منابع مشابه
Some juvenile hormone analogues
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متن کاملJuvenile Hormone in Insects
■ Abstract The mevalonate pathway in insects has two important peculiarities, the absence of the sterol branch and the synthesis of juvenile hormone (JH), that may have influenced the mechanisms of regulation. The data available on these mechanisms indicate that cholesterol does not play a regulatory role and that JH modulates transcript levels of a number of genes of the mevalonate pathway or ...
متن کاملJuvenile hormone resistance: ! no PASaran !
The control of growth, differentiation, metamorphosis, and reproduction in insects is a complex interplay of hormones, with the steroid hormone ecdysone and the sesquiterpenoid juvenile hormone (JH) playing major roles. Molting is controlled by ecdysone, and the type of molt is controlled by JH. The presence of JH maintains the insect in the juvenile (larval) state, hence its name (1), and the ...
متن کاملJuvenile hormone induction of esterases: a mechanism for the regulation of juvenile hormone titer.
Within a few hours after injection of juvenile hormone into Hyalophora gloveri pupae, several fast-migrating carboxylesterases (EC 3.1.1.1) that are sensitive to diisopropylfluorophosphate appear in the hemolymph. Treatment of the pupae with puromycin or actinomycin D prevents the appearance of these hemolymph enzymes, suggesting de novo synthesis of the carboxylesterases. Of the several other ...
متن کاملSpecificity of the juvenile hormone binding protein: The geometrical isomers of juvenile hormone I.
The binding of the geometrical isomers (>/=99% pure) of juvenile hormone I to the hemolymph juvenile hormone binding protein of Manduca sexta (Lepidoptera, Sphingidae) was analyzed. A technique is described for isomer separation by micropreparative high-resolution liquid chromatography. Analysis of competition was performed by using a "batch adsorption" hydroxylapatite binding assay. Competitio...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 2002
ISSN: 0021-9258
DOI: 10.1074/jbc.m201509200