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HeT-A telomere-specific retrotransposons in the centric heterochromatin of Drosophila melanogaster chromosome 3

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Abstract

We have isolated two yeast artificial chromosome (YAC) clones from Drosophila melanogaster that contain a small amount of dodeca satellite (a satellite DNA located in the centromeric region of chromosome 3) and sequences homologous to the telomeric retrotransposon HeT-A. Using these YACs as probes for fluorescence in situ hybridization to mitotic chromosomes, we have localized these HeT-A elements to the centric heterochromatin of chromosome 3, at region h55. The possible origin of these telomeric elements in a centromeric position is discussed.

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Authors and Affiliations

  1. Centro de Biología Molecular “Severo Ochoa” (CSIC-UAM), 28049 Madrid, Spain E-mail: avillasante@cbm.uam.es Tel.: +34-91-3974692; Fax: +34-91-3974799, , , , , , ES

    A. Losada, M. Agudo, J. P. Abad & A. Villasante

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  1. A. Losada
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  2. M. Agudo
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  3. J. P. Abad
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  4. A. Villasante
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Received: 30 July 1999 / Accepted: 19 September 1999

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Losada, A., Agudo, M., Abad, J. et al. HeT-A telomere-specific retrotransposons in the centric heterochromatin of Drosophila melanogaster chromosome 3 . Mol Gen Genet 262, 618–622 (1999). https://doi.org/10.1007/s004380051124

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  • DOI: https://doi.org/10.1007/s004380051124

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