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United States Department of Agriculture

Agricultural Research Service

Related Topics

William Zaragoza
Produce Safety and Microbiology Research
Microbiologist

Phone: (510) 559-5998
Fax: (510) 559-6162
Room 3106

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

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Translational errors in expression of Shiga toxin from pathogenic Escherichia coli as measured by MALDI-TOF-TOF and Orbitrap mass spectrometry -
Fagerquist, C.K., Zaragoza, W.J. 2017. Translational errors in expression of Shiga toxin from pathogenic Escherichia coli as measured by MALDI-TOF-TOF and Orbitrap mass spectrometry. Meeting Proceedings. June 4-8, 2017.
Complementary b/y fragment ion pairs from post-source decay of metastable YahO for calibration of MALDI-TOF-TOF-MS/MS -
Fagerquist, C.K., Zaragoza, W.J. 2017. Complementary b/y fragment ion pairs from post-source decay of metastable YahO for calibration of MALDI-TOF-TOF-MS/MS. International Journal of Mass Spectrometry. 415:29-37.
Shiga toxin-producing escherichia coli: detection, differentiation, and implications for food safety -
Zaragoza, W.J., Teplitski, M., Fagerquist, C.K. 2016. Shiga toxin-producing escherichia coli: detection, differentiation, and implications for food safety. Extension Digital Information Source (EDIS). SL440, pages 1-6.
YahO protein as a calibrant for top-down proteomic identification of Shiga toxin using MALDI-TOF-TOF-MS/MS and post-source decay -
Fagerquist, C.K., Zaragoza, W.J. 2016. YahO protein as a calibrant for top-down proteomic identification of Shiga toxin using MALDI-TOF-TOF-MS/MS and post-source decay. Proceedings of the ASMS Conference on Mass Spectrometry and Allied Topics. 280941 MP 719.
A designed experiments approach to optimizing MALDI-TOF MS spectrum processing parameters enhances detection of antibiotic resistance in Campylobacter jejuni -
Christian, P., Grothendick, B., Zhang, L., Borror, C.M., Barbano, D., Cornelius, A.J., Gilpin, B.J., Fagerquist, C.K., Zaragoza, W.J., Lastovica, A.J., Cauchie, H., Sandrin, T.R. 2016. A designed experiments approach to optimizing MALDI-TOF MS spectrum processing parameters enhances detection of antibiotic resistance in Campylobacter jejuni. Frontiers in Microbiology. doi: 10.3389/fmicb.2016.00818.
Bacteriophage cell lysis of Shiga toxin-producing Escherichia coli for top-down proteomic identification of Shiga toxin 1 & 2 using matrix-assisted laser desorption/ionization tandem time-of-light mass spectrometry -
Fagerquist, C.K., Zaragoza, W.J. 2016. Bacteriophage cell lysis of Shiga toxin-producing Escherichia coli for top-down proteomic identification of Shiga toxin 1 & 2 using matrix-assisted laser desorption/ionization tandem time-of-light mass spectrometry. Rapid Communications in Mass Spectrometry. 30(6):671-680.
Enhanced detection and identification of Shiga toxin 1 and 2 from pathogenic bacteria by MALDI-TOF-TOF-MS/MS-PSD and top-down proteomic analysis -
Fagerquist, C.K., Zaragoza, W.J. 2015. Enhanced detection and identification of Shiga toxin 1 and 2 from pathogenic bacteria by MALDI-TOF-TOF-MS/MS-PSD and top-down proteomic analysis. ASMS201525491.3685VER.1.pdf.
Shiga toxin 2 subtypes of enterohemorrhagic E. coli O157:H- E32511 analyzed by RT-qPCR and top-down proteomics using MALDI-TOF-TOF-MS -
Fagerquist, C.K., Zaragoza, W.J. 2015. Shiga toxin 2 subtypes of enterohemorrhagic E. coli O157:H- E32511 analyzed by RT-qPCR and top-down proteomics using MALDI-TOF-TOF-MS. Journal of American Society for Mass Spectrometry. 5(26):788-799.
Two Shiga toxin 2 subtypes in a single Shiga toxin-producing Escherichia coli analyzed by RT-qPCR, MALDI-TOF-TOF-MS and top-down proteomic analysis -
Fagerquist, C.K., Zaragoza, W.J. 2014. Two Shiga toxin 2 subtypes in a single Shiga toxin-producing Escherichia coli analyzed by RT-qPCR, MALDI-TOF-TOF-MS and top-down proteomic analysis. Symposium Proceedings. Proceedings of the 62nd ASMS Conference on Mass Spectrometry and Applied Topics.ASMS201416869.
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 -
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.
Top-down proteomic identification of Shiga toxin 2 variants from Shiga toxin-producing Escherichia coli (STEC) using MALDI-TOF-TOF-MS/MS-PSD -
Fagerquist, C.K., Zaragoza, W.J., Sultan, O., Woo, N., Quinones, B., Swimley, M.S., Cooley, M.B., Mandrell, R.E. 2013. Top-down proteomic identification of Shiga toxin 2 variants from Shiga toxin-producing Escherichia coli (STEC) using MALDI-TOF-TOF-MS/MS-PSD. ASMS20139833.3125VER.1.pdf.
Last Modified: 09/24/2017
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