Journal
WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY
Volume 22, Issue 6, Pages 625-628Publisher
SPRINGER
DOI: 10.1007/s11274-005-9081-5
Keywords
extracellular; inducible; poly(vinyl alcohol); PVA-degrading enzyme; Streptomyces venezuelae
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An actinomycete strain, which could produce an extracellular poly(vinyl alcohol) (PVA)-degrading enzyme, was isolated from a PVA-contaminated soil sample using PVA as the sole carbon source. The strain was identified as Streptomyces venezuelae according to the whole-nucleotide-sequence analysis of 16S rDNA, the morphological and the physiological characteristics. The strain produced 120 U/l extracellular PVA-degrading enzyme when PVA was used as the sole carbon source. When glucose was used as the sole carbon source, however, the extracellular enzyme activity was very low (12 U/l). This is the first report showing that an actinomycete strain can produce a PVA-degrading enzyme.
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