ArticlePlant physiology2000
Complex I impairment, respiratory compensations, and photosynthetic decrease in nuclear and mitochondrial male sterile mutants of Nicotiana sylvestris.
Article in Plant physiology, 2000. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 68 papers.
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Who cites it
68 citing papers in PubMed, 200 citations in OpenAlex.
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- Species-wide inventory ofProceedings of the National Academy of Sciences of the United States of America · 2024Article
- Mitochondrial ATP SynthaseInternational journal of molecular sciences · 2024Article
- Mitochondrial Complex I Disruption Causes Broad Reorchestration of Plant Lipidome Including Chloroplast Lipids.International journal of molecular sciences · 2022Article
- Cytonuclear coevolution in a holoparasitic plant with highly disparate organellar genomes.Plant molecular biology · 2022Article
- Cloning and Organelle Expression of Bamboo Mitochondrial Complex I Subunits Nad1, Nad2, Nad4, and Nad5 in the YeastInternational journal of molecular sciences · 2022Article
- An Insight Into the Mechanism of Plant Organelle Genome Maintenance and Implications of Organelle Genome in Crop Improvement: An Update.Frontiers in cell and developmental biology · 2021Review
- The Complete Mitogenome ofFrontiers in plant science · 2021Article
- Evidence for thermosensitivity of the cotton (Gossypium hirsutum L.) immature fiber (im) mutant via hypersensitive stomatal activity.PloS one · 2021Article
- Characterization of Light-Enhanced Respiration in Cyanobacteria.International journal of molecular sciences · 2020Article
- Do angiosperms with highly divergent mitochondrial genomes have altered mitochondrial function?Mitochondrion · 2019Article
- Physiological and transcriptome analysis reveal molecular mechanism in Salvia miltiorrhiza leaves of near-isogenic male fertile lines and male sterile lines.BMC genomics · 2019Article
- A Mitochondrial Transcription Termination Factor,G3 (Bethesda, Md.) · 2019Article
- Elucidating genomic patterns and recombination events in plant cybrid mitochondria.Plant molecular biology · 2019Article
- Selfish Mitonuclear Conflict.Current biology : CB · 2019Review
- Mitotypes Based on Structural Variation of Mitochondrial Genomes Imply Relationships With Morphological Phenotypes and Cytoplasmic Male Sterility in Peppers.Frontiers in plant science · 2019Article
- Nitrogen Source Dependent Changes in Central Sugar Metabolism Maintain Cell Wall Assembly in Mitochondrial Complex I-DefectiveInternational journal of molecular sciences · 2018Article
- MaizeGenetics · 2018Article
- WHITE PANICLE3, a Novel Nucleus-Encoded Mitochondrial Protein, Is Essential for Proper Development and Maintenance of Chloroplasts and Mitochondria in Rice.Frontiers in plant science · 2018Article
8 more citing papers are in PubMed but not listed here.
Corrections and comments
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Authors and funding
3 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We have previously shown that in Nicotiana sylvestris cytoplasmic male-sterile (CMS) mutants where the mtDNA lacks the nad7 gene coding for a subunit of respiratory Complex I (NADH:ubiquinone oxidoreductase, EC 1.6.5.3), glycine (Gly) oxidation was lower than in the wild type and insensitive to rotenone, suggesting Complex I dysfunction. In contrast, the oxidation rate of exogenous NADH and the capacity of the cyanide-resistant respiration (AOX) were enhanced. Here we report that, in contrast to Gly, the rate of malate oxidation was not affected, but proceeded totally in a rotenone-insensitive pathway, strongly suggesting that survival of CMS plants depends on the activation of internal and external alternative NAD(P) H dehydrogenases and that Gly decarboxylase activity depends on Complex I functioning. A similar defect in Complex I activity and Gly oxidation was found in the NMS1 nuclear mutant, defective in the processing of the nad4 transcript, but alternative NAD(P) H dehydrogenases were less activated. In CMS and NMS1, the fraction of the AOX pathway was increased, as compared to wild type, associated with higher amounts of aox transcripts, AOX protein, and plant resistance to cyanide. Non-phosphorylating respiratory enzymes maintained normal in vivo respiration levels in both mutants, but photosynthesis was decreased, in correlation with lower leaf conductance, emphasizing mitochondrial control on photosynthesis.
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