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The effects of secondary bacterial metabolites on photosynthesis in microalgae cells

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Abstract

Secondary metabolites of bacteria are regulatory molecules that act as “info-chemicals” that control some metabolic processes in the cells of microorganisms. These molecules provide the function of bacteria communication in microbial communities. As primary producers of organic matter in the biosphere, microalgae play a central ecological role in various ecosystems. Photosynthesis is a central process in microalgae cells, and it is exposed to various biotic and abiotic factors. Various secondary metabolites of bacteria confer a noticeable regulatory effect on photosynthesis in microalgae cells. The main purpose of this review is to highlight recent experimental results that demonstrate the impact of several types of common bacterial metabolites (volatile organic compounds, non-protein amino acids, and peptides) on photosynthetic activity in cells of microalgae. The use of these molecules as herbicides can be of great importance both for practical applications and for basic research.

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Acknowledgements

The authors were inspired to write this review by the work of the VIII Congress of the Russian Photobiological Society, All-Russian Conference “Modern problems of Photobiology.” The authors are grateful to the unknown reviewers for valuable comments that contributed to the improvement of the text of the manuscript.

Funding

The study was supported by state program no. AAAA-A17-117120570011–4 (“Investigation of the mechanism of energy conversion by photosynthesis enzymes”).

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Koksharova Olga had the idea for the article, performed the literature search and data analysis, and drafted and critically revised the work. Safronov Nikolai critically revised the work and made an illustration. All authors read and approved the final manuscript.

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Correspondence to O. A. Koksharova.

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The authors declare no competing interests.

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Koksharova, O.A., Safronov, N.A. The effects of secondary bacterial metabolites on photosynthesis in microalgae cells. Biophys Rev 14, 843–856 (2022). https://doi.org/10.1007/s12551-022-00981-3

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  • DOI: https://doi.org/10.1007/s12551-022-00981-3

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