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, 42 (10), 829-35

Fourier Transform Infrared Microscopy and Imaging: Detection of Fungi in Wood

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Fourier Transform Infrared Microscopy and Imaging: Detection of Fungi in Wood

Annette Naumann et al. Fungal Genet Biol.

Abstract

FTIR microscopy was used to detect and discriminate the two wood decaying fungi Trametes versicolor and Schizophyllum commune in experimentally infected beech wood blocks. The distribution of fungal mycelium in wood was locally resolved and semiquantitatively recorded using FTIR microscopy combined with a focal plane array detector and image analysis. Cluster analysis revealed major differences between FTIR spectra recorded from wood fibers and empty vessel lumina and spectra from mycelium of both fungal species, irrespective of whether the fungi were grown on the surface of wood or inside vessel lumina. Species-specific clustering of spectra of fungal mycelium grown on the wood surface and inside vessel lumina demonstrated the potential of FTIR microscopy to discriminate among fungal species decaying wood.

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