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  • 1
    Electronic Resource
    Electronic Resource
    Heterosis × nutrition interaction in Drosophila melanogaster (1988)
    Springer
    Theoretical and applied genetics 76 (1988), S. 136-142 
    Details
    ISSN: 1432-2242
    Keywords: Drosophila melanogaster ; Genotype × Environment interaction ; Heterosis ; Epistasis ; Electrophoresis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The relationship between heterozygosity and the expression of heterosis at two different nutrition levels was investigated using Drosophila melanogaster. Average daily egg production and egg hatchability were measured in two parental strains and in F1, F2 and reciprocal backcross generations. Heterosis was more pronounced in the poor nutritional conditions. Two electrophoretic markers used to estimate the level of heterozygosity in F2 and backcrosses revealed an excess of heterozygous genotypes. Quantitative genetic effects (an additive line effect and individual and maternal heterosis) were estimated for both traits in the two environments. Although this model gave a reasonable fit in most cases, some epistatic interaction would have to be invoked in order to explain fully the results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00288844
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A storage-protein marker associated with the suppressor of Pm8 for powdery mildew resistance in wheat (1996)
    Springer
    Theoretical and applied genetics 93 (1996), S. 1054-1060 
    Details
    ISSN: 1432-2242
    Keywords: Key wordsTriticum aestivum ; Rye ; Secale cereale ; 1BL.1RS translocation ; 1AL.1RS translocation ; Gliadin ; Electrophoresis ; Erysiphe graminis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A suppressor of resistance to powdery mildew conferred by Pm8 showed complete association with the presence of a storage-protein marker resolved by electrophoresis on SDS-PAGE gels. This marker was identified as the product of the gliadin allele Gli-A1a. The mildew-response phenotypes of wheats possessing the 1BL.1RS translocation were completely predictable from electrophoretograms. The suppressor, designated SuPm8, was located on chromosome 1AS. It was specific in its suppression of Pm8, and did not affect the rye-derived resistance phenotypes of wheat lines with Pm17, also located in 1RS, or of lines with Pm7.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001220050334
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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