Figure 4

Ileal and colonic L cells respond fast to colonization by unfractionated microbiota. (a) Hierarchical clustering dendrogram of whole-transcriptome expression profiles obtained using DNA microarrays. (b) Venn diagram showing the number of significantly altered genes in D1 versus GF, D3 versus D1 and D7 versus D3 comparisons in Lpos populations from ileum and colon.