• Searching for the best microbial strains having efficient lignin-degrading and polysaccharide-hydrolyzing capabilities is vital to realize industrial-scale biofuel production from lignocellulose biomass. (springeropen.com)
  • Sucrose and other sugars, such as xylose, rhamnose and arabinose, are present in very low concentrations, and it is widely accepted that S. cerevisiae strains do not use these sugars as carbon or energy sources during alcoholic fermentation (Bisson, 1993). (moam.info)
  • When yeasts ferment sugars, they produce alcohol (ethanol) in addition to carbon dioxide. (laverace.com)
  • they are responsible for the conversion of sugars to ethanol and carbon dioxide, which make a relatively small contribution to flavour, and hundreds of by-products, some of them not yet identified, that greatly contribute to the fermentation bouquet. (moam.info)
  • Lactic acid produced by fermentation of milk is often racemic, although certain species of bacteria produce solely D-lactic acid. (wikipedia.org)
  • Production of racemic lactic acid consisting of a 1:1 mixture of D and L stereoisomers, or of mixtures with up to 99.9% L-lactic acid, is possible by microbial fermentation. (wikipedia.org)
  • Fermented milk products are obtained industrially by fermentation of milk or whey by Lactobacillus bacteria: Lactobacillus acidophilus, Lacticaseibacillus casei (Lactobacillus casei), Lactobacillus delbrueckii subsp. (wikipedia.org)
  • Further analysis explained why R. ferrireducens is unable to grow via photosynthesis or fermentation of sugars like other members of this genus and uncovered novel genes for benzoate metabolism. (biomedcentral.com)
  • Increased abundance of methanogenic archaea and hydrolytic bacteria indicated improved anaerobic digestion. (preprints.org)
  • These findings contribute to optimizing biogas production systems and understanding the complex microbial interactions within anaerobic digesters. (preprints.org)
  • This study investigated the impact of the Evogen microbial additive on biogas production and digester quality through microbial abundance and physicochemical parameter analysis. (preprints.org)
  • Two biogas plants, BG01 and BG02, were examined using 16S rRNA profiling to assess microbial abundance. (preprints.org)
  • The majority of proteins involved in pyruvate catabolism and end-product synthesis were detected with high abundance, with the exception of aldehyde dehydrogenase, ferredoxin-dependent Ech-type [NiFe]-hydrogenase, and RNF-type NADH:ferredoxin oxidoreductase. (biomedcentral.com)
  • The remediation of the Cr-contaminated soil with BC-nZVI resulted in a significant increase in OTUs and α-diversity index, and even a significant increase in the abundance and diversity of indigenous bacteria and unique bacterial species in the community by reducing the toxic concentration of Cr, changing soil properties, and providing habitat for survival. (bvsalud.org)
  • It also has the unique ability to convert sugars to electricity, oxidizing the sugars to carbon dioxide with quantitative electron transfer to graphite electrodes in microbial fuel cells. (biomedcentral.com)
  • Rhodoferax ferrireducens is of interest because of its potentially important role in carbon and metal cycling in soils and sediments and its novel ability to convert sugars into electricity [ 1 ]. (biomedcentral.com)
  • The novel ability of R. ferrireducens to oxidize sugars to carbon dioxide with quantitative electron transfer to electrodes in microbial fuel cells is of interest because of the possibility of using sugars as a renewable energy source for power production [ 1 , 8 , 9 ]. (biomedcentral.com)
  • P. putida , like many other bacteria grown on glycolytic carbon sources, produces acetyl-CoA through pyruvate decarboxylation. (biomedcentral.com)
  • The main objective of this paper is to review the delignification and hydrolysis capabilities of microorganisms (bacteria and fungi). (springeropen.com)
  • In yeasted breads, acids come in small doses from naturally occurring bacteria present in flour and commercial yeast. (laverace.com)
  • In wine, some aroma compounds arise from the must with minor or no modifications, while others are products of yeast metabolism, in particular from the sugar and nitrogen compounds initially present in the grapes. (moam.info)
  • l-Arabinose transport and catabolism in yeast. (microbiologyresearch.org)
  • Notably, proteins involved in pyruvate synthesis decreased in stationary phase, whereas proteins involved in glycogen metabolism, pyruvate catabolism, and end-product synthesis increased in stationary phase. (biomedcentral.com)
  • These bacteria lack the aldolase and glucose-6-phosphate NADP + oxidoreductase enzymes and use an alternative route to metabolize carbohydrates, in which phosphoketolases are key. (biomedcentral.com)
  • They are composed of monomers of five different sugars (i.e., d -xylose, l -arabinose, d -galactose, d -mannose, and d -glucose). (springeropen.com)
  • 1996). Glucose and fructose are the major sugars in berry and grape-must, with concentrations ranging from 150 to 300 g l-1. (moam.info)
  • While the pathways in this discussion start with sugar and finish as various end-products, there are several intermediate compounds formed along the way as one thing is converted to the next. (laverace.com)
  • Results revealed distinct microbial community shifts in Evogen-treated digesters. (preprints.org)
  • Our results suggest that a decrease in mRNAs encoding high-affinity/active sugar transport systems may be a widespread and conserved mechanism in yeasts, limiting expression of these proteins whenever their activity is dispensable. (microbiologyresearch.org)
  • The shikimate pathway is present in BACTERIA and PLANTS but not in MAMMALS. (nih.gov)
  • This interest is driven by the need to improve microbial performance to a level that enables biologically possible processes to become economically feasible, thereby fostering the transition from an oil-based economy to a more sustainable bio-based one. (biomedcentral.com)
  • As a starting material for industrial production of lactic acid, almost any carbohydrate source containing C 5 (Pentose sugar) and C 6 (Hexose sugar) can be used. (wikipedia.org)
  • PHAs are typically synthesized in bacteria from sugars or lipids and have industrial interest due to their properties as thermoplastics and elastomers [ 12 ]. (biomedcentral.com)
  • Significantly higher biogas production was observed in Evogen-treated digesters, highlighting its potential as a microbial additive. (preprints.org)
  • In summary, Evogen microbial additive positively influenced microbial dynamics, improving biogas production and digester quality. (preprints.org)
  • The purpose of this study was to investigate the effect of BC-nZVI composites on the removal of Cr(VI) from soil, and indigenous microbial diversity and community composition. (bvsalud.org)
  • Bacteria produce organic acids that contribute, for good and bad, to the quality of bread. (laverace.com)
  • These enzymes irreversibly cleave the sugar phosphates xylulose-5-phosphate (X5P) and fructose-6-phosphate (F6P) to glyceraldehyde-3-phosphate (G3P) and erythrose-4-phosphate (E4P) respectively, releasing an acetyl-phosphate (AcP) in the process. (biomedcentral.com)