 28:99-117.
Lawrence DP , Kroken S , Pryor BM , Arnold AE , 2011. Interkingdom Gene Transfer of a Hybrid NPS/PKS from Bacteria to Filamentous Ascomycota.PLoS ONE 6(11):e28231.doi:10.1371/journal.pone.0028231
Lawrence, D. P, Park, M. S., and Pryor, B. M. 2011. Nimbya and Embellisia revisited, with nov. comb for Alternaria celosiae and A. perpunctulata. Mycological Progress 11:799-815.
Chitrampalam, P., C.A. Cox, C. A., Turini, T. A., and Pryor, B. M. 2010. Efficacy of Coniothyrium minitans on lettuce drop caused by Sclerotinia minor in desert agroecosystems. Biological Control 55:92-96.
Chitrampalam, P., Turini, T. A., Matheron, M. E., and Pryor, B. M. 2010. Effect of sclerotium density and irrigation on disease incidence and on efficacy of Coniothyrium minitans in suppressing lettuce drop caused by Sclerotinia sclerotiorum. Plant Dis. 94:1118-1124
Hayes, R. J., Wu, B. M., Pryor, B. M., Chitrampalam, C., and, Subbarao, K. V. 2010. Assessment of Resistance in Lettuce (Lactuca sativa L.) to Mycelial and Ascospore Infection by Sclerotinia minor Jagger and S. sclerotiorum (Lib.) de Bary. HortScience 45: 333- 341.
Mbofung, G. C. and Pryor, B. M. 2010. A PCR-Based Assay for Detection of Fusarium oxysporum f. sp. lactucae in Lettuce Seed. Plant Dis. 94:860-866.
Pryor, B. M., Creamer, R., Shoemaker, R. A., McLain-Romero, J., and Hambleton, S. 2009. Undifilum, a new genus for endophytic Embellisia oxytropis and parasitic Helminthosporium bornmuelleri on legumes. Botany 87:178-194.
Andrew, M., Peever, T. L., and Pryor, B. M. 2009. An expanded multilocus phylogeny does not resolve species within the small-spored Alternaria species complex. Mycologia 101:95-109.
Runa, F., Park, M. S., and Pryor, B. M. 2009. Ulocladium systematics revisited: phylogeny and taxonomic status. Mycological Progress 8:35-47.
Hong, S.G., Choi, J.Y., Pryor, B.M., and Lee, H.K., 2009. An Efficient Method to Prepare PCR Cloning Vectors. Mycobiology 37:240-242.
Park, M. S., Romanoski, C. E., and Pryor, B. M. 2008. A re-examination of the phylogenetic relationship between the causal agents of carrot black rot, Alternaria radicina and A. carotiincultae. Mycologia 100:511-527.
Chitrampalam, P., Figuli, P. J., Matheron, M. E., Subbarao, K. V., and Pryor, B. M. 2008. Biocontrol of lettuce drop caused by Sclerotinia sclerotiorum and S. minor in desert agroecosystems. Plant Dis. 92:1625-1634.
Andersen, B., Dongo, A., and Pryor, B. M. 2008. Secondary metabolite profiling of Alternaria dauci, A. porri, A. solani, and A. tomatophila. Mycol Res. 112:241-50.
Ikner, L. A., Tommey, R. S., Nolan, G., Neilson, J. W., Pryor, B. M., and Maier, R. M. 2007. Culturable Microbial Diversity and the Impact of Tourism in Kartchner Caverns, Arizona. Microbial Ecology 53:30-42.
Mbofung, G. Y., Hong, S. G., and Pryor, B. M. 2007. Phylogeny of Fusarium oxysporum f. sp. lactucae inferred from mitochondrial small subunit, elongation factor 1-a, and nuclear ribosomal intergenic spacer sequence data. Phytopathology 97:87-98.
Cho, Y., Cramer, R. A., Kim, K. H., Davis, J., Mitchel, T. K., Figuli, P., Pryor, B. M., Lemasters, E., and Lawrence, C. B. 2007. The Fus3/Kss1 MAP kinase homolog Amk1 regulates the espression of genes encoding hydrolytic enzymes in Alternaria brassicicola. Fungal Genetics and Biology, 44:543-53.
Schlecht, J., Barnard, K., Spriggs, E. and Pryor, B. M. 2007. Inferring grammar-based structure models from 3D microscopy data, in Proc. IEEE computer society conference in computer vision (CVPR), 2007.

Teaching Responsibilities

  • PLP 305 Introductory Plant Pathology
  • PLP 150C Mushrooms, Molds, and Man

Research Areas

  • Biodiversity and Evolutionary Biology
  • Controlled Environment Agriculture
  • Microbiology
  • Plant Protection and Pathology