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The two mucus layers of colon are organized by the MUC2 mucin, whereas the outer layer is a legislator of host–microbial interactions

M. Johansson,J. Larsson,G. Hansson

2010 · DOI: 10.1073/pnas.1006451107
Proceedings of the National Academy of Sciences of the United States of America · 1,341 Citations

TLDR

The observation that normal human individuals carry a uniform MUC2 mucin glycan array in colon may indicate such a specific selection of the species-specific colon flora.