alexa Metabolomic differential display analysis of the white-rot basidiomycete Phanerochaete chrysosporium grown under air and 100\% oxygen.
Microbiology

Microbiology

Journal of Microbial & Biochemical Technology

Author(s): Miura D, Tanaka H, Wariishi H

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Abstract When the cultural atmosphere of the white-rot basidiomycete, Phanerochaete chrysosporium, was changed from air to 100\% oxygen, the lyophilized mycelial weight increased and thickening of extracellular glucan layer was observed in 2-3 days. To better understand the oxygen-stress responsive mechanism of P. chrysosporium, the metabolomic differential display analysis was performed using metabolites isolated from fungal cells grown under either air or 100\% O(2) atmosphere. In the GC-MS total ion chromatogram of methanol-extracts from fungal cells, at least 183 peaks were detected and 53 compounds were identified. Among them, veratryl alcohol (VA), threonate, and erythronate were identified as oxygen-stress responsive metabolites. The intracellular concentration of VA increased dramatically within 1 h after an oxygen purge, indicating that VA production is sensitive to the oxygen stress in P. chrysosporium. This article was published in FEMS Microbiol Lett and referenced in Journal of Microbial & Biochemical Technology

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