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  • 1
    Electronic Resource
    Electronic Resource
    Tirant: A new retrotransposon-like element inDrosophila melanogaster (1996)
    Springer
    Journal of molecular evolution 42 (1996), S. 369-375 
    Details
    ISSN: 1432-1432
    Keywords: Transposable elements ; Drosophila ; Tirant ; Retrotransposon
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract In this paper we report a new retrotransposon-like element ofDrosophila melanogaster calledTirant. This sequence is moderately repeated in the genome of this species and it has been found to be widely dispersed throughout its distribution area. From Southern blot andin situ analyses, this sequence appears to be mobile inD. melanogaster, since its chromosome location and the hybridization patterns vary among the different strains analyzed. In this way, partial sequencing ofTirant ends suggests that it is a retrotransposon, since it is flanked by two LTRs. The presence of sequences homologous toTirant has been also investigated in 28 species of the genusDrosophila by means of Southern analyses. These sequences were only detected in species frommelanogaster andobscura groups. These data suggest that ancestral sequences ofTirant appeared after the Sophophora radiation and before the divergence of those groups.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02337547
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Tirant: A New Retrotransposon-Like Element in Drosophila melanogaster (1996)
    Springer
    Journal of molecular evolution 42 (1996), S. 369-375 
    Details
    ISSN: 1432-1432
    Keywords: Key words: Transposable elements —Drosophila—Tirant— Retrotransposon
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract. In this paper we report a new retrotransposon-like element of Drosophila melanogaster called Tirant. This sequence is moderately repeated in the genome of this species and it has been found to be widely dispersed throughout its distribution area. From Southern blot and in situ analyses, this sequence appears to be mobile in D. melanogaster, since its chromosome location and the hybridization patterns vary among the different strains analyzed. In this way, partial sequencing of Tirant ends suggests that it is a retrotransposon, since it is flanked by two LTRs. The presence of sequences homologous to Tirant has been also investigated in 28 species of the genus Drosophila by means of Southern analyses. These sequences were only detected in species from melanogaster and obscura groups. These data suggest that ancestral sequences of Tirant appeared after the Sophophora radiation and before the divergence of those groups.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00006064
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    A heterochromatic P sequence in the D. subobscura genome (1994)
    Springer
    Genetica 92 (1994), S. 177-186 
    Details
    ISSN: 1573-6857
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The study of a heterochromatic P sequence of D. subobscura reveals that it is a degraded element, located at the centromeric region of the A chromosome (X chromosome in this species), and that it is strongly diverged from the euchromatic P sequences previously described in this species. This heterochromatic sequence is composed of some P element fragments embedded in undefined β-heterochromatic sequences. These mosaic P sequences do not show any transcriptional activity and seem to be ancient parasites of the D. subobscura genome. Phylogenetic analyses indicate that both the euchromatic and heterochromatic P sequences of D. subobscura could come from an ancestral element which was present before the divergence of the subobscura species cluster.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00132536
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Sequencing analysis of a 4·1 kb subtelomeric region from yeast chromosome IV identifies HXT15, a new member of the hexose transporter familyM.B. and D.S. contributed equally to his paper. (1996)
    New York, NY [u.a.] : Wiley-Blackwell
    Yeast 12 (1996), S. 1005-1011 
    Details
    ISSN: 0749-503X
    Keywords: genome sequencing ; Saccharomyces cerevisiae ; yeast ; chromosome IV ; HXT15 ; hexose transporter ; Life Sciences ; Life Sciences (general)
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology
    Notes: The DNA sequence of a 4·1 kb region of Saccharomyces cerevisiae chromosome IV was determined. This region contains a single open reading frame which codes for a member of the hexose transporter family. This new gene has been named HXT15 according to yeast gene data bases. The sequence has been entered in the EMBL data library under Accession Number X92891.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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    Paper (German National Licenses)
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