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Growth characterization and biostimulant potential of Coelastrella sp. D14 a greenmicroalga isolated from a solar panel.

Baldanta Callejo, S.; Ferreira, A.; Gouveia, L.; Navarro Llorens, J. M.; Guevara, G.

2024-01-24 microbiology
10.1101/2024.01.24.576708 bioRxiv
Show abstract

Extremophile environments are an important source for finding microorganisms with a potential for biotechnological applications. Among these microorganisms, microalgae contribute to several sustainable processes such as wastewater treatments or nutrition. In this work it was characterized a microalga isolated from a solar panel. The morphological and phylogenetic analysis revealed that the isolate collected was a Coelastrella strain. Cultivation and stress experiments has shown that Coelastrella sp. D14 can resist a long period of desiccation and it can grow on cheap sources such as piggery wastewaters (PWW). This work reports that a Coelastrella strain displays biostimulant properties with a germination index of 123% on Lepidium sativum when D14 biomass grown at 10% piggery effluent was used. Altogether, these results suggest that this novel strain could be a good chassis for further biotechnological applications. HighlightsO_LICoelastrella sp. D14, a xero-tolerant strain, has been isolated from a solar panel C_LIO_LIThis strain can grow on piggery wastewater C_LIO_LICoelastrella sp. D14 can promote germination of Lepidium sativum C_LI

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