FIG. 26.24 Diet and the intestinal microbiota. Studies of gut bacteria in children from (a) rural Africa and (b) Western Europe show markedly different communities. Source: Data from C. De Filippo, D. Cavalieri, M. Di Paola, M. Ramazzotti, J. B. Poullet, S. Massart, S. Collini, G. Pieraccini, and P. Lionetti, 2010, “Impact of Diet in Shaping Gut Microbiota Revealed by a Comparative Study in Children from Europe and Rural Africa,” Proceedings of the National Academy of Sciences USA 107(33):14693, doi:10.1073/pnas.1005963107.