Chitin
Chitin - Related Videos
06:36
Preparation of Expanded Chitin Foams and their Use in the Removal of Aqueous Copper
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Cited by 1 •
2021
This study describes a method to expand chitin into a foam by chemical techniques that require no specialized equipment.
12:13
TransFLP — A Method to Genetically Modify Vibrio cholerae Based on Natural Transformation and FLP-recombination
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Cited by 37 •
2012
A quick method to modify the genome of V. cholerae is described. These modifications include the deletion of single genes, gene clusters and genomic islands as well as the integration of short sequences (e.g. promoter elements or affinity-tag sequences). The method is based on the natural transformation and FLP-recombination.
11:39
Using Unfixed, Frozen Tissues to Study Natural Mucin Distribution
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Cited by 39 •
2012
Unfixed frozen tissue samples embedded in Optimal Cutting Temperature medium (OCT) can be used to study natural distribution and glycosylation of secreted mucus. In this approach tissue processing is minimal and the natural presentation of glycolipids, mucins and glycan-epitopes is preserved. Tissue sections can be analyzed by immunohistochemistry using fluorescence or chromogenic detection.
08:36
Chitosan/Interfering RNA Nanoparticle Mediated Gene Silencing in Disease Vector Mosquito Larvae
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Cited by 94 •
2015
Here we describe a procedure for inhibiting gene function in disease vector mosquitoes through the use of chitosan/interfering RNA nanoparticles that are ingested by larvae.
03:10
Enzymatic Digestion and Manual Dissociation: A Method to Prepare C. elegans Embryos for Cell Culture
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2023
This video introduces a method to isolate and sterilely culture embryonic C. elegans cells in vitro.
FAQs
The β-(1→4) linkage arranges N-acetyl-D-glucosamine units into long, ordered chains. These chains associate into crystalline fibers, creating a structural framework that resists deformation while remaining relatively lightweight. Their organization helps explain why chitin can provide durable support and protection in biological materials rather than functioning only as an unstructured carbohydrate.
Chitin fibers can associate with proteins and, in some organisms, minerals. These additional components contribute to the organization and composition of the surrounding material, helping produce biological structures with both strength and protection. Comparing chitin with and without these associations helps researchers relate molecular composition to the different physical properties of organismal structures.
In arthropods, chitin contributes to an exoskeleton, linking the material to external support and protection. In fungi, it occurs in the cell wall, where it contributes to cellular structure. Studying these settings shows how the same polysaccharide can serve related structural functions in organisms with very different body plans and biological contexts.
Chitin-rich structures are closely connected with organismal structure and protection, so changes in those structures are relevant to growth and molting. In arthropods, examining chitin provides a way to investigate how external structural materials are replaced or reorganized during development. This connects molecular composition with major biological transitions in the organism’s life cycle.
Chitin is relevant to host interactions because it occurs in both arthropod exoskeletons and fungal cell walls, two sources of biological material that may interact with other organisms. Investigating these interactions helps place chitin within broader biological relationships and supports research into how organisms respond to or engage with chitin-containing structures.
Chitin’s chemical versatility makes conversion into chitosan useful for biotechnology research. This conversion creates a related material that can be investigated in contexts beyond the original biological structure. Research areas identified for chitin-derived materials include wound dressings, drug-delivery systems, and agricultural materials, linking biological abundance with practical material-development goals.