The Non-solventogenic Clostridium beijerinckii Br21 Produces 1,3-Propanediol From Glycerol With Butyrate as the Main By-Product

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Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorMermejo, Beatriz da Cruz-
Autor(es): dc.creatorBortolucci, Jonatã-
Autor(es): dc.creatorAndrade, Adalgisa Rodrigues de-
Autor(es): dc.creatorReginatto, Valeria-
Data de aceite: dc.date.accessioned2025-08-21T19:08:20Z-
Data de disponibilização: dc.date.available2025-08-21T19:08:20Z-
Data de envio: dc.date.issued2023-03-01-
Data de envio: dc.date.issued2023-03-01-
Data de envio: dc.date.issued2022-07-07-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.3389/fsufs.2022.848022-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/240502-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/240502-
Descrição: dc.descriptionEver-increasing biofuel production has raised the supply of glycerol, an abundant waste from ethanolic fermentation and transesterification, for biodiesel production. Glycerol can be a starting material for sustainable production of 1,3-propanediol (1,3 PD), a valued polymer subunit. Here, we compare how Clostridium pasteurianum DSMZ 525, a well-known 1,3-PD-producer, and the non-solventogenic Clostridium beijerinckii Br21 perform during glycerol fermentation. Fermentative assays in 80-, 390-, or 1,100-mM glycerol revealed higher 1,3-PD productivity by DSMZ 525 compared to Br21. The highest 1,3-PD productivities by DSMZ 525 and Br21 were obtained in 390 mM glycerol: 3.01 and 1.70 mM h−1, respectively. Glycerol uptake by the microorganisms differed significantly: C. beijerinckii Br21 consumed 41.1, 22.3, and 16.3%, while C. pasteurianum consumed 93, 44.5, and 14% of the initial glycerol concentration in 80, 390, and 1,100 mM glycerol, respectively. In 1,100 mM glycerol, C. beijerinckii Br21 growth was delayed. Besides 1,3-PD, we detected butyrate and acetate during glycerol fermentation by both strains. However, at 80 mM glycerol, C. beijerinckii Br21 formed only butyrate as the by-product, which could help downstream processing of the 1,3-PD fermentation broth. Therefore, C. beijerinckii Br21, an unexplored biocatalyst so far, can be used to convert glycerol to 1,3-PD and can be applied in biofuel biorefineries.-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionDepartamento de Química Faculdade de Filosofia Ciências e Letras de Ribeirão Preto (FFCLRP) Universidade de São Paulo-
Descrição: dc.descriptionUNESP National Institute for Alternative Technologies of Detection Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM) Institute of Chemistry-
Descrição: dc.descriptionUNESP National Institute for Alternative Technologies of Detection Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM) Institute of Chemistry-
Idioma: dc.languageen-
Relação: dc.relationFrontiers in Sustainable Food Systems-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectbiorefinery-
Palavras-chave: dc.subjectbutyrate-
Palavras-chave: dc.subjectClostridium beijerinckii-
Palavras-chave: dc.subjectfermentation-
Palavras-chave: dc.subjectglycerol-
Palavras-chave: dc.subjectpropanediol-
Título: dc.titleThe Non-solventogenic Clostridium beijerinckii Br21 Produces 1,3-Propanediol From Glycerol With Butyrate as the Main By-Product-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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