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  • 1
    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
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  • 2
    ISSN: 0749-503X
    Keywords: Saccharomyces cerevisiae ; chromosome XIV ; LEU4 ; MET4 ; POL1 ; RAS2 ; inositol-1,4,5-trisphosphate 5-phosphatase ; Lowe's syndrome ; Life Sciences ; Life Sciences (general)
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology
    Notes: The nucleotide sequence of a fragment of 21 308 bp from the left arm of Saccharomyces cerevisiae chromosome XIV has been determined. Analysis of the sequence revealed 13 open reading frames (ORFs) longer than 300 bp, four of which correspond to the previously identified genes LEU4, MET4, POL1 and RAS2. One putative protein, N2160, shares considerable homology (32% identity) with a hypothetical protein encoded by a gene located on chromosome XV as well as with human OCRL protein (36% identity), involved in Lowe's syndrome. N2185 contains ten predicted transmembrane segments and is similar to another putative protein (YKL146) from yeast. The sequence of the reported DNA fragment has been submitted to the EMBL data library under Accession Number Z50161.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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