Actinomycetes in rice straw decomposition

Actinomycetes are well known as lignocellulose decomposers. Forty-two cellulolytic actinomycete isolates have been recovered from soil. Those were identified to the genus level as: Streptomyces (26 isolates), Nocardiopsis (5 isolates), Micromonospora (4 isolates), Nocardioides (4 isolates) in additi...

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Bibliographic Details
Published in:Waste management (Elmsford) 2007, Vol.27 (6), p.850-853
Main Authors: Abdulla, Hesham M., El-Shatoury, Sahar A.
Format: Article
Language:English
Subjects:
Actinobacteria - classification
Actinobacteria - metabolism
Applied sciences
Biodegradation, Environmental
Exact sciences and technology
Oryza - metabolism
Other wastes and particular components of wastes
Plant Stems - metabolism
Pollution
Wastes
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Summary:Actinomycetes are well known as lignocellulose decomposers. Forty-two cellulolytic actinomycete isolates have been recovered from soil. Those were identified to the genus level as: Streptomyces (26 isolates), Nocardiopsis (5 isolates), Micromonospora (4 isolates), Nocardioides (4 isolates) in addition to three isolates tentatively identified as Nocardia, Kibdelosporangium and Saccharomonospora. These actinomycetes were examined for their cellulolytic activity using filter paper strips and rice straw pieces. Four isolates of the four genera Kibdelosporangium, Micromonospora, Streptomyces and Nocardioides were able to efficiently degrade rice straw pieces in minimal medium causing significant weight loss between 50 and 61%. Application of this knowledge may improve the management of waste rice straw.
ISSN:0956-053X
1879-2456
DOI:10.1016/j.wasman.2006.06.006