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
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
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
... , and mineral storage . The bones of an animal are, collectively, known as the skeleton .
Evolutionary alternatives to bones are shells and chitin
1 General overview
2 Forms and structure of bone
3 Cells of bone
4 Bone matrix ...
...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
Refined grain products are rich sources of ...
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...
...ring those bacteria that produce beta-lactamase resistant
Catalase : converts hydrogen peroxide to oxygen and water
Chitinase : breaks down chitin
Chymosin : better known as rennet, contained in the stomachs of many animals and causes milk to curdle
Chymotrypsin : can di...
...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
(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...
... 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 ...
...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...
...- 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...