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Beyond PHA: Stimulating intracellular accumulation of added-value compounds in mixed microbial cultures

AuthorsPinto-Ibieta, F.; Serrano, Antonio ; Cea, M.; Ciudad, G.; Fermoso, Fernando G. ORCID
KeywordsMixed microbial culture
Feast and famine
Levulinic acid
Issue DateOct-2021
CitationBioresource Technology 337: 125381 (2021)
AbstractThis review compiled and analyzed the operational conditions (dissolved oxygen, feast and famine ratio, sequential batch reactor cycle length, organic loading rate (OLR), pH, C/N, and temperature) established during the feast and famine culture strategy for the mixed microbial cultures (MMC) selection to understand how these variables could affect the synthesis of polyhydroxyalkanoates, polyglucose, triacylglycerides, levulinic acid and adipic acid from non-fermented substrates. According to the reported information, the dissolved oxygen has a greater impact on the type and amount of produced compound. In a lesser extent, the OLR and the cycle length were identified to have an impact on the accumulation of polyhydroxyalkanoates, whose accumulation was favored at lower OLR and longer cycle lengths. Thereby, the information of this work will allow the design of future strategies for the simultaneous accumulation of compounds of interest other than the polyhydroxyalkanoates or understand the operational conditions that would optimize the polyhydroxyalkanoates production.
Description8 Páginas.-- 6 Figuras.-- 1 Tabla
Publisher version (URL)http://dx.doy.org/10.1016/j.biortech.2021.125381
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