Pathogen Research

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Doris H. D'Souza
Foodborne pathogens

Thomas (Tom) Denes
Assistant Professor
Molecular Microbiology and Bacteriophage

Matthew J. (Matt) Gray
Amphibians and ranaviruses

Kimberly D. Gwinn
Associate Professor
Plant Pathology

Shawn A. Hawkins
Associate Professor
Animal waste management

Brandon Joseph Horvath
Associate Professor
Turf Pathologist

Kurt H. Lamour
Molecular Epidemiology

Scott Lenaghan
Assistant Professor

Katie Tolbert
Assistant Professor
Small animal gastroenterology

Groups and Facilities

(7 mentions)

Phytophthora Plant Pathogens 
Soybeans, vegetables, the Irish potato blight, and Sudden Oak Death.

(1 mention)

UT Organics 
Increasing farm income and keeping family farms in the family.

(1 mention)

Insect Physiology 
Studying the physiology of the insect gut and characterizing its interactions with invading microbes.


Host & Pathogen Interactions Between Amphibians & Ancient Fungal, 9/22/2015



NSF Awards UTIA Faculty Grant to Study Fungal Pathogen of Amphibians, 9/5/2018

A New Generation of Faculty, 8/2/2017

2016 AgResearch Faculty Awards, 10/6/2016

Five Things You Didnít Know about the East Tennessee AgResearch and Education Center, 2/25/2016


(2 mentions)

Gourmet Food Safety 
We all want good-tasting foods, but what we eat also has to be safe. UTís Institute of Agriculture works with producers statewide in food safety programs.

(1 mention)

Ranavirus Amphibians 
A killer virus is attacking amphibians native to the Smoky Mountains. Our researcher's are studying the impact of the virus, and looking to help the species most vulnerable.


Recent Publications

Role of Density and Habitat Structure on Eastern Newt Contact Rates and Pathogen Transmission.  Malagon, D. A., L. Melara, O. F. Prosper, S. Lenhart, E. D. Carter, D. L. Miller, and M. J. Gray.  2019.  Annual Meeting of the Southeast Partners in Amphibian and Reptile Conservation, Black Mountain, NC.

Response of root-knot nematode (Meloidogyne incognita) and saponin content of quinoa (Chenopodium quinoa).  Soltani, N., E. C. Bernard, and K. D. Gwinn.  2019.  Phytopathology. [Abstract]

Antimicrobial resistance patterns of S. aureus and other bacterial mastitis pathogens isolated from milk of dairy cows.  Abdi, R. D., B. E. Gillespie, G. M. Pighetti, R. A. Almeida, S. P. Oliver, and O. Kerro Dego.  2018.  Mastitis Research Workers Annual meeting, October 24 Ė 26, Chicago, Illinois..

Honey bee survival and pathogen prevalence: from the perspective of landscape and exposure to pesticides Alburaki, M., D. Chen, J. A. Skinner, W. Meikle, D. Tarpy, J. Adamczyk, and S. D. Stewart.  2018.  Insects, 9(2), 65.

Challenges and strategies for breeding resistance in Capsicum annuum to the multifarious pathogen, Phytophthora capsici Barchenger, D., K. H. Lamour, and P. Bosland.  2018.  Frontiers Plant Science.

Behavioral responses of Pityophthorus juglandis (Coleoptera: Curculionidae: Scolytinae) to volatiles of black walnut and Geosmithia morbida, the causal agent of thousand cankers disease Blood, B, W. E. Klingeman, M. Paschen, D. Hadziabdic Guerry, J. Couture, and M. Ginzel.  2018.  Environmental Entomology, 47(2): 412-421. [Abstract]

Population analysis of Erysiphe pulchra, pathogen of Cornus florida.  Boggess, S., C. Wyman, D. Hadziabdic Guerry, T. Rinehart, A. S. Windham, P. Wadl, and R. N. Trigiano.  2018.  The American Society for Horticultural Science Annual Conference.

Refinement of methodologies for susceptibility challenges with the emerging fungal pathogen Batrachochytrium salamandrivorans.  Bohanon, M., D. A. Malagon, J. P. Cusaac, E. D. Carter, C. N. Sheets, B. Gleaves, R. Kumar, L. K. Reinert, L. Rollins-Smith, D. L. Miller, and M. J. Gray.  2018.  International Conference of the Wildlife Disease Association, St. Augustine, FL.

Genome sequences of three races of Peronospora effusa: a resource for studying the evolution of the spinach downy mildew pathogen Feng, C., K. H. Lamour, B. Bluhm, S. Shrestha, B. Dhillon, and J. Correlll.  2018.  Molecular Plant Microbe Interactions.

Foodborne viral pathogens.  Gibson, KE, D. H. D'Souza, and A. Hall.  2018.  ASM Press, Ed. MP Doyle and RL Buchanan.

Quantifying the threat of a novel fungal pathogen (Batrachochytrium salamandrivorans) to amphibians of conservation concern in North Carolina (and beyond).  Gray, M. J., J. P. Cusaac, M. Bletz, E. D. Carter, D. Woodhams, L. K. Reinert, L. Rollins-Smith, G. Parra-Olea, L. Williams, A. Upchurch, P. Nanjappa, and D. L. Miller.  2018.  North Carolina Congress of Herpetology, Asheboro, NC.

Entomopathogenic bacteria in insect biological control Grijalba, E., M. Hurst, J. Ibarra, J. L. Jurat-Fuentes, and T. Jackson.  2018.  Biological Conrol of Phytopathogens, Insects and Acari, Chapter 5, pp. 296-333, Edited by A. M. Cotes, Agrosavia, Bogota, Colombia. [Abstract]