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Table 1 The relative abundance of bacteria in a healthy and Crohn's disease microbiome

From: Transcriptomics to study the effect of a Mediterranean-inspired diet on inflammation in Crohn's disease patients

Bacterial phyla 'Healthy’ microbiome (%) 'Crohn's disease’ microbiome
Bacteroidetes Approximately 25 Decreased expression
Firmicutes Approximately 65 Decreased expression in Clostridium clusters IV and XIVa and increased expression in Bacillus
Actinobacteria Approximately 5  
Proteobacteria Approximately 8 Increased expression
Fusobacteria Approximately 1  
Verrucomicrobia Approximately 2