The mitochondrial genome of Debaryomyces (Schwanniomyces) occidentalis encodes subunits of NADH dehydrogenase complex I

Caroline Fernet*, Maurice Claisse, G. Desmond Clark-Walker

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    2 Citations (Scopus)

    Abstract

    nad genes encoding subunits of the NADH dehydrogenase complex 1 have been revealed in the yeast Debaryomyces (Schwanniomyces) occidentalis. nad1, nad3, nad5, nad6 and most large mitochondrial genes have been located on a circular 41-kb map of mitochondrial DNA from this petite negative species. The genes nad1-nad6 are co-transcribed and the transcription is not inhibited by glucose. Sequences of nad6 and 5′-nad1 compared to homologs in other yeasts indicate better amino acids conservation for nad1 product than for nad6. A cytochrome b deficient mutant dependent on alternative oxidase and functional complex 1 for growth on respirable substrates also exhibits co-transcription of nad1-nad6.

    Original languageEnglish
    Pages (from-to)267-275
    Number of pages9
    JournalMitochondrion
    Volume2
    Issue number4
    DOIs
    Publication statusPublished - Mar 2003

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