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  • 1
    ISSN: 1432-1777
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Abstract. A dog whole-genome radiation hybrid (WGRH) panel including 126 clones was constructed by fusing dog fibroblasts irradiated at 5000 rads with thymidine kinase-deficient hamster cells. The average retention frequency of the panel designated as RHDF5000 is 21%, and its resolution power is estimated at 600 kb. The data provided by typing 400 markers were used to estimate linkage power changes subsequent to panel reduction. These changes were analyzed by recomputing typing data from five reduced panels. From these simulations, the parameters allowing investigation of the evolution of the linkage power in the course of panel reduction were determined. Guidelines for constructing a WGRH panel are proposed.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    ISSN: 0749-503X
    Schlagwort(e): Yeast ; Saccharomyces cerevisiae ; chromosome X ; COR cluster ; genes CYC1 ; UTR1 ; UTR3 ; OSM1 ; tRNAGly ; RAD7 ; open reading frame: systematic sequencing ; Life and Medical Sciences ; Genetics
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Biologie
    Notizen: The COR region, a gene cluster located on chromosome X of Saccharomyces cerevisiae and including genes CYC1, UTR1, UTR3, OSM1, tRNAGly and RAD7, was sequenced within the framework of the European Union genome systematic sequencing project. It was compared with previously published sequences to be found in GenBank under the acronym YSCCORA. While some of the discrepancies observed can be readily ascribed to polymorphism, others most probably result from sequencing errors. A revised version of the sequence of the COR cluster is given. The sequence has been deposited in the EMBL Data Library under Accession Number L26347.
    Zusätzliches Material: 1 Ill.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    New York, NY [u.a.] : Wiley-Blackwell
    Yeast 12 (1996), S. 839-848 
    ISSN: 0749-503X
    Schlagwort(e): actin-related protein ; DAPI staining ; gene disruption ; chromosome X ; Saccharomyces cerevisiae ; Life Sciences ; Life Sciences (general)
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Biologie
    Notizen: Actin molecules are major cytoskeleton components of all eukaryotic cells. All conventional actins that have been identified so far are 374-376 amino acids in size and exhibit at least 70% amino acid sequence identity when compared with one another. In the yeast Saccharomyces cerevisiae, one conventional actin gene ACT1 and three so-called actin-related genes, ACT2, ACT3 and ACT5, have been identified. We report here the discovery of a new actin-related gene in this organism, which we have named ACT4. The deduced protein, Act4, of 449 amino acids, exhibits only 33·4%, 26·7%, 23·4% and 29·2% identity to Act1, Act2, Act3 and Act5, respectively. In contrast, it is 68·4% identical to the product of the Schizosaccharomyces pombe Act2 gene and has a similar level of identity to other Sch. pombe Act2 homologues. This places Act4 in the Arp3 family of actin-related proteins. ACT4 gene disruption and tetrad analysis demonstrate that this gene is essential for the vegetative growth of yeast cells. The act4 mutants exhibit heterogenous morphological phenotypes. We hypothesize that Act4 may have multiple roles in the cell cycle. The sequence has been deposited in the Genome Sequence Data Base under Accession Number L37111.
    Zusätzliches Material: 6 Ill.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 4
    ISSN: 0749-503X
    Schlagwort(e): Saccharomyces cerevisiae ; chromosome X ; open reading frames ; tRNA ; ubiquitin-dependent proteolytic pathway ; Life and Medical Sciences ; Genetics
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Biologie
    Notizen: We have sequenced a 42,500 bp stretch located on chromosome X of Saccharomyces cerevisiae between the genes MET3 and CDC8. This stretch contains 24 open reading frames (ORFs) of at least 100 amino acids. Ten of these correspond to previously published sequences, whereas of the 14 remaining ORFs, only one, GTD892, has significant similarity to proteins from yeast or other organisms. It may belong to the family of ubiquitin-protein ligases and be involved in the ubiquitin-dependent proteolytic pathway. In addition, three tRNA genes were recognized, two of which had not been hitherto localized. The sequence has been deposited in the Genome Sequence Data Base under Accession Number L36344.
    Zusätzliches Material: 3 Ill.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 5
    ISSN: 0749-503X
    Schlagwort(e): Saccharomyces cerevisiae ; chromosome X ; open reading frames ; tRNA ; gene duplication ; Life Sciences ; Life Sciences (general)
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Biologie
    Notizen: We have sequenced a 61,989 bp stretch located between genes RAD7 and FIP1 of Saccharomyces cerevisiae chromosome X. This stretch contains 36 open reading frames (ORFs) of at least 100 codons. Fourteen of these correspond to sequences previously published as HIT1, CDC8, YAP17, CBF1, NAT1, RPA12, CCT5, TOR1, RFC2, PEM2, CDC11, MIR1, STE18 and GRR1. The proteins deduced from four ORFs (YJR059w, YJR065c, YJR075w, YJR078w) have significant similarity to proteins of known function from yeast or other organisms, including S. cerevisiae serine/threonine-specific protein kinase, Schizosaccharomyces pombe Act2 protein, S. cerevisiae mannosyltransferase OCH1 protein and mouse indoleamine 2,3-dioxygenase, respectively. Four of the remaining 18 ORFs have similarity to proteins with unknown function, six are weakly similar to other known sequences, while another eight exhibit no similarity to any known sequence. In addition, three tRNA genes have been recognized. Three genes clustered within 22 kb (YJR059w, YJR061w and TOR1) have counterparts arranged within 15 kb on the left arm of chromosome XI. The sequence has been deposited in the Genome Sequence Data Base under Accession Number L47993.
    Zusätzliches Material: 5 Ill.
    Materialart: Digitale Medien
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