Abstract
The ability of ericoid and ectomycorrhizal fungi to utilize 14C-labelled lignin and O14CH3-labelled dehydropolymer of coniferyl alcohol as sole C sources has been assessed in pure culture studies. The results indicate that ericoid mycorrhizal fungi are more effective in degrading lignin than ectomycorrhizal fungi. Amongst the ectomycorrhizal fungi the facultative mycorrhizal fungus Paxillus involutus degraded lignin more readily than those which are normally considered to be obligately mycorrhizal fungi such as Suillus bovinus and Rhizopogon roseolus. The importance of these lignin degrading capabilities is discussed in relation to the predominance of specific mycorrhiza forms along a gradient of increasing organic matter and hence lignin content of soil.
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Haselwandter, K., Bobleter, O. & Read, D.J. Degradation of 14C-labelled lignin and dehydropolymer of coniferyl alcohol by ericoid and ectomycorrhizal fungi. Arch. Microbiol. 153, 352–354 (1990). https://doi.org/10.1007/BF00249004
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DOI: https://doi.org/10.1007/BF00249004