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2013
Insect chitinases belong to family 18 of the glycoside hydrolase superfamily (GH18) and comprise endo-splitting enzymes that retain the anomeric β-(1,4) configuration of the cleavage products. However, some of them have lost their catalytic activity but retained the chitin binding activity and/or possess imaginal disc growth factor activity.
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Insect chitinases belong to family 18 of the glycoside hydrolase superfamily (GH18) and comprise endo-splitting enzymes that retain the anomeric β-(1,4) configuration of the cleavage products. However, some of them have lost their catalytic activity but retained the chitin binding activity and/or possess imaginal disc growth factor activity.
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Chitinases in biological control
1999The public concern over the harmful effects of chemical pesticides on the environment and human health has enhanced the search for safer, environmentally friendly control alternatives. Control of plant pests by the application of biological agents holds great promise as an alternative to the use of chemicals.
A, Herrera-Estrella, I, Chet
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Chitinases and chitinase-like proteins in TH2 inflammation and asthma
Journal of Allergy and Clinical Immunology, 2005Chitin is the second most abundant biopolymer in nature, where it protects crustaceans, parasites, fungi, and other pathogens from the adverse effects of their environments, hosts, or both. Because chitin does not exist in mammals, it had been assumed that the chitinases that degrade it are also restricted to lower life forms.
Jack A, Elias +3 more
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Mycopathologia, 2006
Chitin is the second most abundant organic and renewable source in nature, after cellulose. Chitinases are chitin-degrading enzymes. Chitinases have important biophysiological functions and immense potential applications. In recent years, researches on fungal chitinases have made fast progress, especially in molecular levels.
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Chitin is the second most abundant organic and renewable source in nature, after cellulose. Chitinases are chitin-degrading enzymes. Chitinases have important biophysiological functions and immense potential applications. In recent years, researches on fungal chitinases have made fast progress, especially in molecular levels.
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Mammalian chitinase-like proteins
1999Mammals express genes coding for proteins that show significant similarity to chitinases of family 18 glycosyl hydrolases. These chitinase-like proteins have no chitinase activity due to changes in critical residues in the putative active center. One of these is oviductin, a high molecular weight glycoprotein most likely involved in fertilization and ...
G, Bleau +3 more
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Chitinase from Neurospora crassa
1988Publisher Summary This chapter describes the assay method and purification procedures for chitinase from Neurospora crassa. The enzyme behaves as an cndochitinase; it produces low-molecular-weight, soluble multimers of N-acctyl-D-glucosaminc, the dimer N,N'-diacetylchitobiose being predominant.
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Classification of chitinases modules
1999Chitinases frequently display a modular structure featuring a catalytic domain attached to one or several ancillary noncatalytic domains whose function is often chitin binding. Gene cloning and DNA sequencing have allowed the determination of a massive number of amino acid sequences of chitinases during the last 10 years.
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