评估从菲律宾拉乌尼翁邦加垃圾填埋场土壤中分离出的微真菌黄曲霉、黑曲霉和土曲霉对镉和锰的耐受性和吸收性

Q3 Environmental Science

Environment and Natural Resources Journal Pub Date : 2024-03-01 DOI:10.32526/ennrj/22/20230254

Jan Aizel E. Arellano, Irish Benja M. Argame, Francis Ruel G. Castillo, Christian Geen E. Salazar, Mark Kevin S. Lopez

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引用次数: 0

摘要

由于人类活动导致重金属过度沉积到环境中，因此有必要采取生态友好型净化策略。在微生物中，有关微真菌菌核修复潜力的研究还很有限。本文评估了三种垃圾填埋场曲霉分离物对镉和锰的耐受性和吸收能力。此外，还对培养基进行了优化，以评估耐受指数和垃圾填埋场土壤样本的重金属分析。在分析的九种重金属中，锰和铁的含量相对较高，而镉、镍和铜的含量则处于中等水平。在马铃薯葡萄糖琼脂中观察到 A. oryzae（MK120548.1）和 A. flavus（MH864264.1）菌丝生长旺盛，而 A. terreus（MH047280.1）在马铃薯蔗糖琼脂中生长最好。就耐受指数而言，A. oryzae（MK120548.1）和 A. flavus（MH864264.1）对镉的耐受性高达 10 mg/kg。奥里藻（MK120548.1）对锰的耐受性高达 1,000 毫克/千克，而黄曲霉（MH864264.1）对锰的耐受性则高达 10,000 毫克/千克。在金属吸收方面，A. oryzae（MK120548.1）对镉的金属吸收量最高，达 654 毫克/千克，而 A. terreus（MH047280.1）对锰的金属吸收量最高，达 997 毫克/千克。根据这些发现，A. oryzae（MK120548.1）、A. flavus（MH864264.1）和 A. terreus（MH047280.1）具有相当大的生物修复潜力。可结合植物进行生物修复研究，以进一步评估这些曲霉菌种的潜力。

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Evaluation of Tolerance and Uptake of Cd and Mn for Microfungi Aspergillus flavus, Aspergillus oryzae, and Aspergillus terreus Isolated from Landfill Soil Collected from Bangar, La Union Philippines

Excessive deposition of heavy metals into the environment due to anthropogenic activities necessitates an eco-friendly clean-up strategy. Among microorganisms, limited studies have been made on the mycoremediation potential of microfungi. This paper evaluated three landfill microfungal isolates of Aspergillus species for tolerance and uptake to Cd and Mn. Culture media optimization was also performed for the evaluation of the tolerance index and heavy metal analysis of soil samples from the landfill site. Among the nine heavy metals analyzed, Mn and Fe were detected in relatively high amounts, while Cd, Ni, and Cu were detected in a moderate range. Luxuriant mycelial growth of A. oryzae (MK120548.1) and A. flavus (MH864264.1) was observed in potato dextrose agar while A. terreus (MH047280.1) grew best in potato sucrose agar. In terms of tolerance index, A. oryzae (MK120548.1) and A. flavus (MH864264.1) demonstrated high tolerance to Cd up to 10 mg/kg. A. oryzae (MK120548.1) showed high tolerance to Mn up to 1,000 mg/kg while A. flavus (MH864264.1) exhibited a very high 10,000 mg/kg tolerance. In terms of metal uptake, A. oryzae (MK120548.1) showed the highest metal uptake of up to 654 mg/kg of Cd, while A. terreus (MH047280.1) exhibited the highest metal uptake of 997 mg/kg ofMn. With these findings, A. oryzae (MK120548.1), A. flavus (MH864264.1), and A. terreus (MH047280.1) have considerable mycoremediation potential. Bioremediation studies in conjunction with plants can be explored to further assess the potential of these Aspergillus species.

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来源期刊

Environment and Natural Resources Journal Environmental Science-Environmental Science (all)

CiteScore

1.90

自引率

0.00%

发文量

审稿时长

8 weeks

期刊介绍： The Environment and Natural Resources Journal is a peer-reviewed journal, which provides insight scientific knowledge into the diverse dimensions of integrated environmental and natural resource management. The journal aims to provide a platform for exchange and distribution of the knowledge and cutting-edge research in the fields of environmental science and natural resource management to academicians, scientists and researchers. The journal accepts a varied array of manuscripts on all aspects of environmental science and natural resource management. The journal scope covers the integration of multidisciplinary sciences for prevention, control, treatment, environmental clean-up and restoration. The study of the existing or emerging problems of environment and natural resources in the region of Southeast Asia and the creation of novel knowledge and/or recommendations of mitigation measures for sustainable development policies are emphasized. The subject areas are diverse, but specific topics of interest include: -Biodiversity -Climate change -Detection and monitoring of polluted sources e.g., industry, mining -Disaster e.g., forest fire, flooding, earthquake, tsunami, or tidal wave -Ecological/Environmental modelling -Emerging contaminants/hazardous wastes investigation and remediation -Environmental dynamics e.g., coastal erosion, sea level rise -Environmental assessment tools, policy and management e.g., GIS, remote sensing, Environmental -Management System (EMS) -Environmental pollution and other novel solutions to pollution -Remediation technology of contaminated environments -Transboundary pollution -Waste and wastewater treatments and disposal technology