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  • 1
    ISSN: 0749-503X
    Keywords: genome sequencing ; Saccharomyces cerevisiae ; yeast ; chromosome XIV ; RPD3 ; PAS8 ; KRE1 ; dnaJ ; Life and Medical Sciences ; Genetics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology
    Notes: The DNA sequence of a 15·4 kb region covering the left arm of chromosome XIV from Saccharomyces cerevisiae was determined. This region contains eight open reading frames (ORFs) which code for proteins of more than 100 amino acids. Three ORFs correspond to the RPD3, PAS8 and KRE1 loci, described previously. Three ORFs show limited homology with known proteins: NO330 with the recessive suppressor of secretory defect SAC1, NO325 with YCR094W identified during chromosome III sequencing; whereas NO315 presents a motif conserved in the dnaJ family. Two ORFs (NO320 and NO325) show no homology to known proteins within the databases screened, but NO320 corresponds to a serine-threonine-rich protein. The sequence has been entered in the EMBL data library under Accession Number Z46259.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 0749-503X
    Keywords: Genome sequencing ; Saccharomyces cerevisiae ; yeast ; chromosome XIV ; KRE1 ; PHA2 ; ATP11 ; DAL82 ; RFA2 ; MCK1 ; HXT14 ; Life and Medical Sciences ; Genetics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology
    Notes: The DNA sequence of a 24·7 kb region covering the left arm of chromosome XIV from Saccharomyces cerevisiae was determined. This region contains 17 open reading frames (ORFs) which code for proteins of more than 100 amino acids. Five ORFs correspond to the KRE1, ATP11, DAL82, RFA2 and MCK1 loci, described previously. Two ORFs present high similarity to known proteins: NO345 with the hexose transporter family, and NO351 with the yeast chorismate mutase/prephenate dehydratase enzyme encoded by PHA2. Six ORFs show limited similarity with known proteins or some specific features: NO339 presents 11 potential transmembrane domains. NO343, which is internal to NO345, presents a putative signal sequence and a potential transmembrane domain. NO348 shows similarity with YCW2, TUP1 and SEC13. NO364 reveals a signature for a pyridoxal-phosphate attachment site. Finally, NO384 and NO388 present a biased amino acid composition, being rich in Asn or Glu/Lys/Arg, respectively. Four other ORFs (NO342, NO376, NO381 and NO397) show no similarity to proteins within the databases screened. The sequence has been entered in the EMBL data library under Accession Number Z46259.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 0749-503X
    Keywords: gene disruption ; functional analysis ; Saccharomyces cerevisiae ; G418-resistance ; sticky-end PCR ; Life and Medical Sciences ; Genetics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology
    Notes: The disruption of eight novel genes was realized in two genetic backgrounds. Among these open reading frames, NO333, NO348 and NO364 presented homologies with other proteins of yeast or other organisms, whereas NO320, NO325, NO339, NO384 and NO388 showed no similarity with any protein. Tetrad analysis of heterozygous deletant strains revealed that NO348, NO364 and NO388 are essential genes for vegetative growth, whereas NO320, NO325, NO333, NO339 and NO384 are non-essential. Basic phenotypic analyses of the non-lethal deletant strains as suggested in the six-pack B0 programme did not reveal any significant differences between parental and mutant strains. © 1998 John Wiley & Sons, Ltd.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Yeast 12 (1996), S. 859-868 
    ISSN: 0749-503X
    Keywords: gene disruption ; Saccharomyces cerevisiae ; yeast ; function analysis ; Life Sciences ; Life Sciences (general)
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology
    Notes: We describe a new procedure for the generation of plasmids containing a large promoter and terminator region of a gene of interest, useful for gene disruption. In a two-step polymerase chain reaction (PCR), a fragment, corresponding to the terminator and promoter regions separated by a 16 bp sequence containing a rare restriction site (e.g. AscI), is synthesized (T-P fragment). This PCR fragment is cloned in vectors presenting a rare blunt-end cloning site and a yeast marker for selection in Saccharomyces cerevisiae (TRP1, HIS3 and KanMX). The final plasmids are used directly for gene disruption after linearization by the enzyme (e.g. AscI) specific for the rare restriction site. This approach was used to disrupt three open reading frames identified during the sequencing of COS14-1 from chromosome XIV of S. cerevisiae.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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