Results 261 to 270 of about 97,644 (305)
Enhanced UDP-glucose and UDP-galactose by homologous overexpression of UDP-glucose pyrophosphorylase in Lactobacillus casei [PDF]
Journal of Biotechnology, 2011 UDP-sugars are widely used as substrates in the synthesis of oligosaccharides catalyzed by glycosyltransferases. In the present work a metabolic engineering strategy aimed to direct the carbon flux towards UDP-glucose and UDP-galactose biosynthesis was successfully applied in Lactobacillus casei.
Jesus Rodríguez-Díaz, Maria Yebra
exaly +5 more sources
Preparation of UDP-galacturonic acid using UDP-sugar pyrophosphorylase [PDF]
Analytical Biochemistry, 2006 UDP-galacturonic acid, the activated form of galacturonic acid (GalUA), is synthesized both de novo and by salvage pathways. The UDP-GalUA pyrophosphorylase gene involved in the salvage pathway has not been identified. Here we show that UDP-sugar pyrophosphorylase from Pisum sativum with a broad specificity has UDP-GalUA pyrophosphorylase activity. The
Ohashi, Takao +3 more
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Current Drug Metabolism, 2000
Glucuronidation represents a major pathway which enhances the elimination of many lipophilic xenobiotics and endobiotics to more water-soluble compounds. The UDP-glucuronosyltransferase (UGT) family catalyzes the glucuronidation of the glycosyl group of a nucleotide sugar to an acceptor compound (aglycone) at a nucleophilic functional group of oxygen ...
C D, King +3 more
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Glucuronidation represents a major pathway which enhances the elimination of many lipophilic xenobiotics and endobiotics to more water-soluble compounds. The UDP-glucuronosyltransferase (UGT) family catalyzes the glucuronidation of the glycosyl group of a nucleotide sugar to an acceptor compound (aglycone) at a nucleophilic functional group of oxygen ...
C D, King +3 more
openaire +2 more sources
ACM SIGCOMM Computer Communication Review, 1996
In this paper we present our implementation of a modified UDP protocol appropriate for the mobile networking environment. Our protocol, like UDP, does not guarantee reliable delivery of datagrams. However, unlike UDP, it does ensure that the number of lost datagrams is kept small.
Kevin Q. Brown, Suresh Singh 0001
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In this paper we present our implementation of a modified UDP protocol appropriate for the mobile networking environment. Our protocol, like UDP, does not guarantee reliable delivery of datagrams. However, unlike UDP, it does ensure that the number of lost datagrams is kept small.
Kevin Q. Brown, Suresh Singh 0001
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Transport Features of the User Datagram Protocol (UDP) and Lightweight UDP (UDP-Lite).
RFC, 2018This is an informational document that describes the transport protocol interface primitives provided by the User Datagram Protocol (UDP) and the Lightweight User Datagram Protocol (UDP-Lite) transport protocols. It identifies the datagram services exposed to applications and how an application can configure and use the features offered by the Internet
Godred Fairhurst, Tom Jones
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The synthesis of UDP-galactosamine and UDP-N-acetylgalactosamine
Biochemical and Biophysical Research Communications, 1970Abstract A commercially available preparation of galactose-1-phosphateuridyl transferase was used in the synthesis of UDP-galactosamine and UDP-N-acetylgalactosamine. The method provides a relatively simple means for preparing these important biological materials in high yield and in an isotopic form of almost any desired specific radioactivity ...
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Synthesis of a Novel UDP-carbasugar as UDP-galactopyranose Mutase Inhibitor
Organic Letters, 2014The multistep synthesis of a novel UDP-C-cyclohexene, designed as a high energy intermediate analogue of the UDP-galactopyranose mutase (UGM) catalyzed isomerization reaction, is reported. The synthesis of the central carbasugar involved the preparation of a galactitol derivative bearing two olefins necessary for the construction of the cyclohexene ...
El Bkassiny, Sandy +4 more
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Steroid UDP glucuronosyltransferases
The Journal of Steroid Biochemistry and Molecular Biology, 1992The glucuronidation of steroids is a major process necessary for their elimination in the bile and urine. In general, steroid glucuronides are biologically less reactive than their parent steroids. However, in some cases often associated with disease and steroid therapy, more reactive or toxic glucuronides may be formed.
P I, Mackenzie, L, Rodbourne, S, Stranks
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The Journal of Organic Chemistry, 1999
For the enzymatic transfer of galactose, N-acetylglucosamine, and N-acetylgalactosamine, UDP-Gal (1), UDP-GlcNAc (2), and UDP-GalNAc (3) are employed, and UDP serves as a feedback inhibitor. In this paper the synthesis of the novel UDP-sugar analogues 4, 5, and 6 as potential transferase inhibitors is described.
A, Schäfer, J, Thiem
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For the enzymatic transfer of galactose, N-acetylglucosamine, and N-acetylgalactosamine, UDP-Gal (1), UDP-GlcNAc (2), and UDP-GalNAc (3) are employed, and UDP serves as a feedback inhibitor. In this paper the synthesis of the novel UDP-sugar analogues 4, 5, and 6 as potential transferase inhibitors is described.
A, Schäfer, J, Thiem
openaire +2 more sources