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United States Department of Agriculture

Agricultural Research Service

Related Topics

Samarpita Walker
Foodborne Toxin Detection and Prevention Research
Biological Science Technician

Phone: (510) 559-5837
Fax: (510) 559-6162

USDA, ARS, PWA, WRRC-FTDP
800 BUCHANAN STREET
ALBANY , CA 94710

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
The majority of genotypes of the virulence gene inlA are intact among natural watershed isolates of Listeria monocytogenes from the central california coast -
Gorski, L.A., Parker, C., Liang, A.S., Walker, S., Romanola, K. 2016. The majority of genotypes of the virulence gene inlA are intact among natural watershed isolates of Listeria monocytogenes from the central california coast. PLoS One. Volume: 11; Page: e0167566.
High genotypic and phenotypic similarity among Shiga toxin-producing Escherichia coli O111 environmental and outbreak strains Reprint Icon -
Diodati, M.E., Bates, A.H., Cooley, M.B., Walker, S., Mandrell, R., Brandl, M. 2015. High genotype and phenotypic similarity among Shiga toxin-producing Escherichia coli O111 environmental and outbreak strains. Foodborne Pathogens and Disease. 12:235-243.
Comparison of subtypes of Listeria monocytogenes isolates from naturally contaminated watershed samples using a combination of non-selective and selective enrichment methods -
Gorski, L.A., Walker, S., Liang, A.S., Nguyen, K.M., Govoni, J.A., Carychao, D.K., Cooley, M.B., Mandrell, R.E. 2014. Comparison of subtypes of Listeria monocytogenes isolates from naturally contaminated watershed samples using a combination of non-selective and selective enrichment methods. PLoS One. 9(3):e92467. DOI: 10.1371/journal.pone.009246.
Development of a robust methos for isolation of shiga toxin positive Escherichia coli (STEC) from fecal, plant, soil and water samples from leafy greens production region in California -
Cooley, M.B., Jay-Russell, M., Atwill, E.R., Carychao, D.K., Nguyen, K.M., Quinones, B., Patel, R., Walker, S., Swimley, M., Pierre-Jerome, E., Gordus, A., Mandrell, R.E. 2013. Development of a robust methos for isolation of shiga toxin positive Escherichia coli (STEC) from fecal, plant, soil and water samples from leafy greens production region in California. PLoS One. 8(6):e65716. doi:10.1371/journal.pone.0065716.
Diversity of pulsed field gel electrophoresis pulsotypes, serovars and antibiotic resistance among Salmonella isolates from wild amphibians and reptiles in the California central coast -
Gorski, L.A., Jay-Russell, M., Liang, A.S., Walker, S., Bengson, Y., Govoni, J.A., Mandrell, R.E. 2013. Diversity of pulsed field gel electrophoresis pulsotypes, serovars and antibiotic resistance among Salmonella isolates from wild amphibians and reptiles in the California central coast. Foodborne Pathogens and Disease. 10:540-548.
E. coli serotype O55:H7 diversity supports parallel acquisition of bacteriophage at Shiga toxin phage insertion sites during evolution of the O157:H7 lineage Reprint Icon -
Kyle, J.L., Cummings, C.A., Parker, C., Quinones, B., Vatta, P., Newton, E., Huynh, S., Swimley, M.S., Degoricija, L., Barker, M., Fontanoz, S., Nguyen, K.M., Patel, R.N., Fang, R., Tebbs, R., Petrauskene, O., Furtado, M., Mandrell, R.E. 2012. E. coli serotype O55:H7 diversity supports parallel acquisition of bacteriophage at Shiga toxin phage insertion sites during evolution of the O157:H7 lineage. Journal of Bacteriology. 194:1885-1896.
EXTENDED MULTILOCUS SEQUENCE TYPING SYSTEM FOR CAMPYLOBACTER COLI, C. LARI, C. UPSALIENSIS, AND C. HELVETICUS. -
Miller, W.G., On, S., Wang, G., Fontanoz, S., Lastovica, A., Mandrell, R.E. 2005. Extended multilocus sequence typing system for campylobacter coli, c. lari, c. upsaliensis, and c. helveticus. Journal of Clinical Microbiology. 43(5).2315-2329.
Last Modified: 05/21/2017
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