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ARS Home » Southeast Area » Athens, Georgia » U.S. National Poultry Research Center » Poultry Microbiological Safety and Processing Research Unit » People & Locations » Margaret Weinroth (Maggie)
Margaret Weinroth (Maggie) (PhD)
Poultry Microbiological Safety and Processing Research Unit
Computational Biologist

Phone: (706) 546-3187
Fax: (706) 546-3633

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Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Escherichia coli O157:H7 tir 255 T > A allele strains differ in chromosomal and plasmid composition Reprint Icon - (Peer Reviewed Journal)
Weinroth, M.D., Clawson, M.L., Harhay, G.P., Eppinger, M., Harhay, D.M., Smith, T.P.L., Bono, J.L. 2023. Escherichia coli O157:H7 tir 255 T > A allele strains differ in chromosomal and plasmid composition. Frontiers in Microbiology. 14. Article 1303387. https://doi.org/10.3389/fmicb.2023.1303387.
16S rRNA gene-based assessment of common broiler chicken sampling methods: evaluating intra-flock sample size, cecal pair similarity, and cloacal swab similarity to other alimentary tract locations Reprint Icon - (Peer Reviewed Journal)
Weinroth, M.D., Oakley, B.B., Ramirez, G.A., Reyes, A., Harris, C.E., Buhr, R.J. 2022. 16S rRNA gene-based assessment of common broiler chicken sampling methods: evaluating intra-flock sample size, cecal pair similarity, and cloacal swab similarity to other alimentary tract locations. Frontiers in Physiology. https://doi.org/10.3389/fphys.2022.996654.
Comparative genomics of Escherichia coli serotype O55:H7 using complete closed genomes Reprint Icon - (Peer Reviewed Journal)
Weinroth, M.D., Bono, J.L. 2022. Comparative genomics of Escherichia coli serotype O55:H7 using complete closed genomes. Microorganisms. 10(8): Article 1545. https://doi.org/10.3390/microorganisms10081545.
Proliferation of Salmonella Infantis in United States poultry production driven by clonal expansion of a single lineage carrying the pESI plasmid Reprint Icon - (Peer Reviewed Journal)
Mcmillan, E.A., Frye, J.G., Weinroth, M.D. 2022. Proliferation of Salmonella Infantis in United States poultry production driven by clonal expansion of a single lineage carrying the pESI plasmid. Microorganisms. https://doi.org/10.3390/microorganisms10071478.
Rates of evolutionary change of resident Escherichia coli O157:H7 differ within the same ecological niche Reprint Icon - (Peer Reviewed Journal)
Weinroth, M.D., Clawson, M.L., Arthur, T.M., Wells, J., Harhay, D.M., Strachan, N., Bono, J.L. 2022. Rates of evolutionary change of resident Escherichia coli O157:H7 differ within the same ecological niche. BMC Genomics. 23. Article 275. https://doi.org/10.1186/s12864-022-08497-6.
Resistomes and microbiomes of meat trimmings and colon content from culled cows raised in conventional and organic production systems Reprint Icon - (Peer Reviewed Journal)
Weinroth, M.D., Thomas, K.M., Doster, E., Vikram, A., Schmidt, J.W., Arthur, T.M., Wheeler, T.L., Parker, J.K., Hanes, A.S., Alekoza, N., Wolfe, C., Metcalf, J.L., Morley, P.S., Belk, K.E. 2022. Resistomes and microbiomes of meat trimmings and colon content from culled cows raised in conventional and organic production systems. Animal Microbiome. 4. Article 21. https://doi.org/10.1186/s42523-022-00166-z.
Determination of bacterial pathogen diversity and prevalence in acidified re-used poultry litter during commercial live production - (Abstract Only)
Considerations and best practices in animal science 16S ribosomal RNA gene sequencing microbiome studies Reprint Icon - (Review Article)
Weinroth, M.D., Belk, A.D., Dean, C.J., Noyes, N.R., Dittoe, D.K., Rothrock Jr, M.J., Ricke, S.C., Myer, P.R., Henniger, M.T., Ramirez, G.A., Oakley, B.B., Summers, K.L., Miles, A.M., Ault-Seay, T.B., Yu, Z., Metcalf, J., Wells, J. 2022. Considerations and best practices in animal science 16S ribosomal RNA gene sequencing microbiome studies. Journal of Animal Science. 100:1018. https://doi.org/10.1093/jas/skab346.
Antimicrobial resistance in U.S. retail ground beef with and without label claims regarding antibiotic use Reprint Icon - (Peer Reviewed Journal)
Schmidt, J.W., Vikram, A., Doster, E., Thomas, K., Weinroth, M.D., Parker, J., Hanes, A., Geornaras, I., Morley, P.S., Belk, K.E., Wheeler, T.L., Arthur, T.M. 2021. Antimicrobial resistance in U.S. retail ground beef with and without label claims regarding antibiotic use. Journal of Food Protection. 84(5):827-842. https://doi.org/10.4315/JFP-20-376.
Metagenomic characterization of the microbiome and resistome of retail ground beef products Reprint Icon - (Peer Reviewed Journal)
Doster, E., Thomas, K.M., Weinroth, M.D., Parker, J.K., Crone, K.K., Arthur, T.M., Schmidt, J.W., Wheeler, T.L., Belk, K.E., Morley, P.S. 2020. Metagenomic characterization of the microbiome and resistome of retail ground beef products. Frontiers in Microbiology. 11. Article 541972.. https://doi.org/10.3389/fmicb.2020.541972.
Impact of mixed biofilm formation with environmental microorganisms on E. coli O157:H7 survival against sanitization Reprint Icon - (Peer Reviewed Journal)
Dass, S.C., Bosilevac, J.M., Weinroth, M., Elowsky, C.G., Zhou, Y., Anandappa, A., Wang, R. 2020. Impact of mixed biofilm formation with environmental microorganisms on E. coli O157:H7 survival against sanitization. NPJ Science of Food. 4:16. https://doi.org/10.1038/s41538-020-00076-x.
Rapid estimation of Salmonella enterica contamination level in ground beef – application of the time-to-positivity method using a combination of molecular detection and direct plating Reprint Icon - (Peer Reviewed Journal)
Harhay, D.M., Weinroth, M.D., Bono, J.L., Harhay, G.P., Bosilevac, J.M. 2021. Rapid estimation of Salmonella enterica contamination level in ground beef – application of the time-to-positivity method using a combination of molecular detection and direct plating. Food Microbiology. 93. Article 103615. https://doi.org/10.1016/j.fm.2020.103615.
Antimicrobial resistance at two United States cull cow processing establishments Reprint Icon - (Peer Reviewed Journal)
Schmidt, J.W., Vikram, A., Arthur, T.M., Belk, K.E., Morley, P.S., Weinroth, M.D., Wheeler, T.L. 2020. Antimicrobial resistance at two United States cull cow processing establishments. Journal of Food Protection. 83(12):2216-2228. https://doi.org/10.4315/JFP-20-201.
Changes in a closed feedlot Escherchia coli O157:H7 population over 22 years - (Abstract Only)
Weinroth, M., Clawson, M., Arthur, T., Wells, J., Harhay, D., Bono, J. 2020. Changes in a closed feedlot Escherchia coli O157:H7 population over 22 years. [Abstract]. International Association for Food Protection Conference, Cleveland, Ohio, August 2-5 2020. Virtual. Journal of Food Protection. 83(Supplement A):P2-198.
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