Isolation of native microorganisms from Shengli lignite and study on their ability to dissolve lignite.

IF 3.5 3区 生物学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Bioprocess and Biosystems Engineering Pub Date : 2024-12-01 Epub Date: 2024-08-10 DOI:10.1007/s00449-024-03080-7
Yinglin Zhao, Ruina Chai, Jianguo Duan, Zhiying Yang, Shuheng Zhang, Yunying Liu, Xiaoxia Wang, Jianguo Cheng
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Abstract

To more greenly and efficiently utilize the abundant lignite resources and explore the microbial degradation and transformation potential of lignite for its environmentally friendly and resourceful utilization, Shengli lignite from the Hulunbuir region of Inner Mongolia, China, was selected as the research subject. Through the dilution plating method and streaking method, 31 native microorganisms were successfully isolated from the Shengli lignite, including 16 bacteria and 15 fungi. After microbial coal dissolution experiments, it was found that certain microorganisms have a significant dissolving effect on lignite, with some bacterial and fungal strains showing strong dissolution capabilities. In particular, the bacterium SH10 Lysinibacillus fusiformis and the fungus L1W Paecilomyces lilacinus demonstrated the best coal-dissolving abilities, with dissolution rates both reaching 60%. The products of microbial dissolution of lignite were analyzed using gas chromatography-mass spectrometry (GC-MS) technology, identifying a variety of small molecular organic compounds, including alkanes, alcohols, esters, and phenols. The results of this study provide a new perspective on the biodegradation of lignite and lay the foundation for the development of new lignite treatment and utilization technologies.

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从胜利褐煤中分离出原生微生物并研究其溶解褐煤的能力。
为了更加绿色、高效地利用丰富的褐煤资源,探索褐煤的微生物降解和转化潜力,实现褐煤的环境友好和资源化利用,研究人员选择了中国内蒙古呼伦贝尔地区的胜利褐煤作为研究对象。通过稀释平板法和条纹法,成功从胜利褐煤中分离出 31 种原生微生物,包括 16 种细菌和 15 种真菌。经过微生物溶煤实验发现,某些微生物对褐煤有明显的溶解作用,一些细菌和真菌菌株表现出很强的溶解能力。其中,细菌 SH10 Lysinibacillus fusiformis 和真菌 L1W Paecilomyces lilacinus 的溶煤能力最强,溶解率均达到 60%。利用气相色谱-质谱(GC-MS)技术分析了微生物溶解褐煤的产物,确定了多种小分子有机化合物,包括烷烃、醇、酯和酚。该研究结果为褐煤的生物降解提供了一个新的视角,为开发新的褐煤处理和利用技术奠定了基础。
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来源期刊
Bioprocess and Biosystems Engineering
Bioprocess and Biosystems Engineering 工程技术-工程:化工
CiteScore
7.90
自引率
2.60%
发文量
147
审稿时长
2.6 months
期刊介绍: Bioprocess and Biosystems Engineering provides an international peer-reviewed forum to facilitate the discussion between engineering and biological science to find efficient solutions in the development and improvement of bioprocesses. The aim of the journal is to focus more attention on the multidisciplinary approaches for integrative bioprocess design. Of special interest are the rational manipulation of biosystems through metabolic engineering techniques to provide new biocatalysts as well as the model based design of bioprocesses (up-stream processing, bioreactor operation and downstream processing) that will lead to new and sustainable production processes. Contributions are targeted at new approaches for rational and evolutive design of cellular systems by taking into account the environment and constraints of technical production processes, integration of recombinant technology and process design, as well as new hybrid intersections such as bioinformatics and process systems engineering. Manuscripts concerning the design, simulation, experimental validation, control, and economic as well as ecological evaluation of novel processes using biosystems or parts thereof (e.g., enzymes, microorganisms, mammalian cells, plant cells, or tissue), their related products, or technical devices are also encouraged. The Editors will consider papers for publication based on novelty, their impact on biotechnological production and their contribution to the advancement of bioprocess and biosystems engineering science. Submission of papers dealing with routine aspects of bioprocess engineering (e.g., routine application of established methodologies, and description of established equipment) are discouraged.
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