Evidence for ligninolytic activity of the ascomycete fungus Podospora anserina

Table 1 Quantitative ¹³C-IS py-GC–MS structural characterization of untreated and 7 days P. anserina-treated wheat straw lignin; corrected for relative response factors and relative abundance of ¹³C analogues

Sum based on structural classification according to van Erven et al. [18, 19]. Average and standard deviation of analytical duplicates of biological triplicates. Structural features for the combined fractions weighted on the basis of the lignin mass balance
^a4-Vinylphenol. ^b4-Vinylguaiacol. ^cExcluding diketones. ^dPhenols with intact α, β, γ carbon side chain. ^ePhenols with intact α, β, γ carbon side chain, excluding diketones
Significant differences calculated by two-tailed t-test (*p < 0.05, **p < 0.01)

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