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John Shields

Blurred image of the arch used as background for stylistic purposes.
Academic Professional
Managing Director of Georgia Electron Microscopy

In my role as Managing Director of Georgia Electron Microscopy (GEM) I assist researchers, students and various commercial clients in imaging and data acquisition using the instrumentation at GEM. We train and help those requiring TEM, SEM, STEM and EDX as well as advise in experimental design and development in the areas of imaging. I have experience in a wide range of scientific arenas, which allows me to help with a variety of problems. GEM staff also assist and advise in the areas of veterinary biopsy and diagnostics, nanotechnology and physical sciences. My expertise is primarily in the biological sciences with a background in mycology, plant science, plant pathology, food science, and entomology.  I guest lecture on imaging and analysis and promote the use of GEM for several different departments at UGA.

I have worked as a geologic assistant, draftsman, environmental testing firm corporate liaison, biology and botany instructor, and a postdoc in plant pathology.


A.S. Landscape Architecture, Bakersfield Community College, CA

B.S. Biology, Cal State Univ. Bakersfield CA

M.S. Biology, Stephen F. Austin State Univ. Nacogdoches,TX

Ph.D. Botany, UGA

Peters CR, Bamford MK, Shields JP. Wetlands sedge taphonomy reveals a paleo-pasture in the    Olduvai Basin, Tanzania, with implications for hominin dietary resources. (2020) African Paleoecology and Human Evolution, Cambridge Univ. Press, Sally C. Reynolds & René Bobe (Editors)In Press

Stracher GB, Weincamp J, Simmons B, Shields JP, White Y, Nolter MA, Prakash A, Lindsley-Griffin N. Coal-Fire Microarthropods from the Centralia, Pennsylvania and Alaska Mine Fires. (2019) Coal and Peat Fires. A Global Perspective. Vol. 5, GB Stracher (Editor).

Jarret R, Bauchan G, Oswald W, Arumuganathan K, Shields J. Notes on <i>Citrullus</i> spp.: Pollen Morphology, C Values, and Interspecific Hybridizations with the Gemsbok Cucumber. Crop Science. 2017 March; 57(2):856-864. Available from: DOI: 10.2135/cropsci2016.08.0717

Hamilton-Brehm SD, Gibson RA, Green SJ, Hopmans EC, Schouten S, van der Meer MT, Shields JP, Damsté JS, Elkins JG. Thermodesulfobacterium geofontis sp. nov., a hyperthermophilic, sulfate-reducing bacterium isolated from Obsidian Pool, Yellowstone National Park. Extremophiles. 2013 Mar;17(2):251-63. PubMed PMID: 23345010..

Mumaw JL, Machacek D, Shields JP, Dodla MC, Dhara SK, Stice SL (2010) Neural differentiation of human embryonic stem cells at the Ultrastructural level. Microscopy & Microanalysis 16: 80-90

Banjongsinsiri P, Shields J, Wicker L. Vacuum infusion of plant or fungal pectinmethylesterase and calcium affects the texture and structure of eggplant. J Agric Food Chem. 2004 Dec 29;52(26):8214-23. PubMed PMID: 1561282

Ding X, Shields J, Allen R, Hussey RS (2000) Molecular cloning and characterization of a venom allergen AG5-like cDNA from Meloidogyne incognita.  Int. J Parasitology30: 77-81

Ding X, Shields JP, Allen R, Hussey RS (1998) A secretory cellulose-binding protein cDNA cloned from the root-knot nematode (Meloidogyne incognita). Molecular Plant-Microbe Interactions. 11: 952-959.

Reisen WK, Meyer RP, Shields J, Arbolante C. Population ecology of preimaginal Culex tarsalis (Diptera: Culicidae) in Kern County, California. J Med Entomol. 1989 Jan;26(1):10-22. PubMed PMID: 2926773.

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Head of the Department: Dr. Dennis Kyle