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Applied and Environmental Microbiology, November 2008, p. 7080-7084, Vol. 74, No. 22
0099-2240/08/$08.00+0     doi:10.1128/AEM.01092-08
Copyright © 2008, American Society for Microbiology. All Rights Reserved.

Cellulose Degradation by Micromonosporas Recovered from Freshwater Lakes and Classification of These Actinomycetes by DNA Gyrase B Gene Sequencing{triangledown}

Alexandre B. de Menezes, Robert J. Lockhart, Michael J. Cox, Heather E. Allison, and Alan J. McCarthy*

Microbiology Research Group, School of Biological Sciences, University of Liverpool, Liverpool, Merseyside L69 7ZB, United Kingdom

Received 15 May 2008/ Accepted 17 September 2008

A number of Micromonospora strains isolated from the water column, sediment, and cellulose baits placed in freshwater lakes were shown to be able to degrade cellulose in lake water without any addition of nutrients. A selective isolation method was also developed to demonstrate that CFU arose from both spores and hyphae that inhabit the lake environment. Gyrase B gene sequencing performed on the isolates identified a number of new centers of variation within Micromonospora, but the most actively cellulolytic strains were recovered in a single cluster that equated with the type species of the genus, M. chalcea.

* Corresponding author. Mailing address: School of Biological Sciences, Biosciences Building, University of Liverpool, Crown Street, Liverpool, Merseyside L69 7ZB, United Kingdom. Phone: 44 151 7954574. Fax: 44 151 7954410. E-mail: aj55m{at}liverpool.ac.uk

{triangledown} Published ahead of print on 26 September 2008.

Applied and Environmental Microbiology, November 2008, p. 7080-7084, Vol. 74, No. 22
0099-2240/08/$08.00+0     doi:10.1128/AEM.01092-08
Copyright © 2008, American Society for Microbiology. All Rights Reserved.





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