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“Isolation And Molecular Characterization Of Polythene-Degrading Fungus From Dumping Sites In Bhopal District, Madhya Pradesh”
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This study isolated and characterized fungal strains from a plastic waste dump in Bhopal, India, evaluating their capacity to biodegrade low-density polyethylene (LDPE). Aspergillus niger, A. flavus, and Penicillium chrysogenum demonstrated the highest LDPE degradation rates—up to 33.25% weight loss at 28°C over 16 weeks—highlighting their potential as biological agents for plastic bioremediation.
Low-density polyethylene (LDPE) is a widely used plastic material noted for its resistance to natural degradation, contributing significantly to environmental pollution.The microbial biodegradation of LDPE offers a promising avenue for alleviating this environmental issue.However, the efficiency and mechanisms of LDPE degradation by microorganisms, particularly fungi, are not fully elucidated.This study focused on the isolation and identification of fungal strains from a dumping site in the Bhopal district, Madhya Pradesh, India, exhibiting the potential for LDPE degradation.These fungi Cwere cultured on LDPE as the sole carbon source to assess their biodegradation capabilities.We conducted an in-depth analysis of LDPE degradation under controlled laboratory conditions, measuring the weight loss of LDPE sheets following a 16-week incubation period at temperatures of 28C.The results identified several fungi belonging to the genera Aspergillus, Penicillium, and Fusarium sp., among others.These fungal strains showed varied levels of LDPE degradation, with certain strains demonstrating notable efficiency.In particular, strains of Aspergillus niger, Aspergillus flavus and Penicillium chrysogenum exhibited significant LDPE weight loss at 28C, with reductions of 33.25 2.61 %, 30.38 3.36 %, and 29.77 2.13 %, respectively.The study underscores the potential role of fungal strains in mitigating plastic pollution through the biodegradation process.Factors influencing this process include temperature, enzymatic activity, and surface colonization.These findings contribute valuable knowledge to the field of microbial degradation of plastics, highlighting the potential of fungal species in environmental bioremediation strategies.
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Fungi isolated from an Indonesian landfill, particularly Aspergillus and Cladosporium species, reduced the mass of low-density polyethylene by up to 22% over 28 days, demonstrating meaningful biodegradation potential. Identifying indigenous plastic-degrading microorganisms is important for developing biological treatment strategies that could reduce the environmental accumulation of LDPE, a common source of microplastics.
Characterization and Potential Evaluation of Plastic-Degrading Fungi Isolated from Kaliabu Landfill, Indonesia
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Researchers isolated ten fungal species from an Indonesian landfill and found that Aspergillus and Cladosporium isolates achieved up to 22% weight loss of low-density polyethylene (LDPE) within 28 days under laboratory conditions. These locally sourced plastic-degrading fungi represent a promising biological approach to reducing LDPE waste, a major source of microplastic fragments in the environment.
Screening of Fungal Isolates for Biodegradation Potentials of Low-Density Polyethylene from Selected Dumpsites
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Researchers screened fungi isolated from soil at Nigerian waste dump sites for their ability to degrade low-density polyethylene plastic, identifying candidate species for potential use in bioremediation. Fungal biodegradation of common plastics like LDPE could help address plastic waste in environments with poor waste management infrastructure.
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This study assessed the ability of two Aspergillus species—A. niger and A. oryzae—to biodegrade low-density polyethylene (LDPE) strips in minimal salt medium over multiple incubation periods. A. oryzae showed greater degradation efficiency (up to 10.22% weight loss), while SEM imaging confirmed fungal colonization and surface erosion including folds, grooves, and cracks in the plastic material.
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Fungi isolated from plastic-polluted environments were tested for their ability to degrade low-density polyethylene (LDPE), a common packaging plastic, under laboratory conditions. Microscopic analysis confirmed surface degradation, suggesting that naturally occurring fungi from contaminated sites may have enhanced plastic-degrading ability.
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