1887

Abstract

The accumulation of 4-desmethyl and 4,4-dimethyl sterols, as well as the triterpenoid -amyrin, was analysed during both exponential and stationary phases of growth. Throughout growth, the amount of 4-desmethyl sterol was proportional to the cellular dry weight, while the dimethyl sterols and -amyrin stopped accumulating after day 2. The sterols were found primarily as the free alcohol and not as fatty acid esters, the glycosides, or acyl glycosides. The amount of -amyrin in stationary phase cultures was affected by the concentrations of Mgand Cu.

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/content/journal/micro/10.1099/00221287-131-2-279
1985-02-01
2022-01-28
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