Skip to main content
ARS Home » Plains Area » College Station, Texas » Southern Plains Agricultural Research Center » Food and Feed Safety Research » People & Locations » Robert Droleskey (Bob)
Robert E Droleskey (Bob)
Food and Feed Safety Research
Microbiologist

Phone: (979) 260-9316
Fax: (979) 260-9332

(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Prevalence and characterization of Salmonella during pork sausage manufacturing Reprint Icon - (Peer Reviewed Journal)
Wottlin, L.R., Harvey, R.B., Norman, K.N., Droleskey, R.E., Andrews, K., Jackson, S.J., Anderson, R.C., Poole, T.L. 2024. Prevalence and characterization of Salmonella during pork sausage manufacturing. Microorganisms. 12(8). Article 1599. https://doi.org/10.3390/microorganisms12081599.
Prevalence and antimicrobial resistance of nontyphoidal Salmonella enterica from head meat and trim for ground product at pork processing facilities Reprint Icon - (Peer Reviewed Journal)
Wottlin, L.R., Harvey, R.B., Norman, K.N., Burciaga, S., Loneragan, G.H., Droleskey, R.E., Anderson, R.C. 2022. Prevalence and antimicrobial resistance of nontyphoidal Salmonella enterica from head meat and trim for ground product at pork processing facilities. Journal of Food Protection. 85(7):1008-1016. https://doi.org/10.4315/JFP-22-049.
Rotation of the stylet bundle in the southern green stink bug, Nezara viridula (L.) Reprint Icon - (Peer Reviewed Journal)
Esquivel, J.F., Droleskey, R.E., Harvey, R.B. 2021. Rotation of the stylet bundle in the southern green stink bug, Nezara viridula (L.). Southwestern Entomologist. 46(4):867-878. https://doi.org/10.3958/059.046.0408.
Innervation of the southern green stink bug [Nezara viridula (L.) (Hemiptera: Pentatomidae)] stylet bundle Reprint Icon - (Peer Reviewed Journal)
Esquivel, J.F., Droleskey, R.E., Harvey, R.B. 2022. Innervation of the southern green stink bug [Nezara viridula (L.) (Hemiptera: Pentatomidae)] stylet bundle. Arthropod Structure and Development. 66. Article 101135. https://doi.org/10.1016/j.asd.2021.101135.
Evaluation of a preharvest bacteriophage therapy for control of Salmonella within bovine peripheral lymph nodes Reprint Icon - (Peer Reviewed Journal)
Wottlin, L.R., Edrington, T.S., Brown, T.R., Zook, C.A., Sulakvelidze, A., Droleskey, R.E., Genovese, K.J., Nisbet, D.J. 2022. Evaluation of a preharvest bacteriophage therapy for control of Salmonella within bovine peripheral lymph nodes. Journal of Food Protection. 85(2):254-260. https://doi.org/10.4315/jfp-21-292.
Controlling the colonization of Clostridium perfringens in broiler chickens by an electron-beam-killed vaccine Reprint Icon - (Peer Reviewed Journal)
Jesudhasan, P., Bhatia, S.S., Sivakumar, K.K., Praveen, C., Genovese, K.J., He, L.H., Droleskey, R.E., McReynolds, J.L., Byrd II, J.A., Swaggerty, C.L., Kogut, M.H., Nisbet, D.J., Pillai, S.S. 2021. Controlling the colonization of Clostridium perfringens in broiler chickens by an electron-beam-killed vaccine. Animals. 11(3). Article 671. https://doi.org/10.3390/ani11030671.
Assessment of microbiological correlates and immunostimulatory potential of electron beam inactivated metabolically active yet non culturable (MAyNC) Salmonella Typhimurium Reprint Icon - (Peer Reviewed Journal)
Praveen, C., Bhatia, S.S., Alaniz, R.C., Droleskey, R.E., Cohen, N.D., Jesudhasan, P., Pillai, S.D. 2021. Assessment of microbiological correlates and immunostimulatory potential of electron beam inactivated metabolically active yet non culturable (MAyNC) Salmonella Typhimurium. PLoS ONE. 16(4). Article e0243417. https://doi.org/10.1371/journal.pone.0243417.
Disinfectant and antimicrobial susceptibility profiles of Campylobacter coli isolated in 1998 to 1999 and 2015 from swine and commercial pork chops Reprint Icon - (Peer Reviewed Journal)
Beier, R.C., Harvey, R.B., Hernandez Jr., C.A., Andrews, K., Droleskey, R.E., Hume, M.E., Davidson, M.K., Bodeis-Jones, S., Young, S., Anderson, R.C., Nisbet, D.J. 2019. Disinfectant and antimicrobial susceptibility profiles of Campylobacter coli isolated in 1998 to 1999 and 2015 from swine and commercial pork chops. Journal of Food Science. 84(6):1501-1512. https://doi.org/10.1111/1750-3841.14622.
Interactions of organic acids with Campylobacter coli from swine Reprint Icon - (Peer Reviewed Journal)
Beier, R.C., Harvey, R.B., Hernandez Jr, C.A., Hume, M.E., Andrews, K., Droleskey, R.E., Davidson, M.K., Bodeis-Jones, S., Young, S., Duke, S.E., Anderson, R.C., Crippen, T.L., Poole, T.L., Nisbet, D.J. 2018. Interactions of organic acids with Campylobacter coli from swine. PLoS One. 13(8):e0202100. https://doi.org/10.1371/journal.pone.0202100.
Morphometrics of the Southern Green Stink Bug [Nezara viridula (L.) (Hemiptera: Pentatomidae)] Stylet Bundle Reprint Icon - (Peer Reviewed Journal)
Esquivel, J.F., Droleskey, R.E., Ward, L., Harvey, R.B. 2018. Morphometrics of the southern green stink bug [Nezara viridula (L.) (Hemiptera: Pentatomidae)] stylet bundle. Neotropical Entomology. doi:10.1007/s13744-018-0603-x.
A pictorial illustration of the inhibition of mycelial growth and spore germination of various sorghum fungal pathogens by a Bacillus species - (Peer Reviewed Journal)
Prom, L.K., Medrano, E.G., Isakeit, T., Jacobsen, R., Droleskey, R.E. 2017. A pictorial illustration of the inhibition of mycelial growth and spore germination of various sorghum fungal pathogens by a Bacillus species. Research Journal of Plant Pathology. 1(1):002.
Aggressiveness of loose kernel smut isolate from Johnson grass on sorghum line BTx643 - (Peer Reviewed Journal)
Prom, L.K., Magill, C., Droleskey, R.E. 2017. Aggressiveness of loose kernel smut isolate from Johnson grass on sorghum line BTx643. Journal of Agriculture and Crops. 3(11):94-96.
The prevalence of Salmonella from cheek meat and head trim in a pork processing plant in the United States - (Abstract Only)
Excised leaf method for high volume evaluation of sorghum germplasm for resistance against Colletotrichum sublineolum - (Peer Reviewed Journal)
Prom, L.K., Cuevas, H.E., Isakeit, T., Droleskey, R.E. 2015. Excised leaf method for high volume evaluation of sorghum germplasm for resistance against Colletotrichum sublineolum. Plant Pathology. 15(1):11-16.
A black color morph of adult Nezara viridula (L.) - (Peer Reviewed Journal)
Esquivel, J.F., Brown, V.A., Harvey, R.B., Droleskey, R.E. 2015. A black color morph of adult Nezara viridula (L.). Southwestern Entomologist. 40(3):649-652.
Electron-beam-inactivated vaccine against Salmonella enteritidis colonization in molting hens Reprint Icon - (Peer Reviewed Journal)
Jesudhasan, P.R., McReynolds, J.L., Byrd II, J.A., He, L.H., Genovese, K.J., Droleskey, R.E., Swaggerty, C.L., Kogut, M.H., Duke, S.E., Nisbet, D.J., Praveen, C., Pillai, S.D. 2015. Electron beam inactivated vaccine against Salmonella enteritidis colonization in molting hens. Avian Diseases. 59:165-170.
A visual guide to identification of Euschistus spp. (Hemiptera: Pentatomidae) in central Texas - (Peer Reviewed Journal)
Esquivel, J.F., Anderson, R.M., Droleskey, R.E. 2009. A visual guide to identification of Euschistus spp. (Hemiptera: Pentatomidae) in central Texas. Southwestern Entomologist. 34:485-488.
The acquisition and internal carriage of Salmonella by lesser mealworm beetles, Alphitobius diaperinus (Coleoptera: Tenebrionidae) - (Peer Reviewed Journal)
Crippen, T.L., Sheffield, C.L., Esquivel, S.V., Droleskey, R.E., Esquivel, J.F. 2009. The acquisition and internal carriage of Salmonella by lesser mealworm, Alphitobius diaperinus (Coleoptera: Tenebrionidae). Vector-Borne Zoonotic Diseases. 9:65-72.
In vitro cultivation of a newly recognized Babesia sp. in dogs in North Carolina - (Peer Reviewed Journal)
Lehtinen, L.E., Birkenheuer, A.J., Droleskey, R.E., Holman, P.J. 2008. In vitro cultivation of a newly recognized Babesia sp. in dogs in North Carolina. Veterinary Parasitology. 151:150-157.
Interaction of Bifidobacterium animalis subspecies lactis (Bb 12) and Salmonella typhimurium in continuous-flow chemostatic culture - (Proceedings)
Harvey, R.B., Genovese, K.J., Droleskey, R.E., Andrews, K., Solano Aguilar, G. 2007. Interaction of Bifidobacterium animalis subspecies lactis (Bb 12) and Salmonella typhimurium in continuous-flow chemostatic culture. In: Proceedings of the 7th International Safepork Symposium, May 9-11, 2007, Verona, Italy. p. 291-294.
Interaction of Bifidobacterium animalis subspecies lactis (Bb12) and Salmonella typhimurium in continuous-flow chemostatic culture - (Proceedings)
Harvey, R.B., Genovese, K.J., Droleskey, R.E., Andrews, K., Solano Aguilar, G. 2007. Interaction of Bifidobacterium animalis subspecies lactis (Bb12) and Salmonella typhimurium in continuous-flow chemostatic culture. In: Proceedings of 7th International Safepork Symposium, May 9-11, 2007, Verona, Italy. p. 291-294.
TRANSMISSION ELECTRON MICROSCOPY - (Book / Chapter)
Burghardt, R.C., Droleskey, R.E. 2006. Transmission electron microscopy. In: Coico, R., Kowalik, T., Quarles, J., Stevenson, B., Taylor, R., editors. Current Protocols in Microbiology. Hoboken, NJ: John Wiley and Sons, Inc. p. 2B.1.1-2B.1.39.
ENTERAL FEEDING, COMPARED TO PARENTERAL FEEDING, ENHANCES BACTERIAL GUT COLONIZATION IN NEONATAL PIGS - (Abstract Only)
Harvey, R.B., Andrews, K., Droleskey, R.E., Kansagra, K.V., Stoll, B., Burrin, D.G., Callaway, T.R., Anderson, R.C., Nisbet, D.J. 2006. Enteral feeding, compared to parenteral feeding, enhances bacterial gut colonization in neonatal pigs [abstract]. Reproduction Nutrition Development. 46(Suppl. 1):S17.
QUALITATIVE AND QUANTITATIVE COMPARISON OF BACTERIAL COLONIZATION OF THE NEONATAL PIG GUT AS INFLUENCED BY ENTERAL VERSUS TOTAL PARENTERAL FEEDING - (Peer Reviewed Journal)
Harvey, R.B., Andrews, K., Droleskey, R.E., Kansagra, K.V., Stoll, B., Burrin, D.G., Sheffield, C.L., Anderson, R.C., Nisbet, D.J. 2006. Qualitative and quantitative comparison of gut bacterial colonization in enterally and parenterally fed neonatal pigs. Current Issues in Intestinal Microbiology. 7:61-64.
IN VITRO CULTIVATION OF A ZOONOTIC BABESIA SP. ISOLATED FROM EASTERN COTTONTAIL RABBITS (SYLVILAGUS FLORIDANUS) ON NANTUCKET ISLAND, MASSACHUSETTS - (Peer Reviewed Journal)
Holman, P.J., Spencer, A.M., Droleskey, R.E., Goethert, H.K., Telford III, S.R. 2005. In vitro cultivation of a zoonotic Babesia sp. isolated from eastern cottontail rabbits (Sylvilagus floridanus) on Nantucket Island, Massachusetts. Journal of Clinical Microbiology. 43:3995-4001.
PHENOTYPIC AND GENOTYPIC COMPARISONS OF CAMPYLOBACTER ISOLATED FROM U.S. DAIRY COWS - (Peer Reviewed Journal)
Harvey, R.B., Hume, M.E., Droleskey, R.E., Edrington, T.S., Sheffield, C.L., Callaway, T.R., Ziprin, R.L., Scott, H.M., Anderson, R.C., Nisbet, D.J. 2005. Further characterization of Campylobacter isolated from U.S. dairy cows. Foodborne Pathogens and Disease. 2:182-187.
AN ATYPICAL CAMPYLOBACTER COLI EXHIBITING UNUSUAL MORPHOLOGY - (Peer Reviewed Journal)
Ziprin, R.L., Hume, M.E., Andrews, K., Droleskey, R.E., Harvey, R.B., Sheffield, C.L. 2005. An atypical Campylobacter coli exhibiting unusual morphology. Current Microbiology. 51:1-4.
CAMPYLOBACTER PREVALENCE IN LACTATING DAIRY COWS - (Peer Reviewed Journal)
Harvey, R.B., Droleskey, R.E., Sheffield, C.L., Edrington, T.S., Callaway, T.R., Anderson, R.C., Drinnon, D.L., Ziprin, R.L., Nisbet, D.J. 2004. Campylobacter prevalence in lactating dairy cows. Journal of Food Protection. 67:1476-1479.
RIBOPRINTER CHARACTERIZATION AND ANTIBIOTIC SENSITIVITY PROFILES OF CAMPYLOBACTER COLI ISOLATES FROM SWINE - (Proceedings)
Sheffield, C.L., Hume, M.E., Droleskey, R.E., Harvey, R.B., Bischoff, K.M. 2003. Riboprinter characterization and antibiotic sensitivity profiles of Campylobacter coli isolates from swine. Proceedings of International Symposium on Digestive Physiology in Pigs. 2:108-110.
FAILURE OF VIABLE NONCULTURABLE CAMPYLOBACTER JEJUNI TO COLONIZE THE CECUM OF NEWLY HATCHED LEGHORN CHICKS - (Peer Reviewed Journal)
Ziprin, R.L., Droleskey, R.E., Hume, M.E., Harvey, R.B. 2003. Failure of viable nonculturable Campylobacter jejuni to colonize the cecum of newly hatched leghorn chicks. Avian Diseases. 47:753-758.
PLASMA-ETCH CLEANING OF CONTAMINATED STRIP APERTURES: A PRELIMINARY REPORT - (Abstract Only)
RIBOTYPE CHARACTERIZATION AND ANTIMICROBIAL SUSCEPTIBILITY PROFILES OF CAMPYLOBACTER COLI ISOLATES FROM SWINE - (Peer Reviewed Journal)
SHEFFIELD, C.L., HUME, M.E., DROLESKEY, R.E., HARVEY, R.B., BISCHOFF, K.M. RIBOTYPE CHARACTERIZATION AND ANTIMICROBIAL SUSCEPTIBILITY PROFILES OF CAMPYLOBACTER COLI ISOLATES FROM SWINE. Online Journal of Veterinary Research. 2003. v. 7. p. 52-58.
CLOSTRIDIUM DIFFICILE PREVALENCE IN THE NEONATAL PIG GUT IS INCREASED BY PARENTERAL FEEDING VERSUS ENTERAL FEEDING - (Book / Chapter)
Harvey, R.B., Andrews, K., Droleskey, R.E., Kansagra, K.V., Stoll, B., Burrin, D.G., Genovese, K.J., Edrington, T.S., Anderson, R.C., Nisbet, D.J. 2003. Clostridium difficile prevalence in the neonatal pig gut is increased by parenteral feeding versus enteral feeding. Proceedings of 9th International Symposium on Digestive Physiology in Pigs. II:111-113.
THE USE OF FLOW CYTOMETRY TO DETECT EXPRESSION OF SUBUNITS ENCODED BY 11 SALMONELLA ENTERICA SEROTYPE TYPHIMURIUM FIMBRIAL OPERONA - (Peer Reviewed Journal)
Humphries, A.D., Raffatellu, M., Winter, S., Kingsley, R.A., Droleskey, R.E., Zhang, S., Figueiredo, J., Khare, S., Nunes, J., Adams, L.G. 2003. The use of flow cytometry to detect expression of subunits encoded by 11 Salmonella enterica serotype typhimurium fimbrial operona. Molecular Microbiology. 48:1357-1376.
CLOSTRIDIUM DIFFICILE PREVALENCE IN THE NEONATAL PIG GUT IS REDUCED BY ENTERAL FEEDING VERSUS PARENTERAL FEEDING - (Abstract Only)
CHARACTERIZATION OF STCABCD, A PUTATIVE SALMONELLA ENTERICA SEROVAR TYPHIMURIUM FIMBRIAL OPERON - (Abstract Only)
CAMPYLOBACTER PREVALENCE IN LACATATING DAIRY COWS - (Abstract Only)
BACTERIAL COLONIZATION OF THE NEONATAL PIG GUT IS ALTERED BY ENTERAL VERSUS PARENTERAL FEEDING - (Abstract Only)
SWAINSONINE COMPOUNDS AS INHIBITORS OF TOXIN RECEPTOR EXPRESSION - (Patent Application)
Anderson, R.C., Droleskey, R.E., Nisbet, D.J. 2003. Swainsonine compounds as inhibitors of toxin receptor expression. U.S. Patent 6,670,374B1.
PROBIOTICS AND THEIR USE IN FOOD ANIMAL PRODUCTION: A NOVEL EXPLANATION FOR ANTIBACTERIAL PROPERTIES - (Abstract Only)
BACTERIOLYTIC ACTIVITY FROM A CONTINUOUS FLOW CULTURE CHEMOSTAT CONTAINED WITHIN CONCENTRATED 0.22UM FILTERED CHEMOSTAT CONTENTS - (Abstract Only)
IN VITRO INHIBITION OF SALMONELLA ENTERICA SEROVARS CHOLERAESUIS AND TYPHIMURIUM, ESCHERICHIA COLI F18, AND ESCHERICHIA COLI O157:H7 BY A RECOMBINED PORCINE CONTINUOUS-FLOW COMPETITIVE EXCLUSION CULTURE - (Peer Reviewed Journal)
CAMPYLOBACTER COLI PULSED FIELD GEL ELECTROPHORESIS GENOTYPIC DIVERSITY AMONG SOWS AND PIGLETS IN A FARROWING BARN - (Peer Reviewed Journal)
MODULATION OF ESCHERICHIA COLI SHIGA TOXIN ACTIVITY ON VERO CELLS BY THE USE OF THE SECONDARY PLANT COMPOUND SWAINSONINE - (Abstract Only)
MULTIPLE CAMPYLOBACTER COLI GENOTYPES FROM PIGS IN A FARROW-TO-FINISH SWINEOPERATION - (Abstract Only)
PREVALENCE OF ANTIMICROBIAL RESISTANCE IN SALMONELLAE ISOLATED FROM MARKET-AGE SWINE - (Peer Reviewed Journal)
MODULATION OF ESCHERICHIA COLI SHIGA TOXIN ACTIVITY ON VERO CELLS BY THE USE OF THE SECONDARY PLANT COMPOUND SWAINSONINE - (Book / Chapter)
Droleskey, R.E., Anderson, R.C., Callaway, T.R., Anderson, T.J., Bischoff, K.M., Sheffield, C.L., Harvey, R.B., Nisbet, D.J. 2003. Modulation of Escherichia coli shiga toxin activity on vero cells by the use of the secondary plant compound swainsonine. In: Acamovic, T., Stewart, C.S., Pennycott, T.W., editors. Poisonous Plants and Related Toxins. Cambridge, MA: CABI Publishing. p. 198-203.
GENOTYPIC VARIATION AMONG ARCOBACTER ISOLATES FROM A FARROW-TO-FINISH SWINEFACILITY - (Peer Reviewed Journal)
EFFECTS OF FEED WITHDRAWAL AND FEED MODIFICATION ON CECAL ENVIRONMENT AND CAMPYLOBACTER CONCENTRATIONS IN A SWINE SURGICAL MODEL - (Peer Reviewed Journal)
DININUTION OF CAMPYLOBACTER COLONIZATION IN NEONATAL PIGS REARED IN SPECIALIZED NURSERIES - (Peer Reviewed Journal)
EVALUATION OF TWO COMMERCIALLY AVAILABLE ELISA KITS FOR DETECTION OF SALMONELLAE IN SWINE LYMPH NODES AND CECAL AND FECAL CONTENTS - (Proceedings)
COMPARISON OF INITIAL ENRICHMENT ON THE RECOVERY OF SALMONELLAE FROM SWINE LYMPH NODES AND CECAL CONTENTS AT SLAUGHTER - (Proceedings)
EVALUATION OF COMMERCIALLY AVAILABLE ELISA TEST KITS FOR DETECTION OF SALMONELLA IN PIGS AT SLAUGHTER - (Proceedings)
INFLUENCE OF PRE-ENRICHMENT ON THE RECOVERY OF SALMONELLAE FROM SWINE LYMPHNODES AND CECAL CONTENTS AT SLAUGHTER - (Peer Reviewed Journal)
DETERMINATION OF MINIMUM INHIBITORY CONCENTRATIONS OF STREPTOMYCIN FOR RESISTANT SALMONELLA ISOLATES AND EVALUATION OF A MICRO-BROTH DILUTION SYSTEM - (Proceedings)
ENHANCED SURVIVABILITY OF VERY YOUNG NURSERY REARED PIGLETS TREATED WITH A PORCINE DERIVED COMPETITIVE EXCLUSION CULTURE - (Proceedings)
DIFFERENTIAL EXPRESSION OF ADHESION MOLECULES BY CHICKEN HETEROPHILS ACTIVATED IN VIVO WITH SALMONELLA ENTERITIDIS-IMMUNE LYMPHOKINES - (Peer Reviewed Journal)
THE USE OF SEMI-THICK SECTIONS TO EVALUATE THE ASSOCIATION BETWEEN A SPECIES OF THEILERIA AND THE ERYTHROCYTE MEMBRANE - (Abstract Only)
IN VITRO REPRODUCTION OF BABESIA ISOLATES FROM NORTH AMERICAN WILD RUMINANTS - (Proceedings)
ACTIVATION OF ISOLATED HETEROPHILS FROM CHICKS STIMULATED IN VIVO WITH SALMONELLA ENTERITIDIS-IMMUNE LYMPHOKINES - (Abstract Only)
EMBEDDING TISSUES WITH EPOXY RESIN: THE A/E RATIO, FACT OR FICTION - (Abstract Only)
PROTECTIVE EFFECTS OF SUPERNATANTS FROM VIRALLY TRANSFORMED SPLEEN CELLS FROM SALMONELLA ENTERITIDIS HYPERIMMUNIZED CHICKENS - (Abstract Only)