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Linkage studies on an esterase locus in the mosquito Aedes togoi

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Abstract

An electrophoretic survey of esterases in 7 wild-type and 10 mutant strains of the mosquito Aedes (Finlaya) togoi was undertaken using thin-layer agar gels. Three esterases (designated the Est-1, Est-2, and Est-3 loci in decreasing order of electrophoretic mobility) could be detected from fourth-instar larvae, pupae, and 2- to 5-day-old adults. Homogenates of the larvae gave the most intensely stained bands in the gels, especially for Est-3. The three esterases were designated carboxylesterases based on their response to the two esterase inhibitors, eserine and paraoxon (diethyl-p-nitrophenyl phosphate). The Est-3 locus was found to have five alleles including at least one null. The linkage results of six backcrosses suggest that Est-3 is located only 5–8 map units from the sex allele (m) and the gene arrangement is Est-3-m-s (straw-colored larva) in linkage group I.

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This work was supported by National Institutes of Health Grant AI 16983-01.

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Tadano, T. Linkage studies on an esterase locus in the mosquito Aedes togoi . Biochem Genet 20, 711–721 (1982). https://doi.org/10.1007/BF00483968

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  • DOI: https://doi.org/10.1007/BF00483968

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