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Showing 1 to 20 of 116 for “"Glucan"”.
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Glucan synthase of Phytophthora sojae
Glucans, with the (1-3)-b-glucosidic linkage as major feature, are present in most of the higher plants, in many lower plants, as well as in microorganisms (Stone and Clarke, 1992). The synthesis of (1-3)-b-glucan in vivo is catalysed by the enzyme (1-3)-b-glucan synthase (EC 2.4.1.34; …
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Glucan metabolism in mycobacterium and streptomyces
α-Glucans are typically used for carbon storage in bacteria, however, they are also a major component of the mycobacterial capsule. In this context, glucans have been implicated in the evasion of recognition by macrophages. A novel α-glucan synthesis pathway, called the GlgE pathway, is a potential …
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Delivering β-glucan via selected bakery systems : cake
… ways in developing a health-promoting diet. β-glucan, a soluble dietary fibre present in cereal grains, has many health benefits, which include reduction in blood cholesterol and, improving insulin response. Due to its viscosity enhancing and water binding properties, β-glucan is considered as …
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EVALUATION OF ALPHA-D-GLUCAN NANOPARTICLE AS A VACCINE ADJUVANT
… we evaluated the potential of dendrimer-like α-D-glucan nanoparticles, derived from a variety of sweet corn, as a vaccine adjuvant. The nanoparticles, termed Nano-11, have an average diameter of 75-80 nm and were modified to give them a positive surface charge. Injection of antigens with Nano-11 …
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Extractability and viscosity of β-glucan from oat bread during in vitro digestion
Oat β-glucan is well known for its health benefits, which are related to its rheological behavior in the gut. The objective of this thesis was to investigate the extractability and viscosity of β-glucan from oat bread under physiological conditions and to see whether there were varietal …
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Regulation of (1,3;1,4)-β-Glucan Synthesis in Barley (<i>Hordeum vulgare</i> L.)
(1,3;1,4)-β-Glucan is the most abundant non-cellulosic polysaccharide that accumulates in the cell walls of barley grain. This polysaccharide is of importance because barley grains contain higher levels of (1,3;1,4)-β-glucan compared to other small grain cereals. Grain (1,3;1,4)-β-glucan …
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(alpha)-Glucan-Phosphorylasen aus Weizen (Triticum aestivum L.) Isolierung, Charakterisierung und Analyse der Expression
Pflanzliche a-Glucan-Phosphorylasen (EC 2.4.1.1) können Stärke sowohl synthetisieren als auch abbauen. In Blättern und Körnern des Weizen var. Star können drei Phosphorylaseformen (P1, P2 und P3) mittels nicht-denaturierender Elektrophorese im Glycogen-haltigen Polyacrylamidgel unterschieden …
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Alpha-Glucan, Water Dikinase and the Control of Starch Degradation in Arabidopsis thaliana Leaves
This thesis examines the role of alpha-glucan, water dikinase (GWD) in the control of starch degradation in Arabidopsis thaliana leaves. Starch is degraded at night in Arabidopsis leaves to provide carbon for metabolism and growth. The rate of starch degradation is constant through the night and is …
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The effect of β-glucan structure on the rheological properties of yeast cell walls
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Nutrition and Food Science, 1983.
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Purification and properties of a β-1, 4-glucan 4- glucanohydrolase from Trichoderma viride
A β-1,4-glucan 4-glucanohydrolase or 3.2.1.4. from Trichoderma viride was purified 39-fold over the crude enzyme and completely freed of hydrocellulase, β-1,4-exoglucanase, and aryl-β-D-glucosidase activities by the application of Avicel column adsorption chromatography, alkali swollen cellulose …
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Identification of genes involved in (1,3;1,4)-β-glucan synthesis in barley (<i>Hordeum vulgare</i>)
… walls in barley (Hordeum vulgare) is (1,3;1,4)-β-glucan, a polymer that has proven health benefits in the human diet, but that is undesirable for the brewing and distilling industry as it influences grain processability. Up to now, the main gene identified as having an involvement in …
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Regulation of (1,3;1,4)-beta-glucan synthesis in barley (Hordeum vulgare L.) endosperm and leaf tissues.
… explore the regulatory mechanism for (1,3;1,4)-β-glucan synthesis in barley (Hordeum vulgare L.) in both endosperm and leaf tissues. For the grain (1,3;1,4)-β-glucan content regulation study, transcriptional profiles of candidate genes involved in (1,3;1,4)-β-glucan synthesis and degradation, from …
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Process-induced changes on the functionality of oat β-glucan evaluated using a gastrointestinal simulation model
Increasing the intake of β-glucan can lead to a reduction in LDL cholesterol and attenuation of postprandial blood glucose levels. Health-promoting effects of oat β-glucan are proposed to be related to its extractability, molecular weight (MW), and viscosity enhancement in the gastrointestinal (GI) …
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Identifizierung, Klonierung und Sequenzierung der 1,3-ß-D-Glucan-Synthetase bei der humanpathogenen Hefespezies Candida glabrata
… Dabei rückte die Hemmung der 1-3-ß-D-Glucan-Synthetase in den Brennpunkt wissenschaftlichen Interesses. Die 1-3-ß-D-Glucan-Synthetase ist ein pilzspezifisches Enzym, welches beim Menschen nicht vorkommt. Sie ist am Zellwandaufbau der Hefen beteiligt und wird durch die FKS Gene codiert. …
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Impact of Dietary Beta-glucan Supplementation on Performance and Immune Response of Broiler Chickens During Challenge
… One approach under development is the use of -glucans, which are carbohydrates from cell walls of various plant species. The first study evaluated the feeding effects of algae- derived -glucans on performance and responses of broilers during a coccidiosis challenge. Cobb 500 broilers (n=1280) …
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Structural characterization of a glycoprotein cellulase, β-(1[arrow]4)-glucan cellobiohydrolase C, from Trichoderma viride
A 3.5 gram quantity of β-(1→4)-glucan cellobiohydrolase C was purified from a commercial Trichoderma viride culture filtrate preparation, Meicelase P. Compared to the A and B forms, the C form of the cellobiohydrolase is present in the crude enzyme preparation in greater quantity and has a higher …
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Role of β-galactofuranose and β-glucan in Aspergillus nidulans hyphal cell wall ultrastructure and physical properties
… the external environment or chemical treatments. Glucan, chitin and mannan are the main components of the Aspergillus nidulans hyphal cell wall. The sugar β-galactofuranose is a minor component of the cell wall and thought to be responsible for cross-linking of the other cell wall components, …
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Development and evaluation of a beta-glucan biopolymer formulation of lactoferrin produced using a novel cryomilling technique
… In the present study, a natural polymer, β-glucan, was investigated as a protein carrier. A novel methodology was developed to produce microparticles encapsulating bovine lactoferrin (bLF), a whey protein from milk. β-glucan was investigated as a protein delivery candidate for the first time …
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Evaluation of Pgg-Glucan, a Novel Immunomodulator, in in Vitro and Ex Vivo Models of Equine Endotoxemia
… Objective - To determine the effect of PGG-Glucan on the cytokine response to endotoxin in the horse. Animals - Part 1; 6 adult horses. Part 2; 12 adult horses. Procedure - Part 1; Whole blood was collected, aliquoted, and incubated in vitro in four groups; saline control, endotoxin (LPS) …
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