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Evidence for cleavage of lignin by a brown rot basidiomycete
Abstract
Summary: Biodegradation by brown‐rot fungi is quantitatively one of the most important fates of lignocellulose in nature. It has long been thought that these basidiomycetes do not degrade lignin significantly, and that their activities on this abundant aromatic biopolymer are limited to minor oxidative modifications. Here we have applied a new technique for the complete solubilization of lignocellulose to show, by one‐bond 1 H‐ 13 C correlation nuclear magnetic resonance spectroscopy, that brown rot of spruce wood by Gloeophyllum trabeum resulted in a marked, non‐selective depletion of all intermonomer side‐chain linkages in the lignin. The resulting polymer retained most of its original aromatic residues and was probably interconnected by new linkages that lack hydrogens and are consequently invisible in one‐bond 1 H‐ 13 C correlation spectra. Additional work is needed to characterize these linkages, but it is already clear that the aromatic polymer remaining after extensive brown rot is no longer recognizable as lignin.
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Cited by
Martinez, D., Challacombe, J., Morgenstern, I., Hibbett, D., Schmoll, M., Kubicek, C. P., Ferreira, P., Ruiz-Duenas, F. J., Martinez, A. T., Kersten, P., et al. (2009) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.0809575106 · Cited by 580
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Impact of wheat straw decomposition on successional patterns of soil microbial community structure.
Bastian, F., Bouziri, L., Nicolardot, B., & Ranjard, L. (2009) · Soil Biology and Biochemistry · doi:10.1016/j.soilbio.2008.10.024 · Cited by 433
van der Wal, A., Geydan, T. D., Kuyper, T. W., & de Boer, W. (2013) · FEMS Microbiology Reviews · doi:10.1111/1574-6976.12001 · Cited by 404
Fungal Biodegradation of Lignocelluloses
Hatakka, A., & Hammel, K. E. (2011) · Industrial Applications · doi:10.1007/978-3-642-11458-8_15 · Cited by 283
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Metadata
- Authors
- Yelle, D. J., Ralph, J., Lu, F., & Hammel, K. E.
- Venue
- Environmental Microbiology
- Publisher
- Wiley
- Published
- 2008-03-23
- Volume
- 10
- Issue
- 7
- Pages
- 1844-1849
- ISSN
- 1462-2912 (ISSN-L)
- 1462-2920
- OpenAlex
- W2166313939
- Cited by
- 316
- References
- 0
- FWCI
- 6.61
- Type
- journal article
- Language
- en
- Open access
- closed
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- Yelle, D. J., Ralph, J., Lu, F., & Hammel, K. E. (2008). Evidence for cleavage of lignin by a brown rot basidiomycete. Environmental Microbiology. https://doi.org/10.1111/j.1462-2920.2008.01605.x
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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