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United States Department of Agriculture

Agricultural Research Service

Related Topics

Melissa Erickson-Beltran
Produce Safety and Microbiology Research
Biological Science Lab Technician (Microbiology)

Phone: (510) 559-6133
Fax: (510) 559-6429

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


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Detecting and discriminating among Shiga toxins -
Silva, C.J., Erickson-Beltran, M.L., Skinner, C.B., Patfield, S.A., He, X., Wu, V.C. 2016. Detecting and discriminating among Shiga toxins. doi: 10.1021/acs.jafc.6b00379.
Using small molecule reagents to help distinguish among prion structural models -
Silva, C.J., Erickson-Beltran, M.L., Dynin, I.A. 2016. Using small molecule reagents to help distinguish among prion structural models. Prion 10(Supplement 1). p. S37-S38.
Safe, rapid, and sensitive method of quantitating and distinguishing among Shiga toxins in complex media and human serum -
Wu, V.C., Silva, C.J., Erickson-Beltran, M.L., Skinner, C.B., Patfield, S.A., He, X. 2016. Safe, rapid, and sensitive method of quantitating and distinguishing among Shiga toxins in complex media and human serum. ARS Food Safety and Inspection Service Research Workshop. ARS-FSIS.
Covalent surface modification of prions: a mass spectrometry-based means of detecting distinctive structural features of prion strains Reprint Icon -
Silva, C.J., Erickson-Beltran, M.L., Dynin, I.C. 2016. Covalent surface modification of prions: a mass spectrometry-based means of detecting distinctive structural features of prion strains. Biochemistry. 55:894-902.
Mass spectrometry-based method of detecting and distinguishing type 1 and type 2 Shiga-like toxins in human serum Reprint Icon -
Silva, C.J., Erickson-Beltran, M.L., Skinner, C.B., Patfield, S.A., He, X. 2015. Mass spectrometry-based method of detecting and distinguishing type 1 and type 2 Shiga-like toxins in human serum. Toxins. 7:5236-5253.
The chemistry of prions: small molecules, protein conformers and mass spectrometry Reprint Icon -
Silva, C.J., Erickson-Beltran, M.L. 2015. The chemistry of prions: small molecules, protein conformers and mass spectrometry. Meeting Abstract. Prion (Supplement 1) 9: S70.
The view from above: The potential of aerial surveillance in identifying CWD infected herds. Reprint Icon -
Silva, C.J., Erickson-Beltran, M.L. 2015. The view from above: The potential of aerial surveillance in identifying CWD infected herds.. Meeting Abstract. Prion (Supplement 1) 9: S73..
Safe and effective means of detecting and quantitating Shiga-like toxins in attomole amounts Reprint Icon -
Silva, C.J., Erickson-Beltran, M.L., Skinner, C.B., Dynin, I., Hui, C., Patfield, S.A., Carter, J.M., He, X. 2014. Safe and effective means of detecting and quantitating Shiga-like toxins in attomole amounts. Analytical Chemistry. 86(10):4698-4706.
Oxidized methionine is not a prion-specific covalent modification Reprint Icon -
Silva, C.J., Erickson-Beltran, M.L., Dynin, I., Hui, C., Carter, J.M. 2014. Oxidized methionine is not a prion-specific covalent modification. Meeting Abstract. Abstracts of the Papers of the American Chemical Society. 248: 230-BIOL.
Small molecules and antibodies: a means of distinguishing between PrPC and PrPSc Reprint Icon -
Silva, C.J., Erickson-Beltran, M.L., Dynin, I.A. 2014. Small molecules and antibodies: a means of distinguishing between PrPC and PrPSc [abstract]. Meeting Abstract. Current Topics in Biological Chemistry. Paper No. 12.
Using mass spectrometry to detect and discriminate among Shiga-like toxins in the attomole range. Reprint Icon -
Silva, C.J., Erickson-Beltran, M.L., Skinner, C.B., Dynin, I.A., Hui, C., Patfield, S.A., He, X. 2014. Using mass spectrometry to detect and discriminate among Shiga-like toxins in the attomole range [abstract]. Meeting Abstract. Innovations in Mass Spectrometry. Paper No. 355.
Distinguishing between PrPC and PrPSc using small molecule reagents -
Silva, C.J., Erickson-Beltran, M.L., Dynin, I., Carter, J.M. 2013. Distinguishing between PrPC and PrPSc using small molecule reagents. Meeting Abstract. Prion 2013 Banff, Alberta, Canada May 26-29, 2013. jdc..
Distinguishing between PrPC and PrPSc using small molecule reagents(Abstract) -
Silva, C.J., Erickson-Beltran, M.L., Dynin, I.A., Carter, J.M. 2013. Distinguishing between PrPC and PrPSc using small molecule reagents(Abstract). Meeting Abstract. PS 25.
Oxidation of methionine in PrP is dependent upon the oxidant and the amino acid two positions removed(Abstract) Reprint Icon -
Silva, C.J., Dynin, I.A., Erickson-Beltran, M.L., Hui, C., Carter, J.M. 2013. Oxidation of methionine in PrP is dependent upon the oxidant and the amino acid two positions removed(Abstract). Meeting Abstract. Prion 7:81. Available: https://landesbioscience.com/journals/prion/05-Prion7-2ARB-Posters%20PS.pdf.
A comparison of the structure of the PK-sensitive and PK-resistant forms of PrPSc(Abstract) -
Silva, C.J., Sajnani, G., Ramos, A., Pastrana, M.A., Onisko, B.C., Erickson-Beltran, M.L., Antaki, E.M., Dynin, I.A., Vazquez-Fernandez, E., Sigurdson, C.J., Carter, J.M., Requena, J.R. 2013. A comparison of the structure of the PK-sensitive and PK-resistant forms of PrPSc(Abstract). Meeting Abstract. PS 26.
Oxidation of methionine 216 in sheep and elk prion protein is highly dependent upon the amino acid at position 218 but is not important for prion propagation Reprint Icon -
Silva, C.J., Dynin, I.A., Erickson-Beltran, M.L., Requena, J.R., Balachandran, A., Onisko, B.C., Hui, C., Carter, J.M. 2013. Using mass spectrometry to detect prions and oxidized prions in scrapie-infected sheep and CWD-infected elk. Biochemistry. 52:2139-2147. doi:10.1021/bi3016795.
Oxidation of methionine in PrP is dependent upon the oxidant and the amino acid two positions removed -
Detecting and discriminating among pathogenic protein conformers(prions), using mass spectrometry-based and antibody-based approaches(Abstract) -
Silva, C.J., Onisko, B.C., Dynin, I.A., Erickson-Beltran, M.L., Hui, C., Carter, J.M. 2012. Detecting and discriminating among pathogenic protein conformers(prions), using mass spectrometry-based and antibody-based approaches(Abstract). Meeting Abstract. Poster 216.
Using synthetic small molecule reagents and antibodies to distinguish among PrP conformers: new uses for old antibodies -
Silva, C.J., Erickson-Beltran, M.L., Dynin, I.A., Carter, J.M. 2012. Using synthetic small molecule reagents and antibodies to distinguish among PrP conformers: new uses for old antibodies. Meeting Abstract. Prion 6(supplement),90.
Molecular approaches to detecting and discriminating among prions, a class of pathogenic molecules(Abstract) -
Silva, C.J., Onisko, B.C., Dynin, I.A., Erickson-Beltran, M.L., Hui, C., Carter, J.M. 2012. Molecular approaches to detecting and discriminating among prions, a class of pathogenic molecules(Abstract). Meeting Abstract. Poster, 615.
PK-sensitive PrPSc is infectious and shares basic structural features with PK-resistant PrPSc Reprint Icon -
Sajnani, G., Silva, C.J., Ramos, A., Pastrana, M.A., Onisko, B.C., Erickson-Beltran, M.L., Antaki, E.M., Sigurdson, C.J., Carter, J.M., Requena, J.R. 2012. PK-sensitive PrPSc is infectious and shares basic structural features with PK-resistant PrPSc. PLoS Pathogens. 8(3):e1002547. doi:10.1371/journal.ppat.1002547.
Using Mass Spectrometry to Diagnose Prion diseases: Can we do that? -
Diagnosing Prion Diseases: Mass Spectrometry-Based Approaches -
Silva, C.J., Erickson, M.L., Dynin, I.A., Onisko, B.C., Carter, J.M. 2011. Diagnosing Prion Diseases: Mass Spectrometry-Based Approaches. Meeting Abstract. Prion, Volume 5 (Supplement), April/May/June 2011. page 85.
Utility of mass spectrometry in the diagnosis of prion diseases -
Silva, C.J., Onisko, B.C., Dynin, I.A., Erickson-Beltran, M.L., Requena, J.J., Carter, J.M. 2011. Utility of mass spectrometry in the diagnosis of prion diseases. Analytical Chemistry. 83(5):1609-1615. doi:10.1021/ac102527w.
Detecting and quantifying prions: Mass spectrometry-based approaches -
Assessing the Role of Oxidized Methionine at Position 213 in the Formation of Prions in Hamsters -
Silva, C.J., Onisko, B.C., Dynin, I.A., Erickson, M.L., Vensel, W.H., Requena, J., Antaki, E.M., Carter, J.M. 2010. Assessing the Role of Oxidized Methionine at Position 213 in the Formation of Prions in Hamsters. Journal of Biochemistry. (49):1854-1861.
Mass Spectrometry of Prions: Approaches to Conformational Distinction -
Silva, C.J., Onisko, B., Dynin, I.A., Erickson, M.L., Carter, J.M. 2009. Mass Spectrometry of Prions: Approaches to Conformational Distinction. [Abstract]. AOAC 123rd Annual Meeting & Exposition. S-902. p68-69
Mass Spectrometric Approaches to Detecting and Quantifying Prions -
Silva, C.J., Onisko, B.C., Dynin, I.A., Erickson, M.L. 2009. Mass Spectrometric Approaches to Detecting and Quantifying Prions. [Abstract]. PrP Canada p28.
Mass spectrometric approaches to detecting prions and protein conformers -
Silva, C.J., Onisko, B.C., Dynin, I.A., Erickson, M.L. 2009. Mass spectrometric approaches to detecting prions and protein conformers. [Abstract] AOAC S-401. p63
Mass Spectrometric Approaches to Detecting and Quantifying Prions -
Silva, C.J., Onisko, B.C., Dynin, I.A., Erickson, M.L., Carter, J.M. 2008. Mass Spectrometric Approaches to Detecting and Quantifying Prions. [Abstract]. Third International CWD Symposium. Advancing the Science and Developing the Tools. Vol 3. p23.
Sensitive, Preclinical Detection of Prions in Brain by nanospray liquid chromatography/tandem mass spectrometry -
Onisko, B.C., Silva, C.J., Dynin, I.A., Erickson, M.L., Vensel, W.H., Hnasko, R.M., Requena, J.R., Carter, J.M. 2007. Sensitive, Preclinical Detection of Prions in Brain by nanospray liquid chromatography/tandem mass spectrometry. Rapid Communications in Mass Spectrometry. 21(24):4023-4026.
Mass Spectrometric Detection of Attomole Amounts of the Prion Protein by nanoLC-MS-MS -
Onisko, B.C., Dynin, I.A., Requena, J.R., Silva, C.J., Erickson, M.L., Carter, J.M. 2007. Mass Spectrometric Detection of Attomole Amounts of the Prion Protein by nanoLC-MS-MS. Journal of American Society for Mass Spectrometry. Volume(18); 1070-1079
Last Modified: 5/2/2016
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