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Inhibitory action of palmitic acid on the growth of Saccharomyces cerevisiae. 1993

E C Dell'Angelica, and C A Stella, and M R Ermácora, and J A Santomé, and E H Ramos
Instituto de Química y Fisicoquímica Biológicas (UBA-CONICET), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Argentina.

High concentrations of long-chain fatty acids have been found to be harmful to mammalian cells and prokaryotic organisms. This effect was investigated in Saccharomyces cerevisiae. Addition of 3 mmol/L palmitate to a yeast extract-peptone medium caused a significant inhibition of cell growth during the first 2 d of incubation, followed by renewed growth and palmitate utilization. Inhibition was also observed with palmitate concentrations down to 0.1 mmol/L. As inferred from catalase activity determinations, this effect was found to correlate with the absence of peroxisome proliferation. Finally, no inhibition was observed in exponential-phase cultures or in the presence of 0.1 g/L glucose, this suggesting that the physiological state of the cell may determine whether its growth will be inhibited by fatty acids.

UI MeSH Term Description Entries
D008830 Microbodies Electron-dense cytoplasmic particles bounded by a single membrane, such as PEROXISOMES; GLYOXYSOMES; and glycosomes. Glycosomes,Glycosome,Microbody
D010169 Palmitic Acids A group of 16-carbon fatty acids that contain no double bonds. Acids, Palmitic
D002374 Catalase An oxidoreductase that catalyzes the conversion of HYDROGEN PEROXIDE to water and oxygen. It is present in many animal cells. A deficiency of this enzyme results in ACATALASIA. Catalase A,Catalase T,Manganese Catalase,Mn Catalase
D003470 Culture Media Any liquid or solid preparation made specifically for the growth, storage, or transport of microorganisms or other types of cells. The variety of media that exist allow for the culturing of specific microorganisms and cell types, such as differential media, selective media, test media, and defined media. Solid media consist of liquid media that have been solidified with an agent such as AGAR or GELATIN. Media, Culture
D005227 Fatty Acids Organic, monobasic acids derived from hydrocarbons by the equivalent of oxidation of a methyl group to an alcohol, aldehyde, and then acid. Fatty acids are saturated and unsaturated (FATTY ACIDS, UNSATURATED). (Grant & Hackh's Chemical Dictionary, 5th ed) Aliphatic Acid,Esterified Fatty Acid,Fatty Acid,Fatty Acids, Esterified,Fatty Acids, Saturated,Saturated Fatty Acid,Aliphatic Acids,Acid, Aliphatic,Acid, Esterified Fatty,Acid, Saturated Fatty,Esterified Fatty Acids,Fatty Acid, Esterified,Fatty Acid, Saturated,Saturated Fatty Acids
D012441 Saccharomyces cerevisiae A species of the genus SACCHAROMYCES, family Saccharomycetaceae, order Saccharomycetales, known as "baker's" or "brewer's" yeast. The dried form is used as a dietary supplement. Baker's Yeast,Brewer's Yeast,Candida robusta,S. cerevisiae,Saccharomyces capensis,Saccharomyces italicus,Saccharomyces oviformis,Saccharomyces uvarum var. melibiosus,Yeast, Baker's,Yeast, Brewer's,Baker Yeast,S cerevisiae,Baker's Yeasts,Yeast, Baker
D019308 Palmitic Acid A common saturated fatty acid found in fats and waxes including olive oil, palm oil, and body lipids. Hexadecanoic Acid,Calcium Palmitate,Sodium Palmitate,Acid, Hexadecanoic,Acid, Palmitic,Palmitate, Calcium,Palmitate, Sodium

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