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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Genetics of esterases in Drosophila. IX. Characterization of the JH-esterase in D. virilis.

The kinetic characteristics of the main isozymes of Drosophila virilis esterase were studied and Km values of esterase-2, -4, and -6 and p-esterase for alpha- and beta-naphthyl acetate were obtained. Juvenile hormone (JH) was shown to inhibit the p-esterase activity when in competition with beta-naphthyl acetate and the general esterase inhibitor, diisopropylphosphofluoridate (DFP), was shown to inhibit all the components of the D. virilis esterase patterns except p-esterase. While studying the changes of p-esterase activity in D. virilis ontogenesis, the increase in p-esterase activity in the wandering larvae, prepupae, and early pupae was found to correlate with a decrease in JH titer at these stages. The decrease in JH level in a temperature-sensitive lethal mutant larvae of D. virilis at high temperatures was shown to correlate with increased p-esterase activity. These results confirm that p-esterase of D. virilis is JH-esterase.[1]

References

  1. Genetics of esterases in Drosophila. IX. Characterization of the JH-esterase in D. virilis. Rauschenbach IYu, n.u.l.l., Lukashina, N.S., Budker, V.G., Korochkin, L.I. Biochem. Genet. (1987) [Pubmed]
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