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Article
Selection of thermotolerant yeasts for simultaneous saccharification and fermentation (SSF) of cellulose to ethanol
A total of 27 yeast strains belonging to the groupsCandida, Saccharomyces, andKluyveromyces were screened for their ability to grow and ferment glucose at temperatures ranging 32-45°C.
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Article
Optimization of the simultaneous saccharification and fermentation process using thermotolerant yeasts
Different treatments to improve the thermotolerance of fermenting yeasts for simultaneous ethanol saccharification and fermentation process of cellulosic materials have been examined. Yeasts of the generaSaccharo...
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Article
Effect of media supplementation on ethanol production by simultaneous saccharification and fermentation process
In this study, fermentation tests on different initial glucose concentrations, ranging from 100 to 200 g/L, were conducted to identify the ethanol tolerance ofKluyveromyces marxianus EMS-26 strain at 42‡C. Lipid ...
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Article
Effect of surfactants and zeolites on simultaneous saccharification and fermentation of steam-exploded poplar biomass to ethanol
In this work, the effect of the addition of different concentrations of Tween-80 and three different zeolite-like products on enzymatic hydrolysis, ethanol fermentation, and simultaneous saccharification and f...
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Article
Effect of chip size on steam explosion pretreatment of softwood
Although considerable progress has been made in technology for converting lignocellulosic biomass into ethanol, substantial opportunities still exist toreduce production costs. In biomass pretreatment, reducin...
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Article
Ethanol production from paper material using a simultaneous saccharification and fermentation system in a fed-batch basis
In this work, a recycled paper-derived feedstock was used to produce ethanol by the simultaneous saccharification and fermentation (SSF) process using the thermotolerant yeast Kluyveromyces marxianus CECT 10875. ...
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Article
Application of fentonś reaction to steam explosion prehydrolysates from poplar biomass
The application of Fenton’s reaction to enhance the fermentability of prehydrolysates obtained from steam explosion pretreatment of poplar biomass was studied. Reaction conditions of temperature and H2O2 and Fe(I...
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Article
RYS1, a foldback transposon, is activated by tissue culture and shows preferential insertion points into the rye genome
The study of two variable amplicons of rye indicates that RYS1, a mobile element, is activated during tissue culture. We propose that RYS1 could be a foldback (FB) transposon. The FB transposons have been rarely ...
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Article
Open AccessOptimisation study of Ulmus pumila woody biomass fractionation by steam explosion for bioproducts production
Ulmus pumila represents a promising lignocellulosic biomass source for biofuels and bioproducts production since it can grow in low rainfall and extreme temperature zones. A first step in the conversion process i...
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Article
Open AccessInsights into the abundance, expression and diversity of key denitrification genes in an ecologically managed greenhouse agricultural soil
Understanding the bacteria associated with nitrification and denitrification is crucial for comprehending the processes that lead to nitrous oxide emissions in agricultural greenhouse soils. Therefore, it is i...