Cytochrome P450 Complement May Contribute to Niche Adaptation in Wood-Decay Fungi.

J Fungi (Basel)

Faculty of Science, Engineering and Computing, Kingston University, Kingston-Upon-Thames KT1 2EE, UK.

Published: March 2022

wood-decay fungi occupy a diverse range of natural and man-made ecological niches. is a forest-floor generalist with global coverage and strong antagonistic ability, while closely related species contains specialist sister strains with widely differing ecologies. var. is a forest-floor specialist in terms of resource preference and geographic coverage, while var. has successfully invaded the built environment and occupies a building-timber niche. To increase understanding of the cellular machinery required for niche adaptation, a detailed study of the P450 complement of these three strains was undertaken. Cytochrome P450 monooxygenases are present in all fungi and typically seen in high numbers in wood decay species, with putative roles in breakdown of plant extractives and lignocellulose metabolism. Investigating the genomes of these related yet ecologically diverse fungi revealed a high level of concordance in P450 complement, but with key differences in P450 family representation and expression during growth on wood, suggesting P450 proteins may play a role in niche adaptation. Gene expansion of certain key P450 families was noted, further supporting an important role for these proteins during wood decay. The generalist species was found to have the most P450 genes with the greatest family diversity and the highest number of P450 protein families expressed during wood decay.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8949155PMC
http://dx.doi.org/10.3390/jof8030283DOI Listing

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