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ARS Home » Northeast Area » Beltsville, Maryland (BARC) » Beltsville Agricultural Research Center » Environmental Microbial & Food Safety Laboratory » People & Locations » Cheryl East (Roberts)

Cheryl L East (Roberts)
Environmental Microbial & Food Safety Laboratory
Microbiologist

Phone: (301) 504-8996
Fax: (301) 504-8438
Room 8

10300 BALTIMORE AVENUE
BLDG 201 BARC-EAST
BELTSVILLE , MD 207052350

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Salmonella Newport in soils amended with heat-treated poultry pellets survived longer and more readily transferred to and persisted on spinach -
Survival of Escherichia coli in manure-amended soils is affected by spatiotemporal, agricultural, and weather factors in the Mid-Atlantic United States -
Sharma, M., Millner, P.D., Hashem, F., Vinyard, B.T., East, C.L., Handy, E.T., White, K.E., Stonebraker, R., Cotton, C.P. 2019. Survival of Escherichia coli in manure-amended soils is affected by spatiotemporal, agricultural, and weather factors in the Mid-Atlantic United States. Applied and Environmental Microbiology. https://doi.org/10.1128/AEM.02392-18.
Listeria monocytogenes persistence and transfer to cantaloupes in the packing environment is affected by equipment surface type and cleanliness -
Nyarko, E., Kniel, K.E., Zhou, B., Millner, P.D., Luo, Y., Handy, E.T., East, C.L., Sharma, M. 2018. Listeria monocytogenes persistence and transfer to cantaloupes in the packing environment is affected by equipment surface type and cleanliness. Food Control. 85:177-185.
Prevalence of E. coli, Salmonella spp. and L. monocytogenes in non-traditional irrigation waters in the Mid-Atlantic U.S.: a conserve project -
Practices and conditions which promote persistence of Listeria monocytogenes on equipment surfaces and transfer to cantaloupes in the packing environment -
Generic E. coli levels in surface and nontraditional irrigation water in the mid Atlantic in relation to FSMA water quality standards: A CONSERVE study -
A multi-site, multi-year examination of factors affecting the persistence of attenuated O157- and non-pathogenic Escherichia coli in manure-amended soils in the mid-Atlantic United States -
Survival of Salmonella Newport on whole and fresh-cut cucumbers treated with lytic bacteriophages -
Sharma, M., Dashiell, G., Handy, E.T., East, C.L., Reynnells, R., White, C., Nyarko, E., Hashem, F., Millner, P.D. 2017. Survival of Salmonella Newport on whole and fresh-cut cucumbers treated with lytic bacteriophages. Journal of Food Protection. 80:668-673.
Survival and growth of Listeria monocytogenes on fresh-cut ‘Athena’ and ‘Rocky Ford’ cantaloupes during storage at 4 and 10°C -
Nyarko, E., Kniel, K., Reynnells, R., East, C.L., Handy, E.T., Luo, Y., Millner, P.D., Sharma, M. 2016. Survival and growth of Listeria monocytogenes on fresh-cut ‘Athena’ and ‘Rocky Ford’ cantaloupes during storage at 4 and 10°C. Foodborne Pathogens and Disease. 13:587-591.
Survival and growth of Listeria monocytogenes on whole cantaloupes is dependent on site of contamination and storage temperature Reprint Icon -
Nayarko, E., Kniel, K., Millner, P.D., Luo, Y., Handy, E.T., Reynnells, R., East, C.L., Sharma, M. 2016. Survival and growth of Listeria monocytogenes on whole cantaloupes is dependent on site of contamination and storage temperature. International Journal of Food Microbiology. 234:65-70.
Reduction of Salmonella populations on cucumber fruit by application of lytic bacteriophages -
Evaluation of two immunomagnetic separation techniques for the detection and recovery of E. coli O157:H7 from finished composts Reprint Icon -
Reynnells, R., Callahan, M.L., Handy, E.T., Roberts, C.L., Felton, G., Ingram, D., Millner, P.D., Sharma, M. 2014. Evaluation of two immunomagnetic separation techniques for the detection and recovery of E. coli O157:H7 from finished composts. Journal of Food Analytical Methods. doi: 10.1007/s12161-014-0068-4.
Comparison of U.S. Environmental Protection Agency and U.S. Composting Council... Escherichia coli O157:H7 in finished compost Reprint Icon -
Reynnells, R., Ingram, D., Roberts, C.L., Stonebraker, R.E., Handy, E.T., Felton, G., Vinyard, B.T., Millner, P.D., Sharma, M. 2014. Comparison of U.S. Environmental Protection Agency and U.S. Composting Council Microbial Detection Methods in Finished Compost and Regrowth Potential of Salmonella spp. and Escherichia coli O157:H7 in finished compost. Foodborne Pathogens and Disease. 11:555-567.
Comparative survival of Escherichia coli O157:H7, Salmonella Typhimurium, and Murine Norovirus on spinach plants -
Comparison of microbial methods to detect fecal coliforms, E. coli and Salmonella spp. in finished compost -
Recovery of Escherichia coli O157:H7 by immunomagnetic separation techniques and potential for regrowth in finished composts -
The use of lytic bacteriophages to reduce E. coli O157:H7 on fresh cut lettuce introduced through cross-contamination Reprint Icon -
Ferguson, S.E., Handy, E.T., Roberts, C.L., Sharma, M. 2013. The use of lytic bacteriophages to reduce E. coli O157:H7 on fresh cut lettuce introduced through cross-contamination. Bacteriophage. DOI: 10.4161/bact.24323.
Influence of poultry litter and dairy manure on persistence of non-pathogenic E. coli and E. coli O157:H7 applied to fields -
Jones, K., Hashem, F., Cotton, C., Roberts, C.L., Sharma, M., Millner, P.D. 2012. Influence of poultry litter and dairy manure on persistence of non-pathogenic E. coli and E. coli O157:H7 applied to fields. International Association for Food Protection. [abstract].
The use of zero-valent iron filtration to reduce Escherichia coli and Listeria innocua in irrigation water -
Banerjee, R., Singh, A., Callahan, M.L., Roberts, C.L., Ingram, D.T., Patel, J.R., Hoover, D., Kniel, K., Sharma, M. 2012. The use of zero-valent iron filtration to reduce Escherichia coli and Listeria innocua in irrigation water. [abstract] International Association for Food Protection. P3-32. p.182.
Effectiveness of lytic bacteriophages in reducing E. coli O157:H7 populations introduced through cross-contamination on fresh cut lettuce -
Ferguson, S.E., Roberts, C.L., Sharma, M. 2012. Effectiveness of lytic bacteriophages in reducing E. coli O157:H7 populations introduced through cross-contamination on fresh cut lettuce. Annual Meeting of the Institute of Food Technologists.
Effectiveness of lytic bacteriophages in reducing E. coli O157:H7 populations introduced through cross-contamination on fresh cut lettuce -
Effectiveness of lytic bacteriophages in reducing E. coli O157:H7 populations introduced through cross-contamination on fresh cut lettuce -
Ferguson, S.E., Roberts, C.L., Sharma, M. 2012. Effectiveness of lytic bacteriophages in reducing E. coli O157:H7 populations introduced through cross-contamination on fresh cut lettuce. [abstract].
Persistence of somatic and F-specific coliphages, potential indicators of fecal contamination, on spinach foliar tissue -
Lilly, A., Sapkota, A., Roberts, C.L., Ferguson, S.E., Shelton, D.R., Ingram, D.T., Sharma, M. 2011. Persistence of somatic and F-specific coliphages, potential indicators of fecal contamination, on spinach foliar tissue. [abstract]. BARC Poster Day. .
The use of zero-valent iron and biosand filtration to inactivate Escherichia coli O157:H7 in irrigation water -
Epiphytic survival of Shiga-toxigenic Escherichia coli O145 on baby spinach plants -
Ingram, D.T., Roberts, C.L., Ferguson, S.E., Lakshman, S., Sharma, M. 2011. Epiphytic survival of Shiga-toxigenic Escherichia coli O145 on baby spinach plants. [abstract] International Association for Food Protection Proceedings. P2-78.
Persistence of somatic and F-specific coliphages, potential indicators of fecal contamination, on spinach foliar tissue -
Lilly, A., Sapkota, A., Roberts, C.L., Ferguson, S.E., Shelton, D.R., Ingram, D.T., Sharma, M. 2011. Persistence of somatic and F-specific coliphages, potential indicators of fecal contamination, on spinach foliar tissue. International Association for Food Protection Proceedings. [abstract].
The effect of repeated irrigation with varying total organic carbon content on the persistence of E. coli O157:H7 on baby spinach -
Ingram, D.T., Mudd, C.L., Ferguson, S.E., Sharma, M. 2010. The effect of repeated irrigation with varying total organic carbon content on the persistence of E. coli O157:H7 on baby spinach. BARC Poster Day Abstract Book. p. 21.
The effect of total organic carbon content and repeated irrigation on the persistence of E. coli O157:H7 on baby spinach -
Ingram, D.T., Mudd, C.L., Ferguson, S.E., Hoover, D., Kniel, K.E., Sharma, M. 2010. The effect of total organic carbon content and repeated irrigation on the persistence of E. coli O157:H7 on baby spinach. [abstract]. IAFP Abstracat Book p. 41.
Antibiotic resistance patterns in E. coli and Salmonella isolates recovered from commercially vailable compost -
Ferguson, S.E., Mudd, C.L., Ingram, D.T., Millner, P.D., Sharma, M. 2010. Antibiotic resistance patterns in E. coli and Salmonella isolates recovered from commercially vailable compost. [abstract]. International Association for Food Protection Proceedings. p.91.
Antibiotic resistance patterns in E. coli and Salmonella isolates recovered from commercially available compost -
Ferguson, S.E., Mudd, C.L., Ingram, D.T., Millner, P.D., Sharma, M. 2010. Antibiotic resistance patterns in E. coli and Salmonella isolates recovered from commercially available compost. [abstract]. International Association for Food Protection Annual Meeting. p. 91.
Antibiotic resistance patterns in E. coli and Salmonella isolates recovered from commercially available compost -
Ferguson, S.E., Mudd, C.L., Ingram, D.T., Millner, P.D., Sharma, M. 2010. Antibiotic resistance patterns in E. coli and Salmonella isolates recovered from commercially available compost. BARC Poster Day. p.12.
Comparison of expression of E. coli O157:H7 virulence factors in ground beef and on fresh-cut lettuce -
Sharma, M., Patel, J.R., Nou, X., Ferguson, S.E., Mudd, C.L., Donnenberg, M. 2009. Comparison of expression of E. coli O157:H7 virulence factors in ground beef and on fresh-cut lettuce [abstract]. International Association for Food Protection Program Book. p. 87.
Survival of enterohemorrhagic and avian pathogenic Escherichia coli from spinach plants after overhead irrigation with (currently acceptable) contamination levels -
Ingram, D.T., Mudd, C.L., Ferguson, S.E., Sharma, M., Kniel, K. 2009. Survival of enterohemorrhagic and avian pathogenic Escherichia coli from spinach plants after overhead irrigation with (currently acceptable) contamination levels [abstract]. International Association for Food Protection 2009 Abstract Book. Paper No. P3-09. p. 151.
Effective household disinfection methods of kitchen sponges -
Sharma, M., Mudd, C.L., Eastridge, J.S. 2008. Effective household disinfection methods of kitchen sponges. Food Control. http://dx.doi.org/10.1016/j.foodcont.2008.05.020
Effective disinfection methods of kitchen sponges -
Sharma, M., Eastridge, J.S., Mudd, C.L. 2007. Effective disinfection methods of kitchen sponges [abstract]. Institute of Food Technologists. Control No. 3310.
THE ROLE OF RPOS IN ALKALI TOLERANCE OF ENTEROHEMORRHAGIC E. COLI -
Sharma, M., Bhagwat, A.A., Patel, J.R., Mudd, C.L. 2006. The role of RPOS in alkali tolerance of enterohemorrhagic E. coli [abstract]. BARC Poster Day. Paper No. 34.
EFFECTIVENESS OF BACTERIOPHAGE IN REDUCING ESCHERICHIA COLI O157:H7 ON BEEF STEAKS AND IN GROUND BEEF SLURRIES -
Sharma, M., Patel, J.R., Sulakvelidze, A., Mudd, C.L. 2006. Effectiveness of bacteriophage in reducing Escherichia coli O157:H7 on beef steaks and in ground beef slurries [abstract]. International Association for Food Protection Proceedings. p.130
THE ROLE OF RPOS IN ALKALI TOLERANCE OF ENTEROHEMORRHAGIC E. COLI -
Sharma, M., Bhagwat, A.A., Patel, J.R., Mudd, C.L. 2006. The role of RPOS in alkali tolerance of enterohemorrhagic E. coli [abstract]. Institute of Food Technologists Annual Meeting Book of Abstracts. Paper No. 003A-22. June 24-28, 2006, Orlando, Florida.
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