overview Evolution, population genetics, and ecology of emerging plant pathogens, especially Phytophthora species
has course role ALS3923 Honors Orientation PLP6905 Prob Adv Plant Path PLP6905 Prob Adv Plant Path PLP6905 Prob Adv Plant Path PLP6905 Prob Adv Plant Path PLP6905 Prob Adv Plant Path PLP6905 Prob Adv Plant Path PLP6932 Seminar In Plant Path PLP6971 Masters Research PLP7979 Advanced Research PLP7979 Advanced Research
member of Emerging Pathogens Institute Assistant Professor 2011 - Plant Pathology Assistant Professor 2011 -
selected publications academic article Open Access and Reproducibility in Plant Pathology Research: Guidelines and Best Practices. Phytopathology. 2024 Live tracking of a plant pathogen outbreak reveals rapid and successive, multidecade plasmid reduction. MSystems. e0079523. 2024 Bacterial mutation during seasonal epidemics. Molecular Plant-Microbe Interactions. 2023 Phylogenomic analysis of 343 Xanthomonas citri pv. citri strains unravels introduction history and dispersal paths. PLOS Pathogens. e1011876. 2023 New genotypes of Phytophthora nicotianae found on strawberry in Florida. Phytopathology. 2023 Unexpected diversity of pseudomonads associated with bacterial leaf spot of cucurbits in the southeastern United States. Plant Disease. 2023 Whole genome sequence-based classification of Xanthomonas euvesicatoria pv. eucalypti and computational analysis of type III secretion system. Phytopathology. 2023 Population genomics reveals an emerging lineage of Xanthomonas perforans on pepper. Phytopathology. 2023 A Brief Evaluation of Copper Resistance Mobile Genetic Island in the Bacterial Leaf Spot Pathogen, Xanthomonas euvesicatoria pv. perforans. Phytopathology. 2023 Exploring diversity of bacterial spot associated Xanthomonas population of pepper in Southwest Florida. Plant Disease. 2023 Strength in Numbers: Density-Dependent Volatile-Induced Antimicrobial Activity by Xanthomonas perforans. Phytopathology. 160-169. 2023 First report of Bipolaris sorokiniana leaf spot disease on watermelon (Citrullus lanatus) in Florida. Plant Disease. 2022 Ralstonia Strains from Potato-Growing Regions of Kenya Reveal Two Phylotypes and Epidemic Clonality of Phylotype II Sequevar 1 Strains. Phytopathology. 2072-2083. 2022 Migration Drives the Replacement of Xanthomonas perforans Races in the Absence of Widely Deployed Resistance. Frontiers in Microbiology. 826386. 2022 Whole genome sequences reveal the Xanthomonas perforans population is shaped by the tomato production system. The ISME journal. 2021 A centenary for bacterial spot of tomato and pepper. Molecular Plant Pathology. 2021 Need for speed: Bacterial effector XopJ2 is associated with increased of dispersal velocity of Xanthomonas perforans. Environmental Microbiology. 2021 Draft Genome Sequences of Pseudomonas syringae pv. tomato Strains J4 and J6, Isolated in Florida. Microbiology resource announcements. 2021 How do pathogens evolve novel virulence activities?. Molecular Plant-Microbe Interactions. 2021 Population Genomic- and Phylogenomic-Enabled Advances to Increase Insight Into Pathogen Biology and Epidemiology. Phytopathology. 8-11. 2021 First report of Bipolaris yamadae leaf spot disease on Guinea grass (Panicum maximum) in Florida. Plant Disease. 2020 What are the Top 10 Unanswered Questions in Molecular Plant-Microbe Interactions?. Molecular Plant-Microbe Interactions. MPMI08200229CR. 2020 Assessing changes and associations in the Xanthomonas perforans population across Florida commercial tomato fields via a state-wide survey. Phytopathology. 2020 A survey of auchenorrhynchan insects for identification of potential vectors of the 16SrIV-D phytoplasma in Florida. Florida Entomologist. 344-352. 2020 BLIGHTSIM: A New Potato Late Blight Model Simulating the Response of Phytophthora infestans to Diurnal Temperature and Humidity Fluctuations in Relation to Climate Change. Pathogens. 2020 Disease in Invasive Plant Populations. Annual Review of Phytopathology. 2020 Improved deferred antagonism technique for detecting antibiosis. Letters in Applied Microbiology. 2020 Xanthomonas diversity, virulence and plant-pathogen interactions. Nature Reviews Microbiology. 2020 Revised status of Omolicna subgenus Agoo (Hemiptera: Auchenorrhyncha: Fulgoroidea: Derbidae) with a new species from Costa Rica and new country records. Zootaxa. zootaxa.4718.4.6. 2020 A new genus and species of cixiid planthopper (Hemiptera: Auchenorrhyncha: Fulgoroidea) from the Reserva Privada el Silencio de Los Angeles Cloud Forest in Costa Rica. Zootaxa. zootaxa.4701.1.5. 2019 Molecular Epidemiology of Xanthomonas perforans Outbreaks in Tomato Plants from Transplant to Field as Determined by Single-Nucleotide Polymorphism Analysis. Applied and Environmental Microbiology. 2019 Molecular Epidemiology of Xanthomonas perforans Outbreaks in Tomato Plants from Transplant to Field as Determined by Single-Nucleotide Polymorphism Analysis. Applied and Environmental Microbiology. 2019 Evaluation of High-Resolution Melting for Rapid Differentiation of Phytophthora Hybrids and Their Parental Species. Plant Disease. 2019 A Survey of Declining Palms (Arecaceae) With 16SrIV-D Phytoplasma to Evaluate the Distribution and Host Range in Florida. Plant Disease. 2019 Genome Sequence Data of Six Isolates of Phytophthora capsici from Mexico. Molecular Plant-Microbe Interactions. 2019 Genetic diversity of Fusarium mexicanum, causal agent of mango and big-leaf mahogany malformation in Mexico. Molecular Biology Reports. 2019 Penicillin Trunk Injection Affects Bacterial Community Structure in Citrus Trees. Microbial Ecology. 2019 One Health - Cycling of diverse microbial communities as a connecting force for soil, plant, animal, human and ecosystem health. The Science of the total environment. 927-937. 2019 A new species of Omolicna (Hemiptera: Auchenorrhyncha: Fulgoroidea: Derbidae) from coconut palm in Costa Rica and new country records for Omolicna brunnea and Omolicna triata. Zootaxa. zootaxa.4577.3.5. 2019 Inference of Convergent Gene Acquisition Among Pseudomonas syringae Strains Isolated From Watermelon, Cantaloupe, and Squash. Frontiers in Microbiology. 2019 Multiple Recombination Events Drive the Current Genetic Structure of Xanthomonas perforans in Florida. Frontiers in Microbiology. 2019 Pineapple Heart Rot Isolates From Ecuador Reveal a New Genotype of Phytophthora Nicotianae. Plant Pathology. 67:1803-1813. 2018 Genomic Inference of Recombination-Mediated Evolution in Xanthomonas Euvesicatoria and X-Perforans. Applied and Environmental Microbiology. 84. 2018 Pseudomonas floridensis sp. nov., a bacterial pathogen isolated from tomato. International Journal of Systematic and Evolutionary Microbiology. 2018 A bacterial epidemic in wild plants.. Nature Ecology & Evolution. 2018 The type III effector AvrBsT enhances Xanthomonas perforans fitness in field-grown tomato.. Phytopathology. 2018 Phylogenomic analysis supports multiple instances of polyphyly in the oomycete peronosporalean lineage. Molecular phylogenetics and evolution. 2017 High Levels of Diversity and Population Structure in the Potato Late Blight Pathogen at the Mexico Centre of Origin. Molecular Ecology. 26:1091-1107. 2017 Analysis of Sequenced Genomes of Xanthomonas Perforans Identifies Candidate Targets for Resistance Breeding in Tomato. Phytopathology. 106:1097-1104. 2016 Nuclear DNa Content of the Hybrid Plant Pathogen Phytophthora Andina Determined By Flow Cytometry. Mycologia. 108:899-904. 2016 Emergence and Accumulation of Novel Pathogens Suppress Aninvasive Species. Ecology Letters. 19:469-477. 2016 Emergence and Accumulation of Novel Pathogens Suppress Aninvasive Species. Ecology Letters. 19:469-477. 2016 Whole Genome Sequence of the Emerging Oomycete Pathogen Pythium Insidiosum Strain Cdc-B5653 Isolated From An Infected Human in the USa. Genomics Data. 7:60-61. 2016 Characterization of Phytophthora Spp. Isolated From Ornamental Plants in Florida. Plant Disease. 100:500-509. 2016 Positive selection is the main driving force for evolution of citrus canker-causing Xanthomonas. The ISME journal. 2128-38. 2015 Environmental Sampling Reveals That Pythium Insidiosum Is Ubiquitous and Genetically Diverse in North Central Florida 2015 Phylogenomics of Xanthomonas Field Strains Infecting Pepper and Tomato Reveals Diversity in Effector Repertoires and Identifies Determinants of Host Specificity 2015-06-01 Multilocus Sequence Analysis of Xanthomonads Causing Bacterial Spot of Tomato and Pepper Plants Reveals Strains Generated By Recombination Among Species and Recent Global Spread of Xanthomonas Gardneri. Applied and Environmental Microbiology. 81:1520-1529. 2015-02-01 Potential Effects of Diurnal Temperature Oscillations On Potato Late Blight With Special Reference To Climate Change. Phytopathology. 105:230-238. 2015-02-01 Genome-enabled analysis of plant-pathogen migration. Annual Review of Phytopathology. 2015 Exserohilum Rostratum: Characterization of a Cross-Kingdom Pathogen of Plants and Humans. PLoS One. 9. 2014-10-01 Isolation and Identification of the Fungus Colletotrichum Cordylinicola Causing Anthracnose Disease On Cordyline Fruticosa in Florida. HortScience. 49:911-916. 2014-07-01 The Irish potato famine pathogen Phytophthora infestans originated in central Mexico rather than the Andes. Proceedings of the National Academy of Sciences of the United States of America. 8791-6. 2014 Genomic Analysis of Xanthomonas Perforans Strains From Tomato Production Areas in Florida Reveals Two Distinct Groups. Phytopathology. 104:10. 2014-05-01 Genetic Variation Among Phyllosticta Strains Isolated From Citrus in Florida That Are Pathogenic Or Nonpathogenic To Citrus. Tropical Plant Pathology. 39:119-128. 2014-03-01 Evolution of Rxlr-Class Effectors in the Oomycete Plant Pathogen Phytophthora Ramorum. PLoS One. 8. 2013-11-01 Grudgingly Sharing Their Secrets: New Insight Into the Evolution of Plant Pathogenic Bacteria. New Phytologist. 199:630-632. 2013-08-01 A New Genetic Clade of the Pythiosis Pathogen, Pythium Insidiosum, Revealed By Environmental Sampling in Florida. Phytopathology. 103:50-51. 2013-06-01 Migration and Evolution of Phytophthora Plant Pathogens in the Age of Globalization. Phytopathology. 103:177-178. 2013-06-01 Genome Analyses of An Aggressive and Invasive Lineage of the Irish Potato Famine Pathogen. PLOS Pathogens. 8. 2012-10-01 Emergence of the Sudden Oak Death Pathogen Phytophthora Ramorum. Trends in Microbiology. 20:131-138. 2012-03-01 The Plant Pathogen Phytophthora Andina Emerged Via Hybridization of An Unknown Phytophthora Species and the Irish Potato Famine Pathogen, P. Infestans. PLoS One. 6. 2011-09-01 Emergence of a Plant Pathogen Via Hybridization of the Irish Famine Pathogen, Phytophthora Infestans, and An Unknown Related Species. Phytopathology. 101:S62. 2011-06-01 Phytophthora Obscura Sp Nov Defines a Novel Phytophthora Subclade 8D. Phytopathology. 101:S65. 2011-06-01 editorial article Long-Term Studies Are Needed to Reveal the Effects of Pathogen Accumulation on Invaded Plant Communities 2018
principal investigator on Field Trial to Evaluate HLB Control Via Passive Trunk Injection of Peniciilin-G and Residue Analysis awarded by US Department of Agriculture 2014 - 2015 Diversity and Fungicide Resistance in Phytophthora Nicotianae in Florida Floriculture awarded by Fred C Gloeckner Foundation 2014 - 2015 Evolutionary Genomics of Phytophthora Megakarya the Major Cause of Black Pod Disease of Cocoa in Nigeria awarded by International Maize and Wheat Improvement Center 2013 - 2014 International Research Support Initiative Program awarded by Higher Education Commission Pakistan 2014
teaching activities ALS3923 Fall 2012 7738 PLP6905 Fall 2012 132A PLP6905 Spring 2012 07EE PLP6905 Spring 2012 1F01 PLP6905 Spring 2012 1F04 PLP6905 Spring 2012 1H30 PLP6905 Spring 2012 1H78 PLP6932 Fall 2011 079B PLP6932 Fall 2011 079B PLP6932 Fall 2011 079F PLP6932 Fall 2011 079F PLP6932 Fall 2011 08A2 PLP6932 Fall 2011 08A2 PLP6932 Fall 2011 08DH PLP6932 Fall 2011 08DH PLP6932 Fall 2011 3943 PLP6932 Fall 2011 3943 PLP6971 Fall 2012 3944 PLP7979 Fall 2011 3945 PLP7979 Fall 2011 3945 PLP7979 Fall 2012 3945
education and training Ph.D. in Ecology and Evolution, University of Chicago 2005 B.A. in Biology, Wesleyan University 1997
awards and honors 2000 Hutchinson Botany Fellowship, University of Chicago 1997 Phi Beta Kappa Honor Society, Wesleyan University 2006 Oomycete Molecular Genetics Network Traineeship 2007 Oomycete Molecular Genetics Network Travel Fellowship 2000 to 2005 Graduate Assistance in Areas of National Need Fellowship in Ecology