Results 111 to 120 of about 148,176 (359)

Increased expression of the oxidative pentose phosphate pathway and gluconeogenesis in anaerobically growing xylose-utilizing Saccharomyces cerevisiae

open access: yesMicrobial Cell Factories, 2009
Background Fermentation of xylose to ethanol has been achieved in S. cerevisiae by genetic engineering. Xylose utilization is however slow compared to glucose, and during anaerobic conditions addition of glucose has been necessary for cellular growth. In
Hahn-Hägerdal Bärbel   +2 more
doaj   +1 more source

Expression systems for industrial Gram-positive bacteria with low guanine and cytosine content [PDF]

open access: yes, 1997
Recent years have seen an increase in the development of gene expression systems for industrial Gram-positive bacteria with low guanine and cytosine content that belong to the genera Bacillus, Clostridium, Lactococcus, Lactobacillus, Staphylococcus and ...
Kleerebezem, Michiel,   +2 more
core   +2 more sources

An Insight Into Necessity of Complete Electrolyte for Photogalvanics and Contribution of Thermal and Photo‐Processes in Solar Power Generation Through the Photo‐Galvanic Cells

open access: yesBattery Energy, EarlyView.
The reductant/sensitizer/etc. individually shows only thermally‐induced current in photogalvanic cell. Only, complete electrolyte is able to show solar energy conversion. Use of complete electrolyte is a necessary condition for solar power generation through the photogalvanics.
Reetoo, Pooran Koli, Jyoti Saren
wiley   +1 more source

Fungi isolated from Miscanthus and sugarcane: biomass conversion, fungal enzymes, and hydrolysis of plant cell wall polymers. [PDF]

open access: yes, 2015
BackgroundBiofuel use is one of many means of addressing global change caused by anthropogenic release of fossil fuel carbon dioxide into Earth's atmosphere.
Bauer, Stefan   +6 more
core   +2 more sources

Determination of D-Xylose in Urine for the D-Xylose Absorption Test

open access: yesClinical Chemistry, 1969
Abstract A method is described for the determination of D-xylose in urine which is based on the specific absorptivity of the pentose o-toluidine complex. Quantitation of xylose can be made in the presence of a hexose.
openaire   +3 more sources

Evolutionary engineered Candida intermedia exhibits improved xylose utilization and robustness to lignocellulose-derived inhibitors and ethanol

open access: yesApplied Microbiology and Biotechnology, 2018
The development of robust microorganisms that can efficiently ferment both glucose and xylose represents one of the major challenges in achieving a cost-effective lignocellulosic bioethanol production.
A. D. Moreno   +4 more
semanticscholar   +1 more source

Biochemical Characterization of Multimodular Xylanolytic Carbohydrate Esterases from the Marine Bacterium Flavimarina sp. Hel_I_48

open access: yesChemBioChem, EarlyView.
Multimodular carbohydrate‐active enzymes often combine different catalytic activities for efficient polysaccharide degradation. In this work, the structural and functional characterization of three multimodular xylan‐targeting esterases, Fl6, Fll1 and Fll4 from Flavimarina sp. Hel_I_48, are presented.
Michelle Teune   +4 more
wiley   +1 more source

Feedbacks from the metabolic network to the genetic network reveal regulatory modules in E. coli and B. subtilis

open access: yes, 2018
The genetic regulatory network (GRN) plays a key role in controlling the response of the cell to changes in the environment. Although the structure of GRNs has been the subject of many studies, their large scale structure in the light of feedbacks from ...
Jain, Sanjay   +2 more
core   +2 more sources

Influence of the ionic composition on the diffusion mass transfer of saccharides through a cation-exchange membrane [PDF]

open access: yes, 2013
Recent studies have pointed out that the presence of salts can change significantly the membrane process performances because of the resulting modification of the neutral solutes transfer through the membrane.
Galier, Sylvain   +2 more
core   +2 more sources

Unearthing the Ecology of Soil Microorganisms Using a High Resolution DNA-SIP Approach to Explore Cellulose and Xylose Metabolism in Soil

open access: yesFrontiers in Microbiology, 2016
We explored microbial contributions to decomposition using a sophisticated approach to DNA Stable Isotope Probing (SIP). Our experiment evaluated the dynamics and ecological characteristics of functionally defined microbial groups that metabolize labile ...
C. Pepe-Ranney   +4 more
semanticscholar   +1 more source

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