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United States Department of Agriculture

Agricultural Research Service

Related Topics

BEATRIZ QUIÑONES
Produce Safety and Microbiology Research
Research Molecular Biologist

Phone: (510) 559-6097
Fax: (510) 559-6162
Room WAB 214
USDA, ARS, PWA, WRRC-PSM
800 BUCHANAN STREET
ALBANY, CA, 94710

Projects
Molecular Biology of Human Pathogens Associated with Food
Appropriated (D)
  Accession Number: 421039
To Control Viral Food Borne Disease
Reimbursable (R)
  Accession Number: 421934

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Top-down proteomic identification of Shiga toxin 2 subtypes from Shiga toxin-producing Escherichia coli by Matrix-Assisted Laser Desorption Ionization-Tandem Time of Flight mass spectrometry - (Peer Reviewed Journal)
Fagerquist, C.K., Zaragoza, W.J., Sultan, O., Woo, N., Quinones, B., Cooley, M.B., Mandrell, R.E. 2014. Top-down proteomic identification of Shiga toxin 2 subtypes from Shiga toxin-producing Escherichia coli by Matrix-Assisted Laser Desorption Ionization-Tandem Time of Flight mass spectrometry. Applied and Environmental Microbiology. 8(9):2928-2940.
Low-density microarray technologies for rapid human norovirus genotyping - (Abstract Only) - (21-Feb-14)
Antimicrobial resistance in Escherichia coli O157 and non-O157 isolated from feces of domestic farm animals in Culiacan, Mexico - (Abstract Only) - (21-Feb-14)
Prevalence of Shiga toxin producing Escherichia coli, Salmonella enterica and Listeria monocytogenes at public access watershed sites in a California central coast agricultural region - (Peer Reviewed Journal)
Cooley, M.B., Quinones, B., Oryang, D., Mandrell, R.E., Gorski, L.A. 2014. Prevalence of Shiga toxin producing Escherichia coli, Salmonella enterica and Listeria monocytogenes at public access watershed sites in a California central coast agricultural region. Frontiers in Cellular and Infection Microbiology. 4:30.
Characterization of shiga toxin-producing Escherichia coli recovered from domestic animals to determine stx variants, virulence genes, and cytotoxicity in mammalian cells Reprint Icon - (Peer Reviewed Journal)
Amezquita-Lopez, B.A., Quinones, B., Lee, B.G., Chaiez, C. 2014. Characterization of shiga toxin-producing Escherichia coli recovered from domestic animals to determine stx variants, virulence genes, and cytotoxicity in mammalian cells. Frontiers in Cellular and Infection Microbiology. doi: 10.3389/fcimb.2014.00007.
Career opportunities for college graduates with the Agricultural Research Service Agency of the U.S. Department of Agriculture - (Abstract Only) - (02-Jan-14)
Use of Low-Density DNA Microarrays and Photopolymerization for Genotyping Foodborne-Associated Noroviruses - (Abstract Only) - (16-Oct-13)
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 - (Peer Reviewed Journal)
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.
Detection of Shiga toxin variants, virulence genes and the relationship to cytotoxicity in Shiga toxin-producing Escherichia coli (STEC) from domestic farm animals - (Abstract Only) - (26-Mar-13)
Quantification and characterization of mucosa-associated and intracellular Escherichia coli in inflamatory bowel disease Reprint Icon - (Peer Reviewed Journal)
Elliott, T.R., Hudspith, B.N., Wu, G., Cooley, M.B., Parkes, G., Quinones, B., Randall, L., Mandrell, R.E., Fagerquist, C.K., Brostoff, J., Rayment, N.B., Boussioutas, A., Petrovska, L., Sanderson, J.D. 2013. Quantification and characterization of mucosa-associated and intracellular Escherichia coli in inflamatory bowel disease . Inflammatory Bowel Diseases. 19:11:2326-2338.
Low-Density microarray technologies for rapid human norovirus genotyping - (Abstract Only) - (06-Mar-13)
Genotypic analyses of Shiga toxin-producing Escherichia coli O157 and non-O157 recovered from feces of domestic animals in rural farms in Mexico - (Peer Reviewed Journal)
Amezquita-Lopez, B.A., Quinones, B., Cooley, M.B., Leon-Felix, J., Castro-Del Campo, N., Mandrell, R.E., Jimenez, M., Chaidez, C. 2012. Genotypic analyses of Shiga toxin-producing Escherichia coli O157 and non-O157 recovered from feces of domestic animals in rural farms in Mexico. PLoS One. 7(12):e51565. doi:101371/journal.pone.0051565.
Evidence of norovirus (NV)in a major produce production region watershed and a low density microarray strategy for detecting NV(Abstract) - (Abstract Only) - (25-Oct-12)
Shiga toxin-producing Escherichia coli: importance, outbreaks, and characterization methods - (Proceedings) - (06-Oct-12)
Microarrays for foodborne virus detection and typing(Abstract) - (Abstract Only) - (25-Sep-12)
A single-step purification and molecular characterization of functional Shiga toxin 2 variants from pathogenic Escherichia coli - (Peer Reviewed Journal)
He, X., Quinones, B., Mcmahon, S.A., Mandrell, R.E. 2012. A single-step purification and molecular characterization of functional Shiga toxin 2 variants from pathogenic Escherichia coli. Toxins. 4(7):487-504. doi:10.3390/toxins4070487
O-antigen and virulence profiling of Shiga toxin-producing Escherichia coli by a rapid and cost-effective DNA microarray colorimetric method Reprint Icon - (Peer Reviewed Journal)
Quinones, B., Swimley, M.S., Narm, K., Patel, R.N., Cooley, M.B., Mandrell, R.E. 2012. O-antigen and virulence profiling of Shiga toxin-producing Escherichia coli by a rapid and cost-effective DNA microarray colorimetric method. Frontiers in Cellular and Infection Microbiology. 10.3389/fcimb.2012.00061/full.
Distinct PFGE and MLVA Genotypes of Shiga Toxin-Producing Escherichia coli (STEC)Recovered from Feces of Farm Animals in the Culiacan Valley, Mexico(Abstract) - (Abstract Only) - (23-Mar-12)
Selective recovery by different culture methods of Shiga toxin-producing Escherichia coli genotypes from a major produce production region in California(Abstract) - (Abstract Only) - (22-Mar-12)
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 - (Peer Reviewed Journal)
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.
Sensitive detection of Shiga toxin 2 and some of its Stx 2 variants in environmental samples by a novel immuno-PCR assay - (Peer Reviewed Journal)
He, X., Qi, W., Quinones, B., Mcmahon, S.A., Cooley, M.B., Mandrell, R.E. 2011. Sensitive detection of Shiga toxin 2 and some of its Stx 2 variants in environmental samples by a novel immuno-PCR assay. Applied and Environmental Microbiology. 77(1):3558-3564. doi:10.1128/AEM.02205-10.
Molecular approachs for produce safety in California - (Proceedings)
Quinones, B. 2011. Molecular approachs for produce safety in California. Meeting Abstract. 1:80-95.
Use of Photopolymerization for Genotyping Shiga Toxin-Producing Escherichia coli Recovered from Produce Production Regions in California - (Abstract Only) - (28-Feb-11)
Genotypic Characterization of Shiga Toxin-Producing Escherichia coli (STEC) Strains Recovered from Farm Animal Feces in Mexico - (Abstract Only) - (28-Feb-11)
Identification of Escherichia coli O157 by Using a Novel Colorimetric Detection Method with DNA Microarrays Reprint Icon - (Peer Reviewed Journal)
Quinones, B., Swimley, M.S., Taylor, A.W., Dawson, E.D. 2011. Identification of Escherichia coli O157 by Using a Novel Colorimetric Detection Method with DNA Microarrays. Foodborne Pathogens and Disease. 8(6):705-7011.
Characterization of tetracycline resistance in Salmonella enterica strains recovered from irrigation water in the Culiacan Valley, Mexico - (Peer Reviewed Journal)
Lugo-Melchor, Y., Quinones, B., Amezquita-Lopez, B.A., Leon-Felix, J., Garcia-Estrada, R., Chaidez, C. 2010. Characterization of tetracycline resistance in Salmonella enterica strains recovered from irrigation water in the Culiacan Valley, Mexico. Microbial Drug Resistance. 6(3):185-190.
Comparative genotypes of Salmonella enterica serovar Enteritidis Phage type 30 and 9c strains isolated from three outbreaks associated with raw almonds - (Peer Reviewed Journal)
Parker, C., Huynh, S., Quinones, B., Harris, L., Mandrell,2010 R.E. Comparative genotypes of Salmonella enterica serovar Enteritidis Phage type 30 and 9c strains isolated from three outbreaks associated with raw almonds. Applied and Environmental Microbiology. 76: 3723-3731
Use of photopolymerization for the rapid and cost-effective identification of Shiga toxin-producing Escherichia coli on DNA microarrays - (Abstract Only) - (04-Mar-10)
Automatic image analysis and spot classification for detection of pathogenic Escherichia coli on glass slide DNA microarrays - (Peer Reviewed Journal)
Haff, R.P., Quinones, B., Swimley, M.S., Toyofuku, N. 2010. Automatic image analysis and spot classification for detection of pathogenic Escherichia coli on glass slide DNA microarrays. Computers and Electronics in Agriculture. 71(2):163-169.
A Vero Cell Based Fluorescence Assay to Assess Relative Toxicities of Shiga Toxin 2 Subtypes from Escherichia coli Reprint Icon - (Peer Reviewed Journal)
Quinones, B., Swimley, M.S. 2011. A Vero Cell Based Fluorescence Assay to Assess Relative Toxicities of Shiga Toxin 2 Subtypes from Escherichia coli. Methods in Molecular Biology. 739(1): 61-71.
A Cell-Based Fluorescent Assay to Detect the Activity of Shiga Toxin and Other Toxins That Inhibit Protein Synthesis Reprint Icon - (Peer Reviewed Journal)
Masey, C.S., Quinones, B., Teter, K. 2011. A Cell-Based Fluorescent Assay to Detect the Activity of Shiga Toxin and Other Toxins That Inhibit Protein Synthesis. Methods in Molecular Biology. 739(1):49-59.
Validation of a Cell-Free Translation Assay for Detecting Shiga Toxin 2 in Bacterial Culture - (Peer Reviewed Journal)
He, X., Quinones, B., Carter, J.M., Mandrell, R.E. 2009. Validation of a Cell-Free Translation Assay for Detecting Shiga Toxin 2 in Bacterial Culture. Journal of Agriculture and Food Chemistry. 57(11):5084-5088
Genotyping Campylobacter jejuni by comparative genome indexing: an evaluation with pulsed-field gel electrophoresis and flaA SVR sequencing - (Peer Reviewed Journal)
Pittenger, L.G., Englen, M.D., Parker, C., Frye, J.G., Quinones, B., Horn, S.T., Son, I., Cray, P.J., Harrison, M.A. 2009. Genotyping Campylobacter jejuni by comparative genome indexing: an evaluation with pulsed-field gel electrophoresis and flaA SVR sequencing. Foodborne Pathogens and Disease. 6(3):337-349.
A Novel Cell-Based Method to Detect Shiga Toxin 2 from Escherichia coli O157:H7 and Inhibitors of Toxin Activity Reprint Icon - (Peer Reviewed Journal)
Quinones, B., Masey, S., Friedman, M., Swimley, M.S, Teter, K. 2009. A Novel Cell-Based Method to Detect Shiga Toxin 2 from Escherichia coli O157:H7 and Inhibitors of Toxin Activity. Applied and Environmental Microbiology. 75(5):1410-1416.
Autoinducer-2 production in Campylobacter jejuni contributes to chicken colonization Reprint Icon - (Peer Reviewed Journal)
Quinones, B., Miller, W.G., Bates, A.H., Mandrell, R.E. 2009. Autoinducer-2 production in Campylobacter jejuni contributes to chicken colonization. Applied and Environmental Microbiology. 75/1:281-285
Identification of plant compounds that inactivate Shiga toxin from Escherichia coli O157:H7 - (Proceedings) - (31-Jul-08)
Comparative genomic analysis of clinical strains of Campylobacter jejuni from South Africa - (Peer Reviewed Journal)
Quinones, B., Guilhabert, M.R., Miller, W.G., Mandrell, R.E., Lastovica, A.J., Parker, C. 2008. Comparative genomic analysis of clinical strains of Campylobacter jejuni from South Africa. PLoS One. 3(4)e2015_1-e2015_10
Ai-2 Signaling in Campylobacter Jejuni and Its Contribution to Chicken Colonization - (Proceedings) - (15-Aug-07)
Detection and Genotyping of Arcobacter and Campylobacter Isolates from Retail Chicken Samples by Use of DNA Oligonucleotide Arrays - (Peer Reviewed Journal)
Quinones, B., Parker, C., Janda Jr, J.M., Miller, W.G., Mandrell, R.E. 2007. Detection and Genotyping of Arcobacter and Campylobacter Isolates from Retail Chicken Samples by Use of DNA Oligonucleotide Arrays. Applied and Environmental Microbiology. 73(11)3645-3655
Characterization of Genetically-Matched Isolates of Campylobacter Jejuni Reveals Mutations in Genes Involved in Flagellar Biosynthesis Alter the Organism's Virulence Potential - (Peer Reviewed Journal)
Malik-Kale, P., Rapheal, B., Parker, C., Joens, L., Klena, J., Quinones, B., Keech, A., Konkel, M. 2007. Characterization of genetically-matched isolates of campylobacter jejuni reveals mutations in genes involved in flagellar biosynthesis alter the organism's virulence potential. Applied and Environmental Microbiology. 73(10) 3123-3136
Comparative Genomic Analysis of Campylobacter Jejuni Strains Reveals Diversity Due to Genomic Elements Similar to Those Present in C. Jejuni Strain Rm1221 - (Peer Reviewed Journal)
Parker, C., Quinones, B., Miller, W.G., Horn, S.T., Mandrell, R.E. 2006. Comparative genomic analysis of Campylobacter jejuni strains reveals diversity due to genomic elements similar to those present in C. jejuni strain RM1221. Journal of Clinical Microbiology.44:11:4125-4135
Last Modified: 9/10/2014
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