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Esterases in the mosquito Culex pipiens pipiens L.: Formal genetics and polymorphism of adult esterases

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Abstract

The genetics of two esterase loci active in autogenous adults of the mosquito Culex pipiens pipiens L. has been studied by means of starch gel electrophoresis. Three alleles at the Est-1 locus and eight at the Est-2 locus are described. Both loci have a null allele. Active alleles are codominant and there is no hybrid enzyme in heterozygotes. The Est-1 locus codes esterases preferentially hydrolyzing α-naphthylacetate and the Est-2 locus esterases preferentially hydrolyzing β-naphthylacetate. Strains homozygous for both loci were selected. Linkage studies of the two loci have shown that they are not sex linked but are linked to each other, the crossover frequency being 8.6%. The polymorphism of two laboratory and two natural populations is described for both loci. Phenotypic distributions are in good agreement with Hardy-Weinberg expectations.

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Authors and Affiliations

  1. Laboratoire d'Électrophorèse du C.E.R.E.M., Université des Sciences et Techniques du Languedoc, Montpellier, France

    Eric de Stordeur

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  1. Eric de Stordeur
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This work was conducted at the Université des Sciences et Techniques du Languedoc (Laboratoire de Génétique Expérimentale des Populations), Montpellier, France, in partial fulfillment of the requirements for the degree of “Docteur de spécialité.”

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de Stordeur, E. Esterases in the mosquito Culex pipiens pipiens L.: Formal genetics and polymorphism of adult esterases. Biochem Genet 14, 481–493 (1976). https://doi.org/10.1007/BF00486128

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  • DOI: https://doi.org/10.1007/BF00486128

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