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Determination of Glucan Chain Length Distribution of Glycogen using the Fluorophore-Assisted Carbohydrate Electrophoresis (FACE) Method.

Abstract : Glycogen particles are branched polysaccharides composed of linear chains of glucosyl units linked by α-1,4 glucoside bonds. The latter are attached to each other by α-1,6 glucoside linkages, referred to as branch points. Among the different forms of carbon storage (i.e., starch, β-glucan), glycogen is probably one of the oldest and most successful storage polysaccharides found across the living world. Glucan chains are organized so that a large amount of glucose can quickly be stored or fueled in a cell when needed. Numerous complementary techniques have been developed over the last decades to solve the fine structure of glycogen particles. This article describes Fluorophore-Assisted Carbohydrate Electrophoresis (FACE). This method quantifies the population of glucan chains that compose a glycogen particle. Also known as chain length distribution (CLD), this parameter mirrors the particle size and the percentage of branching. It is also an essential requirement for the mathematical modeling of glycogen biosynthesis.
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https://hal.univ-lille.fr/hal-03678033
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Soumis le : mercredi 25 mai 2022 - 10:29:08
Dernière modification le : jeudi 26 mai 2022 - 03:49:07

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Lea Fermont, Nicolas Szydlowski, Christophe Colleoni. Determination of Glucan Chain Length Distribution of Glycogen using the Fluorophore-Assisted Carbohydrate Electrophoresis (FACE) Method.. Journal of visualized experiments : JoVE, JoVE, 2022, Journal of visualized experiments : JoVE, ⟨10.3791/63392⟩. ⟨hal-03678033⟩

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