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17 Newest Publications about the topic fermentors

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Plasmid‐encoded biosynthetic genes alleviate metabolic disadvantages while increasing glucose conversion to shikimate in an engineered Escherichia coli strain

10-Feb-2017 | Alberto Rodriguez, Juan A. Martínez, Pierre Millard, Guillermo Gosset, Jean‐Charles Portais, Fabien Létisse, Francis ..., Biotechnology and Bioengineering, 2017

Abstract Metabolic engineering strategies applied over the last two decades to produce shikimate (SA) in Escherichia coli have resulted in a battery of strains bearing many expression systems. However, the effects that these systems have on the host physiology and how they impact the ...

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Wheat bran promotes enrichment within the human colonic microbiota of butyrate‐producing bacteria that release ferulic acid

04-Dec-2015 | Sylvia H Duncan, Wendy R Russell, Andrea Quartieri, Maddalena Rossi, Julian Parkhill, Alan W Walker, Harry J Flint, Environmental Microbiology, 2015

Summary Cereal fibres such as wheat bran are considered to offer human health benefits via their impact on the intestinal microbiota. We show here by 16S rRNA gene‐based community analysis that providing amylase‐pretreated wheat bran as the sole added energy source to human intestinal ...

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Comparative techno‐economic analysis of a softwood ethanol process featuring post‐hydrolysis sugars concentration operations and continuous fermentation with cell recycle

11-May-2015 | Steven J. Schneiderman, Raghu N. Gurram, Todd J. Menkhaus, Patrick C. Gilcrease, Biotechnology Progress, 2015

Abstract Economical production of second generation ethanol from Ponderosa pine is of interest due to widespread mountain pine beetle infestation in the western United States and Canada. The conversion process is limited by low glucose and high inhibitor concentrations resulting from ...

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Pilot-scale production of fuel ethanol from concentrated food waste hydrolysates using Saccharomyces cerevisiae H058

25-Sep-2012 | Shoubao Yan, Xiangsong Chen, Jingyong Wu, Pingchao Wang, Bioprocess and Biosystems Engineering, 2012

The aim of this study was to develop a bioprocess to produce ethanol from food waste at laboratory, semipilot and pilot scales. Laboratory tests demonstrated that ethanol fermentation with reducing sugar concentration of 200 g/L, inoculum size of 2 % (Initial cell number was 2 × 106 CFU/mL) and ...

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Microbial transformation of 2-amino-4-methyl-3-nitropyridine

28-Aug-2012 | Thomas Tully, Mark Liu, Yande Huang, Qingmei Ye, Ramesh N. Patel, Animesh Goswami, Journal of Industrial Microbiology and Biotechnology, 2012

Biotransformation of the highly substituted pyridine derivative 2-amino-4-methyl-3-nitropyridine by Cunninghamella elegans ATCC 26269 yielded three products each with a molecular weight of 169 Da which were identified as 2-amino-5-hydroxy-4-methyl-3-nitropyridine, ...

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Effect of Microaerobic Fermentation in Preprocessing Fibrous Lignocellulosic Materials

26-May-2012 | Manar Arica Alattar, Terrence R. Green, Jordan Henry, Vitalie Gulca, Mikias Tizazu, Robby Bergstrom, Radu Popa, Applied Biochemistry and Biotechnology, 2012

Amending soil with organic matter is common in agricultural and logging practices. Such amendments have benefits to soil fertility and crop yields. These benefits may be increased if material is preprocessed before introduction into soil. We analyzed the efficiency of microaerobic fermentation ...

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Rates of production and utilisation of lactate by microbial communities from the human colon

01-Jul-2011 | Alvaro Belenguer; Grietje Holtrop; Sylvia H. Duncan; Susan E. Anderson; A. Graham Calder; Harry J. Flint; Gerald E. ..., FEMS Microbiology Ecology, 2011

Abstract Lactate metabolism was studied in mixed bacterial communities using single‐stage continuous flow fermentors inoculated with faecal slurries from four different volunteers and run for 6 days at pH 5.5 and 6.0, using carbohydrates, mainly starch, as substrates. A continuous infusion of ...

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Scale-up of Ethanol Production from Winter Barley by the EDGE (Enhanced Dry Grind Enzymatic) Process in Fermentors up to 300 l

11-Jun-2011 | Applied Biochemistry and Biotechnology, 2011

Abstract A fermentation process, which was designated the enhanced dry grind enzymatic (EDGE) process, has recently been developed for barley ethanol production. In the EDGE process, in addition to the enzymes normally required for starch hydrolysis, commercial β-glucanases were used to ...

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Identification and characterization of a new naringinase-producing strain, Williopsis californica Jmudeb007

05-May-2011 | Hui Ni, Lijun Li, Anfeng Xiao, Ying Cao, Yuelong Chen, Huinong Cai, World Journal of Microbiology and Biotechnology, 2011

A new naringinase-producing strain, Jmudeb007 was indentified by means of morphological observation, gene homogeneous analysis and physiological and biochemical test. Its characteristics in expressing naringinase were investigated by batch culture in 7 L fermentors. Jmudeb007 grown white, ...

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Turnover of Carbohydrate-Rich Vegetal Matter During Microaerobic Composting and After Amendment in Soil

02-May-2011 | Terrence R. Green, Radu Popa, Applied Biochemistry and Biotechnology, 2011

We propose that microaerobic composting (MC) can be used to decompose vegetal matter with a short turnover time and large carbon (C) recycling potential. We used a novel method for measuring the degree of fragmentation of water-insoluble acid-soluble (WIAS) polysaccharides as a proxy in tracking ...

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