Publications by authors named "Danielle Camargo"

Nuclear factor Y (NF-Y) is a ubiquitous transcription factor found in eukaryotes. It is composed of three distinct subunits called NF-YA, NF-YB and NF-YC. NF-Ys have been identified as key regulators of multiple pathways in the control of development and tolerance to biotic and abiotic factors.

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This study evaluated the biotechnological production of xylitol from sorghum forage biomass. The yeast Candida guilliermondii was cultivated in hemicellulosic hydrolysates obtained from biomass of three sorghum varieties (A, B, and C). First, the biomass was chemically characterized and subjected to dilute acid hydrolysis to obtain the hemicellulosic hydrolysates which were vacuum-concentrated and detoxified with activated charcoal.

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Article Synopsis
  • Lignocellulosic materials are promising for renewable ethanol production, but process improvements are necessary to lower costs.
  • The study focused on optimizing enzyme concentrations (cellulase and β-glucosidase) during simultaneous saccharification and fermentation (SSF) of sunflower meal biomass pretreated with sulfuric acid and sodium hydroxide.
  • The best results for ethanol production (27.88 g/L and 87.06% cellulose conversion) were achieved using 20 FPU/g of cellulase and 13.3 CBU/g of β-glucosidase with a specific ratio, demonstrating the importance of enzyme optimization in bioethanol production.
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