[Effect of the cultivation conditions on alkaloid biosynthesis by Penicillium gorlenkoanum]. 1984

L N Stefanova-Avramova, and A G Kozlovskiĭ

The effect of a carbohydrate component of the medium, trace elements and aeration on biosynthesis of the alkaloids costaclavine and epicostaclavine was studied with Penicillium gorlenkoanum. Alkaloid biosynthesis was shown to depend on the nature of a carbohydrate component: virtually no alkaloids were accumulated in media with glucose and fructose although these were synthesized at a high rate in a medium with mannitol. The quantity of synthesized alkaloids and the dynamics of the biosynthesis depended on carbohydrate concentration. The growth and alkaloid synthesis were influenced by traces of zinc, iron, copper and manganese. A more intensive aeration stimulated biomass accumulation but suppressed alkaloid biosynthesis.

UI MeSH Term Description Entries
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
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
D004873 Ergolines A series of structurally-related alkaloids that contain the ergoline backbone structure. Ergoline
D000332 Aerobiosis Life or metabolic reactions occurring in an environment containing oxygen. Aerobioses
D000470 Alkaloids Organic nitrogenous bases. Many alkaloids of medical importance occur in the animal and vegetable kingdoms, and some have been synthesized. (Grant & Hackh's Chemical Dictionary, 5th ed) Alkaloid,Plant Alkaloid,Plant Alkaloids,Alkaloid, Plant,Alkaloids, Plant
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor
D014131 Trace Elements A group of chemical elements that are needed in minute quantities for the proper growth, development, and physiology of an organism. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Biometal,Biometals,Trace Element,Trace Mineral,Trace Minerals,Element, Trace,Elements, Trace,Mineral, Trace,Minerals, Trace
D050260 Carbohydrate Metabolism Cellular processes in biosynthesis (anabolism) and degradation (catabolism) of CARBOHYDRATES. Metabolism, Carbohydrate

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