ArticlePlant physiology2014
The mitochondrial protein import component, TRANSLOCASE OF THE INNER MEMBRANE17-1, plays a role in defining the timing of germination in Arabidopsis.
Article in Plant physiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 31 citations in OpenAlex.
- Genome-Wide Identification and Expression Analysis of the TIM Gene Family in Sea-Island Cotton (Current issues in molecular biology · 2026Article
- Beware of Sealing Film of Petri Dishes!-Alters the Expression of a Large Number of Genes.International journal of molecular sciences · 2025Article
- Structural analysis of the SAM domain of the Arabidopsis mitochondrial tRNA import receptor.The Journal of biological chemistry · 2024Article
- Mutation in Arabidopsis mitochondrial Pentatricopeptide repeat 40 gene affects tolerance to water deficit.Planta · 2024Article
- Mitochondrial redox systems as central hubs in plant metabolism and signaling.Plant physiology · 2021Review
- Expansion of the evolutionarily conserved network of J-domain proteins in the Arabidopsis mitochondrial import complex.Plant molecular biology · 2021Article
- Conserved and Opposite Transcriptome Patterns during Germination inInternational journal of molecular sciences · 2020Article
- Linking mitochondrial and chloroplast retrograde signalling in plants.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2020Review
- Translocase of the Outer Mitochondrial Membrane 40 Is Required for Mitochondrial Biogenesis and Embryo Development inFrontiers in plant science · 2019Article
- Cytosolic Glucose-6-Phosphate Dehydrogenase Is Involved in Seed Germination and Root Growth Under Salinity inFrontiers in plant science · 2019Article
- Targeted Proteomics Approach Toward Understanding the Role of the Mitochondrial Protease FTSH4 in the Biogenesis of OXPHOS During Arabidopsis Seed Germination.Frontiers in plant science · 2018Article
- Dissecting the Metabolic Role of Mitochondria during Developmental Leaf Senescence.Plant physiology · 2016Article
- The Roles of Mitochondrial Reactive Oxygen Species in Cellular Signaling and Stress Response in Plants.Plant physiology · 2016Review
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Authors and funding
11 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In Arabidopsis (Arabidopsis thaliana), small gene families encode multiple isoforms for many of the components of the mitochondrial protein import apparatus. There are three isoforms of the TRANSLOCASE OF THE INNER MEMBRANE17 (Tim17). Transcriptome analysis indicates that AtTim17-1 is only detectable in dry seed. In this study, two independent transfer DNA insertional mutant lines of tim17-1 exhibited a germination-specific phenotype, showing a significant increase in the rate of germination. Microarray analyses revealed that Attim17-1 displayed alterations in the temporal sequence of transcriptomic events during germination, peaking earlier compared with the wild type. Promoter analysis of AtTim17-1 further identified an abscisic acid (ABA)-responsive element, which binds ABA-responsive transcription factors, acting to repress the expression of AtTim17-1. Attim17-1 dry seeds contained significantly increased levels of ABA and gibberellin, 2- and 5-fold, respectively. These results support the model that mitochondrial biogenesis is regulated in a tight temporal sequence of events during germination and that altering mitochondrial biogenesis feeds back to alter the germination rate, as evidenced by the altered levels of the master regulatory hormones that define germination.
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