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Additional nine diverse bioactive compounds were reported: 6-prenyl-indole-3-acetonitrile (<jats:bold>3<\/jats:bold>), sitosteryl-3<jats:italic>\u03b2<\/jats:italic>-<jats:sc>d<\/jats:sc>-glucoside, campesterol, ferulic acid, linoleic acid methyl ester, linoleic acid,<jats:italic>N<\/jats:italic>-acetylanthranilic acid, indole 3-acetic acid methyl ester, indole 3-carboxylic acid, and adenosine. Structure<jats:bold>1<\/jats:bold>was confirmed by in-depth NMR studies and by mass spectra, and comparison with related literature data. The antimicrobial activity of the strain extract and compounds<jats:bold>1<\/jats:bold>and<jats:bold>2<\/jats:bold>were studied using a panel of pathogenic microorganisms. The in vitro cytotoxicity of compounds<jats:bold>1<\/jats:bold>and<jats:bold>2<\/jats:bold>as well as the crude extract were tested against the human cervix carcinoma cell line (KB-3-1).<\/jats:p>","DOI":"10.1515\/znc-2017-0140","type":"journal-article","created":{"date-parts":[[2017,10,21]],"date-time":"2017-10-21T10:02:35Z","timestamp":1508580155000},"page":"49-57","source":"Crossref","is-referenced-by-count":25,"title":["<i>N<\/i>-Acetylborrelidin B: a new bioactive metabolite from<i>Streptomyces mutabilis<\/i>sp. 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