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  • 1
    ISSN: 0378-1119
    Keywords: 5S rRNA ; Recombinant DNA ; Saccharomyces cerevisiae ; heteroduplex analysis ; nontranscribed spacer ; phage λ vectors ; sequence repetitions
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1617-4623
    Keywords: Key wordsYarrowia lipolytica ; Saccharomyces cerevisiae ; Ambient pH signalling ; Signal transduction ; Transmembrane protein
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract In Yarrowia lipolytica, the transcription factor Rim101p mediates both pH regulation and control of mating and sporulation. Like its homologues PacC of Aspergillus nidulans and Rim101p of Saccharomyces cerevisiae, YlRim101p is activated by proteolytic C-terminal processing, which occurs in response to a signal transduced by a pathway involving several PAL gene products. We report here the cloning and sequencing of two of these genes, PAL2 and PAL3. PAL2 encodes a putative 632-residue protein with six possible transmembrane segments, which differs from the transmembrane proteins Rim9p of S. cerevisiae and PalI of A. nidulans, but is homologous to A. nidulans PalH and to the product of the ORF YNL294c, a predicted polypeptide of unknown function in S. cerevisiae. PAL3 encodes an 881-residue polypeptide that is homologous to PalF of A. nidulans and to a newly identified putative polypeptide of S. cerevisiae. Both PAL2 and PAL3 are expressed constitutively, regardless of ambient pH. Mutations in these genes affect growth at alkaline pH and sporulation in both Y. lipolytica and in S. cerevisiae. They affect invasiveness of haploid strains in S. cerevisiae only, and conjugation in Y. lipolytica only. These results highlight the conservation of the Pal pathway initially described in A. nidulans.
    Type of Medium: Electronic Resource
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  • 3
    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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  • 4
    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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  • 5
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Yeast 12 (1996), S. 289-295 
    ISSN: 0749-503X
    Keywords: genome sequencing ; Saccharomyces cerevisiae ; chromosome XIV ; right telomere ; sub-telomeric repeats ; mannitol dehydrogenase homolog ; YCR007/YKL219-like ; PAU1- like ; Life Sciences ; Life Sciences (general)
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology
    Notes: We report the complete sequence of a 9·2 kb fragment next to and including the right telomere of Saccharomyces cerevisiae chromosome XIV. Four open reading frames (ORFs) longer than 100 amino acids were observed in the sequenced segment. One ORF (378 codons) does not show any significant homology with proteins in the databases and corresponds to a putative new gene. Two ORFs are almost identical to the known YCR007/YKL219 and PAU1-like hypothetical protein families already identified on several S. cerevisiae chromosomes. These ORFs, whose function is unknown, are generally associated with sub-telomeric regions of chromosomes. The fourth one shows significant identities with bacterial mannitol dehydrogenases. It could be a yeast gene implicated in the metabolism of mannitol (or a related substrate). The sequence has been deposited in the EMBL data library under Accession Number X86790.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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  • 6
    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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  • 7
    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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