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                    U.S. DEPARTMENT OF AGRICULTURE
 Produce Safety and Microbiology Research: Albany, CA
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ARS Home Pacific West Area Albany, California Western Regional Research Center Produce Safety and Microbiology Research People & Locations







Bertram  Lee
                        Produce Safety and Microbiology Research

                        




                        
                        Biological Science Lab Technician
                        Phone: (510) 559-6446
                        
                        
                        Fax: (510) 559-6162(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
                            **Publications**
                                                (Clicking on the reprint icon
                                                    Reprint Icon
                                                    will take you to the publication reprint.)Virulence and antimicrobial resistance profiles of Shiga toxin-producing Escherichia coli from river water and farm animal feces near an agricultural region in Northwestern Mexico
                                                        

- (Peer Reviewed Journal)Amezquita-Lopez, B.A., Soto-Beltran, M., Lee, B.G., Bon-Haro, E.F., Lugo-Melchor, O.Y., Quinones, B. 2024. Virulence and antimicrobial resistance profiles of Shiga toxin-producing Escherichia coli from river water and farm animal feces near an agricultural region in Northwestern Mexico. Microbiology Research. 15(1):385-403. https://doi.org/10.3390/microbiolres15010026.Comparative genomic analyses of virulence and antimicrobial resistance in Citrobacter werkmanii, an emerging opportunistic pathogen
                                                        

- (Peer Reviewed Journal)Aguirre-Sanchez, J.R., Quinones, B., Ortiz-Muñoz, J.A., Prieto-Alvarado, R., Vega-Lopez, I.F., Martinez-Urtaza, J., Lee, B.G., Chaidez, C. 2023. Comparative genomic analyses of virulence and antimicrobial resistance in Citrobacter werkmanii, an emerging opportunistic pathogen. Microorganisms. 11(8). Article 2114. https://doi.org/10.3390/microorganisms11082114.Phylogenetic group and virulence profile classification in Escherichia coli from distinct isolation sources in Mexico
                                                        

- (Peer Reviewed Journal)Aguirre-Sanchez, J.R., Valdez-Torres, J.B., Castro del Campo, N., Martinez-Urtaza, J., Castro del Campo, N., Lee, B.G., Quinones, B., Chaidez-Quiroz, C. 2022. Phylogenetic group and virulence profile classification in Escherichia coli from distinct isolation sources in Mexico. Infection, Genetics and Evolution. 106. Article 105380. https://doi.org/10.1016/j.meegid.2022.105380.Prevalence and genomic diversity of Salmonella enterica recovered from river water in a major agricultural region in northwestern Mexico
                                                        

- (Peer Reviewed Journal)Gonzalez-Lopez, I., Medrano-Felix, J.A., Castro-del Campo, N., Lopez-Cuevas, O., Gonzalez-Gomez, J.P., Valdez-Torres, J.B., Aguirre-Sanchez, J.R., Martinez-Urtaza, J., Gomez-Gil, B., Lee, B.G., Quinones, B., Chaidez, C. 2022. Prevalence and genomic diversity of Salmonella enterica recovered from river water in a major agricultural region in northwestern Mexico. Microorganisms. 10(6). Article 1214. https://doi.org/10.3390/microorganisms10061214.Complete genome sequence of two Bacillus velezensis strains isolated from California raisin vineyard soil
                                                        

- (Peer Reviewed Journal)Palumbo, J.D., O Keeffe, T.L., Huynh, S., Lee, B.G., Parker, C.T. 2022. Complete genome sequence of two Bacillus velezensis strains isolated from California raisin vineyard soil. Microbiology Resource Announcements. Article e00923-21. https://doi.org/10.1128/mra.00923-21.Overview of methodologies for the culturing, recovery and detection of Campylobacter
                                                        

- (Peer Reviewed Journal)Soto-Beltran, M., Lee, B.G., Amezquita-Lopez, B.A., Quinones, B. 2022. Overview of methodologies for the culturing, recovery and detection of Campylobacter. International Journal of Environmental Health Research. https://doi.org/10.1080/09603123.2022.2029366.Genomic analysis of high copy-number sequences for the targeted detection of Listeria species using a flow-through surveillance system
                                                        

- (Peer Reviewed Journal)Quinones, B., Yambao, J.C., Deguzman, V., Lee, B.G., Medin, D. 2021. Genomic analysis of high copy-number sequences for the targeted detection of Listeria species using a flow-through surveillance system. Archives Of Microbiology. 203:3667-3682. https://doi.org/10.1007/s00203-021-02388-2.Draft genome sequences of Shiga toxin-producing Escherichia coli O157:H7 strains recovered from a major production region for leafy greens in California
                                                        

- (Peer Reviewed Journal)Quiñones, B., Yambao, J.C., Silva, C.J., Lee, B.G. 2019. Draft genome sequences of Shiga toxin-producing Escherichia coli O157:H7 strains recovered from a major production region for leafy greens in California. Microbiology Resource Announcements. 8(27):e00644-19. https://doi.org/10.1128/MRA.00644-19.Quantitating Shiga toxin production in environmental STEC isolated from a major produce production region in California

- (Abstract Only)Silva, C.J., Lee, B.G., Yambao, J.C., Erickson-Beltran, M.L., Quinones, B. 2019. Quantitating Shiga toxin production in environmental STEC isolated from a major produce production region in California [abstract]. ASM Microbe 2019, June 20-24, 2019, San Francisco, CA. Poster AES-1194.Quantitating and verifying Shiga toxin expression from Californian environmental STEC by mass spectrometry

- (Abstract Only)Silva, C.J., Lee, B.G., Yambao, J.C., Erickson-Beltran, M.L., Quinones, B. 2019. Quantitating and verifying Shiga toxin expression from Californian environmental STEC by mass spectrometry. Meeting Abstract. Poster. ARS-FSIS 2019 meeting.Software for top-down proteomic identification of a plasmid-borne factor (and other proteins) from genomically sequenced pathogenic bacteria using MALDI-TOF-TOF-MS/MS and post-source decay
                                                        

- (Peer Reviewed Journal)Fagerquist, C.K., Lee, B.G., Zaragoza, W.J., Yambao, J.C., Quiñones, B. 2018. Software for top-down proteomic identification of a plasmid-borne factor (and other proteins) from genomically sequenced pathogenic bacteria using MALDI-TOF-TOF-MS/MS and post-source decay. International Journal of Mass Spectrometry. 438:1-12. https://doi.org/10.1016/j.ijms.2018.12.006.Clinically-relevant Shiga toxin 2 subtypes from environmental Shiga toxin-producing Escherichia coli identified by top-down/middle-down proteomics and DNA sequencing
                                                        

- (Peer Reviewed Journal)Fagerquist, C.K., Zaragoza, W.J., Lee, B.G., Yambao, J.C., Quiñones, B. 2018. Clinically-relevant Shiga toxin 2 subtypes from environmental Shiga toxin-producing Escherichia coli identified by top-down/middle-down proteomics and DNA sequencing. Clinical Mass Spectrometry. 11:27-36. https://doi.org/10.1016/j.clinms.2018.12.001.Using nanospray liquid chromatography and mass spectrometry to quantitate Shiga toxin production in environmental Escherichia coli recovered from a major produce production region in California
                                                        

- (Peer Reviewed Journal)Silva, C.J., Lee, B.G., Yambao, J.C., Erickson-Beltran, M.L., Quiñones, B. 2019. Using nanospray liquid chromatography and mass spectrometry to quantitate Shiga toxin production in environmental Escherichia coli recovered from a major produce production region in California. Journal of Agricultural and Food Chemistry. 67(5):1554-1562. https://doi.org/10.1021/acs.jafc.8b05324.Top-down proteomic identification of a novel antibiotic-induced plasmid-encoded factor from Shiga toxin-producing Escherichia coli (STEC) using MALDI-TOF-TOF-MS/MS and post-source decay

- (Proceedings)Fagerquist, C.K., Lee, B.G., Zaragoza, W.J., Yambao, J.C., Quinones, B. 2018. Top-down proteomic identification of a novel antibiotic-induced plasmid-encoded factor from Shiga toxin-producing Escherichia coli (STEC) using MALDI-TOF-TOF-MS/MS and post-source decay. Proceedings for 66th Conference on Mass Spectrometry and Allied Topics, June 3-7, 2018, San Diego, California.First report of an atypical new Aspergillus parasiticus isolates with nucleotide insertion in aflR gene resembling to A. sojae
                                                        

- (Peer Reviewed Journal)Hua, S.T., Parfitt, D.E., Sarreal, S.L., Lee, B.G., Wood, D.F. 2018. First report of an atypical new Aspergillus parasiticus isolates with nucleotide insertion in aflR gene resembling to A. sojae. Mycotoxin Research. 34(2):151-157. https://doi.org/10.1007/s12550-018-0309-2.Screening for the presence of mcr-1/mcr-2 genes in Shiga toxin-producing Escherichia coli recovered from a major produce-production region in California
                                                        

- (Peer Reviewed Journal)Mavrici, D., Yambao, J.C., Lee, B.G., Quinones, B., He, X. 2017. Screening for the presence of mcr-1/mcr-2 genes in Shiga toxin-producing Escherichia coli recovered from a major produce-production region in California. PLoS One. 12(11):e0187827. https://doi.org/10.1371/journal.pone.0187827.Draft genome sequences of Escherichia coli O113:H21 strains recovered from a major produce-production region in California
                                                        

- (Peer Reviewed Journal)Quinones, B., Yambao, J.C., Lee, B.G. 2017. Draft genome sequences of Escherichia coli O113:H21 strains recovered from a major produce-production region in California. Genome Announcements. https://doi.org/10.1128/genomeA.01203-17.Sensitive genotyping of foodborne-associated human noroviruses and hepatitis A virus using an array-based platform
                                                        

- (Peer Reviewed Journal)Quinones, B., Lee, B.G., Martinsky, T.J., Yambao, J.C., Haje, P.K., Schena, M. 2017. Sensitive genotyping of foodborne-associated human noroviruses and hepatitis A virus using an array-based platform. Sensors. 17(9):2157. https://doi.org/10.3390/s17092157.Concurrent detection of human norovirus and bacterial pathogens in water samples from an agricultural region in Central California Coast
                                                        

- (Peer Reviewed Journal)Tian, P., Yang, D., Lei, S., Wang, D., Li, Q., Gorski, L.A., Lee, B.G., Quinones, B., Cooley, M.B. 2017. Concurrent detection of human norovirus and bacterial pathogens in water samples from an agricultural region in Central California Coast. Frontiers in Microbiology. 8:1560. https://doi.org/10.3389/fmicb.2017.01560.Isolation, genotyping, and antimicrobial resistance of zoonotic shiga toxin-producing escherichia coli
                                                        

- (Review Article)Amézquita-López, B.A., Soto-Beltrán, M., Lee, B.G., Yambao, J.C., Quinones, B. 2017. Isolation, genotyping, and antimicrobial resistance of zoonotic shiga toxin-producing escherichia coli. Journal of Microbiology, Immunology. 51(4):425-434. https://doi.org/10.1016/j.jmii.2017.07.004.Molecular sequence typing reveals genotypic diversity among Escherichia coli isolates recovered from a cantaloupe packinghouse in Northwestern Mexico

- (Peer Reviewed Journal)Quinones, B., Campos-Sauceda, J.P., Lee, B.G., Yambao, J.C., Chaidez, C. 2017. Molecular sequence typing reveals genotypic diversity among Escherichia coli isolates recovered from a cantaloupe packinghouse in Northwestern Mexico. Letters in Applied Microbiology. doi: 10.1111/lam.12733.Antimicrobial resistance in Escherichia coli O157 and non-O157 recovered from feces of domestic farm animals in Northwestern Mexico
                                                        

- (Peer Reviewed Journal)Amézquita-López, B.A., Quinones, B., Soto-Beltran, M., Lee, B.G., Yambao, J.C., Lugo-Melchor, O.Y., Chaidez, C. 2016. Antimicrobial resistance in Escherichia coli O157 and non-O157 recovered from feces of domestic farm animals in Northwestern Mexico. Antimicrobial Resistance and Infection Control. doi: 10.1186/s13756-015-0100-5.An environmental shiga toxin-producing Escherichia coli O145 clonal population exhibits high-level phenotypic variation that includes virulence traits

- (Peer Reviewed Journal)Carter, M.Q., Quinones, B., He, X., Louie, J.W., Zhong, W.W., Lee, B.G., Yambao, J.C., Mandrell, R.E., Cooley, M.B. 2015. An environmental shiga toxin-producing Escherichia coli O145 clonal population exhibits high-level phenotypic variation that includes virulence traits. Applied and Environmental Microbiology. doi: 10.1128/AEM.03172-15.Low-density microarray technologies for rapid human norovirus genotyping

- (Abstract Only)Characterization of shiga toxin-producing Escherichia coli recovered from domestic animals to determine stx variants, virulence genes, and cytotoxicity in mammalian cells
                                                        

- (Peer Reviewed Journal)Amezquita-Lopez, B.A., Quinones, B., Lee, B.G., Chaidez, 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.Evidence of norovirus (NV)in a major produce production region watershed and a low density microarray strategy for detecting NV(Abstract)

- (Abstract Only)


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