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  • 1
    Electronic Resource
    Electronic Resource
    Swm1p, a subunit of the APC/cyclosome, is required to maintain cell wall integrity during growth at high temperature in Saccharomyces cerevisiae (2004)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 234 (2004), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Swm1p, a subunit of the APC cyclosome, was originally identified for its role in the later stages of the sporulation process and is required for spore wall assembly. In addition, this protein is required to maintain cell wall integrity in vegetative cells during growth at high temperature. Electron microscopy analyses of mutant cells grown at the restrictive temperature in the absence of osmotic support show that the cell wall is clearly abnormal, with large number of discontinuities that may be responsible for the observed lysis. The mutant cells show a 7-fold reduction in glucan synthase activity during growth at 38 °C and a 3.5-fold increase in the chitin content of the cell wall. The chitin is deposited in a delocalized manner all over the cell wall, where it accumulates in patches in abnormal regions. The excess chitin is mainly synthesized by the action of chitin synthase III (Chs3p), since it disappears in the swm1 chs3 double-mutant.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.2004.tb09556.x
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  • 2
    Electronic Resource
    Electronic Resource
    Genetic mapping of 1,3-β-glucanase-encoding genes in Saccharomyces cerevisiae (1992)
    Springer
    Current genetics 22 (1992), S. 283-288 
    Details
    ISSN: 1432-0983
    Keywords: 1,3-β-glucanase genes ; Saccharomyces cerevisiae ; Chromosomal mapping ; Genetic mapping
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The map position of three 1,3-β-glucanase-encoding genes in S. cerevisiae has been determined following conventional meiotic and mitotic mapping combined with recombinant DNA techniques. EXG1, EXG2 and SSG1 were localized to chromosomes XII, IV and XV, respectively, by hybridizing the cloned genes to Southern blots of chromosomes sepaated by pulsed-field gel electrophoresis, in conjunction with the rad52-1-dependent chromosome-loss mapping technique. Meiotic tetrad analyses further localized the EXG1 gene 6.1 centimorgans centromere-proximal to CDC25 on the right arm of chromosome XII. EXG2 was positioned between LYS4 and GCN2 on the right arm of chromosome IV, at distances of 6.2 centimorgans from LYS4 and 4.9 centimorgans from GCN2. Finally, the SSG1 locus mapped on the right arm of chromosome XV, about 8.2 centimorgans to the centromere-proximal side of HIS3.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00317922
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    Paper (German National Licenses)
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