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Influence of the Nutrients on the Biomass and Pigment Production of Chlorociboria aeruginascens

1
Faculty of Mechanical Science and Engineering, Institute of Natural Materials Technology, Technische Universität Dresden, Chair of Wood Technology and Fibre Materials Technology, 01069 Dresden, Germany
2
Faculty of Mechanical Science and Engineering, Institute of Natural Materials Technology, Technische Universität Dresden, Chair of Bioprocess Engineering, 01069 Dresden, Germany
*
Author to whom correspondence should be addressed.
J. Fungi 2019, 5(2), 40; https://doi.org/10.3390/jof5020040
Received: 28 March 2019 / Revised: 13 May 2019 / Accepted: 14 May 2019 / Published: 16 May 2019
(This article belongs to the Special Issue Fungal Polyketides and Other Secondary Metabolites)
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Abstract

The blue-green pigment xylindein, produced by the soft rot fungus Chlorociboria aeruginascens, is of considerable interest for various applications such as the veneer industry or organic semiconductors. The studies presented were performed in order to understand the fungal growth as well as the pigment production of C. aeruginascens. Therefore, various nutrient compositions were investigated. As a result, observations of the formation of xylindein through C. aeruginascens decoupling from growth were made. In the primary metabolism the uncolored biomass is formed. Various carbohydrates were determined as nutrients for the fungus and as a nitrogen source it was observed that the fungus prefers the complex organic nitrogen source, that being yeast extract. Furthermore, it was discovered that the ratio between carbohydrate and nitrogen sources encourages the switch of the metabolism and therewith the production of the blue-green pigment xylindein. View Full-Text
Keywords: Chlorociboria aeruginascens; xylindein; fungal pigments; fungal growth conditions; fungal polyketides; nitrogen limitation Chlorociboria aeruginascens; xylindein; fungal pigments; fungal growth conditions; fungal polyketides; nitrogen limitation
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Stange, S.; Steudler, S.; Delenk, H.; Werner, A.; Walther, T.; Wagenführ, A. Influence of the Nutrients on the Biomass and Pigment Production of Chlorociboria aeruginascens. J. Fungi 2019, 5, 40.

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