Academic Journal
Optimizing Eco-Friendly Degradation of Polyvinyl Chloride (PVC) Plastic Using Environmental Strains of Malassezia Species and Aspergillus fumigatus
| العنوان: | Optimizing Eco-Friendly Degradation of Polyvinyl Chloride (PVC) Plastic Using Environmental Strains of Malassezia Species and Aspergillus fumigatus |
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| المؤلفون: | Heba A. El-Dash, Nehal E. Yousef, Abeer A. Aboelazm, Zuhier A. Awan, Galal Yahya, Amira M. El-Ganiny |
| المصدر: | International Journal of Molecular Sciences, Vol 24, Iss 15452, p 15452 (2023) |
| بيانات النشر: | MDPI AG |
| سنة النشر: | 2023 |
| المجموعة: | Directory of Open Access Journals: DOAJ Articles |
| مصطلحات موضوعية: | biodegradation, PVC plastic polymer, Malassezia species, Aspergillus species, depolymerase, Biology (General), QH301-705.5, Chemistry, QD1-999 |
| الوصف: | Worldwide, huge amounts of plastics are being introduced into the ecosystem, causing environmental pollution. Generally, plastic biodegradation in the ecosystem takes hundreds of years. Hence, the isolation of plastic-biodegrading microorganisms and finding optimum conditions for their action is crucial. The aim of the current study is to isolate plastic-biodegrading fungi and explore optimum conditions for their action. Soil samples were gathered from landfill sites; 18 isolates were able to grow on SDA. Only 10 isolates were able to the degrade polyvinyl chloride (PVC) polymer. Four isolates displayed promising depolymerase activity. Molecular identification revealed that three isolates belong to genus Aspergillus , and one isolate was Malassezia sp. Three isolates showed superior PVC-biodegrading activity ( Aspergillus -2, Aspergillus -3 and Malassezia ) using weight reduction analysis and SEM. Two Aspergillus strains and Malassezia showed optimum growth at 40 °C, while the last strain grew better at 30 °C. Two Aspergillus isolates grew better at pH 8–9, and the other two isolates grow better at pH 4. Maximal depolymerase activity was monitored at 50 °C, and at slightly acidic pH in most isolates, FeCl 3 significantly enhanced depolymerase activity in two Aspergillus isolates. In conclusion, the isolated fungi have promising potential to degrade PVC and can contribute to the reduction of environmental pollution in eco-friendly way. |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | English |
| تدمد: | 1422-0067 1661-6596 |
| Relation: | https://www.mdpi.com/1422-0067/24/20/15452; https://doaj.org/toc/1661-6596; https://doaj.org/toc/1422-0067; https://doaj.org/article/67df25c8538848969b7e0ba2c0995e46 |
| DOI: | 10.3390/ijms242015452 |
| الاتاحة: | https://doi.org/10.3390/ijms242015452 https://doaj.org/article/67df25c8538848969b7e0ba2c0995e46 |
| رقم الانضمام: | edsbas.EAEF0978 |
| قاعدة البيانات: | BASE |
Full Text Finder | تدمد: | 14220067 16616596 |
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| DOI: | 10.3390/ijms242015452 |