Structural and compositional diversity of biosurfactants produced by a novel strain of Sporosarcina luteola ME44 from oil reservoir

IF 2.2 4区环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES

Journal of environmental quality Pub Date : 2023-10-13 DOI:10.1002/jeq2.20523

Jia-Yi Li, Yi-Fan Liu, Lei Zhou, Hong-Ze Gang, Jin-Feng Liu, Gang-Zheng Sun, Wei-Dong Wang, Shi-Zhong Yang, Bo-Zhong Mu

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引用次数: 0

Abstract

The urealytically active microorganism Sporosarcina luteola induces the precipitation of metals, which has attracted attention in biomineralization, bioremediation, and industrial waste recycling. Herein, we report a novel biosurfactant-producing strain of S. luteola ME44 isolated from Chinese Oilfield. The structure, composition, and surface activity of the biosurfactants produced by S. luteola ME44 were investigated by using a combination of the high-performance liquid chromatography, time-of-flight mass spectrometry, and surface tensiometer. The biosurfactant extracted by strain ME44 was identified as surfactin with five variants and the yield was 1010 ± 60 mg⋅L⁻¹. This is the first report on the structural composition and surface activity of biosurfactants isolated from the S. luteola. It extended our knowledge about the role of the species S. luteola in the ecosystem of extreme natural environments such as oil reservoir. In addition, S. luteola ME44 showed bioprecipitation properties for metal ions Cd(II), Cu(II), Zn(II), and Ag(I), which indicated the application potential of S. luteola in the field of bioremediation.

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一株新菌株木犀孢子虫ME44从油藏中产生的生物表面活性剂的结构和组成多样性。

具有解脲活性的微生物Sporosarcina luteola诱导金属沉淀，这在生物矿化、生物修复和工业废物回收中引起了关注。在此，我们报道了从中国油田分离的一株新的生物表面活性剂生产菌株——黄孢子虫ME44。采用高效液相色谱法、飞行时间质谱法和表面张力仪相结合的方法，对木犀孢子虫ME44生产的生物表面活性剂的结构、组成和表面活性进行了研究。菌株ME44提取的生物表面活性剂经鉴定为具有5个变体的表面活性素，产率为1010±60mg·L-1。本文首次报道了从木犀孢子虫中分离得到的生物表面活性剂的结构组成和表面活性。它扩展了我们对黄孢子虫在极端自然环境（如油藏）生态系统中的作用的了解。此外，黄孢子虫ME44对金属离子Cd（II）、Cu（II），Zn（II）和Ag（I）表现出生物沉淀特性，这表明了黄孢子虫在生物修复领域的应用潜力。这篇文章受版权保护。保留所有权利。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of environmental quality 环境科学-环境科学

CiteScore

4.90

自引率

8.30%

发文量

123

审稿时长

3 months

期刊介绍： Articles in JEQ cover various aspects of anthropogenic impacts on the environment, including agricultural, terrestrial, atmospheric, and aquatic systems, with emphasis on the understanding of underlying processes. To be acceptable for consideration in JEQ, a manuscript must make a significant contribution to the advancement of knowledge or toward a better understanding of existing concepts. The study should define principles of broad applicability, be related to problems over a sizable geographic area, or be of potential interest to a representative number of scientists. Emphasis is given to the understanding of underlying processes rather than to monitoring. Contributions are accepted from all disciplines for consideration by the editorial board. Manuscripts may be volunteered, invited, or coordinated as a special section or symposium.