Dr. Matthew Barnett

Senior Research Scientist

E: matthew.barnett@agresearch.co.nz


BSc MSc (Hons) PhD Auckland

Research interests & activities

  • Meat- and dairy-based food solutions for improved quality of life during ageing
  • The role of the intestinal microbiota in health
  • Nutrigenomics

Professional Memberships

  • New Zealand Institute of Agricultual and Horticultural Science
  • Nutrition Society of New Zealand
  • International Society of Nutrigenetics and Nutrigenomics
  • Section Editor (Nutrigenomics) European Journal of Nutrition


  • 2009 FRST Bridge to Employment Fellowship
  • 2007-2010 New Zealand Foundation for Research, Science and Technology (FRST) Grant: Nutritional Epigenetics
  • 2007 EE Dalton Award (sponsored by FRST) recognising excellent research and emerging leadership of Postdoctoral scientists
  • 2006 New Zealand Institute of Agricultural and Horticultural Science (NZIAHS) Postdoctoral Award
  • 2006 New Zealand Society of Animal Production (NZSAP) Young Member Award for best oral presentation
  • 2005-2008 FRST Post-doctoral Fellowship
  • 1997-2000 The Agricultural and Marketing Research and Development Trust (AGMARDT) – PhD Scholarship
  • 1997-2000 The University of Auckland Doctoral Scholarship


Barnett, M. P. G., Bermingham, E. N., Young, W., Bassett, S. A., Hesketh, J. E., Maciel-Dominguez, A., McNabb, W. C., Roy, N. C. (2015). Low folate and selenium in the mouse maternal diet alters liver gene expression patterns in the offspring after weaning. Nutrients 7(5):3370-3386.
Bassett, S. A., Young, W., Barnett, M. P. G., Cookson, A. L., McNabb, W. C., & Roy, N. C. (2015). Changes in composition of caecal microbiota associated with increased colon inflammation in interleukin-10 gene-deficient mice inoculated with Enterococcus species. Nutrients 7(3):1798-1816.
Milan, A. M., D’Souza, R. F., Pundir, S., Pileggi, C. A., Barnett, M. P. G., Markworth, J. F., Cameron-Smith, D., & Mitchell, C. J. (2015). Older adults have delayed amino acid absorption after a high protein mixed breakfast meal. J of Nutrition and Health in Aging 01/2015; DOI:10.1007/s12603-015-0500-5.
Barnett, M. P. G., McNabb, W. C., Roy, N. C., Woodford, K. B., & Clarke, A. J. (2014). Dietary A1 β-casein affects gastrointestinal transit time, dipeptidyl peptidase-4 activity, and inflammatory status relative to A2 β-casein in Wistar rats. International Journal of Food Sciences and Nutrition 65(6). DOI:10.3109/09637486.2014.898260
Barnett, M. P. G., Cooney, J. M., Dommels, Y. E. M., Nones, K., Brewster, D. T., Park, Z., Butts, C. A., McNabb, W. C., Laing, W. A., & Roy, N. C. (2013). Modulation of colonic inflammation in Mdr1a-/- mice by green tea polyphenols and their effects on the colon transcriptome and proteome. Journal of Nutritional Biochemistry 24(10):1678-90.Cooney, J. M., Barnett, M. P. G., Brewster, D., Knoch, B., McNabb, W. C., Laing, W. A., & Roy, N. C. (2012). Proteomic analysis of colon tissue from interleukin-10 gene-deficient mice fed polyunsaturated fatty acids with comparison to transcriptomic analysis. Journal of Proteome Research 11(2):1065-1077.
Armstrong, K. M., Bermingham, E. N., Bassett, S. A., Treloar, B. P., Roy, N. C., & Barnett, M. P. (2011). Global DNA methylation measurement by HPLC using low amounts of DNA. Biotechnology Journal 6(1):113-7.
Barnett, M., Bermingham, E., McNabb, W., Bassett, S., Armstrong, K., Rounce, J., & Roy, N. (2010). Investigating micronutrients and epigenetic mechanisms in relation to inflammatory bowel disease. Mutation Research 690(1-2):71-80.
Knoch, B., Barnett, M. P. G., McNabb, W. C., Zhu, S., Park, Z. A., Khan, A., & Roy, N. C. (2010). Dietary arachidonic acid-mediated effects on colon inflammation using transcriptome analysis. Molecular Nutrition & Food Research 54 Suppl 1(S1):S62-74.Haigh, B. J., Stewart, K. W., Whelan, J. R., Barnett, M. P., Smolenski, G. A., & Wheeler, T. T. (2010). Alterations in the salivary proteome associated with periodontitis. Journal of Clinical Periodontology 37(3):241-7.
Lin, H. M., Barnett, M. P., Roy, N. C., Joyce, N. I., Zhu, S., Armstrong, K., Helsby, N. A., Ferguson, L. R., & Rowan, D. D. (2010). Metabolomic analysis identifies inflammatory and noninflammatory metabolic effects of genetic modification in a mouse model of Crohn’s disease. Journal of Proteome Research 9(4):1965-75.
Russ, A., Barnett, M., McNabb, W., Anderson, R., Reynolds, G., & Roy, N. (2010). Post-weaning effects of milk and milk components on the intestinal mucosa in inflammation. Mutation Research 690(1-2):64-70.
Roy, N. C., Barnett, M. P. G., Knoch, B., Dommels, Y. E. M., McNabb, W. C. (2007). Nutrigenomics applied to an animal model of inflammatory bowel diseases: transcriptomic analysis of the effects of eicosapentaenoic acid- and arachidonic acid-enriched diets. Mutation Research 622:103-116.