Hendrik C Den Bakker Assistant Professor Center for Food Safety
Contact Information hcd82599@uga.edu 770-467-6066

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Overview of Research Program

  • Bacterial population genetics and genomics
  • Bioinformatics
  • Biostatistics
  • Epidemiology
  • Mycology
  • Microbiomes, Salmonella, Listeria, and spoilage organisms

Publications

(2017-present)

Bradley P, den Bakker HC, Rocha EPC,  McVean G, Iqbal Z. 2019. Ultrafast search of all deposited bacterial and viral genomic data. Nature Biotechnol. 37:152–159.

Bugarel M, Cook PW, den Bakker HC, Harhay D, Nightingale KK, Loneragan GH. 2019.  Complete genome sequences of four Salmonella enterica strains (including those of serotypes Montevideo, Mbandaka, and Lubbock) isolated from peripheral lymph nodes of healthy cattle. Microbiol Resour Announc. 10;8 pii: e01450-18. doi: 10.1128/MRA.01450-18.

Zhang S, Li S, Gu W, den Bakker H, Boxrud D, Taylor A, Roe C, Driebe E, Engelthaler DM, Allard M, Brown E, McDermott P, Zhao S, Bruce BB, Trees E, Fields PI, Deng X. 2019. Zoonotic source attribution of Salmonella enterica serotype Typhimurium using genomic surveillance data, United States. Emerg Infect Dis. 25:82-91.

Forghani F, den Bakker M, Futral AN, Diez-Gonzalez F. 2018. Long-term survival and thermal death kinetics of enterohemorrhagic Escherichia coli serogroups O26, O103, O111 and O157 in wheat flour. Appl Environ Microbiol. 84. pii: e00283-18. doi: 10.1128/AEM.00283-18.

Erickson MC, Liao JY, Payton AS, Cook PW, Den Bakker HC, Bautista J, Pérez JCD. 2018. Pre-harvest internalization and surface survival of Salmonella and Escherichia coliO157:H7 sprayed onto different lettuce cultivars under field and growth chamber conditions. Int J Food Microbiol. 291:197-204.

Erickson, M.C., J-Y. Liao, A.S. Payton, P.W. Cook, H.C. Den Bakker, J. Bautista, and J.C. Diaz-Perez. 2018.  Fate of enteric pathogens in different spinach cultivars cultivated in growth chamber and field systems.  Food Quality and Safety 2:221-228.

Ahlstrom, C.A., C.S. Manuel, H.C. Den Bakker, M. Wiedmann, and K.K. Nightingale. 2018. Molecular ecology of Listeria spp., Salmonella, Escherichia coli O157:H7 and non-O157 Shiga toxin-producing E. coli in pristine natural environments in Northern Colorado. J. Appl. Microbiol. 124:511-521.

Toledo V, den Bakker HC, Hormazábal JC, González-Rocha G, Bello-Toledo H, Toro M, Moreno-Switt AI. 2018. Genomic diversity of Listeria monocytogenes isolated from clinical and non-clinical samples in Chile. Genes (Basel). 9(8). pii: E396. doi: 10.3390/genes9080396.

Bergholz, T., H.C. den Bakker, L. Katz, B. Silk, K. Jackson, Z. Kucerova, L. Joseph, M. Turnsek, L. Gladney, J. Halpin, K. Xavier, J. Gossack, T. Ward, M. Frace, and C. Tarr. 2015. Evolutionary relationships of outbreak-associated Listeria monocytogenes strains of serotypes 1/2a and 1/2b determined by whole genome sequencing. Appl. Environ. Microbiol., 82(3):928-38

 Deng, X., H.C. den Bakker, R.D. Hendriksen. 2016. Genomic Epidemiology: WholeGenome-Sequencing-Powered Surveillance and Outbreak Investigation of Foodborne Bacterial Pathogens. Annu Rev Food Sci Technol. 7: 353-74.

Elder, J.R., M. Bugarel, H.C. den Bakker, G.H. Loneragan and K.K. Nightingale.. 2016. Interrogation of single nucleotide polymorphisms in gnd provides a novel method for molecular serogrouping of clinically important Shiga toxin producing Escherichia coli (STEC) targeted by regulation in the United States, including the "big six" non-O157 STEC and STEC O157. J. Microbiol. Methods. 16 (129): 85-93.

Ison S., S. Delannoy, M. Bugarel, T. Nagaraja, D. Renter, H.C. den Bakker, K.K Nightingale, P. Fach, and G.H. Loneragan. 2015. Targeted amplicon sequencing for SNP genotyping of attaching and effacing Escherichia coli O26:H11 cattle strains using a high-throughput library preparation technique. Appl. Environ. Microbiol., doi:10.1128/AEM.03182-15.

Ohta N, Norman KN, Norby B, Lawhon SD, Vinasco J, den Bakker H, Loneragan GH, Scott HM. 2017. Population dynamics of enteric Salmonella in response to antimicrobial use in beef feedlot cattle. Sci Rep. 7:14310. doi: 10.1038/s41598-017-14751-9.

Rodriguez-Rivera, L.D., B.M. Bowen, H.C. den Bakker, G.E. Duhamel and M. Wiedmann. 2015. Functional characterization of the cytolethal distending toxin (Typhoid toxin) in non-typhoidal Salmonella serovars. Gut Pathogens 7:19.

 Stasiewicz, M.J., H.F. Oliver, M. Wiedmann, H.C. den Bakker. 2015. Whole genome sequencing allows for improved identification of persistent Listeria monocytogenes in food associated environments. Appl. Environ. Microbiol., 81(17): 6024-37.  

Stasiewicz, M.J., H.C. den Bakker, M. Wiedmann. 2015. Genomics tools in microbial food safety. Current Opinion in Food Science, 4: 105–10.

Tang, S., R.H. Orsi, H.C. den Bakker, M. Wiedmann, K.J. Boor, T.M. Bergholz. 2015. Transcriptomic analysis of Listeria monocytogenes Adaptation to Growth on Vacuum-Packed Cold Smoked Salmon. Appl. Environ. Microbiol., 81(19):6812-24.

Webb, H.E., M. Bugarel, H.C. den Bakker, K.K. Nightingale, S.A. Granier, H.M. Scott, G.H. Loneragan. 2016. Carbapenem-Resistant Bacteria Recovered from Faeces of Dairy Cattle in the High Plains Region of the USA. PLoS ONE. 11(1): e0147363.

Webb H.E., S.A. Granier, M. Marault, Y. Millemann, H.C. den Bakker, K.K. Nightingale, M. Bugarel, S.A. Ison, H.M. Scott, G.H. Loneragan. 2015. Dissemination of the mcr-1 colistin resistance gene (correspondence). Lancet Infect. Dis., doi:10.1016/S14733099(15)00538-1.