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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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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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The structure and action of chitinases
1999Chitin is second only to cellulose in biomass and it is an important component of many cell wall structures. Several families of enzymes, of distinctly different structure, have evolved to hydrolyze this important polysaccaride. Glycohydrolase family 18 enzymes, chitinases, are characterized by an eight-fold alpha/beta barrel structure; it has ...
J D, Robertus, A F, Monzingo
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Seed Science Research, 2002
AbstractSpecific chitinases accumulate in seeds of many species as part of their normal developmental programme. Some chitinases can also be induced in developing and germinating seeds in response to microbial attack. All known seed isoforms belong to classes I, II, IV and VII, which are encoded byChiagenes, as well as to the more divergent class III ...
L. Gomez +3 more
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AbstractSpecific chitinases accumulate in seeds of many species as part of their normal developmental programme. Some chitinases can also be induced in developing and germinating seeds in response to microbial attack. All known seed isoforms belong to classes I, II, IV and VII, which are encoded byChiagenes, as well as to the more divergent class III ...
L. Gomez +3 more
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Canadian Journal of Botany, 1994
Within the last 10 years, much attention has been focused on the role chitinases play within the plant. Evidence is strong that they are antifungal proteins, yet they may also play a part in a nonspecific stress response and can be developmentally regulated. They consist of several enzyme classes and are produced in many plants by small gene families.
Lawrence S. Graham, Mariam B. Sticklen
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Within the last 10 years, much attention has been focused on the role chitinases play within the plant. Evidence is strong that they are antifungal proteins, yet they may also play a part in a nonspecific stress response and can be developmentally regulated. They consist of several enzyme classes and are produced in many plants by small gene families.
Lawrence S. Graham, Mariam B. Sticklen
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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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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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