The inhibition of bacterial cell growth by ketone bodies. 1981

N Potezny, and E R Atkinson, and A M Rofe, and R A Conyers

The effect of ketone bodies on the growth, in culture, of Escherichia coli was investigated. Both growth and glucose utilisation were inhibited in the presence of 20 mmol/l D-3-hydroxybutyrate. Lower concentrations of D-3-hydroxybutyrate caused proportionally less inhibition of growth. Acetoacetate also inhibited growth but other glycolytic inhibitors and chemical analogues of D-3-hydroxybutyrate either did not inhibit or proved to be too toxic for bacterial growth. Citrate enhanced the ketone body effect. D-3-hydroxybutyrate also inhibited the growth of Klebsiella pneumoniae, Enterobacter aerogenes, Citrobacter freundii and Salmonella typhimurium. The possible relationship between ketone body inhibition of cell growth and oxygen limitation is discussed.

UI MeSH Term Description Entries
D007651 Keto Acids Carboxylic acids that contain a KETONE group. Oxo Acids,Oxoacids,Acids, Keto,Acids, Oxo
D007657 Ketone Bodies The metabolic substances ACETONE; 3-HYDROXYBUTYRIC ACID; and acetoacetic acid (ACETOACETATES). They are produced in the liver and kidney during FATTY ACIDS oxidation and used as a source of energy by the heart, muscle and brain. Acetone Bodies,Bodies, Acetone,Bodies, Ketone
D002951 Citrates Derivatives of CITRIC ACID.
D004926 Escherichia coli A species of gram-negative, facultatively anaerobic, rod-shaped bacteria (GRAM-NEGATIVE FACULTATIVELY ANAEROBIC RODS) commonly found in the lower part of the intestine of warm-blooded animals. It is usually nonpathogenic, but some strains are known to produce DIARRHEA and pyogenic infections. Pathogenic strains (virotypes) are classified by their specific pathogenic mechanisms such as toxins (ENTEROTOXIGENIC ESCHERICHIA COLI), etc. Alkalescens-Dispar Group,Bacillus coli,Bacterium coli,Bacterium coli commune,Diffusely Adherent Escherichia coli,E coli,EAggEC,Enteroaggregative Escherichia coli,Enterococcus coli,Diffusely Adherent E. coli,Enteroaggregative E. coli,Enteroinvasive E. coli,Enteroinvasive Escherichia coli
D005947 Glucose A primary source of energy for living organisms. It is naturally occurring and is found in fruits and other parts of plants in its free state. It is used therapeutically in fluid and nutrient replacement. Dextrose,Anhydrous Dextrose,D-Glucose,Glucose Monohydrate,Glucose, (DL)-Isomer,Glucose, (alpha-D)-Isomer,Glucose, (beta-D)-Isomer,D Glucose,Dextrose, Anhydrous,Monohydrate, Glucose
D006885 Hydroxybutyrates Salts and esters of hydroxybutyric acid. Hydroxybutyric Acid Derivatives,Hydroxybutyric Acids,Acid Derivatives, Hydroxybutyric
D000090 Acetoacetates Salts and derivatives of acetoacetic acid.
D001419 Bacteria One of the three domains of life (the others being Eukarya and ARCHAEA), also called Eubacteria. They are unicellular prokaryotic microorganisms which generally possess rigid cell walls, multiply by cell division, and exhibit three principal forms: round or coccal, rodlike or bacillary, and spiral or spirochetal. Bacteria can be classified by their response to OXYGEN: aerobic, anaerobic, or facultatively anaerobic; by the mode by which they obtain their energy: chemotrophy (via chemical reaction) or PHOTOTROPHY (via light reaction); for chemotrophs by their source of chemical energy: CHEMOLITHOTROPHY (from inorganic compounds) or chemoorganotrophy (from organic compounds); and by their source for CARBON; NITROGEN; etc.; HETEROTROPHY (from organic sources) or AUTOTROPHY (from CARBON DIOXIDE). They can also be classified by whether or not they stain (based on the structure of their CELL WALLS) with CRYSTAL VIOLET dye: gram-negative or gram-positive. Eubacteria
D019343 Citric Acid A key intermediate in metabolism. It is an acid compound found in citrus fruits. The salts of citric acid (citrates) can be used as anticoagulants due to their calcium chelating ability. Citrate,Anhydrous Citric Acid,Citric Acid Monohydrate,Citric Acid, Anhydrous,Uralyt U
D020155 3-Hydroxybutyric Acid BUTYRIC ACID substituted in the beta or 3 position. It is one of the ketone bodies produced in the liver. 3-Hydroxybutyrate,beta-Hydroxybutyrate,(+ -)-3-Hydroxybutyric Acid,beta-Hydroxybutyric Acid,3 Hydroxybutyrate,3 Hydroxybutyric Acid,beta Hydroxybutyrate,beta Hydroxybutyric Acid

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