Anaerotruncus colihominis/massiliensis

Optimal Result: 0 - 20000000 CFU/g stool.

The genus Anaerotruncus includes species Anaerotruncus colihominis and Anaerotruncus massiliensis.

A. colihominis hominis is a butyrate and acetate producer.

Abundance is associated with higher bacterial gene richness in the gut a.

A. colihominis is increased in healthy individuals and presumed to be anti-inflammatory.

There is an inverse correlation with high BMI and elevated serum triglycerides in older Amish adults.

There is an inverse relationship with A. colihominis abundance and cognitive function scores in patients with Alzheimer's disease.

Anaerotruncus massiliensis is a newly identified strain similar to A. colihominis. They both ferment amino acids and carbohydrates and are mucin degraders.

References:

Lawson PA, Song Y, Liu C, et al. Anaerotruncus colihominis gen. nov., sp. nov., from human faeces. Int J System Evolut Microbiol. 2004;54(Pt 2):413-417.

Le Chatelier E, Nielsen T, Qin J, et al. Richness of human gut microbiome correlates with metabolic markers. Nature. 2013;500(7464):541-546.

Satokari R, Fuentes S, Mattila E, Jalanka J, de Vos WM, Arkkila P. Fecal transplantation treatment of antibiotic-induced, noninfectious colitis and long-term microbiota follow-up. Case Rep Med. 2014;2014:913867.

Zupancic ML, Cantarel BL, Liu Z, et al. Analysis of the gut microbiota in the old order Amish and its relation to the metabolic syndrome. PloS one. 2012;7(8):e43052.

Jeong S, Huang LK, Tsai MJ, et al.Cognitive Function Associated with Gut Microbial Abundance in Sucrose and S-Adenosyl-L-Methionine (SAMe) Metabolic Pathways. JAD. 2022;87(3):1115-1130.

Togo AH, Diop A, Dubourg G, et al. Anaerotruncus massiliensis sp. nov., a succinate-producing bacterium isolated from human stool from an obese patient after bariatric surgery. New Microb New Infect. 2019;29:100508.

Togo AH, Valero R, Delerce J , Raoult D, Million M. “Anaerotruncusmassiliensis,” a new species identified from human stool from an obese patient after bariatric surgery. New Microb New Infect. 2016;14:56-57.

Raimondi S, Musmeci E, Candeliere F, Amaretti A, Rossi M. Identification of mucin degraders of the human gut microbiota. Sci Rep. 2021;11(1):11094.

Baileen M, Bressa C, Martinez-Lopez S, et al. Microbiota Features Associated With a High-Fat/Low-Fiber Diet in Healthy Adults. Front Nutr. 2020;7:583608.

Shikany JM, Demmer RT, Johnson AJ, et al. Association of dietary patterns with the gut microbiota in older, community-dwelling men. Am J Clin Nutr. 2019;110(4):1003-1014.

What does it mean if your Anaerotruncus colihominis/massiliensis result is too high?

Anaerotruncus abundance is associated with high saturated fat consumption in a study on healthy individuals. In a study on older men, adherence to a western diet is associated with higher relative abundance of several bacteria, including the genus Anaerotruncus.

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