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Chitin in Medical News

Researchers Find Gene Mutation That Increases Asthma Risk

...y said that helminths contained a substance called chitin that is also found in fungi, crustaceans and in in...t, Dickey pointed out that in the developed world, chitin infections simply aren't an issue any longer, so now this defense mechanism may be reacting to chitin in harmless settings. In November 2007, Yale re...

Defensive Protein Linked to Asthma

...stinal tract, he said. Humans don't manufacture chitin but do produce chitinases (enzymes that break down... chitin, but don't break it down). The presence of chitin in the lungs may make the body believe that it has...tes or pollen is initiating it." Dickey said if chitin truly is triggering an inflammatory airway respons...

Lobster Shells Have Great Healing and Antiseptic Properties

...the University of Havana have found that two compounds from lobster shells, chitin and chitosan, have healing and bio-stimulant properties. The resear...s for the first accurate and comprehensive results of a university study on chitin and chitosan. The study starts at the extraction of these compounds from po...
Chitin in Medical Technology

Amicus Therapeutics Presents Preclinical Data from Studies of Plicera for Gaucher Disease

...etically modified to produce the L444P form of the enzyme. In addition, liver and spleen weights were decreased as were plasma levels of chitin III and IgG, which are biomarkers related to Gaucher disease. The L444P is one of the most common mutations associated with Gaucher dise...
Chitin in Biological News

What scientists know about jewel beetle shimmer

...tures and that has a helical arrangement of molecules. Research suggests the cells come from spontaneous arrangement of glucose-like particles called chitin molecules that form as cones like those in a cholesteric liquid crystal. When these cones solidify, they preserve their structures and produce colors ...

The photonic beetle

...irst to show that just as atoms are arranged in diamond crystals, so is the chitin structure of beetle scales, he says. Galusha determined the 3-D structu...erial: a diamond-like or champion architecture, but with building blocks of chitin and air instead of the carbon atoms in diamond. Next, Galusha and Bartl...

McBride shows DNA detective work with paper-eating bacteria that 'glide'

...ult to break down. McBride hypothesizes that digestion of cellulose and chitin may also be linked to cell movement, or motility. "Loss of motility res...nt, McBride says the filaments also may be needed to move the cellulose and chitin molecules to certain sites where they can be digested or taken into the cel...

Wheat can fatally starve insect predators

...at it just becomes so unpalatable that the insects can't feed and they starve to death." Wheat plants that produce few or no lectins that bind to chitin are susceptible to Hessian fly larvae attack, she said. In addition, some virulent larvae can reprogram plant development so that cells in leaves and ...

New molecule may aid in production of biofuels and fungi-resistant plants

...uctural component of these organisms. For example, chitin gives strength and stiffness to the shells/cuticle...nd insects and to the cell walls of fungi. Because chitin is an abundant resource and, most importantly, bec...n several types of plague organisms and parasites, chitin degradation is of great interest to humanity. For ...
Chitin in Biological Technology

K-State's Subbaratnam Muthukrishnan and Barbara Valent Named Fellows of the American Association for the Advancement of Science

... proteins and insect chitin metabolism. His laboratories examine the organization and functions of genes involved in the synthesis and turnover of the chitin in the exoskeleton of the red flour beetle. Muthukrishnan holds a patent on the use of a chitinase-based biopesticide, and he and his collaborators ha...
Chitin in Biological Products

IMPACT-CN System from New England Biolabs

Description:...ion and Purification System contains four expression vectors (pTYB vectors) which allow fusion of a bifunctional tag, consisting of the intein and the chitin binding domain (5), to either the C-terminus (pTYB1,2) or N-terminus (pTYB11,12) of the target protein. In the presence of thiols such as DTT, -mercap...
Company:New England Biolabs
Chitin in Biological Definition

Bone

... , and mineral storage . The bones of an animal are, collectively, known as the skeleton . Evolutionary alternatives to bones are shells and chitin . Contents showTocToggle("show","hide") 1 General overview 2 Forms and structure of bone 3 Cells of bone 4 Bone matrix ...

Carbohydrate

...ompounds containing other elements are also counted as carbohydrates (e.g. chitin , which contains nitrogen ). The simplest carbohydrates are monosacchar... class of biological polymer . Examples include starch , cellulose and chitin . Nutrition Refined grain products are rich sources of ...

Drosophila

...es. Drosophila is part of the phylum Arthropoda , a phylum of segmented animals with paired, jointed appendages and a hard exoskeleton made of chitin . They have an open circulatory system with a dorsal heart, hemocoel occupies most of the body cavity, and coelom is reduced. The insect respi...

Enzyme

...ring those bacteria that produce beta-lactamase resistant Catalase : converts hydrogen peroxide to oxygen and water Chitinase : breaks down chitin Cholinesterase Chymosin : better known as rennet, contained in the stomachs of many animals and causes milk to curdle Chymotrypsin : can di...

Fungus

...hae are called coenocytic . Fungi generally have cell walls made from chitin , hemicellulose, lipids, protein and other materials. The hyphae may be mod...ties include the structure of flagella, when present, and the formation of chitin in a number of different lines. The fungi include the conspicuous mushr...
Chitin in Biological Dictionary

Chitin

Chitin (C8H13O5N)n is a long-chain polymer of a N-acetylglucosamine, a derivative of glucose, and is found in many places throughout the natural world. It is the main component of the cell walls of fungi, the exoskeletons of... chitin n. A tough, protective, semitransparent substance, prim...

Polysaccharides

... in Health & Beauty. Become.com searches billions of web pages to find the most... A look at the structural polysaccharides ; cellulose and chitin and the storage polysaccharides ; glycogen and starch. ... Polysaccharides are the complex ... Ah, the sweet taste of sugar. Most of us love ...

Gene product

...on of coding and ... Often, annotating a new gene product reveals relationships in an ontology that ... In addition, gene products such as chitin synthase can be annotated to nodes of ... This includes gene product information, with a link to the database providing ... The species fr...

Cuticula

...- The infolded cuticula between metameres, usually soft and flexible. ... Cuticula and Chitin: One can detect, more or less, three distinct ... chitin forms the protective sheath in beetles, and the cuticula of other arthropods. ... In biology, the term cuticle or cuticula is given to a var...
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