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Reference Report
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| Citation | Shevelyov, Y.Y., Balakireva, M.D., Gvozdev, V.A. (1989). Heterochromatic regions in different Drosophila melanogaster stocks contain similar arrangements of moderate repeats with inserted copia-like elements (MDG1). Chromosoma 98: 117--122. (Export to RIS) | ||
| FlyBase ID | FBrf0049415 | ||
| Publication Type | Research paper | ||
| PubMed ID | 2570681 | ||
| PubMed Abstract | Seven out of twenty 30-50 kb genome fragments with an MDG1 copia-like element cloned in cosmids were found to carry homologous sequences which belong to a new family of non-mobile heterochromatic moderate repeats (the HMR family). These repeats along with the MDG1 copies inserted in them are under-replicated in polytene chromosomes. Such repeats may also be located in the intercalary heterochromatin site 12E of the X chromosome. Chromosomal heterochromatic regions are enriched with one of the two main genomic variants of MDG1, MDG1het, identifiable by EcoRI restriction. From Southern DNA blot analysis the number of MDG1het copies and their sites within the heterochromatin are invariant in all the stocks examined, while there is not a single MDG1 site along the polytene chromosomes shared by all the stocks in question. | ||
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| Language of Publication | English | ||
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| Publication Type | Journal | ||
| Abbreviation | Chromosoma | ||
| Title | Chromosoma | ||
| Publication Year | 1939- | ||
| ISBN/ISSN | 0009-5915 | ||
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Data from Reference
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| Genes (2)
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| Natural transposons (1)
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