Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/7845
Title: Metabolic and Genetic Diversity of Mesophilic and Thermophilic Bacteria Isolated from Composted Municipal Sludge on Poly-e-caprolactones
Authors: Tiago, Igor 
Teixeira, Isabel 
Si1va, Sílvia 
Chung, Paula 
Veríssimo, António 
Manaia, Célia M. 
Issue Date: 2004
Citation: Current Microbiology. 49:6 (2004) 407-414
Abstract: Thirty mesophilic and thermophilic bacteria were isolated from thermobiotically digested sewage sludge in culture medium supplemented with poly-e-caprolactone (PCL). The ability of each purified isolate to degrade PCL and to produce polymer-degrading extracellular enzymes was assessed. Isolates were characterized based on random amplified polymorphic DNA (RAPD), 16S rDNA sequence-based phylogenetic affiliation and carbohydrate-based nutritional versatility. Mesophilic isolates with ability to degrade PCL were attributed to the genera Acinetobacter, Burkholderia, Pseudomonas, and Staphylococcus. Thermophilic isolates were members of the genus Bacillus. Despite the restricted phylogenetic and genotypic diversity observed for thermophiles, their metabolic versatility and wide range of growth temperatures suggest an important activity of these organisms during the whole composting process.
URI: http://hdl.handle.net/10316/7845
DOI: 10.1007/s00284-004-4353-0
Rights: openAccess
Appears in Collections:FCTUC Ciências da Vida - Artigos em Revistas Internacionais

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