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 Poultry Microbiological Safety and Processing Research Unit: Athens, GA
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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)                                                                (PhD)
                        Poultry Microbiological Safety and Processing Research Unit

                        




                        
                        Computational Biologist
                        Phone: (706) 546-3187
                        
                        
                        Fax: (706) 546-3633(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.)Escherichia coli O157:H7 tir 255 T > A allele strains differ in chromosomal and plasmid composition
                                                        

- (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. 14:1303387. 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
                                                        

- (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
                                                        

- (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
                                                        

- (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
                                                        

- (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
                                                        

- (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
                                                        

- (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
                                                        

- (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
                                                        

- (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
                                                        

- (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
                                                        

- (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
                                                        

- (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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