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| Content Provider | frontiers |
|---|---|
| Author | Ouyang, Ying Chen, Shuyu Zhao, Liqing Song, Yiting Lei, Anping He, Jiayi Wang, Jiangxin |
| Abstract | The microalga Euglena gracilis is utilized in the food, medicinal, and supplement industries. However, its mass production is currently limited by its low production efficiency and high risk of microbial contamination. In this study, physiological and biochemical parameters of E. gracilis co-cultivated with the bacteria Vibrio natriegens were investigated. A previous study reports the benefits of E. gracilis and V. natriegens co-cultivation; however, no bacterium growth and molecular mechanisms were further investigated. Our results show that this co-cultivation positively increased total chlorophyll, microalgal growth, dry weight, and storage sugar paramylon content of E. gracilis compared to the pure culture without V. natriegens. This analysis represents the first comprehensive metabolomic study of microalgae-bacterial co-cultivation, with 339 metabolites identified. This co-cultivation system was shown to have synergistic metabolic interactions between microalgal and bacterial cells, with a significant increase in methyl carbamate, ectoine, choline, methyl N-methylanthranilate, gentiatibetine, 4R-aminopentanoic acid, and glu-val compared to the cultivation of E. gracilis alone. Taken together, these results fill significant gaps in the current understanding of microalgae-bacteria co-cultivation systems and provide novel insights into potential improvements for mass production and industrial applications of E. gracilis. |
| ISSN | 22964185 |
| DOI | 10.3389/fbioe.2021.652021 |
| Volume Number | 9 |
| Journal | Frontiers in Bioengineering and Biotechnology |
| Language | English |
| Publisher Date | 2021-03-31 |
| Access Restriction | Open |
| Subject Keyword | Paramylon Metabolomics Vibrio natriegens Euglena gracilis Co-cultivation |
| Content Type | Text |
| Resource Type | Article |
| Subject | Histology Bioengineering Biomedical Engineering Biotechnology |
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