相关实验视频

Updated: Sep 10, 2025

Isolation of Native Soil Microorganisms with Potential for Breaking Down Biodegradable Plastic Mulch Films Used in Agriculture

Isolation of Native Soil Microorganisms with Potential for Breaking Down Biodegradable Plastic Mulch Films Used in Agriculture

Published on: May 10, 2013

一种海洋真菌 Alternaria alternata FB1 降解聚烯

Zhenjie Su¹, Fan Fei¹, Rui Liu²

¹Laboratory of Experimental Marine Biology & Center of Deep Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266404, China; Laboratory for Marine Biology and Biotechnology, Qingdao Marine Science and Technology Center, Qingdao 266237, China; College of Earth Science, University of Chinese Academy of Sciences, Beijing 101408, China.

Journal of hazardous materials

|August 24, 2025

概括

一种海洋真菌Alternaria alternata FB1有效地降解未经处理的聚烯 (PP) 塑料. 这一发现为塑料废物提供了一种新的生物解决方案,

科学领域:

微生物学
环境科学
生物技术

背景情况:

聚烯 (PP) 是一种普遍存在的塑料,具有重大回收挑战.
现有的微生物降解方法往往是低效的,需要进行预处理.

研究的目的:

识别和描述能够降解未经处理的聚烯的微生物.
阐明参与真菌PP降解的酶和代谢途径.

主要方法:

检测海洋真菌的聚烯降解能力.
使用光谱和分子重量测定对PP的化学变化进行分析.
转录组分析以确定关键的酶和代谢途径.
在体外酶活性测定和体内基因淘汰实验.

主要成果:

Alternaria alternata FB1 显示未经处理的 PP 的降解,由功能组形成,结晶性降低和分子量降低证明.
标识为 (E) - 八甲基-9-和非甲基-1-的主要降解产物.
确定了潜在的酶,包括Baeyer- Villiger单氧酶和KatG催化酶,在体外已证实活性.

结论:

Alternaria alternata FB1是一种强大的未经处理的聚烯降解剂.
已经提出了PP的综合性真菌降解和利用途径.
这项研究有望为塑料废物开发工业规模的生物降解解决方案.

关键词:

酶降解基因工程海洋真菌聚烯

更多相关视频

Isolation and Screening from Soil Biodiversity for Fungi Involved in the Degradation of Recalcitrant Materials

Isolation and Screening from Soil Biodiversity for Fungi Involved in the Degradation of Recalcitrant Materials

Published on: May 16, 2022

Generation of Greater Bacterial Biofilm Biomass using PCR-Plate Deep Well Microplate Devices

Generation of Greater Bacterial Biofilm Biomass using PCR-Plate Deep Well Microplate Devices

Published on: April 22, 2022

相关概念视频

Types of Step-Growth Polymers: Polyesters

Types of Step-Growth Polymers: Polyesters

The introduction of polyesters has brought major development to the textile industry. The wrinkle-free behavior of polyester blends has eliminated the need for starching and ironing clothes.
Polyesters are commonly prepared from terephthalic acid and ethylene glycol; the crude product is known as poly(ethylene terephthalate) or PET. However, polyesters are synthesized industrially by transesterification of dimethyl terephthalate with ethylene glycol at 150 °C. The two reactants and the...

Free-Radical Chain Reaction and Polymerization of Alkenes

Free-Radical Chain Reaction and Polymerization of Alkenes

The conversion of alkenes to macromolecules called polymers is a reaction of high commercial importance. The structure of the polymer is defined by a repeating unit, while the terminal groups are considered insignificant. The average degree of polymerization represents the number of repeating units in the polymer molecule and is denoted by the subscript n.