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. 2023 Dec;63(12):1440-1450.
doi: 10.1002/jobm.202300362. Epub 2023 Aug 18.

Bacterial assemblages structure in intensive cultivations of the microalga Tetradesmus obliquus

Jaimet Bucheli  1 , Herculano Cella  1 , Camila Nader  1 , Carlos Yure B Oliveira  2 , Camila Lisarb V Bastolla  3 , Rafael Garcia Lopes  1 , Gabriella do Vale Pereira  1 , João Karam  1 , Roberto Bianchini Derner  1
Affiliations

Bacterial assemblages structure in intensive cultivations of the microalga Tetradesmus obliquus

Jaimet Bucheli et al. J Basic Microbiol. 2023 Dec.

Abstract

The present study shows the characterization of the bacterial communities associated with different systems during the cultivation of the microalga Tetradesmus obliquus. For that, sequential cultivation was performed in three different systems: (1) Photobioreactor bench-scale; (2) flat-panel photobioreactor; and (3) thin-layer cascade. Cultures were monitored daily for growth parameters and biomass samples were collected for characterization of bacterial communities using metagenomic. A total of 195,177 reads were produced, resulting in the identification of 72 OTUs. In the grouping of bacterial communities, 3 phyla, 6 classes, 28 families, and 35 taxa were found. The bacteria Brevundimonas and Porphyrobacter had a higher relative abundance compared with other taxa found. These taxa were present in all cultivation systems forming a possible core community. Bacterial communities associated with different cultivation systems of the microalga T. obliquus showed an increase in taxa richness and diversity in the super-intensive and intensive systems.

Keywords: biomass; chlorophyceae; metagenomics; microalgae;16S rRNA.

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References

REFERENCES

    1. Toyub MA, Miah MI, Habib MAB, Rahman MM. Growth performance and nutritional value of Tetradesmus obliquus cultured in different concentrations of sweetmeat factory waste media. Bangladesh J Anim Sci. 2008;37:86-93.
    1. Oliveira CYB, Oliveira CDL, Prasad R, Ong HC, Araujo ES, Shabnam N, et al. A multidisciplinary review of Tetradesmus obliquus: a microalga suitable for large-scale biomass production and emerging environmental applications. Reviews in Aquaculture. 2021;13:1594-1618. https://doi.org/10.1111/raq.12536
    1. Mandal S, Mallick N. Microalga Scenedesmus obliquus as a potential source for biodiesel production. Appl Microbiol Biotechnol. 2009;84:281-291. https://doi.org/10.1007/s00253-009-1935-6
    1. Álvarez-Díaz PD, Ruiz J, Arbib Z, Barragán J, Garrido-Pérez MC, Perales JA. Wastewater treatment and biodiesel production by Scenedesmus obliquus in a two-stage cultivation process. Bioresour Technol. 2015;181:90-96. https://doi.org/10.1016/j.biortech.2015.01.018
    1. Venancio HC, Cella H, Lopes RG, Derner RB. Surface-to-volume ratio influence on the growth of Scenedesmus obliquus in a thin-layer cascade system. J Appl Phycol. 2020;32:821-829. https://doi.org/10.1007/s10811-020-02036-0

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