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Demakov, S.A., Gorchakov, A.A., Shvarts, I.B., Semeshin, V.F., Zhimulev, I.F. (2001). [Analysis of DNA interband regions 3A5/A6, 3C5-6/c7 and 60E8-9/E10 of Drosophila melanogaster polytene chromosomes]  Genetika, Moscow 37(11): 1486--1496.
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FBrf0144906
Publication Type
Research paper
Abstract

Using electron microscopic (EM) data on the formation of a novel band from the P-element material after its insertion in the interband and the procedure of P-target rescue, DNA interband regions 3A5/A6, and 60E8-9/E10 of Drosophila melanogaster polytene chromosomes were cloned and sequenced. EM analysis of the 3C region have shown that the formation of the full-size 3C5-6/C7 interband requires a 880-bp DNA sequences removed by deletion Df(1)faswb. A comparison of DNA sequences of six bands, two of which were obtained in the present work and four were described earlier, demonstrated the uniqueness of each of them in the Drosophila genome and heterogeneity of their molecular organization. Interband 60E8-9/E10 contains gene rpl19 transcribed throughout the development, in particular in salivary glands. In the other interbands examined 5' and 3' nontranslated gene regions are located. These results suggest that Drosophila interbands may contain both housekeeping genes and regulatory sequences of currently inactive genes from adjacent bands.

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Research paper
Demakov et al., 2001, Russ. J. Genet. 37(11): 1247--1256
Analysis of DNA interband regions 3A5/A6, 3C5-6/c7 and 60E8-9/E10 of Drosophila melanogaster polytene chromosomes. [FBrf0185088]
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    Language of Publication
    Russian
    Additional Languages of Abstract
    English
    Parent Publication
    Publication Type
    Journal
    Abbreviation
    Genetika, Moscow
    Title
    Genetika
    Publication Year
    1965-
    ISBN/ISSN
    0016-6758
    Data From Reference
    Aberrations (1)
    Genes (1)