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  • Insertion elements of H. halobium  (1)
  • Restriction enzyme map  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Physical map of the mitochondrial DNA from the phycomycete Allomyces macrogynus including the position of the ribosomal RNA genes and of an intervening sequence in the large rRNA gene (1983)
    Springer
    Current genetics 7 (1983), S. 327-333 
    Details
    ISSN: 1432-0983
    Keywords: Allomyces macrogynus ; Mitochondrial DNA ; Electron microscopy ; Restriction enzyme map
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The mitochondrial (mt) DNA of the aquatic phycomycete Allomyces macrogynus is a circular molecule with a size of 56.1 kbp. The cleavage sites for the restriction enzymes SalI and PvuI were mapped by comparing the partial denaturation patterns of isolated restriction fragments with the pattern of the intact circle. The genes coding for the small and large ribosomal RNA (rRNA) were located on the restriction map by heteroduplex and R-loop analysis. The gene coding for the large rRNA contains an intervening sequence, app. 0.7 kbp in size, near the 3′-end of the gene. The two rRNA genes are encoded on the same strand of the mtDNA and separated by a region of 17–18 kbp. This rRNA gene organization is similar to that found with members of the Ascomycetes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00445871
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  • 2
    Electronic Resource
    Electronic Resource
    A new insertion element, ISH26, from Halobacterium halobium (1987)
    Springer
    Molecular genetics and genomics 206 (1987), S. 81-87 
    Details
    ISSN: 1617-4623
    Keywords: Insertion elements of H. halobium
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary A new halobacterial insertion element, ISH26, is described which occurs in the genome of Halobacterium halobium NRC817 in at least seven copies. A copy of ISH26 was isolated from the bacterio-opsin gene (bop) of the Bop mutant M140 of strain H. halobium R1 and characterized in more detail. It shows typical structural features of a transposable element with 16 pb terminal inverted repeat sequences and an 11 bp duplication of the target site. Two partially overlapping open reading frames (ORFs) are contained in the sequence of ISH26 on one strand. The terminal 16 bp inverted repeat of ISH26 is almost identical to the first 16 bp of the terminal inverted repeat of the ISH2 insertion element. The remaining sequences of ISH26 and ISH2 are entirely different. Two size variants of ISH26, 1,384 bp and 1,705 bp in size, are found in the H. halobium genome. The larger one (ISH26-1) contains an imperfect duplication of 321 bp at one end of ISH26.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00326540
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