Research Topics

  • Intestinal Microbiota
  • Microbe-Host-Interactions
  • Dietary Fiber
  • Colorectal Cancer
  • Healthy Ageing
  • Microbial Metabolites
  • Bile Acid Metabolism
  • Prevention of Colon Cancer

Key Publications

Ocvirk, S., Wilson, A. S., Posma, J. M., Li, J. V., Koller, K. R., Day, G. M., Flanagan, C. A., Otto, J. E., Sacco, P. E., Sacco, F. D., Sapp, F. R., Wilson, A. S., Newton, K., Brouard, F., DeLany, J. P., Behnning, M., Appolonia, C. N., Soni, D., Bhatti, F., Methe, B., Fitch, A., Morris, A., Gaskins, H. R., Kinross, J., Nicholson, J. K., Thomas, T. K., O’Keefe, S. J. D.: A prospective cohort analysis of gut microbial co-metabolism in Alaska Native and rural African people at high and low risk of colorectal cancer. Am. J. Clin. Nutr. 111(2), 406–419 (2020).

Katsidzira, L., Ocvirk, S., Wilson, A., Li, J., Mahachi, C. B., Soni, D., DeLany, J., Nicholson, J. K., Zoetendal, E. G., O’Keefe, S. J. D.: Differences in fecal gut microbiota, short-chain fatty acids and bile acids link colorectal cancer risk to dietary changes associated with urbanization among Zimbabweans. Nutr. Cancer. 71, 1313-1324 (2019).

Ocvirk S., O’Keefe S. J. D.: Influence of Bile Acids on Colorectal Cancer Risk: Potential Mechanisms Mediated by Diet - Gut Microbiota Interactions. Curr. Nutr. Rep. 6(4), 315–22 (2017).