Results 171 to 180 of about 7,409 (204)

A plastid carbohydrate carrier mediates ribose recycling from nucleotide catabolism and glucose export from starch degradation. [PDF]

open access: yesNat Commun
Voß L   +12 more
europepmc   +1 more source

Genetic Characterisation of Closely Related <i>Lactococcus lactis</i> Strains Used in Dairy Starter Cultures. [PDF]

open access: yesInt J Mol Sci
Uvarova YE   +13 more
europepmc   +1 more source

Relative contribution of three Aspergillus niger transporters to D-xylose uptake

open access: green
Jiali Meng   +8 more
openalex   +1 more source
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Xylose transport pathways in rabbit ileum

American Journal of Physiology-Gastrointestinal and Liver Physiology, 1980
The D-xylose transepithelial transport mechanism was examined in rabbit ileum in vitro. The net flux of D-xylose (Jxylnet) from mucosa to serosa is abolished in the presence of 10(-4) M ouabain. D-Xylose stimulates the net flux of sodium (JNanet) and the short-circuit current (Isc) equally.
M, Heyman, A M, Dumontier, J F, Desjeux
openaire   +2 more sources

Xylose transport in the human jejunum

Digestive Diseases and Sciences, 1989
D-Xylose transport in the human jejunum was studied in vivo using a standard intestinal perfusion technique, and also in vitro in human jejunal brush border membrane vesicles. Initial D-xylose concentrations were linearly related to D-xylose absorption rates, a finding consistent with passive diffusion.
D D, Rolston, V I, Mathan
openaire   +2 more sources

Control of xylose consumption by xylose transport in recombinant Saccharomyces cerevisiae

Biotechnology and Bioengineering, 2003
AbstractSaccharomyces cerevisiae TMB3001 has previously been engineered to utilize xylose by integrating the genes coding for xylose reductase (XR) and xylitol dehydrogenase (XDH) and overexpressing the native xylulokinase (XK) gene. The resulting strain is able to metabolize xylose, but its xylose utilization rate is low compared to that of natural ...
Márk, Gárdonyi   +4 more
openaire   +2 more sources

Directed evolution of xylose specific transporters to facilitate glucose‐xylose co‐utilization

Biotechnology and Bioengineering, 2015
ABSTRACTA highly active xylose specific transporter without glucose inhibition is highly desirable in cost‐effective production of biofuels from lignocellulosic biomass. However, currently available xylose specific transporters suffer from low overall activity and most are inhibited by glucose. In this study, we applied a directed evolution strategy to
Meng, Wang, Chenzhao, Yu, Huimin, Zhao
openaire   +2 more sources

Xylose transport studies with xylose-utilizing Saccharomyces cerevisiae strains expressing heterologous and homologous permeases

Applied Microbiology and Biotechnology, 2007
In the present study, we modified xylose uptake properties of a recombinant xylose-utilizing yeast Saccharomyces cerevisiae by expression of heterologous and homologous permease-encoding genes. In a mutant yeast strain with the main seven hexose transporter genes deleted, and engineered for xylose utilization, we screened an expression cDNA library of ...
Saloheimo, Anu   +5 more
openaire   +4 more sources

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