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Legesse Garedew et al.
BMC microbiology, 15, 100-100 (2015-05-13)
Listeriosis, mostly caused by Listeria monocytogenes species, has become a major concern to public health authorities due to its clinical severity and high mortality rate, particularly in high risk groups. Currently, there is limited information regarding the prevalence and antimicrobial
Wenjian Guan et al.
Bioresource technology, 200, 713-721 (2015-11-13)
Paper mill sludge (PS), a solid waste from pulp and paper industry, was investigated as a feedstock for acetone-butanol-ethanol (ABE) production by simultaneous saccharification and fermentation (SSF). ABE fermentation of paper sludge by Clostridium acetobutylicum required partial removal of ash
Fei Huang et al.
Molecules (Basel, Switzerland), 19(8), 12760-12776 (2014-08-21)
Dried litchi pulp has been used in traditional remedies in China for many years to treat various diseases, and the therapeutic activity has been, at least partly, attributed to the presence of bioactive polysaccharides. Polysaccharide-protein complexes from vacuum freeze-(VF), vacuum
Benjamin L Golomb et al.
Journal of bacteriology, 197(2), 371-381 (2014-11-12)
Lactic acid bacteria have been isolated from living, harvested, and fermented plant materials; however, the adaptations these bacteria possess for growth on plant tissues are largely unknown. In this study, we investigated plant habitat-specific traits of Lactococcus lactis during growth
Tania Chroumpi et al.
Frontiers in bioengineering and biotechnology, 9, 644216-644216 (2021-03-26)
The filamentous ascomycete Aspergillus niger has received increasing interest as a cell factory, being able to efficiently degrade plant cell wall polysaccharides as well as having an extensive metabolism to convert the released monosaccharides into value added compounds. The pentoses
Fátima Vargas et al.
Bioresource technology, 191, 263-270 (2015-05-23)
In the present work, the hydrothermal valorization of an abundant agricultural residue has been studied in order to look for high added value applications by means of hydrothermal pretreatment followed by fed-batch simultaneous saccharification and fermentation, to obtain oligomers and
Nan Wang et al.
Carbohydrate polymers, 111, 47-55 (2014-07-20)
A neutral polysaccharide fraction (SMPA) prepared from the roots of Salvia miltiorrhiza by DEAE-cellulose and Sephadex G-100 chromatography was tested for its immune enhancing function in N-methyl-N'-nitro-nitrosoguanidine (MNNG)-induced gastric cancer rats by intragastric administration. SMPA (200mg/kg) treatment not only increased
Pengfei Sun et al.
Scientific reports, 5, 17465-17465 (2015-12-03)
In the present work, a novel bioflocculant, EPS-1, was prepared and used to flocculate the kaolin suspension and Microcystis aeruginosa. We focused on the characteristics and flocculation performance of EPS-1, especially with regard to its protein components. An important attribute
Tian Xia et al.
Applied and environmental microbiology, 81(10), 3387-3394 (2015-03-10)
Escherichia coli that is unable to metabolize d-glucose (with knockouts in ptsG, manZ, and glk) accumulates a small amount of d-glucose (yield of about 0.01 g/g) during growth on the pentoses d-xylose or l-arabinose as a sole carbon source. Additional
Jose Serate et al.
Biotechnology for biofuels, 8, 180-180 (2015-11-20)
Microbial conversion of lignocellulosic feedstocks into biofuels remains an attractive means to produce sustainable energy. It is essential to produce lignocellulosic hydrolysates in a consistent manner in order to study microbial performance in different feedstock hydrolysates. Because of the potential
Leonora Rios de Souza Moreira et al.
Carbohydrate polymers, 134, 700-708 (2015-10-03)
Two endo-β-1,4-xylanases named XylT1 and XylT2, previously purified from Aspergillus terreus, were structurally investigated by fluorescence quenching and characterized with respect to their binding properties with phenolic compounds. Neutral and charged quenchers had access to both enzymes in neutral and
Jin Qi et al.
Chemical & pharmaceutical bulletin, 63(3), 187-194 (2015-03-12)
Two new steroidal glycosides (1 and 2), together with 15 known compounds (3-17) were isolated from the fibrous roots of Ophiopogon japonicus, and three new steroidal glycosides (18-20), together with 14 known compounds (21-34) were isolated from the fibrous roots
Huijun Wang et al.
Carbohydrate polymers, 124, 98-108 (2015-04-04)
A water-soluble polysaccharide, 7WA, with an average molecular mass of 7.1×10(4)Da, was isolated from the leaves of green tea. Monosaccharide composition analysis indicated that 7WA mainly contained Arabinose and Galactose in the molar ratio of 1.0:0.96. By using the methods
Joseph A Rollin et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(16), 4964-4969 (2015-04-08)
The use of hydrogen (H2) as a fuel offers enhanced energy conversion efficiency and tremendous potential to decrease greenhouse gas emissions, but producing it in a distributed, carbon-neutral, low-cost manner requires new technologies. Herein we demonstrate the complete conversion of
Dong-Dong Meng et al.
Applied and environmental microbiology, 81(6), 2006-2014 (2015-01-13)
Xylanases are crucial for lignocellulosic biomass deconstruction and generally contain noncatalytic carbohydrate-binding modules (CBMs) accessing recalcitrant polymers. Understanding how multimodular enzymes assemble can benefit protein engineering by aiming at accommodating various environmental conditions. Two multimodular xylanases, XynA and XynB, which
Meigui Huang et al.
Journal of food science and technology, 52(2), 858-866 (2015-02-20)
A novel gradient temperature-elevating Maillard reaction was developed to effectively produce light-colored MRPs. The main purpose of the present study was to compare the color, taste characteristic, non-volatile compounds, volatile compounds and antioxidant activity of MRPs prepared by the novel
Stephen R Hughes et al.
Journal of laboratory automation, 20(6), 621-635 (2015-02-28)
A yeast artificial chromosome (YAC) containing a multigene cassette for expression of enzymes that enhance xylose utilization (xylose isomerase [XI] and xylulokinase [XKS]) was constructed and transformed into Saccharomyces cerevisiae to demonstrate feasibility as a stable protein expression system in
Chandan Kundu et al.
Bioresource technology, 178, 28-35 (2014-09-11)
In order to produce ethanol from yellow poplar, deacetylation was performed using sodium hydroxide (NaOH). Optimal deacetylation conditions were determined by a response surface methodology. The highest acetic acid concentration obtained was 7.06 g/L when deacetylation was performed at 60
Karel Horňák et al.
Journal of chromatography. A, 1365, 115-123 (2014-09-23)
The concentrations of free neutral carbohydrates and amino sugars were determined in freshwater samples of distinct matrix complexity, including meso-, eu- and dystrophic lakes and ponds, using high-performance ion-exclusion chromatography (HPIEC) coupled to mass spectrometry (MS). In contrast to other
Lorenz Gerber et al.
The New phytologist, 203(4), 1220-1230 (2014-06-13)
The biosynthesis of wood in aspen (Populus) depends on the metabolism of sucrose, which is the main transported form of carbon from source tissues. The largest fraction of the wood biomass is cellulose, which is synthesized from UDP-glucose. Sucrose synthase
Jun Liu et al.
International journal of biological macromolecules, 72, 1182-1190 (2014-09-27)
Optimization of extraction conditions, preliminary characterization and in vitro antioxidant activity of polysaccharides from black soybean (BSPS) were investigated. The results of Box-Behnken design showed that the optimal extraction conditions for BSPS were as follows: ratio of water to material
Qing Wang et al.
Analytica chimica acta, 854, 191-201 (2014-12-07)
A hydrophilic stationary phase (SP) was prepared through grafting N-methylene phosphonic acid chitosan on magnesia-zirconia particles (P-CTS-MgO-ZrO2) via Lewis acid-base interaction. The resulting material was characterized by thermogravimetric analysis, Fourier transform infrared spectroscopy, scanning electron microscope and nitrogen adsorption analysis.
Elodie Alinat et al.
Electrophoresis, 36(14), 1555-1563 (2015-03-31)
This work focuses on the development of a CE method allowing, for the first time, the simultaneous separation of the underivatized first seven cellodextrin oligomers (glucose, cellobiose, cellotriose, cellotetraose, cellopentaose, cellohexaose, and celloheptaose), with a view to analyze the hydrolysates
Kazuhiko Kurosawa et al.
Biotechnology for biofuels, 8, 76-76 (2015-06-09)
Lignocellulosic biomass has been investigated as a renewable non-food source for production of biofuels. A significant technical challenge to using lignocellulose is the presence of microbial growth inhibitors generated during pretreatment processes. Triacylglycerols (TAGs) are potential precursors for lipid-based biofuel
Yang Xing et al.
Bioresource technology, 193, 401-407 (2015-07-08)
This study reports four schemes to pretreat wet furfural residues (FRs) with sodium bisulfite for production of fermentable sugar. The results showed that non-detoxified FRs (pH 2-3) had great potential to lower the cost of bioconversion. The optimal process was
Philippe Debeire et al.
FEMS microbiology letters, 355(2), 116-123 (2014-05-16)
Fusarium graminearum was grown on four lignocellulosic substrates (corn cobs, wheat bran, hop cell walls, and birchwood) and glucose as the sole carbon source. Proteomic studies performed on the resulting enzymatic cocktails highlighted a great diversity in the number and
Leya Thomas et al.
Indian journal of experimental biology, 53(6), 356-363 (2015-07-15)
Here, we described the production of a cellulase-free alkaline xylanase from Bacillus pumilus MTCC 5015 by submerged fermentation and its application in biobleaching. Various process parameters affecting xylanase production by B. pumilus were optimized by adopting a Plackett-Burman design (PBD)
Meng Li et al.
Bioresource technology, 167, 14-23 (2014-06-27)
Sweet sorghum has been regarded as a typical species for rich soluble-sugar and high lignocellulose residues, but their effects on biomass digestibility remain unclear. In this study, we examined total 63 representative sweet sorghum accessions that displayed a varied sugar
Alexandre F Somera et al.
Applied and environmental microbiology, 81(13), 4525-4535 (2015-04-26)
Leaf-cutter ants use plant matter to culture the obligate mutualistic basidiomycete Leucoagaricus gongylophorus. This fungus mediates ant nutrition on plant resources. Furthermore, other microbes living in the fungus garden might also contribute to plant digestion. The fungus garden comprises a
Rongjun He et al.
International journal of biological macromolecules, 78, 56-61 (2015-04-04)
Three polysaccharides (SAP30, SAP60 and SAP80) were separated from the body of Edwardsia sipunculoides by tissue homogenate and papain hydrolysis. Total soluble sugar contents, monosaccharide compositions, antioxidant and antitumor activities in vitro of those polysaccharides were investigated, respectively. Results showed
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