List of bacteria and their functions

tax_name food function affects Other
Acetitomaculum Ferments formate, glucose, cellobiose, fructose, and esculin to acetic acid. Oxidizes hydrogen and reduces carbon dioxide and carbon monoxide.
Akkermansia - Degrades mucin to acetate, propionate, and ethanol; anti-inflammatory; protective against autism, colon cancer and obesity
Alistipes Fats Ferments glucose to succinate (+ some acetate and propionate); produces indole
Anaerostipes Fiber Ferments glucose to butyrate (+ some acetate, formate and lactate); reduces nitrate
Anaerostipes caccae Lactate, fructose monomers Converts lactase made by Bifido into butyrate
Anaerotruncus Legumes Ferments glucose to acetate and butyrate
Bacteroides Whole grains, proteins Ferments glucose to acetate, lactate, propionate; upregulates sodium and glucose; protects against pathogenic bacteria
Barnesiella Ferments saccharose to acetate and succinate; immune regulator
Bifidobacterium Oligosaccharides Produces lactate; anti-inflammatory
Bifidobacterium adolescentis RS4
Blautia Metabolizes H2/CO2 to acetate; ferments sugars
Campylobacter associated with anxiety in mice (See Mark Lyte)
Catenibacterium Ferments glucose to acetic, lactic, butyric and isobutyric acids
Clostridium Chicken Ferments glucose to butyric acid, butanol, acetone, isopropanol and CO2 Gram-positive, form spores. Also contains many pathogenic species
Collinsella Sugars Ferments glucose to ethanol, formate, H2 and lactate; metabolizes arginine
Collinsella aerofaciens FOS
Dorea Fiber Ferments glucose to ethanol, formate, acetate, H2, and CO2
Dorea formicigenerans Spikes when there is a major change in the rest of the colon
Eubacterium Resistant starch Produces butyric, acetic, or formic acids from carbohydrates
Eubacterium rectale Carbohydrates
Faecalibacterium Legumes Produces butyrate
Fibrobacter Ferments glucose and cellulose to acetate and succinate
Flavobacterium Fish, seafood
Flavonifractor Produces butyrate and acetate
Holdemania Ferments glucose to acetic and lactic acids
Klebsiella Produces Vitamin B12
Kluyvera Sugars Ferments glucose to α-Ketoglutaric acid
Lachnospira Fiber Ferments pectin, pectic acid, fructose, and cellobiose to acetate, formate, ethanol, and CO2
Lactobacillus Sugars Produces lactate; anti-inflammatory; especially good at crowding out pathogens
Megasphaera Ferments pyruvate to acetic, propionic, butyric, and valeric acids
Methanobrevibacter Polysaccharides Recycles excess CO2 and H2 into methane (CH4); reduces sulfate Anorexic and bulemic patients have much higher levels than lean people; may also relate to constipation
Mitsuokella Ferments glucose to acetate, lactate and succinate
Parabacteroides Fiber
Phascolarctobacterium Ferments succinate to propionate
Prevotella Vegetables Metabolizes peptone-yeast extract-glucose to acetate and succinate Linked to rheumatoid arthritis (Dan Littman)
Propionibacterium associated with c-section births
Proteobacteria
Pseudobutyrivibrio Fiber Produces butyrate (+ some lactate, formate, succinate and ethanol)
Roseburia Fiber Ferments starches; ferments glucose and acetate to butyrate; immune modulator
Ruminococcus bromii RS3
Ruminococcus champanellensis Most active cellulolytic bacterium isolated from the human colon
Ruminococcus Resistant starch Ferments carbohydrates to acetate, formate, succinate, lactate, and ethanol.
Sarcina Sugars Ferments glucose to acetate, ethanol, CO2 and H2
Serratia Produce enzymes Dnase, lipase, and gelatinase Pathogen species marcescens causes nosocomial infections
Subdoligranulum Legumes Metabolizes peptone-yeast extract-glucose to butyrate and lactate
Succiniclasticum Ferments succinate to propionate
Sutterella Asaccharolytic; reduces nitrate May have implications for autism; causes tics ?
Xylanibacter Breaks down xylan and cellulose (fiber) dominant bacteroidetes in African children

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