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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Biotransformation of biarylic compounds by yeasts of the genus trichosporon.

The biotransformation of biphenyl, dibenzofuran, and diphenyl ether by 24 strains belonging to 18 species of the genus Trichosporon was investigated to assess the taxonomic relevance of this property at species and genus level. With the exceptions of T. brassicae and T. porosum CBS 2040, all other strains were able to transform the parent compounds to monohydroxylated intermediates. A second hydroxylation on the same aromatic ring was carried out by fewer strains and depended on the substrate. It appears that this step is the rate-limiting one in the biotransformation of the biarylic compounds tested. Ring fission of dihydroxylated derivatives of biphenyl was observed within 12 species. The aromatic ring system of dihydroxylated dibenzofuran was cleaved by strains of 5 species, while strains of 13 species were able to cleave the aromatic ring system of dihydroxylated diphenyl ether. Only 4 strains out of 18 species were able to cleave the aromatic ring system of all three parent compounds. These most active yeasts belong to the species T. coremiiforme, T. montevideense, T. mucoides, and T. sporotrichoides. In addition, strains of the species Cryptococcus curvatus and Cryptococcus humicola, closely related to the genus Trichosporon, were tested in parallel.[1]

References

  1. Biotransformation of biarylic compounds by yeasts of the genus trichosporon. Sietmann, R., Hammer, E., Schauer, F. Syst. Appl. Microbiol. (2002) [Pubmed]
 
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