Bioremoval efficiency and metabolomic profiles of cellular responses of Chlorella pyrenoidosa to phenol and 4-fluorophenol

IF 2.3 Q2 Environmental Science

Journal of Water Reuse and Desalination Pub Date : 2023-03-10 DOI:10.2166/wrd.2023.003

Min Li, Lu Ma, Yajing An, Dongbin Wei, Haijun Ma, Juanjuan Zhu, Cuiping Wang

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引用次数: 1

Abstract

We examined the growth tolerance, bioremoval efficacy, and metabolomic profiles of the cellular responses of Chlorella pyrenoidosa to phenol and 4-fluorophenol. We found that C. pyrenoidosa can tolerate exposure to 100 mg/L of phenol and 4-fluorophenol, and the growth of algal cells had a significant hormesis of inhibition first and then promotion. Up to 70% bioremoval of phenol and 4-fluorophenol may occur after 240 h of treatment. Superoxide dismutase (SOD) and CAT activities, malondialdehyde (MDA) content, and reactive oxygen species (ROS) in algal cells in the phenol- and 4-fluorophenol-treated groups were similar or lower than in the control group. Furthermore, photosynthetic pigment and glycerophospholipid contents were significantly upregulated in both phenol- and 4-fluorophenol-treated groups, as indicated by the metabolomic analysis of C. pyrenoidosa, resulting in the vigorous growth of algal cells compared to the control group. Therefore, C. pyrenoidosa can be an excellent biosorbent for phenol and 4-fluorophenol.

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核核小球藻对苯酚和4-氟苯酚的生物去除效率和细胞反应代谢组学特征

我们检测了蛋白核小球藻对苯酚和4-氟苯酚的生长耐受性、生物清除效果和细胞反应的代谢组学特征。我们发现，蛋白核梭菌能耐受100mg/L苯酚和4-氟苯酚的暴露，并且藻类细胞的生长具有先抑制后促进的显著刺激作用。苯酚和4-氟苯酚在处理240小时后可能发生高达70%的生物清除。苯酚和4-氟苯处理组藻类细胞中的超氧化物歧化酶（SOD）和CAT活性、丙二醛（MDA）含量和活性氧（ROS）与对照组相似或更低。此外，酚处理组和4-氟苯处理组的光合色素和甘油磷脂含量均显著上调，如蛋白核梭菌的代谢组学分析所示，与对照组相比，导致藻类细胞生长旺盛。因此，蛋白核碳对苯酚和4-氟苯酚具有良好的生物吸附性能。

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 Water Reuse and Desalination ENGINEERING, ENVIRONMENTAL-WATER RESOURCES

CiteScore

4.30

自引率

0.00%

发文量

审稿时长

16 weeks

期刊介绍： Journal of Water Reuse and Desalination publishes refereed review articles, theoretical and experimental research papers, new findings and issues of unplanned and planned reuse. The journal welcomes contributions from developing and developed countries.