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Joe Mowery


Joseph Mowery
Biologist / Electron Microscopy Specialist

Electron & Confocal Microscopy Unit
USDA Agricultural Research Service 
10300 Baltimore Ave
BARC-West, Bldg 12
Beltsville, MD 20705
(301) 504-9027  





Joe is a Biologist at the Electron & Confocal Microscopy Unit at the USDA Agricultural Research Service in Beltsville, MD. He received a B.S. from the University of Texas at Arlington and served as a paratrooper and parachute rigger in the US Army. Prior to joining USDA, he was involved in plant ecology research in the Arctic Circle with Dr. Laura Gough, and along the Missouri River in partnership with Colorado State University and the Center for Environmental Management of Military Lands. After joining USDA in 2011, he worked with Dr. Zafar Handoo on the taxonomy and systematics of nematodes, focusing on the identification and morphology of plant-parasitic nematodes. Since 2014, while working with Dr. Gary Bauchan, Joe has specialized in biological ultrastructure and the utilization of TEM for researching agricultural plants, pests and pathogens, and has developed novel TEM and Cryo-SEM methods for imaging and studying predator/prey relationships in situ. His collaborative research, includes a recent major finding reported in PNAS, revealing the fat body tissue as the food source of Varroa mites feeding on adult honeybees. Joe serves on the Board of Directors for the Chesapeake Microscopy & Microanalysis Society, and is the Chair of the Membership Committee of the Microscopy Society of America, where he is actively engaged in creating opportunities to advance the microscopy community. Joe is also a Research Associate of the Smithsonian National Museum of Natural History in Washington DC.

Research In the News

Research Snapshots

Electron microscopy specialist, Joe Mowery, and veterinary parasitologist, J.P. Dubey, examine the protozoan parasite, sarcosistis, by transmission electron microscopy.

The ECMU team utilizes confocal laser scanning microscopy to generate 3D scans of mite which are converted into models and printed on a 3D printer. 

/ARSUserFiles/47558/Collecting water mites at OSU2.jpg
Joe Mowery collects water mites, during an summer intensive short course on the taxonomy and systematics of Parasitengona mites at Ohio State University.

/ARSUserFiles/47558/joe ultamicrotome.jpg
Joe Mowery trims resin blocks and positions samples in the proper orientation before slicing the tissue in an ultramicrotome in preparation for transmission electron microscopy.


Professional Society Positions and Research Appointments

Publication Databases

Publications on Research Gate 
Publications on Google Scholar 
Publications on PubMed 
Publications on Scopus 
Publications on Mendeley 
Publications on PubAg 

Peer-Reviewed Journal Articles    (Last Modified 11/4/2020)

  1. Kantor, M.R., Handoo, Z. A., Skantar, A. M., Hult, M. N., Ingham, R.E., Wade, N. M., Ye, W., Bauchan G. R. and Mowery, J. D. 2020. Molecular and morphological characterization of Punctodera mulveyiensis n. sp. (Nematoda: Punctoderidae) from Golf Course Green in Oregon, United States with a key and diagnostic compendium to species of the genus Punctodera Mulvey & Stone, 1976. Nematology (TBD)
  2. Dubey, J.P., Almeria, S., Mowery, J., Fortes, J. 2020. Endogenous developmental cycle of the human coccidian Cyclospora cayetanensis. Journal of Parasitology 106(2) 295-307
  3. Blackburn, M.B., Farrar Jr., R.R., Sparks, M.E., Kuhar, D., Mowery, J.D., Mitchell, A, Gundersen-Rindal, D.E. 2020. Chromobacterium paludism sp. nov., a novel bacterium isolated the a Chesapeake Bay marsh. International Journal of Systematic and Evolutionary Microbiology,
  4. Bauchan, G.R., Mowery, J., Ochoa, R., Palevsky, E. and Carta, L. 2020. Focus on nematodes: Microscopic roundworms. Journal of Microscopy & Microanalysis DOI:
  5. Mowery, J. and Bauchan, G.R. Utilization of Z-6040 organosilane as a coupling agent to improve the adhesion of epoxy resins to waxy biological tissues. Microscopy and Microanalysis, DOI:, pp. 1-2
  6. Cornelius M.L., Vinyard, B.T., Mowery, J.D., Hu, J.S. 2020. Ovipositional behavior of the egg parasitoid Gryon pennsylvanicum (Hymenoptera: Scelionidae) on two squash bug species Anasa tristis and Anasa armigera (Hemiptera: Coreidae). Environmental Entomology, nvaa118,
  7. Gu, G., Bolten, S., Mowery, J., Luo, Y., Rideout, S., Nou, X. 2020. Susceptibility of foodborne pathogens to sanitizers in produce rinse water and potential induction of viable but non-culturable state. Food Control 112: 107138.
  8. Azevedo, L. H., Moreira, M. F. P., Grilli,G., Borges, V., de Moraes, G. J., Inomoto, M. M., Vicente, M., Desiqueira, M., Peres, L. P., Rueda-Ramírez, D., Carta, L., Meyer, S. L. F., Mowery, J., Bauchan, G., Ochoa, R., Palevsky, E. 2020. Combined releases of predatory mites and provisioning of free-living nematodes for the biological control of root-knot nematodes on ‘Micro Tom tomato’. Biological Control 146, 104280.
  9. Blackburn, M.B., Farrar Jr., R.R., Sparks, M.E., Kuhar, D., Mowery, J.D., Mitchell, A, Gundersen-Rindal, D.E. 2019. Chromobacterium phragmitis sp. nov., isolated from estuarine marshes. International Journal of Systematic and Evolutionary Microbiology 69:2681-2686, doi: 10.1099/ijsem.0.003508.
  10. Dos Santos, E.R., Trentin, L.B., Ecker, A., Silva, L.A., Borges, M., Mowery, J.D., Ribeiro, B.M., Harrison, R.L., Ardisson-Araújo, D.M.P. 2019. An iflavirus found in stink bugs (Hemiptera: Pentatomidae) of four different species. Virology 534:72-79
  11. Medina-Salguero, A. X., Cornejo-Franco, J.F., Grinstead, S., Mollov, D., Mowery, J.D., Flores, F., Quito-
    Avila D.F. 2019. Sequencing, genome analysis and prevalence of a cytorhabdovirus discovered in Carica papaya.PLOS One,
  12. Patel, J., Bauchan, G., Yin, H., Mowery, J. 2019. Inhibition of Escherichia coli O157:H7 and Salmonella enterica virulence factors by benzyl isothiocyanate. Food Microbiology 86 Article 103303:1-6
  13. Vieira, P., Mowery, J.D., Eisenback, J.D., Shao, J., Nemchinov, L.G. 2019. Cellular and Transcriptional Responses of Resistant and Susceptible Cultivars of Alfalfa to the Root Lesion Nematode, Pratylenchus penetrans. Frontiers in Plant Science 10 Article 971:1-17
  14. Blanco, C.A., Rosario-Lebron, A., O’Donnell, C.A., Portilla, M., Gullbronson, C., Mowery, J., Smith-Pardo, A.H., Stocks, I., Nadel, H., Trozzo, L.R., Haslem, P.S., Young, J.D., Downes, S., Parker, T., Walsh, T., Tek Tay, W., Oppenheim, S. 2019. Improving Risk Assessment of Noctuid Pests at North American Ports and Farms by Differentiating Egg Morphology. Annals of the Entomological Society of America, saz029:1-8
  15. Li, A., Egekwu, N.I., Posada, F., Cook, S.C., Sonenshine, D.E., Mowery, J., Gulbronson, C.J., Bauchan, G.R. 2019. Insights into patterns of female mite Varroa destructor feeding on honeybee Apis mellifera pupae using electropentograph recordings. Journal of Insect Physiology (in press)
  16. Ramsey, S., Ochoa, R., Bauchan, G.R., Gulbronson, C., Mowery, J., Cohen, A., Lim, D., Joklik, J., Cicero, J., Ellis, J., Hawthornem, D., vanEngelsdorp, D. 2019. Varroa destructor (Varroidae) feed on honey bee fat body tissue not hemolymph. Proceedings National Academy of Sciences 116: 1792-1801
  17. Escasa, S.R., Harrison, R.H., Mowery, J.D., Bauchan G.R., Cory, J.S. 2019. The complete genome sequence of a second alphabaculovirus from the true armyworm, Mythimna unipuncta: Implications for baculovirus phylogeny and host specificity. Virus Genes 55(1):104-116
  18. Dubey, J.P., Cerqueira-Cézar, C.K., Murata, F.H.A., Mowery, J.D., Scott, D., Rosypal von Dohlen, A.,
    Lindsay, D.S. 2019. Confirmation of Sarcocystis jamaicensis Sarcocysts in IFN Gene Knock Out Mice orally inoculated with Sporocysts from Red-tailed hawk (Buteo jamaicensis). Journal of Parasitology 105:143-145.
  19. Escasa, S.R., Harrison, R.H., Mowery, J.D., Bauchan G.R., Cory, J.S. 2019. The complete genome
    sequence of an alphabaculovirus from Spodoptera exempta, an agricultural pest of major economic significance in Africa. PLOS One 14: e0209937
  20. Cooper, B., Campbell, K.B., Beard, H.S., Garrett, W.M., Mowery, J.D., Bauchan, G.R., Elia, P. 2018. A Proteomic Network for Symbiotic Nitrogen Fixation Efficiency in Bradyrhizobium elkanii. Molecular Plant-Microbe Interactions 31:334-343
  21. Harrison, R.L., Mowery, J.D., Rowley, D.L., Bauchan, G.R., Theilmann, D. A., Rohrmann, G. F., Erlandson, M.A. 2018. The complete genome sequence of a third distinct baculovirus isolated from the true armyworm, Mythimna unipuncta, contains two copies of the lef-7 gene. Virus Genes 54:297-310
  22. Murata, F.H.A., Cerqueira-Cézar, C.K., Thompson, P.C., Tiwari, K., Mowery, J.D., Verma, S.K., Rosenthal, B.M., Sharma, R.N., Dubey, J.P. 2018 Sarcocystis cymruensis: discovery in Western Hemisphere in the Brown rat (Rattus norvegicus) from Grenada, West Indies: redescription, molecular characterization, and transmission to IFN-γ gene knockout mice via sporocysts from experimentally infected domestic cat (Felis catus). Parasitology Research 117:1195-1204
  23. Gulbronson, C., Mowery, J., Pooley, C., Ochoa, R., Bolton, J., Bauchan, G.R., 2018. Three-dimensional printing of agriculturally important mites generated from confocal microscopy. Microscopy and Microanalysis 24: 1360-1361
  24. Mowery, J. and Bauchan, G.R., 2018. Optimization of rapid microwave processing of botanical samples for transmission electron microscopy. Microscopy and Microanalysis 24:1202-1203
  25. Ramsey, S., Gulbronson, C., Mowery, J., Ochoa, R., VanEnglesdorp, D., Bauchan, G.R., 2018. A multi-microscopy approach to discover the feeding site and host tissue consumed by Varroa destructor on host honey bees. Microscopy and Microanalysis 24:1258-1259
  26. Harrison, R.L., Herniou, E.A., Jehle, J.A., Theilmann, D.A., Burand, J.P., Becnel, J.J., Krell, P.J., van Oers, M.M., Mowery, J.D., Bauchan, G.R. 2018. Family Baculoviridae. In: Lefkowitz, E.J., Davison, A.J., Sabanadzovic, S., Siddell, S., Simmonds, P., Smith, D.B., Orton, R.J., Harrach, B., Knowles, N.J., Kropinski, A., Kuhn, J.K., Nibert, M.L., Zerbini, F.M., Adams, M.J., Editors. Virus Taxonomy: The Classification and Nomenclature of Viruses. International Committee on Taxonomy of Viruses (ICTV).
  27. Cerqueira-Cézar, C. Thompson, P., Murata, F., Mowery, J., Brown, J., Banfield, J., Rosenthal, B., Dubey, J. 2018. Histopathological, morphological, and molecular characterization of Sarcocystis species in elk (Cervus elaphus) from Pennsylvania, USA. Parasitology Research 117:3245-3255
  28. Harrison, R.L., Herniou, E.A., Jehle, J.A., Theilmann, D. A., Burand, J. P., Becnel, J. J., Krell P. J., van Oers, M. M., Mowery, J. D., Bauchan, G.R. 2018. ICTV Virus Taxonomy Profile: Baculoviridae. Journal of General Virology 99:1185-1186
  29. Zhang, M., Chu, Y., Mowery, J., Konkel, B., Galli, S., Theos, A.C., Golestaneh, N. 2018. PGC-1α repression and high fat diet induce age-related macular degeneration-like phenotypes in mice. Disease Models & Mechanisms 11, dmm032698. doi:10.1242/dmm.032698
  30. Zhang, B., Luo, Y., Kanyuck, K., Saenz, N., Zavalij, P., Reed, K., Mowery, J., Bauchan, G. 2018. Facile and template-free solvothermal synthesis of mesoporous/macroporous metal-organic framework nanosheets. Royal Society of Chemistry Advances 8, 33059-33064
  31. Dubey, J.P., Trupkiewicz, J.G., Verma, S.K., Mowery, J.D., Adedoyin, G., Georoff, T., Grigg, M.E. 2017. A typical fatal sarcocystosis associated with Sarcocystis neurona in a White-nosed coati (Nasua narica molaris). Veterinary Parasitology 247:80-84.
  32. Harrison, R.L., Rowley, D.L., Mowery, J.D., Bauchan, G.R., Theilmann, D. A., Rohrmann, G. F., Erlandson,
    M. 2017. The complete genome sequence of a second distinct betabaculovirus from the true armyworm, Mythimna unipuncta. PLoS ONE 21: 1-24
  33. Dubey, J.P., Naji, N., Mowery, J.D., Verma, S., Calero-Bernal, R. 2017. Identification of macroscopic
    sarcocysts of Sarcocystis cameli from one-humped camel (Camelus dromedarius) in Iraq. Journal of Parasitology 103: 168-169
  34. Vieira, P., Mowery, J.D., Kilcrease, J., Eisenback, J.D., Kamo, K. 2017. Characterization of Lilium longiflorum cv. 'Nellie White' Infection with Root-lesion Nematode Pratylenchus penetrans by Bright-field and Transmission Electron Microscopy. Journal of Nematology 49: 2-11
  35. Cerqueira-Cezar, C.K., Thompson, P.C., Verma, S.K., Mowery, J.D., Calero-Bernal, R., Murata, F., Sinnett, D., Van Hemert, C., Rosenthal, B.M., Dubey, J.P. 2017. Morphological and molecular characterization of Sarcocystis arctica-like sarcocysts from the Arctic fox (Vulpes lagopus) from Alaska, USA. Parasitology Research 116: 1871-1878
  36. Verma, S., Rosypal Von Dohlen, A., Mowery, J.D., Scott, D., Rosenthal, B., Dubey, J.P., Lindsay, D.S. 2017. Sarcocystis jamaicensis, n. sp. from red-tailed hawks (Buteo jamaicensis) definitive host and IFN-γ gene knockout mice as experimental intermediate host. Journal of Parasitology 103:555-564
  37. Verma, S., Lindsay, D.S. Mowery, J.D., Rosenthal, B., Dubey, J.P., 2017. Sarcocystis pantherophis, n. sp. from eastern rat snakes (Pantherophis alleghaniensis) definitive hosts and interferon gamma gene knockout mice as experimental intermediate hosts. Journal of Parasitology 103:547-554
  38. Verma, S., Rosypal Von Dohlen, A., Mowery, J.D., Scott, D., Cerqueira-Cezar, C.K., Rosenthal, B., Dubey, J.P., Lindsay, D.S. 2017. Sarcocystis strixi, n. sp. from a barred owl (Strix varia) definitive host and interferon gamma gene knockout mice as experimental intermediate host. Journal of Parasitology 103: 768-777
  39. Harrison, R.L., Rowley, D.L., Mowery, J.D., Bauchan, G.R., Burand, J. P. 2017. The Operophtera brumata nucleopolyhedrovirus (OpbuNPV) represents an early, divergent lineage within genus Alphabaculovirus Viruses 9:307-327 2017.
  40. Trupkiewicz, J.G., Calero-Bernal, R., Verma, S.K., Mowery, J.D., Davisond, S., Habecker, P., Georoff, T.A., Ialeggioa, D.M., Dubey, J.P. 2016. Acute, fatal Sarcocystis calchasi-associated hepatitis in Roller pigeons (Columba livia f. dom.) at Philadelphia Zoo. Veterinary Parasitology 216: 52-58
  41. Dubey, J.P., Calero-Bernala, R., Verma, S.K., Mowery, J.D. 2016. Pathology, immunohistochemistry, and ultrastructural findings associated with neurological sarcocystosis in cattle. Veterinary Parasitology 223: 147-152
  42. Guo, A., Xub Y., Mowery, J.D., Nagy, A, Bauchan, G.R., Nou, X. 2016. Ralstonia insidiosa induces cell aggregation of Listeria monocytogenes. Food Control 67: 303-309
  43. Calero-Bernal, R., Cerqueira-Cézar, C. K., Verma S.K., Mowery, J.D., Carmena, D., Beckman K., Dubey, J.P. 2016. Sarcocystis arctica (Apicomplexa: Sarcocystidae): ultrastructural description and its new host record, the Alaskan wolf (Canis lupus). Parasitology Research 115: 2893-2897
  44. Zhang, B., Luo, Y., Kanyuck, K., Bauchan, G.R., Mowery, J.D., Zavalij, P. 2016. Development of Metal-Organic Framework for Gaseous Plant Hormone Encapsulation to Manage Ripening of Climacteric Produce. Journal of Agricultural and Food Chemistry 64, 5164−5170
  45. Nagy, A., Mowery, J.D., Bauchan, G.R., Wang, L., Nichols-Russell, L., Nou, X. 2015. Role of extracellular structures of Escherichia coli O157:H7 in Initial attachment to biotic and abiotic surfaces. Applied and Environmental Microbiology 81: 4720-4727
  46. Handoo, Z., Mowery, J.D., Chitwood, D., Lynn, C. 2012. The USDA Nematode Collection and its database: vital assets for systematics research and identification. Journal of Nematology 44:466-467