ArticleMolecular & general genetics : MGG1994
The 42.5 kDa subunit of the NADH: ubiquinone oxidoreductase (complex I) in higher plants is encoded by the mitochondrial nad7 gene.
Article in Molecular & general genetics : MGG, 1994. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 28 citations in OpenAlex.
- Complex I impairment, respiratory compensations, and photosynthetic decrease in nuclear and mitochondrial male sterile mutants of Nicotiana sylvestris.Plant physiology · 2000Article
- Identification of eukaryotic peptide deformylases reveals universality of N-terminal protein processing mechanisms.The EMBO journal · 2000Article
- Lack of mitochondrial and nuclear-encoded subunits of complex I and alteration of the respiratory chain in Nicotiana sylvestris mitochondrial deletion mutants.Proceedings of the National Academy of Sciences of the United States of America · 1997Article
- The plant mitochondrial 22 kDa (PSST) subunit of respiratory chain complex I is encoded by a nuclear gene with enhanced transcript levels in flowers.Plant molecular biology · 1996Article
- Functional molecular aspects of the NADH dehydrogenases of plant mitochondria.Journal of bioenergetics and biomembranes · 1995Review
- Deletion of the last two exons of the mitochondrial nad7 gene results in lack of the NAD7 polypeptide in a Nicotiana sylvestris CMS mutant.Molecular & general genetics : MGG · 1995Article
- Active transcription of the pseudogene for subunit 7 of the NADH dehydrogenase in Marchantia polymorpha mitochondria.Molecular & general genetics : MGG · 1995Article
- Translation of nad9 mRNAs in mitochondria from Solanum tuberosum is restricted to completely edited transcripts.Nucleic acids research · 1994Article
- The NADH dehydrogenase subunit 7 gene is interrupted by four group II introns in the wheat mitochondrial genome.Molecular & general genetics : MGG · 1994Article
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Authors and funding
7 authors at 4 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
The N-terminal amino acid sequence of a 42.5 kDa subunit of the NADH: ubiquinone oxidoreductase (complex I) from potato has been determined by direct protein sequencing. The sequence was found to be homologous to that of the nuclear-encoded 49 kDa complex I subunit of bovine and Neurospora mitochondria and to the sequence deduced from the mitochondrial nad7 gene identified in the mitochondrial (mt) DNA of tryp anosomes and the moss Marchantia. An oligonucleotide probe derived from the potato N-terminal protein sequence hybridized only to the plant mtDNA. Immunoprecipitation of in-organello 35S-labelled potato and wheat mitochondrial translation products with an antibody directed against the Neurospora 49 kDa complex I subunit indicates that at least in these plants the NAD7 protein is synthesized within the organelle. Comparisons of genomic, cDNA and protein sequences of the 5' coding region reveal three codons that are changed by RNA-editing and confirm translation of the edited transcripts in plant mitochondria. The NAD7 protein appears to undergo post-translational processing since the N-terminal methionine residue is absent from the mature mitochondrial protein.
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