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Squalene and three sterols were isolated from Nannocystis exedens (Myxobacterales). The sterol content was about 0·4% of the dry weight; squalene content was in the same range. The main component was identified as cholest-8(9)-en-3β-ol. [14CMevalonate was readily incorporated into the sterols. The bacterium was not inhibited by nystatin or amphotericin B.
Köhl et al. (Wed,) studied this question.