Chitin metabolism: Not a target of avermectin/milbemycin activity in insects.
نویسندگان
چکیده
منابع مشابه
Chitin metabolism in insects: structure, function and regulation of chitin synthases and chitinases.
Chitin is one of the most important biopolymers in nature. It is mainly produced by fungi, arthropods and nematodes. In insects, it functions as scaffold material, supporting the cuticles of the epidermis and trachea as well as the peritrophic matrices lining the gut epithelium. Insect growth and morphogenesis are strictly dependent on the capability to remodel chitin-containing structures. For...
متن کاملCHITIN METABOLISM IN INSECTS: CHITIN SYNTHASES AND BETA-N-ACETYLGLUCOSAMINIDASES by DAVID
Chitin, a linear homopolymer of beta-1,4-linked N-acetylglucosamine, is the second most abundant biopolymer next to cellulose. It is the major structural polysaccharide in the insect’s exoskeleton and gut lining. An extensive study of two of the major genes encoding enzymes involved in chitin metabolism, chitin synthases (CHSs) and beta-N-acetylglucosaminidases (NAGs), was undertaken. CHS genes...
متن کاملEstimate of chitin in raw whole insects.
Insects contain significant amounts of fiber as measured by crude fiber, acid detergent fiber (ADF) or neutral detergent fiber (NDF). It has always been assumed that the fiber in insects represents chitin based on the structural similarity between cellulose and chitin and the fact that the ADF fraction from insects contains nitrogen. In this study, a number of insect species that are raised com...
متن کاملcomparison of catalytic activity of heteropoly compounds in the synthesis of bis(indolyl)alkanes.
heteropoly acids (hpa) and their salts have advantages as catalysts which make them both economically and environmentally attractive, strong br?nsted acidity, exhibiting fast reversible multi-electron redox transformations under rather mild conditions, very high solubility in polar solvents, fairly high thermal stability in the solid states, and efficient oxidizing ability, so that they are imp...
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ژورنال
عنوان ژورنال: The Journal of Antibiotics
سال: 1987
ISSN: 0021-8820,1881-1469
DOI: 10.7164/antibiotics.40.110