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Topic: Chitinase

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	Expression of fungal chitinase in vinifera produced by biolistic transformation (Site not responding. Last check: 2007-11-07)
		Expression of a fungal chitinase in Vitis vinifera L. 'Merlot' and 'Chardonnay' plants produced by biolistic transformation.
		Chitinases from the biocontrol fungus Trichoderma harzianum inhibit spore germination and hyphal elongation of the grapevine pathogens Botrytis cinerea (the causal agent of bunch rot) and Uncinula necator (the causal agent of powdery mildew) in in vitro assays.
		Chitinase expressing lines are being further propagated for disease resistance assays.
	www.nysaes.cornell.edu /hort/faculty/reisch/Kikkertmontpellier.html (338 words)

	Title of Invention: Chitinase-producing bacteria an d plants
		Chitinase is produced by certain naturally occurring bacteria and fungi and there have been reports of the role of chitinase in the suppression of pathogens.
		4 is the sequence of the fragment encoding the fusion of the cecropin A gene and the sequence encoding chitinase A signal sequence.
		Chitinase produced by the plant may be assayed for chemical activity by measuring the capacity of chitinase produced by the plant to hydrolyze chitin The biological activity of the chitinase may be assayed by various bioassays which can be used to determine the effect of chitinase produced by the plant on chitinous plant pathogens.
	www.nal.usda.gov /bic/Biotech_Patents/1994patents/05290687.html (11113 words)

	Untitled Normal Page
		Chitinase is an enzyme that is capable of degrading the chitin in the cell walls of fungi, bacteria, and even insects.
		The chitinase is then capable of degrading the cell wall of the invading pathogen so that it cannot spread throughout the tree.
		Chitinase cleaves the side chain off the chitin substrate, releasing the side chain and causing it to fluoresce under ultraviolet light.
	grove.ufl.edu /~jmdavis/treebio/wounding.htm (1066 words)

	78D-2 Enzyme Activity of Chitinase-Producing Microorganisms as Affected by pH, Temperature and Carbon Source (Site not responding. Last check: 2007-11-07)
		The chitinase activity (unit) was measured at various pHs (5, 6, 7, and 8) and temperatures (30, 40, and 50°C) in the presence of chitinolytic (shrimp chitin) or non-chitinolytic (glucose, sucrose, or mannitol) carbon sources.
		Chitinase activity (unit) was defined as the number of micromoles of N-acetylglucosamine released per ml of supernatant per hour.
		The chitinase activity in the presence of non-chitinolytic carbon sources was manifold (at least 5 times) lower than in the presence of chitin.
	ift.confex.com /ift/2000/techprogram/paper_3048.htm (338 words)

	Chitinase-like lectins - introduction (Site not responding. Last check: 2007-11-07)
		Chitinases cleave chitin, a polymer of N-acetylglucosamine (GlcNAc) that is a common structural molecule in fungi and invertebrates, and contain the conserved sequence motif DXXDXDXE, in which the glutamate is the catalytic residue.
		YKL-40 (Human cartilage glycoprotein-39, chitinase 3-like protein 1) is a mammalian protein which in humans is expressed by a variety of cell types including synovial cells, chondrocytes and smooth muscle cells, and neutrophils and macrophages.
		Expression appears to be induced by a change in the extracellular matrix environment, is thought to have a role in development, tissue remodelling and inflammation, and has been associated with diseases including arthritis, cancer and liver fibrosis.
	www.imperial.ac.uk /animallectins/ctld/classes/Chitin1.htm (859 words)

	InterPro: IPR001579 Glycoside hydrolase, chitinase active site
		Chitinases (EC:3.2.1.14) [ 5 ] are enzymes that catalyze the hydrolysis of the beta-1,4-N-acetyl-D-glucosamine linkages in chitin polymers.
		From the view point of sequence similarity chitinases belong to either family 18 or 19 in the classification of glycosyl hydrolases [ 6 ].
		Chitinases of family 18 (also known as classes III or V) groups a variety of chitinases and other proteins.
	www.ebi.ac.uk /interpro/IEntry?ac=IPR001579 (3371 words)

	Cellular Expression of Gut Chitinase mRNA in the Gastrointestinal Tract of Mice and Chickens -- Suzuki et al. 50 (8): ...
		Gut chitinase mRNA expression in the salivary gland of the mouse.
		Chitinase mRNA expression is restricted to the bottom region of gastric glands (A), while pepsinogen C mRNA-expressing cells occupy the basal half or more of the mucosa (B).
		Gut chitinase and pepsinogen C mRNA expression in the proximal part of the pyrolic antrum in an adult mouse.
	www.jhc.org /cgi/content/full/50/8/1081 (3639 words)

	Chitinase Kinetics (Site not responding. Last check: 2007-11-07)
		A defined soluble substrate, 4-methylumbelliferyl ß-N,N',N''-triacetylchitotrioside, was used to characterize kinetic parameters of the barley chitinase.
		The monomer does not bind and dissociation constants for the dimer, trimer and tetramer are 43, 19, and 6 µM, respectively (Figure 3).
		F1/F0 = Fluorescence of chitinase with ligand/no ligand.
	research.cm.utexas.edu /jrobertus/chitin/kinetics.html (260 words)

	Differentiation of Chitinase-Active and Non-Chitinase-Active Subpopulations of a Marine Bacterium during Chitin ...
		chitinase activity among cells in the bacterial population.
		Spatial distribution of extracellular chitinase activity, on the chitin and silicon surfaces, was identified by using a new
		To assess the distribution of chitinase activity between the surface and bulk aqueous phase, chitinase activity was determined
	aem.asm.org /cgi/content/full/66/8/3566 (5361 words)

	Chitinase - Wikipedia, the free encyclopedia
		Chitinase (barley seed chitinase: PDB 1CNS, EC 3.2.1.14) is a digestive enzyme that breaks down glycosidic bonds in chitin.
		It is found in chitinivorous bacteria (bacteria that are able to digest chitin), and if the entries in the Protein Data Bank are correct, quite a few plants have chitinases as well.
		Some plant chitinases are members of the pathogenesis related (PR) proteins which are induced after systemic acquired resistance induction (biotic and abiotic).
	en.wikipedia.org /wiki/Chitinase (123 words)

	Chitinase Gene Expression
		Plant chitinase is an enzyme that hydrolyzes chitin, a component of fungal cell walls.
		Recently, it has been shown that chitinase may be expressed in plant tissues not exposed to fungal pathogens.
		The purpose of this project is to determine whether chitinase is differentially expressed in tissue of the Red Kidney bean (
	people.cornellcollege.edu /ctepper/BIO315ChitinaseExpression.htm (285 words)

	Chitin metabolism in insects: structure, function and regulation of chitin synthases and chitinases -- Merzendorfer and ...
		Highly conserved blocks are tagged with the respective consensus sequence, with YDFDGLDLDWEYP being the insect signature sequence, which is consistent with that of family 18 chitinases.
		chitinase that is detected in milk gland tissue and could therefore
		TmChit5, the gene that encodes chitinase 5 of the beetle
	jeb.biologists.org /cgi/content/full/206/24/4393 (6787 words)

	Chitinase, acidic, Homo sapiens - UniGene Hs.128814
		The alignments can suggest function of a gene.
		Homo sapiens chitinase family protein 3 mRNA, partial cds
		Homo sapiens cDNA FLJ25948 fis, clone STM04207, highly similar to Homo sapiens acidic mammalian chitinase precursor
	www.ncbi.nlm.nih.gov /UniGene/clust.cgi?ORG=Hs&CID=128814 (282 words)

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