In vivo investigation of chemical alteration in oak wood decayed by Pleurotus ostreatus

Decayed wood samples were collected from naturally infected oak (Quercus castaneifolia C.A.M.). Fruiting bodies of the basidiomycete white-rot fungus Pleurotus ostreatus were identified morphologically and confirmed with rDNA ITS sequencing. Cellulose and lignin compositions were determined and FT-I...

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Bibliographic Details
Published in:International biodeterioration & biodegradation 2016-03, Vol.108, p.127-132
Main Authors: Karim, Maryam, Daryaei, Mehrdad Ghodskhah, Torkaman, Javad, Oladi, Reza, Ghanbary, Mohammad Ali Tajick, Bari, Ehsan
Format: Article
Language:English
Subjects:
Basidiomycetes
Cellulose
Chemical analysis
Decay
Fourier transforms
FT-IR analysis
In vivo methods and tests
Infrared spectroscopy
Microscopy
Natural infection
Oak
Oak wood
Pleurotus ostreatus
Quercus
Spectra
Wood
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Summary:Decayed wood samples were collected from naturally infected oak (Quercus castaneifolia C.A.M.). Fruiting bodies of the basidiomycete white-rot fungus Pleurotus ostreatus were identified morphologically and confirmed with rDNA ITS sequencing. Cellulose and lignin compositions were determined and FT-IR spectroscopy was used to collect spectra from decayed and un-decayed wood samples. Histological aspects of decay were monitored by light microscopy. The results of the chemical analysis indicated that P. ostreatus decayed both cellulose and lignin in similar quantities. FT-IR analysis and microscopic images demonstrated that P. ostreatus exhibited simultaneous white-rot in naturally infected oak samples. •The aim of this study was determination of behavior of white-rot fungus Pleurotus ostreatus in natural conditions.•The chemically analysis of oak wood decayed by P. ostreatus carried out in natural conditions.•Fungi identification of infected oak wood was done in vivo.
ISSN:0964-8305
1879-0208
DOI:10.1016/j.ibiod.2015.12.012