Glycan Biosynthesis
Glycan Biosynthesis - Related Videos
06:46
Imaging Glycans in Zebrafish Embryos by Metabolic Labeling and Bioorthogonal Click Chemistry
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Cited by 11 •
2011
A click-chemistry based method that allows for the rapid, noninvasive, and robust labeling of alkyne-tagged glycans in zebrafish embryos is described. Fucosylated glycans in the enveloping layer of zebrafish embryos in the late gastrulation stage were imaged in this study.
04:57
Detecting Circulating Anti-Glycan Antibodies with a Printed Glycan Array
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2025
This video demonstrates printed glycan array technology for analyzing circulating anti-glycan antibodies in mouse serum. The antibodies in the serum interact with specific glycans on the chip, which is confirmed by immunostaining followed by fluorescence scanning.
11:36
Glycan Node Analysis: A Bottom-up Approach to Glycomics
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Cited by 16 •
2016
This article presents an enhanced form of a novel bottom-up glycomics technique designed to analyze the pooled compositional profile of glycans in unfractionated biofluids through the chemical breakdown of glycans into their constituent linkage-specific monosaccharides for detection by GC-MS. Potential applications include early detection of cancer and other glycan-affective disorders.
01:29
Biosynthesis of Polyhydroxyalkanoates by Pseudomonas aeruginosa in a Carbon-Rich Medium
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2025
Begin with a strain of Pseudomonas aeruginosa bacteria, isolated from oil-contaminated soil, in a medium containing a nitrogen source and an excess of edible oil as the carbon source.This strain synthesizes polyhydroxyalkanoate (PHA), a long-chain polymer useful in producing bioplastics.Incubate under agitation to facilitate aeration and promote bacterial growth.Initially, the medium supplies both carbon and nitrogen sources to support bacterial proliferation and generate high biomass.After...
01:24
Biosynthesis in Bacteria
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2025
Biosynthesis in bacteria is a fundamental anabolic process that generates essential macromolecules, including proteins, nucleic acids, lipids, and polysaccharides. These macromolecules are critical for cellular growth, replication, and function. The process is tightly regulated and energetically linked to catabolic pathways to ensure optimal resource utilization.Biosynthetic pathways begin with precursor metabolites such as pyruvate, acetyl-CoA, and glucose-6-phosphate derived from glycolysis,...
FAQs
Activated sugar donors provide the molecular inputs needed for stepwise carbohydrate assembly. Glycosyltransferases use these donors to build specific glycan structures, while glycosidases modify structures as biosynthesis proceeds. Because the resulting glycans can be attached to proteins, lipids, and other molecules, changes in donor use can alter recognition, communication, and signaling in immune and infectious settings.
The endoplasmic reticulum and Golgi apparatus organize glycan assembly and modification across successive cellular stages. This compartmental arrangement allows different biosynthetic activities to act on molecules as they move through the secretory pathway. The resulting structural changes help determine how glycoproteins and other glycoconjugates participate in immune-cell communication, receptor signaling, and interactions with pathogens.
These enzyme classes contribute different activities within the biosynthetic sequence. Glycosyltransferases assemble carbohydrate chains from activated sugar donors, whereas glycosidases modify existing glycan structures. Their coordinated action determines which patterns are displayed on proteins, lipids, and other molecules. Those patterns can influence cellular recognition and communication, making enzyme activity relevant to both immune regulation and infection.
Changes in glycan production can modify the carbohydrate structures displayed by immune-cell proteins and lipids. Because these structures influence recognition and communication, altered biosynthesis may affect immune-cell development and receptor signaling. Studying such changes helps connect molecular glycan patterns with broader immune outcomes, including inflammation and altered cellular responses during infection.
Researchers examine the relationship between biosynthetic components, glycan structures, and biological outcomes. They can focus on activated sugar donors, glycosyltransferases, glycosidases, and the endoplasmic reticulum or Golgi apparatus, then relate these features to immune signaling, pathogen attachment, or immune evasion. This approach connects cellular processing with host-pathogen interactions rather than treating glycans as isolated structures.
Research in this area can identify glycan changes associated with inflammation, immune evasion, and infectious disease. Such patterns may support the development of diagnostic markers by distinguishing disease-related states. The same knowledge can guide vaccine development and glycan-targeted therapeutics by revealing how carbohydrate structures shape pathogen attachment, immune recognition, and communication between host cells.