Characterization of a mesophilic actinobacteria that degrades poly(butylene adipate-co-terephthalate)

This study provides information to better understand the biodegradation mechanism of poly(butylene adipate-co-terephthalate) under mild conditions such as in fields

Phouvilay Soulenthone; Yuya Tachibana; Fumihiro Muroi; Miwa Suzuki; Nariaki Ishii; Yukari Ohta; Ken-ichi Kasuya

2020

Scholarcy highlights

  • An aliphatic aromatic copolyester, poly(butylene adipate-co-terephthalate) is a chemically synthetic and biodegradable polymer that exhibits good mechanical properties, similar to those of low-density polyethylene, and can be a replacement for LDPE as biodegradable mulch films in the agricultural field
  • Biodegradability of PBAT is stable at high temperature conditions such as compost environments compared to mild temperature conditions such as soil environments
  • A PBAT-degrading bacterium isolated from a soil environment, designated as strain NKCM 2511, was studied in detail
  • Based on biochemical oxygen demand biodegradation testing, among 3 PBAT components, adipicacid and terephthalic acid resulted in low growth rate of the strains, whereas 1,4-butanediol resulted in good growth of the strains
  • This study provides information to better understand the biodegradation mechanism of PBAT under mild conditions such as in fields
  • This study provides information to better understand the biodegradation mechanism of poly(butylene adipate-co-terephthalate) under mild conditions such as in fields

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