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Understanding the differences in 2G ethanol fermentative scales through omics data integration

Carvalho, Lucas M ; Carvalho-Netto, Osmar V ; Calderón, Luige L ; Gutierrez, Milena ; de Assis, Michelle A ; Mofatto, Luciana S ; Camargo, Antonio P ; dos Santos, Leandro V ; Borelli, Guilherme ; Temer, Beatriz ; Araujo, Guido ; Pereira, Gonçalo A G ; Carazzolle, Marcelo F

FEMS yeast research, 2021-06, Vol.21 (4), p.1 [Periódico revisado por pares]

England: Oxford University Press

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  • Título:
    Understanding the differences in 2G ethanol fermentative scales through omics data integration
  • Autor: Carvalho, Lucas M ; Carvalho-Netto, Osmar V ; Calderón, Luige L ; Gutierrez, Milena ; de Assis, Michelle A ; Mofatto, Luciana S ; Camargo, Antonio P ; dos Santos, Leandro V ; Borelli, Guilherme ; Temer, Beatriz ; Araujo, Guido ; Pereira, Gonçalo A G ; Carazzolle, Marcelo F
  • Assuntos: Acetaldehyde ; Alcohol ; Alcohol, Denatured ; Community composition ; Ethanol ; Fermentation ; Gene expression ; Genes ; Hydrolysates ; Lignocellulose ; Monosaccharides ; Proteomics ; Sugars ; Tricarboxylic acid cycle ; Xylose ; Yeast
  • É parte de: FEMS yeast research, 2021-06, Vol.21 (4), p.1
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: ABSTRACT In this work, we evaluated the fermentative performance and metabolism modifications of a second generation (2G) industrial yeast by comparing an industrial condition during laboratory and industrial scale fermentations. Fermentations were done using industrial lignocellulosic hydrolysate and a synthetic medium containing inhibitors and analyses were carried out through transcriptomics and proteomics of these experimental conditions. We found that fermentation profiles were very similar, but there was an increase in xylose consumption rate during fermentations using synthetic medium when compared to lignocellulosic hydrolysate, likely due to the presence of unknown growth inhibitors contained in the hydrolysate. We also evaluated the bacterial community composition of the industrial fermentation setting and found that the presence of homofermentative and heterofermentative bacteria did not significantly change the performance of yeast fermentation. In parallel, temporal differentially expressed genes (tDEG) showed differences in gene expression profiles between compared conditions, including heat shocks and the presence of up-regulated genes from the TCA cycle during anaerobic xylose fermentation. Thus, we indicate HMF as a possible electron acceptor in this rapid respiratory process performed by yeast, in addition to demonstrating the importance of culture medium for the performance of yeast within industrial fermentation processes, highlighting the uniquenesses according to scales. Using integrative analysis of transcriptome and proteome data to assess differences in how yeast perform under laboratory and industrial scales and conditions for 2G ethanol fermentation.
  • Editor: England: Oxford University Press
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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