Summary
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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Acknowledgement
This work was financially supported by the High-Technology Research and Development Program (contract No. 2003AA322050), Ministry of Science and Technology, P. R. China.
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Zhang, Y., Li, Y., Shen, W. et al. A new strain, Streptomyces venezuelae GY1, producing a poly(vinyl alcohol)-degrading enzyme . World J Microbiol Biotechnol 22, 625–628 (2006). https://doi.org/10.1007/s11274-005-9081-5
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DOI: https://doi.org/10.1007/s11274-005-9081-5