The effect of temperature and culture medium on the degradative activity of Phanerochaete chrysosporium evaluated using three qualitative screening methods

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Abstract

The lignin-degrading ability of Phanerochaete chrysosporium (1547) and (1556) is well established and thus qualitative screening tests for lignin degradation should indicate that they are capable of carrying out this function. In this report we show the high degree of dependence of these qualitative screening methods on temperature and, more importantly, growth medium. Under certain conditions such qualitative screening tests utilising gallic acid, guaiacol and Remazol brilliant blue R will give reactions that would suggest that these two white-rot fungal strains are not lignin degraders.

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