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  • 1
    ISSN: 1432-0983
    Keywords: Aspergillus niger ; oliC ; Oligomycin resistance ; Transformation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The oliC3 gene of Aspergillus niger has been isolated and sequenced. This gene encodes an oligomycinresistant variant of the mitochondrial ATP synthase subunit 9. In transformation experiments the gene can serve as a semi-dominant selectable marker for A. niger. It was possible to recognize transformants in which oliC3 had integrated at the homologous oliC locus, as opposed to elsewhere in the genome, by observation of phenotypes on medium containing oligomycin. DNA sequencing has allowed comparison of the deduced amino acid sequence with subunit 9 proteins from other species and comparison of 5′ untranslated sequences with those from other fungi.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-0983
    Keywords: Key words APS kinase ; ATP sulphurylase ; Aspergillus nidulans ; Allosteric inhibition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The sD gene of Aspergillus nidulans has been cloned by heterologous screening of rationally selected cosmids. Co-transformation of the sD50 mutant JMP1 confirmed the presence of a functional gene. Sequence analysis determined this gene to be 680 bp in length, containing a 59-bp intron and encoding a protein of 206 amino acids. A protein-sequence comparison revealed a similarity to the C-terminal region of ATP sulphurylase, the sC gene product. Further sequence comparison revealed differences in a consensus sequence ATP-binding motif, indicating non-functionality of the APS kinase-like domain of ATP sulphurylase, and confirms sD as the gene encoding APS kinase in A. nidulans.
    Type of Medium: Electronic Resource
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