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Studies on the biochemistry of Penicillium charlesii. Influence of various dicarboxylic acids on galactocarolose synthesis. 1966

J M Jordan, and J E Gander

1. It has been shown that Penicillium charlesii continues to synthesize galactocarolose when l-malic acid, malonic acid, succinic acid, fumaric acid, maleic acid or oxaloglycollic acid is substituted for dl-tartaric acid in the Raulin-Thom nutrient medium. 2. The quantity of galactocarolose synthesized per g. of mycelia was markedly decreased by substitution of l-malic acid, malonic acid, succinic acid, fumaric acid or maleic acid for dl-tartaric acid. Substitution of oxaloglycollic acid for dl-tartaric acid did not depress the galactocarolose synthesized/g. of mycelia; however, the quantity of fungal mass formed was decreased approximately fivefold. 3. Based upon (14)C incorporation into galactocarolose, succinic acid, fumaric acid or malonic acid did not serve as direct precursors of galactose as did tartaric acid. Oxaloglycollic acid, l-malic acid and maleic acid were not tested. 4. The relative quantity of galactocarolose synthesized per g. of mycelia decreased as the concentration of diammonium dicarboxylate added to the growth medium was increased. Tartaric acid, oxaloglycollic acid, fumaric acid and malonic acid were tested. 5. The quantity of mycelia formed and the quantity of galactocarolose synthesized per g. of mycelia were greater when the growth medium contained l-tartrate than when it contained d-tartrate.

UI MeSH Term Description Entries
D008293 Malates Derivatives of malic acid (the structural formula: (COO-)2CH2CHOH), including its salts and esters.
D008298 Maleates Derivatives of maleic acid (the structural formula (COO-)-C
D008314 Malonates Derivatives of malonic acid (the structural formula CH2(COOH)2), including its salts and esters.
D010407 Penicillium A mitosporic Trichocomaceae fungal genus that develops fruiting organs resembling a broom. When identified, teleomorphs include EUPENICILLIUM and TALAROMYCES. Several species (but especially PENICILLIUM CHRYSOGENUM) are sources of the antibiotic penicillin. Penicilliums
D011134 Polysaccharides Long chain polymeric CARBOHYDRATES composed of MONOSACCHARIDES linked by glycosidic bonds. Glycan,Glycans,Polysaccharide
D002247 Carbon Isotopes Stable carbon atoms that have the same atomic number as the element carbon but differ in atomic weight. C-13 is a stable carbon isotope. Carbon Isotope,Isotope, Carbon,Isotopes, Carbon
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
D003998 Dicarboxylic Acids Acyclic acids that contain two carboxyl groups and have the formula HO2C-R-CO2H, where R may be an aromatic or aliphatic group. Acids, Dicarboxylic
D005650 Fumarates Compounds based on fumaric acid. Fumarate,Fumaric Acid Ester,Fumaric Acid Esters,Fumarate Esters,Acid Ester, Fumaric,Acid Esters, Fumaric,Ester, Fumaric Acid,Esters, Fumarate,Esters, Fumaric Acid
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

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