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Reference Report
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| Citation | Zhang, P., Timakov, B., Stankiewicz, R.L., Turgut, I.Y. (2000). A trans-activator on the Drosophila Y chromosome regulates gene expression in the male germ line. Genetica 109(1-2): 141--150. (Export to RIS) | ||
| FlyBase ID | FBrf0135793 | ||
| Publication Type | Research paper | ||
| PubMed ID | 11293789 | ||
| PubMed Abstract | The Y chromosome of Drosophila melanogaster accounts for approximately 13% of a normal male genome and is entirely heterochromatic. It carries six genes required exclusively for spermatogenesis. Here we report a novel activity of the Y chromosome that regulates gene expression in primary spermatocytes. By examining the expression of a reporter gene in X/Y and X/O males, we show that a specific region of the Y long arm carries a trans-activator that regulates transcription in spermatogenesis. In the absence of the Y trans-activator, the level of the reporter expression is greatly reduced in primary spermatocytes and the expression pattern is restricted to young primary spermatocytes. Further analysis shows that the Y trans-activator is dispersed in the h1-h10 region on the Y long arm and is functionally redundant, indicating involvement of the repetitive sequences on the Y chromosome. In addition, the Y trans-activator appears to act in a tissue-specific manner, functioning only in the male germ line. We propose that the Y trans-activator plays an important role in regulating gene expression during spermatogenesis. | ||
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| Language of Publication | English | ||
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| Publication Type | Journal | ||
| Abbreviation | Genetica | ||
| Title | Genetica | ||
| Publication Year | 1919- | ||
| ISBN/ISSN | 0016-6707 | ||
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Data from Reference
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| Aberrations (17)
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| Alleles (13)
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| Constructs (6)
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| Genes (6)
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| Insertions (4)
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