Publications
*Pre-Virginia Tech
2022
Carroll LM, Matle I, Kovac J, Cheng RA, and M Wiedmann. Laboratory misidentifications resulting from recent taxonomic changes to Bacillus cereus group species B. anthracis and B. cereus, 2018-2022. Emerg Infect Dis. 28(9): 1877-1881. DOI: 10.3201/eid2809.220293
Cheng RA, Orsi RH, and M Wiedmann. 2022. The number and type of chaperone-usher fimbriae reflects phylogenetic clade, rather than host range in Salmonella. mSystems. 7(3): e001522. DOI: 10.1128/msystems.00115-22
Chen R, Cheng RA, Wiedmann M, and RH Orsi. Development of a genomics-based approach to identify putative hypervirulent nontyphoidal Salmonella isolates: Salmonella enterica serovar Saintpaul as a model. 2022. mSphere 7 (1), e00730-21. DOI: 10.1128/msphere.00730-21
2021
Buosi DTM, de Moraes JO, Cheng Y, Cheng RA, Moraru CI, and BAM Carciofi. 2021. Effective pulsed light treatments for inactivating Salmonella enterica serotypes. Food Control 135: 108776. DOI: 10.1016/j.foodcont.2021.108776
Gaballa A, Cheng RA, Trmcic A, Kovac J, Kent DJ, Martin NH, and M Wiedmann. 2021. Development of a standardized single gene (rpoB) sequencing-based approach for the identification and characterization of aerobic spore-forming Bacillales. J Microbiol Method. 191, 106350. DOI: 10.1016/j.mimet.2021.106350
Carroll LM, Buehler AJ, Gaballa A, Siler JD, Cummings KJ, Cheng RA, and M Wiedmann. 2021. Monitoring the antimicrobial resistance dynamics of Salmonella enterica in healthy dairy cattle populations at the individual farm level using whole-genome sequencing. Front Microbiol. 3166. DOI: 10.3389/fmicb.2021.763669
Cohn AR, Orsi RH, Carroll LM, Chen R, Wiedmann M, and RA Cheng. 2021 Characterization of basal transcriptomes identifies potential metabolic and virulence-associated adaptations among diverse nontyphoidal Salmonella serovars. Front Microbiol. 12. DOI: 10.3389/fmicb.2021.730411
Cheng RA, Orsi RH, and M Wiedmann. 2021. Phylogeographic clustering suggests that distinct clades of Salmonella enterica serovar Mississippi are endemic in Australia, the UK, and the US. mSphere (6) e00485-21. DOI: 10.1128/mSphere.00485-21
Cohn AR, Cheng RA, Orsi RH, and M Wiedmann. 2021. Moving past species classifications for risk-based approaches to food safety: Salmonella as a case study. Front Sustain Food Syst. (5). DOI: 10.3389/fsufs.2021.652132
Carroll LM, Cheng RA, M Wiedmann, and J Kovac. 2021. Keeping up with the Bacillus cereus group: taxonomy through the genomics era and beyond. Crit Rev Food Sci Nutr. 1-26. DOI: 10.1080/10408398.2021.1916735
Cheng RA and M Wiedmann. 2021. Recent advances in our understanding of the diversity and roles of chaperone-usher fimbriae facilitating Salmonella host and tissue tropism. Front Cell Infect Microbiol. 10:628403. DOI: 10.3389/fcimb.2020.628043
Gaballa A, Cheng RA, Harrand AS, Cohn AR, and M Wiedmann. 2021. The majority of typhoid toxin-positive Salmonella serovars encode an alternate binding subunit that competes for inclusion in the holotoxin. mSphere (6):e01255-20. DOI: 10.1128/mSphere.01255-20
2020
Carroll LM, Cheng RA, and J Kovac. 2020. No assembly required: Using BTyper3 to assess the congruency of a proposed taxonomic framework for the Bacillus cereus group with historical typing methods. Front Microbiol 2020.580691. DOI: 10.3389/fmicb.2020.580691
Carlin CR, Lau SS, Cheng RA, Buehler AJ, Kassaify Z, and Wiedmann M. 2020. Validation using diverse, difficult-to-detect Salmonella strains and a dark chocolate matrix highlights the critical role of strain selection for evaluation of simplified, rapid PCR-based methods offering next-day time to results. J Food Protect (83): 1374-86. DOI: 10.4315/JFP-20-066
Beno SM, Cheng RA, Orsi RH, Duncan DR, Guo X, Kovac J, Carroll LM, Martin NH, and M Wiedmann. 2020. Paenibacillus odorifer, the predominant Paenibacillus species isolated from milk in the US, demonstrates genetic and phenotypic conservation of psychrotolerance, but clade-associated differences in nitrogen metabolic pathways. mSphere (5): e00739-19. DOI: 10.1128/mSphere.00739-19
2019
Cheng RA and M Wiedmann. 2019. The ADP-ribosylating toxins of Salmonella. Toxins 16;11(7). DOI: 10.3390/toxins11070416
Cheng RA, Eade C, and M Wiedmann. 2019. Embracing diversity: Differences in host adaptations, virulence mechanisms, and disease manifestations contribute to the success of nontyphoidal Salmonella as a foodborne pathogen. Front Microbiol 2019;10:1368. DOI: 10.3389/fmicb.2019.01368
Beno SM, Orsi RH, Cheng RA, Kent DJ, Kovac J, Duncan DR, Martin NH, and Wiedmann M. 2019 A number of genes are associated with psychrotolerant Bacillus cereus group isolates. Front Microbiol. 10:662. DOI: 10.3389/fmicb.2019.00662
Buehler AJ, Wiedmann M, Kassaify Z, and RA Cheng. 2019. Evaluation of invA diversity among Salmonella species suggests why some commercially available rapid detection kits may fail to detect multiple Salmonella subspecies and species. J Food Protect. 82:710-717. DOI: 10.4315/0362-028X.JFP-18-525
2018
Miller RA, Jian J, Beno SM, Wiedmann M, and Kovac J. 2018. Intraclade variability in toxin production and cytotoxicity of Bacillus cereus group type strains and dairy-associated isolates. Appl Env Microbiol 84(6): 84:e02479-17. DOI: 10.1128/AEM.02479-17
Miller RA, Betteken MI, Guo X, Altier C, Duhamel GE, and M Wiedmann. 2018. The typhoid toxin produced by the nontyphoidal Salmonella enterica serotype Javiana is required for induction of a DNA damage response in vitro and systemic spread in vivo. mBio 9:e00467-18. DOI: 10.1128/mBio.00467-18
2017
Carroll LM, Kovac J, Miller RA, Wiedmann M. 2017. Rapid, high-throughput identification of anthrax-causing and emetic Bacillus cereus group genome assemblies using BTyper, a computational tool for virulence-based classification of Bacillus cereus group isolates using nucleotide sequencing data. Appl Env Microbiol 83(17):e01096-17. DOI: 10.1128/AEM.01096-17
2016
Miller RA and Wiedmann M. 2016. The cytolethal distending toxin produced by nontyphoidal Salmonella serotypes Javiana, Montevideo, Oranienburg, and Mississippi induces DNA damage in a manner similar to that of serotype Typhi. mBio. 7(6): e02109-16. DOI: 10.1128/mBio.02109-16
Miller RA, Beno SM, Kent DJ, Carroll LM, Martin NH, Boor KJ, Kovac J. 2016. Bacillus wiedmannii sp. nov. is a new psychrotolerant and cytotoxic Bacillus cereus group species isolated from dairy foods and environments in the USA. Int J Syst Evol Microbiol 66(11):4744-4753. DOI: 10.1099/ijsem.0.001421
Kovac J, Miller RA, Carroll LM, Kent DJ, Jian J, Beno SM, Wiedmann M. 2016. Production of hemolysin BL by Bacillus cereus group isolates of dairy origin is associated with whole-genome phylogenetic clade. BMC Genomics 9(17):581. DOI: 10.1186/s12864-016-2883-z
Miller RA, Wiedmann M. 2016. Dynamic duo-The Salmonella cytolethal distending toxin combines ADP-ribosyltransferase and nuclease activities in a novel form of the cytolethal distending toxin. Toxins 8(5):E121. DOI: 10.3390/toxins8050121
Schieck E, Lartigue C, Frey J, Vozza N, Hegermann J, Miller RA, Valguarnera E, Muriuki C, Meens J, Nene V, Naessens J, Weber J, Lowary TL, Vashee S, Feldman MF, Jores J. 2016. Galactofuranose in Mycoplasma mycoides is important for membrane integrity and conceals adhesins but does not contribute to serum resistance. Mol Microbiol 99(1):55-70. DOI: 10.1111/mmi.13213
2015
Miller RA, Kent DJ, Watterson MJ, Boor KJ, Martin NH, Wiedmann M. 2015. Spore populations among bulk tank raw milk and dairy powders are significantly different. J Dairy Sci 98(12):8492-504. DOI: 10.3168/jds.2015-9943
Fischer A, Santana-Cruz I, Hegerman J, Gourlé H, Schieck E, Lambert M, Nadendla S, Wesonga H, Miller RA, Vashee S, Weber J, Meens J, Frey J, Jores J. 2015. High quality draft genomes of the Mycoplasma mycoides subsp. mycoides challenge strains Afadé and B237. Stand Genomic Sci 10:89. DOI: 10.1186/s40793-015-0067-0
Miller RA, Kent DJ, Boor KJ, Martin NH, Wiedmann M. 2015. Different management practices are associated with mesophilic and thermophilic spore levels in bulk tank raw milk. J Dairy Sci 98(7):4338-51. DOI: 10.3168/jds.2015-9406
2011
Pope WH, Jacobs-Sera D, Russell DA, Peebles CL, et al. 2011. Expanding the diversity of mycobacteriophages: insights into genome architecture and evolution. PLoS One 6(1):e16329. DOI: 10.1371/journal.pone.0016329