Biodegradation of indole at high concentration by persolvent fermentation with the thermophilic fungus Sporotrichum thermophile

Christakopoulos, Paul (author)

(creator_code:org_t)

Elsevier BV, 2007
2007
English.
In: International Biodeterioration & Biodegradation. - : Elsevier BV. - 0964-8305 .- 1879-0208. ; 60:4, s. 267-272

Related links:: https://urn.kb.se/re...; show more...; https://doi.org/10.1...; show less...

Abstract Subject headings

Indole and its derivatives form a class of toxic recalcitrant environmental pollulants. Sporotrichum thermophile was grown in a persolvent fermentation system containing a large amount of indole. The medium contained up to 20% by volume soybean oil and up to 2 g L−1 indole. Most of the indole was partitioned in the organic solvent layer. When the organism was grown in the medium containing indole at 1 g L−1, indole was totally consumed after 6 days. Under a fed–batch fermentation process where daily batches of indole (1 g L−1) supplemented the microbial culture for 4 days, the biodegradation level was 3.0 g L−1. These values make this process promising and worthy of further investigation for the microbial degradation of other toxic compounds.

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