The Department of Plant Pathology at the University of Nebraska-Lincoln (UNL) has a long tradition of excellence in research and service to the state,the nation, and internationally. Our mission is to provide solutions to plant disease and health issues, develop new knowledge of plant-pathogenic and plant-associated microorganisms, and provide quality, relevant education.

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2005

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Aspergillus nidulans uvsBATR and scaANBS1 Genes Show Genetic Interactions during Recovery from Replication Stress and DNA Damage, Marcia Regina von Zeska Kress Fagundes, Camile P. Semighini, Iran Malazavi, Marcela Savoldi, Joel Fernandes de Lima, Maria Helena de Souza Goldman, Steven D. Harris, and Gustavo Henrique Goldman

2004

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Phenotypic and Genotypic Characterization of Uromyces appendiculatus from Phaseolus vulgaris in the Americas, C. M. Araya, A. T. Alleyne, J. R. Steadman, K. M. Eskridge, and D. P. Coyne

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Spinach curly top virus: A Newly Described Curtovirus Species from Southwest Texas with Incongruent Gene Phylogenies, Surendranath Baliji, Mark C. Black, Roy C. French, Drake C. Stenger, and Garry Sunter

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Morphological and Molecular Characterization of Meloidogyne mayaguensis Isolates from Florida, J. Brito, Thomas O. Powers, P. G. Mullin, Florida Department of Agriculture and Consumer Services, and D. W. Dickson

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Biography of James L. Van Etten, Christen Brownlee

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Biography of James L. Van Etten, Christen Brownlee and James L. Van Etten

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MAPK Regulation of Sclerotial Development in Sclerotinia sclerotiorum Is Linked with pH and cAMP Sensing, Changbin Chen, Arye Harel, Rena Gorovoits, Oded Yarden, and Martin B. Dickman

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Temporal Expression of PR-1 and Enhanced Mature Plant Resistance to Virus Infection Is Controlled by a Single Dominant Gene in a New Nicotiana Hybrid, Anthony B. Cole, Lóránt Király, Leslie C. Lane, B. Elizabeth Wiggins, Kathleen Ross, and James E. Schoelz

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Review of Bacterial Disease Resistance in Plants: Molecular Biology and Biotechnological Applications by P. Vidhyasekaran, Marty Dickman

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Effects of Choline, Betaine, and Wheat Floral Extracts on Growth of Fusarium graminearum, Jessica S. Engle, Patrick E. Lipps, Terry L. Graham, and Michael J. Boehm

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Expression of the tobacco β- 1,3-glucanase gene, PR-2d, following induction of SAR with Peronospora tabacina, Deanna L. Funnell, Christopher B. Lawrence, Jeffrey F. Pedersen, and Christopher L. Schardl

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Necrotic Lesion Resistance Induced by Peronospora tabacina on Leaves of Nicotiana obtusifolia, E.P. Heist, D. Zaitlin, Deanna L. Funnell, W.C. Nesmith, and C.L. Schardl

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Small potassium ion channel proteins encoded by chlorella viruses, Ming Kang, Anna Moroni, Sabrina Gazzarrini, Dario DiFrancesco, Gerhard Thiel, Maria Severino, and James L. Van Etten

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Wheat Cultivar-Specific Selection of 2,4-Diacetylphloroglucinol-Producing Fluorescent Pseudomonas Species from Resident Soil Populations, M. Mazzola, Deanna L. Funnell, and J.M. Raaijmakers

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MesA, a Novel Fungal Protein Required for the Stabilization of Polarity Axes in Aspergillus nidulans, Claire L. Pearson, Kaimei Xu, Kathryn E. Sharpless, and Steven D. Harris

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Rapid Iodine Staining Techniques for Identifying the Waxy Phenotype in Sorghum Grain and Waxy Genotype in Sorghum Pollen, Jeffrey F. Pedersen, S.R. Bean, Deanna L. Funnell, and Robert A. Graybosch

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The HopPtoF Locus of Pseudomonas syringae pv. tomato DC3000 Encodes a Type III Chaperone and a Cognate Effector, Libo Shan, Hye-sook Oh, Jianfu Chen, Ming Guo, Jianmin Zhou, James R. Alfano, Alan Collmer, Xu Jia, and Xiaoyan Tang

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Complete nucleotide sequence of Oat necrotic mottle virus: A distinct Tritimovirus species (family Potyviridae) most, D.C. Stenger and Roy C. French

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The Accidental Plant Pathologist, Anne M. Vidaver

2003

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Use of a Seed Scarifier for Detection and Enumeration of Galls of Anguina and Rathayibacter Species in Orchard Grass Seed, Steven C. Alderman, Douglas M. Bilsland, John A. Griesbach, Gene M. Milbrath, Norman W. Schaad, and Elena Postnikova

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The complete genome sequence of the Arabidopsis and tomato pathogen Pseudomonas syringae pv. tomato DC3000, C. Robin Buell, Vinita Joardar, Magdalen Lindeberg, Jeremy Selengut, Ian T. Paulsen, Michelle L. Gwinn, Robert J. Dodson, Robert T. Deboy, A. Scott Durkin, James F. Kolonay, Ramana Radupu, Sean Daugherty, Lauren Brinkac, Maureen J. Beanan, Daniel H. Haft, William C. Nelson, Tanja Davidsen, Nikhat Zafar, Liwei Zhou, Jia Liu, Qiaoping Yuan, Hoda Khouri, Nadia Fedorova, Bao Tran, Daniel Russell, Kristi Berry, Teresa Utterback, Susan E. Van Aken, Tamara V. Feldblyum, Mark D'Ascenzo, Wen-Ling Deng, Adela R. Ramos, James R. Alfano, Samuel Cartinhour, Arn K. Chatterjee, Terrence P. Delaney, Sondra G. Lazarowitz, Gregory B. Martin, David J. Schneider, Xiaoyan Tang, Carol L. Bender, Owen White, Claire M. Fraser, and Alan Collmer

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GacA, the Response Regulator of a Two-Component System, Acts as a Master Regulator in Pseudomonas syringae pv. tomato DC3000 by Controlling Regulatory RNA, Transcriptional Activators, and Alternate Sigma Factors, Asita Chatterjee, Yaya Cui, Hailian Yang, Alan Collmer, James R. Alfano, and Arun K. Chatterjee

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Bcl-2 Family Members Inhibit Oxidative Stress-Induced Programmed Cell Death in Saccharomyces cerevisiae, Shao-Rong Chen, David Dunigan, and Martin Dickman

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Review of Molecular Biology of Fungal Development, Mycology Series, Volume 15, Marty Dickman

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A Protein Kinase from Colletotrichum trifolii Is Induced by Plant Cutin and Is Required for Appressorium Formation, M. B. Dickman, Y.-S. Ha, Z. Yang, B. Adams, and C. Huang

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EVOLUTION OF WHEAT STREAK MOSAIC VIRUS: Dynamics of Population Growth Within Plants May Explain Limited Variation, Roy C. French and Drake C. Stenger

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Genetic Variation Among Isolates of the Web Blight Pathogen of Common Bean Based on PCR-RFLP of the ITS-rDNA Region, G. Godoy-Lutz, J. R. Steadman, B. Higgins, and K. Powers

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Are Chlorella Viruses a Rich Source of Ion Channel Genes?, Ming Kang, Anna Moroni, Sabrina Gazzarrini, and James L. Van Etten

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Induced Resistance as a Mechanism of Biological Control by Lysobacter enzymogenes Strain C3, Ozlem Kilic-Ekici and Gary Y. Yuen

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Evaluation of Resistance Screening Methods for Sclerotinia Stem Rot of Soybean and Dry Bean, Linda S. Kull, Tri D. Vuong, Kris S. Powers, Kent M. Eskridge, James R. Steadman, and Glen L. Hartman

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Use of A 3 Cytoplasm to Reduce Risk of Gene Flow through Sorghum Pollen, Jeffrey F. Pedersen, D. B. Marx, and Deanna L. Funnell

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Unusual Life Style of Giant Chlorella Viruses, James L. Van Etten

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Fungal Biology and Agriculture: Revisiting the Field, O. Yarden, D. J. Ebbole, S. Freeman, R. J. Rodriguez, and M. B. Dickman

2002

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Adenylyl Cyclase Functions Downstream of the Gα Protein Gpa1 and Controls Mating and Pathogenicity of Cryptococcus neoformans, J. Andrew Alspaugh, Read Pukkila-Worley, Toshiaki Harashima, Lora M. Cavallo, Deanna L. Funnell, Gary M. Cox, John R. Perfect, James W. Kronstad, and Joseph Heitman

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Emergence of a New Cucurbit-Infecting Begomovirus Species Capable of Forming Viable Reassortants with Related Viruses in the Squash leaf curl virus Cluster, J. K. Brown, A. M. Idris, C. Alteri, and Drake C. Stenger

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Isolation and characterization of a virus that infects Emiliania huxleyi (Haptophyta), Tonje Castberg, Runar Thyrhaug, Aud Larsen, Ruth-Anne Sandaa, Mikal Heldal, James L. Van Etten, and Gunnar Bratbak

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An Evolutionary Perspective of Pierce’s Disease of Grapevine, Citrus Variegated Chlorosis, and Mulberry Leaf Scorch Diseases, Jianchi Chen, John S. Hartung, Chung-Jan Chang, and Anne M. Vidaver

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Mapping of the P1 proteinase cleavage site in the polyprotein of Wheat streak mosaic virus (genus Tritimovirus), Il-Ryong Choi, Kempton M. Horken, Drake C. Stenger, and Roy C. French

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Bean pod mottle virus: A Threat to U.S. Soybean Production, Loren J. Giesler, Said A. Ghabrial, Thomas E. Hunt, and John H. Hill

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Selected Soybean Plant Introductions with Partial Resistance to Sclerotinia sclerotiorum, D. D. Hoffman, B. W. Diers, G. L. Hartman, C. D. Nickell, R. L. Nelson, W. L. Pedersen, E. R. Cober, George L. Graef, J. R. Steadman, C. R. Grau, B. D. Nelson, L. E. del Rio, T. Helms, T. Anderson, V. Poysa, University of Guelph, and W. C. Stienstra

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Characterization of the Aspergillus nidulans 14-3-3 homologue, ArtA, Peter R. Kraus, Amy F. Hoffman, and Steven D. Harris

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Genomewide identification of proteins secreted by the Hrp type III protein secretion system of Pseudomonas syringae pv. tomato DC3000, Tanja Petnicki-Ocwieja, David J. Schneider, Vincent C. Tam, Scott T. Chancey, Libo Shan, Yashitola Jamir, Lisa M. Schechter, Misty Janes, C. Robin Buell, Xiaoyan Tang, Alan Collmer, and James R. Alfano

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Phylogenetic relationships, strain diversity and biogeography of tritimoviruses, Frank Rabenstein, Dallas L. Seifers, Jorg Schubert, Roy C. French, and Drake C. Stenger

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Greenhouse and Field Evaluation of Biological Control of Fusarium Head Blight on Durum Wheat, D. A. Schisler, N. I. Khan, Michael J. Boehm, and P. J. Slininger

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Functional Characterization and Localization of the Aspergillus nidulan Formin SEPA, Kathryn E. Sharpless and Steven D. Harris

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Uses of Antimicrobials in Plant Agriculture, Anne M. Vidaver

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Isolation and Characterization of Endophytic Colonizing Bacteria from Agronomic Crops and Prairie Plants, Denise K. Zinniel, Patricia A. Lambrecht, N. Beth Harris, Zhengyu Feng, Daniel Kuczmarski, Phyllis Higley, Carol A. Ishimaru, Alahari Arunakumari, Raul G. Barletta, and Anne M. Vidaver

2001

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Contributions of genetic drift and negative selection on the evolution of three strains of wheat streak mosaic tritimovirus, I.-R. Choi, J.S. Hall, M. Henry, Lingyu Zhang, G.L. Hein, Roy C. French, and D.C. Stenger

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Abrogation of disease development in plants expressing animal antiapoptotic genes, M. B. Dickman, Y. K. Park, T. Oltersdorf, W. Li, T. Clemente, and Roy C. French

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Three Distinct Mechanisms Facilitate Genetic Isolation of Sympatric Wheat Streak Mosaic Virus Lineages, Jeffrey Hall, Roy C. French, Gary L. Hein, Thomas Jack Morris, and Drake Stenger

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Structure and Temporal Dynamics of Populations within Wheat Streak Mosaic Virus Isolates, Jeffrey S. Hall, Roy C. French, Thomas Jack Morris, and Drake C. Stenger

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Septum formation in Aspergillus nidulans, Steven D. Harris

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The NS5A protein of bovine viral diarrhoea virus interacts with the α subunit of translation elongation factor-1, Craig M. Johnson, Daniel R. Perez, Roy C. French, William C. Merrick, and Ruben O. Donis

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Selection and Evaluation of Microorganisms for Biocontrol of Fusarium Head Blight of Wheat Incited by Gibberella zeae, N. I. Khan, D. A. Schisler, Michael J. Boehm, P. J. Slininger, and R. J. Bothast

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Use of flow cytometry, fluorescence microscopy, and PCR-based techniques to assess intraspecific and interspecific matings of Armillaria species, Mee-Sook Kim, Ned B. Klopfenstein, Geral I. McDonald, Kathiravetpillai Arumuganathan, and Anne M. Vidaver

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The Aspergillus nidulans snt Genes Are Required for the Regulation of Septum Formation and Cell Cycle Checkpoints, Peter R. Kraus and Steven D. Harris

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Identification of Seed Gall Nematodes of Agronomic and Regulatory Concern with PCR-RFLP of ITS1, Thomas O. Powers, Allen L. Szalanski, P. G. Mullin, T. S. Harris, T. Bertozzi, and J. A. Griesbach

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Fungal symbiosis from mutualism to parasitism: who controls the outcome, host or invader?, Regina S. Redman, David Dunigan, and Rusty J. Rodriguez

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BACILLUS SPECIES FOR REDUCING FUSARIUM HEAD BLIGHT IN CEREALS, David A. Schisler, Naseem I. Khan, and Michael J. Boehm

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First Report of Columbia Root Knot Nematode (Meloidogyne chitwoodi) in Potato in Texas, A. L. Szalanski, P. G. Mullin, T. S. Harris, and T. O. Powers

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Virulence of Puccinia triticina on Wheat in Nebraska during 1997 and 1998, J. E. Watkins, J. Schimelfenig, P. Stephen Baenziger, and K. M. Eskridge

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Accumulation of barley stripe mosaic virus is significantly reduced in transgenic wheat plants expressing a bacterial ribonuclease, Lingyu Zhang, Roy C. French, Willem G. Langenberg, and Amitava Mitra

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Chitinases from the Plant Disease Biocontrol Agent, Stenotrophomonas maltophilia C3, Z. Zhang, Gary Yuen, Gautam Sarath, and A. R. Penheiter

2000

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'Earlibrite' Strawberry, C. K. Chandler, D. E. Legard, David Dunigan, T. E. Crocker, and C. A. Sims

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‘Strawberry Festival’ Strawberry, C. K. Chandler, D. E. Legard, David Dunigan, T. E. Crocker, and C. A. Sims

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A plant virus vector for systemic expression of foreign genes in cereals, Il-Ryong Choi, Drake C. Stenger, Thomas Jack Morris, and Roy C. French

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Nuclear Localization of Turnip Crinkle Virus Movement Protein p8, Yuval Cohen, Feng Qu, Andreas Gisel, Thomas Jack Morris, and Patricia Zambryski

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Characterization of North American Armillaria species by nuclear DNA content and RFLP analysis, Mee-Sook Kim, Ned Klopfenstein, Geral I. McDonald, Kathiravetpillai Arumuganathan, and Anne M. Vidaver

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A Potassium Channel Protein Encoded by Chlorella Virus PBCV-1, B. Plugge, S. Gazzarrini, M. Nelson, R. Cerana, James L. Van Etten, C. Derst, D. DiFrancesco, A. Moroni, and G. Thiel

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The open reading frame 5A of foxtail mosaic virus is expressed in vivo and is dispensable for systemic infection, N.L. Robertson, Roy C. French, and Thomas Jack Morris

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Evaluation of Proposed Amended Names of Several Pseudomonads and Xanthomonads and Recommendations, N. W. Schaad, Anne M. Vidaver, G. H. Lacy, K. Rudolph, and J. B. Jones

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Condition of Green Ash, Incidence of Ash Yellows Phytoplasmas, and Their Association in the Great Plains and Rocky Mountain Regions of North America, J. A. Walla, W. R. Jacobi, N. A. Tisserat, M. O. Harrell, J. J. Ball, G. B. Neil, D. A. Reynard, Y. H. Guo, and L. Spiegel

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Soybean Cyst Nematode Reproduction in the North Central United States, J. Wang, P. A. Donald, T. L. Niblack, G. W. Bird, J. Faghihi, J. M. Ferris, C. Grau, D. J. Jardine, P. E. Lipps, A. E. MacGuidwin, H. Melakeberhan, G. R. Noel, P. Pierson, P. M. Riedel, P. R. Sellers, W. C. Stienstra, T. C. Todd, G. L. Tylka, T. A. Wheeler, and D. S. Wysong

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An efficient wheat transformation procedure: transformed calli with long-term morphogenic potential for plant regeneration, Lingyu Zhang, J.J. Rybczynski, W.G. Langenberg, Amitava Mitra, and Roy C. French

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The Role of Chitinase Production by Stenotrophomonas maltophilia Strain C3 in Biological Control of Bipolaris sorokiniana, Zhongge Zhang and Gary Y. Yuen

1999

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Fully Biologically Active In Vitro Transcripts of the Eriophyid Mite-Transmitted Wheat Streak Mosaic Tritimovirus, Il-Ryong Choi, Roy C. French, Gary L. Hein, and Drake C. Stenger

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Pisatin demethylation by fungal pathogens and nonpathogens of pea: Association with pisatin tolerance and virulence, Leslie M. Delserone, K. McCluskey, D. E. Matthews, and H. D. VanEtten

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Morphogenesis is coordinated with nuclear division in germinating Aspergillus nidulans conidiospores, Steven D. Harris

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Identification and Characterization of Genes Required for Hyphal Morphogenesis in the Filamentous Fungus Aspergillus nidulans, Steven D. Harris, Amy F. Hofmann, Hugo W. Tedford, and Maurice P. Lee

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dnaK and the Heat Stress Response of Pseudomonas syringae pv. glycinea, Lisa M. W. Keith, James E. Partridge, and Carol L. Bender

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Novel application of PhastSystem polyacrylamide gel electrophoresis using restriction fragment length polymorphism ± internal transcribed spacer patterns of individuals for molecular identification of entomopathogenic nematodes, Horolma Pamjav, Dimitra Triga, Zsuzsanna Buzµs, Tibor Vellai, Attila Lucskai, Byron Adams, Alexander P. Reid, Ann Burnell, Christine Griffin, Itamar Glazer, Michael G. Klein, and Andras Fodor

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Isolates of Uromyces appendiculatus with Specific Virulence to Landraces of Phaseolus vulgaris of Andean Origin, Craig M. Sandlin, James R. Steadman, Carlos M. Araya, and Dermot P. Coyne

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Genetic variation in geographical populations of western and Mexican corn rootworm, A. L. Szalanski, R. L. Roehrdanz, D. B. Taylor, and L. Chandler

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Giant Viruses Infecting Algae, James L. Van Etten and Russel Meints

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Colletotrichum trifolii Mutants Disrupted in the Catalytic Subunit of cAMP-Dependent Protein Kinase Are Nonpathogenic, Zhonghui Yang and Martin B. Dickman

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Biological Control of Bipolaris sorokiniana on Tall Fescue by Stenotrophomonas maltophilia Strain C3, Z. Zhang and G. Y. Yuen

1998

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A Phylogenetic Analysis of Heterorhabditis (Nemata: Rhabditidae) Based on Internal Transcribed Spacer 1 DNA Sequence Data, B. J. Adams, A. M. Burnell, and Thomas O. Powers

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Polymerase Chain Reaction Detection and Phylogenetic Characterization of an Agent Associated with Yellow Vine Disease of Cucurbits, Francisco J. Avila, Benny D. Bruton, Jacqueline Fletcher, J. L. Sherwood, Sam D. Pair, and Ulrich Melcher

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Lindsay M. Black, 1907 to 1997, Myron K. Brakke and D. V. R. Reddy

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Signaling via cAMP in fungi: interconnections with mitogen-activated protein kinase pathways, James Kronstad, Adriana De Maria, Deanna Funnell, R. David Laidlaw, Nancy Lee, Mário Moniz de Sá, and Marilee Ramesh

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Signaling via cAMP in Fungi: Interconnections with Mitogen-Activated Protein Kinase Pathways, James Kronstad, Adriana De Maria, Deanna L. Funnell, R. David Laidlaw, Nancy Lee, Mário Moniz de Sá, and Marilee Ramesh

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Interactions between the Structural Domains of the RNA Replication Proteins of Plant-Infecting RNA Viruses, Erin K. O'Reilly, Zhaohui Wang, Roy C. French, and C. Cheng Kao

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A Partial Host Range of the High Plains Virus of Corn and Wheat, Dallas L. Seifers, Tom L. Harvey, T. J. Martin, and Stanley G. Jensen

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Phylogenetic Relationships Within the Family Potyviridae: Wheat Streak Mosaic Virus and Brome Streak Mosaic Virus Are Not Members of the Genus Rymovirus, Drake C. Stenger, Jeffrey S. Hall, Il-Ryong Choi, and Roy C. French

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Certification and the American Phytopathological Society, L. J. Stowell, J. Amador, O.W. Barnett, R. J. Cook, D. E. Mathre, Anne M. Vidaver, and S. A. Tolin

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Physiologic Specialization of Puccinia recondita f. sp. tritici in Nebraska During 1995 and 1996, J. E. Watkins, S. S. Rutledge, P. Stephen Baenziger, and W. Youngquist

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A Sensitive ELISA for Pythium ultimum Using Polyclonal and Species-Specific Monoclonal Antibodies, G. Y. Yuen, J. Q. Xia, and C. L. Sutula

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Expression of Human Lactoferrin cDNA Confers Resistance to Ralstonia solanacearum in Transgenic Tobacco Plants, Zhanyuan Zhang, Dermot P. Coyne, Anne M. Vidaver, and Amitava Mitra

1997

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United States Patent, Number: 5,633,447: PLANT TISSUE COMPRISING A SUBGENOMIC PROMOTER, Paul G. Ahlquist and Roy C. French

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United States Patent , Number: 5,602,242: HYBRID RNA VIRUS, Paul G. Ahlquist, Roy C. French, and Robert F. Sacher