Polyester-degrading actinomycetes isolated from the Touchien River of Taiwan |
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| Authors: | Kim-Chi Hoang Chung-Yi Lee Min Tseng Wen Shen Chu |
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| Institution: | (1) Department of Chemical and Material Engineering, Ta-Hwa Institute of Technology 1, Ta-Hwa Road, Chiung-Lin, Hsinchu, 30743, Taiwan, ROC;(2) Department of Microbiology, Soochow University, 70, Linhsi Rd., Shihlin, Taipei, Taiwan, ROC;(3) Bioresource Collection and Research Center, Food Industry Research and Development Institute, 331, Shih-Pin Rd., Hsinchu, 300, Taiwan, ROC |
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| Abstract: | Actinomycete strains were isolated from upstream and downstream regions of the Touchien River in Taiwan and screened for the
ability to degrade poly(ethylene succinate) (PES), poly(ε-caprolactone) (PCL) and/or poly(β-hydroxybutyrate) (PHB) by the
clear-zone method. Out of 305 isolates 135 isolates were PHB-degraders (44.2%), 83 isolates were PCL-decomposers (27.2%),
and 64 isolates could degrade PES (21.0%). Furthermore, 46 isolates could degrade both PHB and PCL (15%), 39 isolates could
degrade both PHB and PES (12.8%), and 12 isolates could degrade the three polyesters used in this study. Based on the appearance
of isolates, the major isolates belong to the Streptomyces genus (91.9%) and Micromonospora genus (8.1%). |
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| Keywords: | Actinomycetes Microbial degradation Polyester River |
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