The abundance of Parabacteroides spp., major anaerobic producers of acetate and succinate is increased with a high fat diet and is positively correlated with body weight. Parabacteroides spp., along with certain Bacteroides spp., have been shown to distinguish healthy adults from patients with irritable bowel syndrome or ulcerative colitis. Reduced abundance of this group of bacteria has also been linked to Crohn’s disease in children. Parabacteroides spp. has been found to be less abundant in patients with multiple sclerosis.
Parabacteroides johnsonii
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