液态和加标土壤中本地分离的 Phanerochaete chrysosporium 和 Penicillium citrinum 对 PAHs 的生物降解作用

Q4 Environmental Science

Nature Environment and Pollution Technology Pub Date : 2024-06-01 DOI:10.46488/nept.2024.v23i02.015

Kiran Bishnoi, P. Rani, Minakshi Karwal, N. Bishnoi

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引用次数: 0

摘要

本研究利用从当地受污染土壤中分离出的两种真菌菌株，即 P. chrysosporium 和 P. citrinum，对多环芳烃（PAHs）的生物降解进行了研究。在标准化条件下（pH 值 7.0，温度 30oC，碳源为酵母提取物），比较了这两种真菌菌株对单一种 PAH 和五种不同 PAH 混合物的降解特性。在液体培养基中，P. chrysosporium 的多环芳烃降解率高于加标土壤，其次是 P. citrinum。在液体培养基中，蛹虫草菌对苯并芘、氟蒽、芘、菊烯和苯并（a）芘的最大降解率分别为 96.13%、86.34%、72.75%、52.25% 和 40.16%。在 28 天内，蛹虫草真菌对土壤中多环芳烃的降解率分别为 78.5%菲、65.91%荧蒽、61.73%芘、48.2%菊烯和 26.82%苯并(a)芘。两种本地真菌分离物都显示出降解单独的多环芳烃和多环芳烃混合物的潜力。

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PAHs Biodegradation by Locally Isolated Phanerochaete chrysosporium and Penicillium citrinum from Liquid and Spiked Soil

In the present study, biodegradation of polycyclic aromatic hydrocarbons (PAHs) was examined using two fungal strains, namely P. chrysosporium and P. citrinum, isolated from locally contaminated soil. These two fungal strains were compared based on degradation properties under standardized conditions (pH 7.0, temperature 30oC, carbon source yeast extract) using PAH sole and a mixture of five different PAHs. In liquid media, PAH degradation was higher as compared to spiked soil by P. chrysosporium, followed by P. citrinum. In liquid culture, maximum degradation was 96.13% phenanathrene, 86.34% fluoranthene, 72.75% pyrene, 52.25% chrysene, and 40.16% benzo(a)pyrene by P. chrysosporium. PAH degradation in spiked soil was 78.5% phenanthrene, 65.91% fluoranthene, 61.73% pyrene, 48.2% chrysene, and 26.82% benzo(a)pyrene within 28 days by P. chrysosporium. Both local fungal isolates showed potential for degradation of PAHs alone and in PAH mixtures.

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来源期刊

Nature Environment and Pollution Technology Environmental Science-Environmental Science (all)

CiteScore

1.20

自引率

0.00%

发文量

159

审稿时长

36 weeks

期刊介绍： The journal was established initially by the name of Journal of Environment and Pollution in 1994, whose name was later changed to Nature Environment and Pollution Technology in the year 2002. It has now become an open access online journal from the year 2017 with ISSN: 2395-3454 (Online). The journal was established especially to promote the cause for environment and to cater the need for rapid dissemination of the vast scientific and technological data generated in this field. It is a part of many reputed international indexing and abstracting agencies. The Journal has evoked a highly encouraging response among the researchers, scientists and technocrats. It has a reputed International Editorial Board and publishes peer reviewed papers. The Journal has also been approved by UGC (India). The journal publishes both original research and review papers. The ideology and scope of the Journal includes the following. -Monitoring, control and management of air, water, soil and noise pollution -Solid waste management -Industrial hygiene and occupational health -Biomedical aspects of pollution -Toxicological studies -Radioactive pollution and radiation effects -Wastewater treatment and recycling etc. -Environmental modelling -Biodiversity and conservation -Dynamics and behaviour of chemicals in environment -Natural resources, wildlife, forests and wetlands etc. -Environmental laws and legal aspects -Environmental economics -Any other topic related to environment