海洋微生物的塑料降解酶及其在回收技术中的潜在价值。

IF 4.9 2区 医学 Q1 CHEMISTRY, MEDICINAL Marine Drugs Pub Date : 2024-09-26 DOI:10.3390/md22100441
Robert Ruginescu, Cristina Purcarea
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引用次数: 0

摘要

聚对苯二甲酸乙二醇酯(PET)是一种芳香族聚酯,曾一度被认为是酶惰性物质,自从 2005 年发现第一种能够解聚这种物质的酶以来,人们一直在进行广泛的研究,以确定和设计新的生物催化剂来降解塑料。这项工作旨在开发高效的酶回收技术,以克服机械和化学方法的局限性。这些酶是从生活在各种环境(包括土壤、堆肥、表层海水以及温泉、热液喷口、深海区域和南极海水等极端生境)中的微生物中获得的多功能分子。在各种塑料中,聚对苯二甲酸乙二醇酯(PET)和聚乳酸(PLA)一直是酶解聚研究的重点,这大大增进了我们对降解这些特定聚合物的酶的了解。它们通常显示出独特的催化特性,反映出其特定的生态位。本综述探讨了可解聚合成塑料聚合物的海洋衍生酶的最新进展,强调了影响这些催化剂在生物循环过程中效率的结构和功能特征。此外,还讨论了酶解塑料的现状和未来前景,重点关注尚未充分开发的海洋酶资源。
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Plastic-Degrading Enzymes from Marine Microorganisms and Their Potential Value in Recycling Technologies.

Since the 2005 discovery of the first enzyme capable of depolymerizing polyethylene terephthalate (PET), an aromatic polyester once thought to be enzymatically inert, extensive research has been undertaken to identify and engineer new biocatalysts for plastic degradation. This effort was directed toward developing efficient enzymatic recycling technologies that could overcome the limitations of mechanical and chemical methods. These enzymes are versatile molecules obtained from microorganisms living in various environments, including soil, compost, surface seawater, and extreme habitats such as hot springs, hydrothermal vents, deep-sea regions, and Antarctic seawater. Among various plastics, PET and polylactic acid (PLA) have been the primary focus of enzymatic depolymerization research, greatly enhancing our knowledge of enzymes that degrade these specific polymers. They often display unique catalytic properties that reflect their particular ecological niches. This review explores recent advancements in marine-derived enzymes that can depolymerize synthetic plastic polymers, emphasizing their structural and functional features that influence the efficiency of these catalysts in biorecycling processes. Current status and future perspectives of enzymatic plastic depolymerization are also discussed, with a focus on the underexplored marine enzymatic resources.

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来源期刊
Marine Drugs
Marine Drugs 医学-医药化学
CiteScore
9.60
自引率
14.80%
发文量
671
审稿时长
1 months
期刊介绍: Marine Drugs (ISSN 1660-3397) publishes reviews, regular research papers and short notes on the research, development and production of drugs from the sea. Our aim is to encourage scientists to publish their experimental and theoretical research in as much detail as possible, particularly synthetic procedures and characterization information for bioactive compounds. There is no restriction on the length of the experimental section.
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