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  • 1
    Electronic Resource
    Electronic Resource
    The ribosomal RNA genes from chloroplasts of mustard (Sinapis alba L.): mapping and sequencing of the leader region (1984)
    Springer
    Plant molecular biology 3 (1984), S. 147-158 
    Details
    ISSN: 1573-5028
    Keywords: chloroplast genome ; leader region ; rDNA ; Sinapis alba ; Zea mays ; tRNAVal gene
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The genes coding for rRNAs from mustard chloroplasts were mapped within the inverted repeat regions of intact ctDNA and on ctDNA fragments cloned in pBR322. R-loop analysis and restriction endonuclease mapping show that the genes for 16S rRNA map at distances of 17 kb from the junctions of the repeat regions with the large unique region. The genes for 23S rRNA are located at distances of 2.8 kb from the junctions with the small unique region. Genes for 4.5S and 5S rRNA are located in close proximity to the 23S rRNA genes towards the small unique region. DNA sequencing of portions of the 5′ terminal third from the mustard 16S rRNA gene shows 96–99% homology with the corresponding regions of the maize, tobacco and spinach chloroplast genes. Sequencing of the region proximal to the 16S rRNA gene reveals the presence of a tRNAVal gene in nearly the same position and with identical sequence as in maize, tobacco and spinach. Somewhat less but still strong homology is also observed for the tDNA Val/16S rDNA intercistronic regions and for the regions upstream of the tRNAVal gene. However, due to many small and also a few larger deletions and insertions in the leader region, common reading frames coding for homologous peptides larger than 44 amino acids can not be detected; it is therefore unlikely that this region contains a protein coding gene.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00016062
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  • 2
    Electronic Resource
    Electronic Resource
    Ueber eine neue Bildungsweise von Acridinfarbstoffen (1893)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 26 (1893), S. 1034-1044 
    Details
    ISSN: 0365-9496
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.189302601218
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    Paper (German National Licenses)
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