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UDP-apiose, a donor substrate of apiosyltransferases, is labile because of its intramolecular self-cyclization ability, resulting in the formation of apiofuranosyl-1,2-cyclic phosphate. Therefore, stabilization of UDP-apiose is indispensable for its availability and identifying and characterizing the apiosyltransferases involved in the biosynthesis of apiosylated sugar chains and glycosides. Here, we established a method for stabilizing UDP-apiose using bulky cations as counter ions. Bulky cations such as triethylamine effectively suppressed the degradation of UDP-apiose in solution. The half-life of UDP-apiose was increased to 48.1 ± 2.4 h at pH 6.0 and 25 °C using triethylamine as a counter cation. UDP-apiose coordinated with a counter cation enabled long-term storage under freezing conditions. UDP-apiose was utilized as a donor substrate for apigenin 7-O-β-D-glucoside apiosyltransferase to produce the apiosylated glycoside apiin. This apiosyltransferase assay will be useful for identifying genes encoding apiosyltransferases.
This article was published in the following journal.
Name: Carbohydrate research
Esteya vermicola is an endophytic fungus of pine wood nematode with demonstrated biocontrol efficacy. At present, the methods for detection of this fungus from pine wood is still inconvenient and inef...
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Methods used for studying the interactions of antibodies with specific regions of protein antigens. Important applications of epitope mapping are found within the area of immunochemistry.
Corrosive oxidant, explosive; additive to diesel and rocket fuels; causes skin and lung irritation; proposed war gas. A useful reagent for studying the modification of specific amino acids, particularly tyrosine residues in proteins. Has also been used for studying carbanion formation and for detecting the presence of double bonds in organic compounds.
The application of scientific knowledge or technology to the field of radiology. The applications center mostly around x-ray or radioisotopes for diagnostic and therapeutic purposes but the technological applications of any radiation or radiologic procedure is within the scope of radiologic technology.
The practical application of physical, mechanical, and mathematical principles. (Stedman, 25th ed)
The application of scientific knowledge to practical purposes in any field. It includes methods, techniques, and instrumentation.
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An assay is an analytic procedure for qualitatively assessing or quantitatively measuring the presence or amount or the functional activity of a target entity. This can be a drug or biochemical substance or a cell in an organism or organic sample. ...