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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of bioenergetics and biomembranes 21 (1989), S. 621-632 
    ISSN: 1573-6881
    Keywords: ATPase ; [H+]-ATPase ; proton transport ; Neurospora crassa ; Saccharomyces cerevisiae ; Schizosaccharomyces pombe
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Physics
    Notes: Abstract The fungal plasma membrane contains a proton-translocating ATPase that is closely related, both structurally and functionally, to the [Na+, K+]-, [H+, K+]-, and [Ca2+]-ATPases of animal cells, the plasma-membrane [H+]-ATPase of higher plants, and several bacterial cation-transporting ATPases. This review summarizes currently available information on the molecular genetics, protein structure, and reaction cycle of the fungal enzyme. Recent efforts to dissect structure-function relationships are also discussed.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Yeast 3 (1987), S. 71-76 
    ISSN: 0749-503X
    Keywords: OFAGE ; X-ray damage ; DNA repair ; Saccharomyces cerevisiae ; Life and Medical Sciences ; Genetics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology
    Notes: Orthogonal field alternation gel electrophoresis (OFAGE) allows separation of DNA molecules in the size range of 200 kb to 3000 kb. These sizes encompass the chromosome sizes of the genome of Saccharomyces cerevisiae. Using this technique, we have found that yeast cells exposed to X-rays generate a smear of DNA fragments corresponding to the products of random, independent double strand breaks, and that the bands corresponding to unbroken chromosomes decrease in intensity in direct proportion to chromosome size. If exposed wild type cells are permitted time to repair (5 h at 30°C on YEPD), the fragments partially disappear and the chromosome bands reappear, although at less than normal intensity. In certain radiation-sensitive mutants (rad51, rad52 and rad54), the fragment smear appears following X-ray exposure but no repair of broken chromosomes occurs. In fact, loss of the fragments occurs; this could appear as partial repair using other procedures.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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