Influence of Photobioreactor Set-up on the Survival of Microalgae Inoculum
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Author/sBani, Alessia; Acién Fernández, Francisco Gabriel; D'Imporzano, Giuliana; Parati, Katia; Adani, Fabrizio
Cultivation of specific microalgae is still difficult in an industrial setup as contamination and balancing the economic cost are not always possible. Understanding the ecology of cultivation of microalgae is therefore necessary to implement stable production. The aim of the study was to understand how different types of photobioreactors and types of culture medium influenced the survival of a specific microalgae inoculum, S. almeriensis. The bacterial and microalgae community were studied using Illumina sequencing. Only the closed configuration was able to maintain the inoculated species while all the other systems developed a different eukaryotic community due to contamination and the higher fitness of contaminants. Photobioreactor configuration was more important than medium in shaping the eukaryotes community, while the bacterial community was influenced strongly by both. Results showed that even a well- adapted strain is maintained only in the closed reactor while th...