Molecular and General Genetics MGG

, Volume 205, Issue 2, pp 331–338 | Cite as

The ATP synthase subunit 9 gene of Aspergillus nidulans: sequence and transcription

  • Michael Ward
  • Geoffrey Turner


We have determined the nucleotide sequence of the Aspergillus nidulans nuclear gene oliC31, which encodes subunit 9 of mitochondrial ATP synthase. The open reading frame contains no introns and specifies a predicted protein of 143 amino acids comprising a pre-sequence of 62 residues and a mature protein of 81 residues. The amino acid homology with the equivalent Neurospora crassa protein is 50% for the pre-sequence and 80% for the mature protein. A comparison with this and other imported mitochondrial proteins has revealed conserved regions which may be important for transport or subsequent processing. Multiple transcription initiation and polyadenylation sites have been identified. The promoter region of the oliC31 gene is characterised by long pyrimidine-rich tracts preceding the transcription initiation sites.

Key words

Aspergillus nidulans ATP synthase Transcription Sequence Mitochondria 


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Copyright information

© Springer-Verlag 1986

Authors and Affiliations

  • Michael Ward
    • 1
  • Geoffrey Turner
    • 1
  1. 1.Department of Microbiology, The Medical SchoolUniversity of BristolBristolUK

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