Effect of alcohol and competition levels on viability of eye colour mutants of Drosophila melanogaster

Nájera, Carmén; Ménsua, JL

doi:10.1186/1297-9686-17-3-331

Genetics Selection Evolution

1985

DOI: 10.1186/1297-9686-17-3-331

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Effect of alcohol and competition levels on viability of eye colour mutants of Drosophila melanogaster

Carmén Nájera¹,

JL Ménsua²

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1987

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Cited by 4 publications

References 19 publications

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Stable polymorphism for mutant eye colour geues in populations of Drosophila melanogaster in two different media

Náiera

Ménsua

1988

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In previous work analyzing variability of eye colour alleles existing in natural populations of D. melanogaster, it was observed that the number of females heterozygous for some eye colour alleles was greater in a wine cellar population than in populations outside this cellar. In order to determine which mechanisms caused these eye colour alleles to be favored in the heterozygotes, the changes in the frequency of four eye colour alleles frequently seen in the cellar population (se77o, sf77m, cd77o and multichromosomal 77o) was studied in artificial populations. Two different culture media, one supplemented with 10% ethanol and the other without ethanol were used. It was found that each of the four mutants reached similar equilibrium frequencies in both media, though the safranin allele (sf77m) equilibrium frequency was significantly higher in the alcohol medium. A significant excess of heterozygotes were also observed in these populations.

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Stable polymorphism for mutant eye colour geues in populations of Drosophila melanogaster in two different media

Náiera

Ménsua

1988

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Polymorphisms of inversions and Adh alleles in eye colour mutant experimental populations of Drosophila melanogaster

Nájera¹,

Ménsua²

1987

Genetics Selection Evolution

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SummaryFrom laboratory populations (wild/se ; wild/sf ; wild/cd and wild/multichromosomal) originated from strains coming from a cellar and using two culture media, one standard and the other supplemented with 10 p. 100 ethanol, strong heterosis was observed. It has been confirmed that this heterosis cannot be explained by the maintenance of inversions in heterozygosis and that there is a fixation of the F allele in all the populations supplemented with ethanol while all the populations maintained in the standard culture medium remain polymorphic.

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Variability of eye colour mutations in natural populations of Drosophila melanogaster

Nájera¹,

Ménsua²

1988

Genetics Selection Evolution

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Effect of alcohol and competition levels on viability of eye colour mutants of Drosophila melanogaster

Cited by 4 publications

References 19 publications

Stable polymorphism for mutant eye colour geues in populations of Drosophila melanogaster in two different media

Stable polymorphism for mutant eye colour geues in populations of Drosophila melanogaster in two different media

Polymorphisms of inversions and Adh alleles in eye colour mutant experimental populations of Drosophila melanogaster

Variability of eye colour mutations in natural populations of Drosophila melanogaster

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