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Reference Report
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| Citation | Whalen, M., Wilson, T.G. (1986). Variation and genomic localization of genes encoding Drosophila melanogaster male accessory gland proteins separated by sodium dodecyl sulfate-polyacrylamide gel electrophoresis. Genetics 114(): 77--92. (Export to RIS) | ||
| FlyBase ID | FBrf0044474 | ||
| Publication Type | Research paper | ||
| PubMed ID | 3095182 | ||
| PubMed Abstract | Accessory gland proteins from Drosophila melanogaster males have been separated by sodium dodecyl sulfate-polyacrylamide gel electrophoresis into nine major bands. When individual males from 175 strains were examined, considerable polymorphism for nearly one-half of the major protein bands was seen, including null alleles for three bands. Variation was observed not only among long-established laboratory strains but also among stocks recently derived from natural populations. There was little difference in the amount of variation between P and M strains, indicating that P element mutagenesis is not a factor producing the variation. Codominant expression of variants for each of five bands was found in heterozygotes, suggesting structural gene variation and not posttranslational modification variation. Stocks carrying electrophoretic variants of four of the major proteins were used to map the presumed structural genes for these proteins; the loci were found to be dispersed on the second chromosome. Since males homozygous for variant proteins were fertile, the polymorphism seems to have little immediate effect on successful sperm transfer. We propose that a high degree of polymorphism can be tolerated because these proteins play a nutritive rather than enzymatic role in Drosophila reproduction. | ||
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| Language of Publication | English | ||
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| Publication Type | Journal | ||
| Abbreviation | Genetics | ||
| Title | Genetics | ||
| Publication Year | 1916- | ||
| ISBN/ISSN | 0016-6731 | ||
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Data from Reference
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| Aberrations (7)
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| Alleles (3)
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| Genes (6)
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