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Photo: Bart C Weimer

Bart C Weimer- BS, PhD
Population Health & Reproduction

4023 VM3B
Davis, CA 95616

+1 530 754 0109


Research Focus

  • Molecular ecology of Salmonella in ready-to-eat foods and animals;
  • Molecular diagnostics development using lipids, artificial cells, and genomics;
  • Metagenomics of extreme environments, skin, and gut;
  • DNA/RNA modification in bacteria;
  • Signal transduction and genomics of bacterial association with eukaryotic cells;
  • Effect of the redox potential on bacterial metabolism during host association;
  • Metabolism of infection and commensalism;
  • Natural antibacterial compound discovery;
  • Computing regulartory neteworks for metabolic control analysis using flux, gene expression ane metabolomics

Specialty Focus



1990 PhD Nutrition & Food Sciences - Microbiology, Utah State University,
1986 BS Microbiology & Immunology, University of Arizona,

Honors and Awards

2010 Best Agronomic Paper, Canadian Agronomic Society
2010 Agilent Thought Leader Award
2008 Researcher of the Year, Utah State University, Nutrition & Food Sciences
2006 Iducted into Academic Keys Who's Who in Agriculture Higher Education
2003 Inducted into Empire Who's Who
2002 Inducted into International Who's Who Historical Society
2001-2004 Winder Chair in Food Sciences, Utah State University, Nutrition & Food Sciences
1999 Researcher of the Year, USU College of Family Life
1996 Winder Chair in Food Sciences, Utah State University, Nutrition & Food Sciences
1995 President, Institute for Food Technology, Bonneville Section
1995 Researcher of the Year, Utah State University, College of Family Life

Active Research Grants

Co-Investigator, Oligosaccharides as antimicrobials and prebiotics, Xi Chen (Chemistry) (Principal Investigator), NIH

Co-Investigator, Metagenomics of peridontal disease in dogs, Eisen (Genome Center) (Principal Investigator), Mars, Inc

Co-Investigator, A systematic study of cheese microbiology and flavor based on salt cation substitution in lower sodium cheddar cheese, McMahon (Utah) (Principal Investigator), Dairy Management, Inc.

Principal Investigator, West Coast Central Comprehensive Metabolomics Resource Core, (Principal Investigator), NIH

Co-Principal Investigator, Mechanisms of N2 Fixation in a Diazotrophic Microbiome Associated with an Indigenous Landrace of Corn, Alan Bennett (Principal Investigator), N2 Genetics, LLC

Co-Principal Investigator, MARS Nitrogen Fixation Project, Alan Bennett (Principal Investigator), Mars, Inc

Principal Investigator, Respiratory disease in dolphins, (Principal Investigator), National Marine Mammal Foundation

Principal Investigator, Coincubation of Nitrogen-Fixing Lactococci with Yeast to Improve Yeast Growth Rates or Total Protein Level, (Principal Investigator), Mars, Inc

Co-Principal Investigator, Non-invasive Monitoring, Christina Davis (Principal Investigator), Applied Nanotechnology (NINR)

Principal Investigator, Rapid Bacterial Detection, (Principal Investigator), Mars, Inc

Most Recent 10 Publications

  • Link Icon 2013 He X, Mishchuk DO, Shah J, Weimer BC, Slupsky CM Cross-talk between E. coli strains and a human colorectal adenocarcinoma-derived cell line. Sci Rep,
  • Link Icon 2013 Shah J, Desai PT, Chen D, Stevens JR, Weimer BC Preadaptation to cold stress in Salmonella enterica serovar Typhimurium increases survival during subsequent acid stress exposure. Appl Environ Microbiol,
  • Link Icon 2013 Riehle C, Wende AR, Sena S, Pires KM, Pereira RO, Zhu Y, Bugger H, Frank D, Bevins J, Chen D, Perry CN, Dong XC, Valdez S, Rech M, Sheng X, Weimer BC, Gottlieb RA, White MF, Abel ED Insulin receptor substrate signaling suppresses neonatal autophagy in the heart. J Clin Invest,
  • Link Icon 2013 Ng KM, Ferreyra JA, Higginbottom SK, Lynch JB, Kashyap PC, Gopinath S, Naidu N, Choudhury B, Weimer BC, Monack DM, Sonnenburg JL. Microbiota-liberated host sugars facilitate post-antibiotic expansion of enteric pathogens Nature,
  • Link Icon 2013 Maga EA, Weimer BC, Murray JD Dissecting the role of milk components on gut microbiota composition. Gut microbes,
  • Link Icon 2012 Bugger H, Riehle C, Jaishy B, Wende AR, Tuinei J, Chen D, Soto J, Pires KM, Boudina S, Theobald HA, Luptak I, Wayment B, Wang X, Litwin SE, Weimer BC, Abel ED Genetic loss of insulin receptors worsens cardiac efficiency in diabetes. J Mol Cell Cardiol,
  • Link Icon 2012 Heithoff DM, Shimp WR, House JK, Xie Y, Weimer BC, Sinsheimer RL, Mahan MJ Intraspecies variation in the emergence of hyperinfectious bacterial strains in nature PLoS Pathog,
  • Link Icon 2012 Maga EA, Desai PT, Weimer BC, Dao N, Kültz D, Murray JD Consumption of lysozyme-rich milk can alter microbial fecal populations Appl Environ Microbiol,
  • Link Icon 2012 Barboza M, Pinzon J, Wickramasinghe S, Froehlich JW, Moeller I, Smilowitz JT, Ruhaak LR, Huang J, Lönnerdal B, German JB, Medrano JF, Weimer BC, Lebrilla CB Glycosylation of human milk lactoferrin exhibits dynamic changes during early lactation enhancing its role in pathogenic bacteria-host interactions Mol Cell Proteomics DOI: 10.1074/mcp.M111.015248–10,
  • Link Icon 2011 Marcobal A, Barboza M, Sonnenburg ED, Pudlo N, Martens EC, Desai P, Lebrilla CB, Weimer BC, Mills DA, German JB, Sonnenburg JL Bacteroides in the infant gut consume milk oligosaccharides via mucus-utilization pathways Cell Host Microbe,

Most Recent 5 Book Chapters

2011 Weimer BC: Chapter 7: Responses of lactic acid bacteria to starvation, Tsakalidou E, Papadimitriou K, (ed), Stress Responses of Lactic Acid Bacteria. 129-44.

2011 Weimer BC: Responses of lactic acid bacteria to starvation, Tsakalidou E, Papadimitriou K, (ed), Food Microbiology and Food Safety, New York. 129-144.

2011 Weimer BC: Lactic acid bacteria: Physiology and stress resistance, Fuquay JW, Fox PF, McSweeney P, (ed), Encyclopedia of Dairy Science, 2nd Ed, San Diego. 56-66.

2011 Coolbear T, Wilkenson M, Weimer BC: Lactic acid bacteria: LAB in flavour development, Fuquay JW, Fox PF, McSweeney P, (ed), Encyclopedia of Dairy Science, 2nd Edition, London, England. .

2009 Weimer BC, Rompato G, Parnell J, Gann R, Ganesan B, Navas C, Gonzalez M, Clavel M, Albee-Scott S: Microbial biodiversity of Great Salt Lake, Utah, Oren A, Naftz DL, Wurtsbaugh SJ WA, (ed), Saline Lakes Around the World: Unique Systems with Unique Values, Logan. 15-22.