Aaron Barnes, MD, PhD

Resident, Department of Laboratory Medicine and Pathology

Aaron Barnes

Contact Info

MD, PhD, University of Minnesota Medical School

Postdoctoral Fellow, Department of Microbiology, University of Minnesota

Summary

Research

Publications

Barnes AMT, JL Dale, Y Chen, DA Manias, KE Greenwood Quaintance, MK Karau, PC Kashyap, R Patel, CL Wells, and GM Dunny (2016). Enterococcus faecalis readily colonizes the entire gastrointestinal tract and forms biofilms in a germ-free mouse model system. Virulence. In press. PMID: 27562711.

Dale JL, J Cagnazzo, CQ Phan, AMT Barnes, and GM Dunny (2015). Multiple roles for Enterococcus faecalis glycosyltransferases (GTFs) in biofilm-associated antibiotic resistance, cell envelope integrity, and conjugative transfer. Antimicrobial Agents & Chemotherapy. doi: 10.1128/AAC.00344-15. PMID: 25918141.

Frank KL, P Vergidis, CL Brinkman, CL Brinkman, KE Greenwood-Quaintance, AMT Barnes, JN Mandrekar, PM Schlievert, GM Dunny, and R Patel (2015). Evaluation of the Enterococcus faecalis Biofilm-Associated Virulence Factors AhrC and Eep in Rat Foreign Body Osteomyelitis and in Biofilm-Associated Antimicrobial Resistance. PLOS One. doi: 10.1371/journal.pone.0130187. Pubmed: 26076451.

Frank KL, PS Guiton, AMT Barnes, DA Manias, ON Chuang-Smith, P Kohler, AR Spaulding, SJ Hultgren, P Schlievert, and GM Dunny (2013). AhrC and Eep are biofilm infection-associated virulence factors in Enterococcus faecalis. Infection and Immunity 81(5), 1696–1708. PMID: 23460519.

Barnes AMT, KS Ballering, RS Leibman, CL Wells, and GM Dunny (2012). Correlative ultrastructural analysis of extracellular DNA in early Enterococcus faecalis biofilms. Microscopy & Microanalysis 18(S2), 8–9. doi: 10.1017/S1431927612001894.

Barnes AMT, KS Ballering, RS Leibman, CL Wells, and GM Dunny (2012). Enterococcus faecalis produces abundant extracellular structures containing DNA in the absence of cell lysis during early biofilm formation. mBio 3(4), e00193–12. PMID: 22829679.

Frank KL, AMT Barnes, S Grindle, D Manias, P Schlievert, and GM Dunny (2012). Use of recombinase-based in vivo expression technology to characterize Enterococcus faecalis gene expression during infection identifies in vivo-expressed antisense RNAs and implicates the protease Eep in pathogenesis. Infection and Immunity 80(2), 539–549. PMID: 22144481.

Hess DJ, MJ Henry-Stanley, AMT Barnes, GM Dunny, and CL Wells (2012). ”Ultrastructure of a novel bacterial form located in Staphylococcus aureus in in vitro and in vivo catheter-associated biofilms. Journal of Histochemistry & Cytochemistry 60(10), 770–6. PMID: 22821688.

Cook LCC, A Chatterjee, AMT Barnes, WS Hu, and GM Dunny (2011). Biofilm growth alters regulation of conjugation by a bacterial pheromone. Molecular Microbiology 81(6), 1499–1510. PMID: 21843206.

Wells CL, MJ Henry-Stanley, AMT Barnes, GM Dunny, and DJ Hess (2011). Relation between antibiotic susceptibility and ultrastructure of Staphylococcus aureus biofilms on surgical suture. Surgical Infections 12(4), 297–305. PMID: 21859333.

Henry-Stanley MJ, DJ Hess, AMT Barnes, GM Dunny, and CL Wells (2010). Bacterial contamination of surgical suture resembles a biofilm. Surgical Infections 11(5), 433–439. PMID: 20673144.

Kristich CJ, VT Nguyen, T Le, AMT Barnes, S Grindle, and GM Dunny (2008). Development and use of an efficient system for random mariner transposon mutagenesis to identify novel genetic determinants of biofilm formation in the core Enterococcus faecalis genome. Applied and Environmental Microbiology 74(11), 3377–3386. PMID: 18408066.

Batra A, RC Hedden, P Schofield, A Barnes, C Cohen, and TM Duncan (2003). Conformational behavior of guest chains in uniaxially stretched poly(diethylsiloxane) elastomers: 2H NMR and SANS. Macromolecules 36(25), 9458–9466. doi: 10.1021/ma035143v.