Acetate assimilation by the fission yeast, Schizosaccharomyces pombe. 1989

C S Tsai, and K P Mitton, and B F Johnson
Institute of Biochemistry, Carleton University, Ottawa, Ont., Canada.

The fission yeast Schizosaccharomyces pombe utilizes acetate at subinhibitory concentrations in the presence of D-glucose. The nonionized form of acetate is preferentially utilized, oxidized to 14CO2, and assimilated into lipids and proteins. Acetyl CoA synthetase activity greatly increases in the yeast cells grown in media containing acetate. However, glyoxylate cycle enzymes are not detectable in Schizosaccharomyces pombe. [1-14C]Acetate is incorporated into stereols, sterol esters, neutral lipids, and phospholipids. Assimilation of [1-14C]acetate into the peptide structure of proteins was confirmed by a proteolytic digestion experiment.

UI MeSH Term Description Entries
D010084 Oxidation-Reduction A chemical reaction in which an electron is transferred from one molecule to another. The electron-donating molecule is the reducing agent or reductant; the electron-accepting molecule is the oxidizing agent or oxidant. Reducing and oxidizing agents function as conjugate reductant-oxidant pairs or redox pairs (Lehninger, Principles of Biochemistry, 1982, p471). Redox,Oxidation Reduction
D011506 Proteins Linear POLYPEPTIDES that are synthesized on RIBOSOMES and may be further modified, crosslinked, cleaved, or assembled into complex proteins with several subunits. The specific sequence of AMINO ACIDS determines the shape the polypeptide will take, during PROTEIN FOLDING, and the function of the protein. Gene Products, Protein,Gene Proteins,Protein,Protein Gene Products,Proteins, Gene
D004718 Saccharomycetales An order of fungi in the phylum Ascomycota that multiply by budding. They include the telomorphic ascomycetous yeasts which are found in a very wide range of habitats. Budding Yeast,Endomycetales,Endomycopsis,Yeast, Budding,Budding Yeasts,Endomycetale,Endomycopses,Saccharomycetale,Yeasts, Budding
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
D000085 Acetates Derivatives of ACETIC ACID. Included under this heading are a broad variety of acid forms, salts, esters, and amides that contain the carboxymethane structure. Acetate,Acetic Acid Esters,Acetic Acids,Acids, Acetic,Esters, Acetic Acid
D012568 Schizosaccharomyces A genus of ascomycetous fungi of the family Schizosaccharomycetaceae, order Schizosaccharomycetales. Fission Yeast,Schizosaccharomyces malidevorans,Schizosaccharomyces pombe,Yeast, Fission,S pombe,Fission Yeasts
D050356 Lipid Metabolism Physiological processes in biosynthesis (anabolism) and degradation (catabolism) of LIPIDS. Metabolism, Lipid

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