Journal
BIOTECHNOLOGY LETTERS
Volume 26, Issue 10, Pages 771-777Publisher
KLUWER ACADEMIC PUBL
DOI: 10.1023/B:BILE.0000025927.31028.e3
Keywords
actinomycetes; biodegradation; polyesters; poly(L-lactide); poly(L-lactide)-degrading enzyme
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The biodegradation of poly(L-lactide) (PLA) is reviewed. The important role of actinomycetes in PLA degradation is emphasized. These PLA-degrading actinomycetes belong phylogenetically to the Pseudonocardiaceae family and related genera, including Amycolatopsis, Lentzea, Streptoalloteichus, Kibdelosporangium and Saccharothrix. A PLA-degrading enzyme purified from an isolated Amycolatopsis strain-41 has substrate specificity on PLA higher than proteinase K. The application of these strains and their enzymes can be effectively used for biological treatment of plastic wastes containing PLA.
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