Comparative Metabolomic Analysis of the Green Microalga Chlorella sorokiniana Cultivated in the Single Culture and a Consortium with Bacteria for Wastewater Remediation

Applied Biochemistry and Biotechnology
Taojing ChenWei Wei

Abstract

Co-culture of microalgae with many types of bacteria usually comes out with significant different treatment efficiencies for COD, nitrogen, and phosphorus in wastewater remediation, compared with the single culture. In order to understand the mechanism behind, a comparative experiment was designed in this study, using the green microalgae species Chlorella sorokiniana in the single culture and a consortium with a bacterium, Pseudomonas H4, for nutrient removal. Comparative metabolome profile analysis was conducted to reveal the Chlorella cell responses to the synergistic growth with the bacteria, and possible relations between the metabolic regulation of microalgae and the nutrient degradation were discussed. The detectable differential metabolites of Chlorella belonged to several classes, including carbohydrates, fatty acids, amino acids, phosphates, polyols, etc. The orthogonal partial least squares discriminant analysis (OPLS-DA) model of the identified metabolites suggests the metabolism in this alga was significantly affected by the bacteria, corresponding to different treatment behaviors.

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Citations

Apr 12, 2019·Critical Reviews in Biotechnology·Isiri Adhiwarie PereraMallavarapu Megharaj
Dec 22, 2019·Metabolomics : Official Journal of the Metabolomic Society·Léa GauthierNicolas Mazzella
Oct 24, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Yaqiong WuLi-An Xu
Dec 12, 2020·Water Environment Research : a Research Publication of the Water Environment Federation·Ruimin MuYuanyuan Shao
Feb 22, 2021·Environmental Pollution·Xiuqi YouWeiling Sun
Apr 27, 2021·Journal of Environmental Management·David Correa-GaleoteBelén Rodelas
Aug 25, 2021·The Science of the Total Environment·Neha Arora, George P Philippidis

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