A bacterium that degrades and assimilates poly(ethylene terephthalate)

被引：1858

作者：

Yoshida, Shosuke ^{[1
,2
,6
]}

Hiraga, Kazumi ^{[1
]}

Takehana, Toshihiko ^{[3
]}

Taniguchi, Ikuo ^{[4
]}

Yamaji, Hironao ^{[1
]}

Maeda, Yasuhito ^{[5
]}

Toyohara, Kiyotsuna ^{[5
]}

Miyamoto, Kenji ^{[2
]}

Kimura, Yoshiharu ^{[4
]}

Oda, Kohei ^{[1
]}

机构：

[1] Kyoto Inst Technol, Fac Text Sci, Dept Appl Biol, Sakyo Ku, Kyoto 6068585, Japan

[2] Keio Univ, Dept Biosci & Informat, Kohoku Ku, 3-14-1 Hiyoshi, Yokohama, Kanagawa 2238522, Japan

[3] ADEKA, Life Sci Mat Lab, Arakawa Ku, 7-2-34 Higashiogu, Tokyo 1168553, Japan

[4] Kyoto Inst Technol, Fac Text Sci, Dept Polymer Sci, Sakyo Ku, Kyoto 6068585, Japan

[5] Innovat Res Inst, Ecol Related Mat Grp, Hinode Cho 2-1, Yamaguchi 7408511, Japan

[6] Kyoto Univ, Grad Sch Engn, Dept Polymer Chem, Nishikyo Ku, Kyoto 6158530, Japan

来源：

SCIENCE | 2016年 / 351卷 / 6278期

关键词：

HYDROLYSIS; CUTINASE; POLYESTERS; HYDROLASE; FIBERS;

D O I：

10.1126/science.aad6359

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Poly(ethylene terephthalate) (PET) is used extensively worldwide in plastic products, and its accumulation in the environment has become a global concern. Because the ability to enzymatically degrade PET has been thought to be limited to a few fungal species, biodegradation is not yet a viable remediation or recycling strategy. By screening natural microbial communities exposed to PET in the environment, we isolated a novel bacterium, Ideonella sakaiensis 201-F6, that is able to use PET as its major energy and carbon source. When grown on PET, this strain produces two enzymes capable of hydrolyzing PET and the reaction intermediate, mono(2-hydroxyethyl) terephthalic acid. Both enzymes are required to enzymatically convert PET efficiently into its two environmentally benign monomers, terephthalic acid and ethylene glycol.

引用

页码：1196 / 1199

页数：4

共 17 条

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