Polyethylene-biodegrading Microbes and Their Future Directions

Seo, Min‐Ju; Yun, Seung-Do; Kim, Hyun Woo; Yeom, Soo‐Jin

doi:10.1007/s12257-022-0264-9

Cited by 8 publications

(10 citation statements)

References 98 publications

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“…Over 20 bacterial genera can degrade PE such as Pseudomonas, Ralstonia, Stenotrophomonas, Klebsiella and Acinetobactor [76]. Fungi were thought to be more efficient than bacteria for the degradation of PE because they can attach to the hydrophobic surface of the polymers [77]. Fungal laccases and peroxidases, generally used by fungi to degrade lignin, showed high efficiency in degrading PE and PVC.…”

Section: Pe Pp Ps Pvcmentioning

confidence: 99%

Advancements in the Bio-degradation of Plastic Waste into Value-added Chemicals: A Recent Perspective

Li,

Chen,

Huo

2024

Synthetic Biology and Engineering

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Plastics are an essential component of modern life, but the plastic waste has caused significant environmental pollution and economic losses. The effective solution to these problems is the biodegradation and high-value conversion of plastic waste. After biodegradation, plastic waste is broken into smaller molecules and eventually transformed into innocuous substances like water, carbon dioxide and biomass. High-value conversion enables plastic waste to be converted into products with higher economic value and environmental friendliness. Based on this, we summarize the biodegradation methods of bioplastics and analyze the shortage of these methods. Subsequently, we summarize the progress of converting the degradation products into value-added chemicals, comprehensively analyze the advantages and disadvantages of these bioconversion process, and propose some strategies to address these disadvantages. Finally, we analyze the significance of establishing a microbial-based conversion process that integrates the degradation and the conversion, and propose some potential strategies.

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Section: Pe Pp Ps Pvcmentioning

confidence: 99%

Advancements in the Bio-degradation of Plastic Waste into Value-added Chemicals: A Recent Perspective

Li,

Chen,

Huo

2024

Synthetic Biology and Engineering

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“…83 It is widely used in production of plastic bags, bottles, packaging materials. 5,23 The most common PE is Low Density Polyethylene (LDPE) and High-Density Polyethylene (HDPE). They differ in their density, degree of branching and availability of functional groups on the surface.…”

Section: Pe Mechanism Biodegradationmentioning

confidence: 99%

“…The most communal synthetic polymers are polypropylene (PP); polyethylene (PE), polystyrene (PS), polyethylene terephthalate (PET), polyvinyl chloride (PVC) and polyurethane (PU, PUR) and the most consumed synthetic polymer is PE. [3][4][5] These materials exhibit various properties such as stability, durability, low cost, high elasticity, robustness, light-weight and tensile strength. 6,7 Owing to the outstanding properties, plastics are widely used product in many areas of daily life and industry worldwide.…”

Section: Introductionmentioning

confidence: 99%

“…6,7 Owing to the outstanding properties, plastics are widely used product in many areas of daily life and industry worldwide. 5,8,9 Due to extensively use and growing demand of synthetic plastics in many industrial sectors, production of petroleum-based plastics is increasing steadily. 9,10 Indeed, the worldwide annual plastic production reached 390.7 million tonnes in 2021 and is expected to exceed 34 billion tonnes by 2050.…”

Section: Introductionmentioning

confidence: 99%

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Sustainable bioconversion of synthetic plastic wastes to polyhydroxyalkanoate (PHA) bioplastics: recent advances and challenges

Neifar¹,

Hammami²,

Souissi³

et al. 2023

MOJABB

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Millions of tons of chemical plastics are accumulated annually worldwide in terrestrial and marine environments due to inadequate recycling plants and facilities and low circular use. Their continuous accumulation and contamination of soil and water pose a severe threat to the environment and to human, animal and plant health. There is therefore an urgent need to develop effective eco-environmental strategies to overcome the significant environmental impacts of traditional plastic waste management practises (incineration, landfilling, and recycling). In recent years, reports on microbial strains equipped with the potential of degrading plastic materials, which can further be converted into usable products such as PHA bioplastics have sprung up, and these offer a possibility to develop microbial and enzymatic technologies for plastic waste treatment and then progressing plastics circularity. In this chapter, an overview of the reported microbial and enzymatic degradations of petroleum-based synthetic plastics, specifically polyethylene, polystyrene, polypropylene, polyvinyl chloride, polyurethane and polyethylene terephthalate, is detailed. Furthermore, the harvesting of depolymerization products to produce new PHA materials with high added industrial value can be considered as an innovative solution, helping to increase synthetic plastic recycling rate and creating new circular economy opportunities. Finally, the challenge of ending plastic pollution is still difficult, but sustainable, renewable, bio-based and completely biodegradable, PHA will hold enormous promise for replacing plastics made from petrochemicals.

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“…ASA가 외부 환경(자외선, 수분 등)에 의해 변색되거나 소재 특성의 변화에 견디는 성질이 강하고, PVC(Polyeinyl chloride)의 경우 소재도 가볍고 변화가 가능해서 악기 제작 에 많이 사용되고 있는 편이다(Seo & Yeom, 2023).음악교과서를 보면 오케스트라악기와 국악기(단소와 소고 제외)보다 교실악기로 명명 할 수 있는 악기들 중에서 리코더, 멜로디언, 템버린, 에그쉐이커, 붐웨커가 플라스틱 재질의 악기로 기악수업에서 많이 활용되고 있다. 악기연주하기 활동에서 리코더의 경우 플라스틱 대신 나무재질 악기를 사용하거나 최근 새롭게 개발되고 있는 CXP(Cellulose Cross-linked Polymer) 2) 라는 임업부산물을 통한 악기 제작으로 대체할 수 있을 것으로 본 다.…”

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A Study on the Use of Plastic Instruments in Music Curriculum towards the Plastic-Free Era

Yun

2023

Korean Music Educ Soc

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The purpose of this study is to find plastic instruments used in music curriculum and provide alternative instruments, which are the cause of environmental pollution. For this purpose, the plastic instruments used in 72 music textbooks published from the 1st to the 2015 revised curriculum were organized and analyzed. As a result of this study, first, plastic recorder and melodica(melodion) were used for the first time in music textbooks applied to the 2nd curriculum(1963-1973). Second, plastic instruments such as recorder, melodion, tambourine, sogo drum, egg shakers, and boomwhackers were found in music textbooks. Lastly, the number of musical instruments made of plastic has increased slightly in authorized music textbooks. For ecological sustainability, it is necessary to reduce the use of plastic instruments in music textbooks and provide instruments made of eco-friendly materials and wood.

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Polyethylene-biodegrading Microbes and Their Future Directions

Cited by 8 publications

References 98 publications

Advancements in the Bio-degradation of Plastic Waste into Value-added Chemicals: A Recent Perspective

Advancements in the Bio-degradation of Plastic Waste into Value-added Chemicals: A Recent Perspective

Sustainable bioconversion of synthetic plastic wastes to polyhydroxyalkanoate (PHA) bioplastics: recent advances and challenges

A Study on the Use of Plastic Instruments in Music Curriculum towards the Plastic-Free Era

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