Microbial Ecology

, Volume 48, Issue 3, pp 331–337

Production of Wood Decay Enzymes, Loss of Mass, and Lignin Solubilization in Wood by Diverse Tropical Freshwater Fungi

  • V.V.C. Bucher
  • S.B. Pointing
  • K.D. Hyde
  • C.A. Reddy
Article

DOI: 10.1007/s00248-003-0132-x

Cite this article as:
Bucher, V., Pointing, S., Hyde, K. et al. Microb Ecol (2004) 48: 331. doi:10.1007/s00248-003-0132-x

Abstract

In vitro production of cellulase and xylanase was common among diverse freshwater ascomycetes and their hyphomycetous anamorphs. Production of enzymes involved in lignin degradation was rare. Most isolates were capable of causing mass loss in angiosperm wood, although values were low, at ~10% during a 24-week period. A few isolates caused higher mass loss of up to 26.5%, and five of these were shown to solubilize significant amounts of lignin. This is the first report of lignin solubilization by freshwater fungi. Torula herbarum (hyphomycete) and Ophioceras dolichostomum (ascomycete) produced indices of lignin solubilization equivalent to those of terrestrial white-rot basidiomycetes. In all cases wood decay was 2.2- to 3-fold higher in exposed rather than submerged conditions.

Copyright information

© Springer-Verlag 2004

Authors and Affiliations

  • V.V.C. Bucher
    • 1
  • S.B. Pointing
    • 1
  • K.D. Hyde
    • 1
  • C.A. Reddy
    • 2
  1. 1.Department of Ecology and BiodiversityThe University of Hong KongHong KongPeople’s Republic of China
  2. 2.Department of Microbiology and Molecular Genetics, and NSF Center for Microbial EcologyMichigan State UniversityEast LansingUSA