ArticleCurrent genetics2004
Variation in mitochondrial transcript profiles of protein-coding genes during early germination and seedling development in wheat.
Article in Current genetics, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 38 citations in OpenAlex.
- Why so Complex? The Intricacy of Genome Structure and Gene Expression, Associated with Angiosperm Mitochondria, May Relate to the Regulation of Embryo Quiescence or Dormancy-Intrinsic Blocks to Early Plant Life.Plants (Basel, Switzerland) · 2020Article
- The Reverse Transcriptase/RNA Maturase Protein MatR Is Required for the Splicing of Various Group II Introns in Brassicaceae Mitochondria.The Plant cell · 2016Article
- Retention of functional genes for S19 ribosomal protein in both the mitochondrion and nucleus for over 60 million years.Molecular genetics and genomics : MGG · 2015Article
- Group II intron splicing factors in plant mitochondria.Frontiers in plant science · 2014Review
- Mapping of wheat mitochondrial mRNA termini and comparison with breakpoints in DNA homology among plants.Plant molecular biology · 2012Article
- Large 3' UTR of sugar beet rps3 is truncated in cytoplasmic male-sterile mitochondria.Plant cell reports · 2011Article
- Increased accumulation of intron-containing transcripts in rice mitochondria caused by low temperature: is cold-sensitive RNA editing implicated?Current genetics · 2010Article
- Impact of genomic environment on mitochondrial rps7 mRNA features in grasses.Molecular genetics and genomics : MGG · 2010Article
- Transcription profiles of mitochondrial genes correlate with mitochondrial DNA haplotypes in a natural population of Silene vulgaris.BMC plant biology · 2010Article
- Developmentally-specific transcripts from the ccmFN-rps1 locus in wheat mitochondria.Molecular genetics and genomics : MGG · 2008Article
- Multiple physical forms of excised group II intron RNAs in wheat mitochondria.Nucleic acids research · 2006Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We examined RNA profiles of wheat mitochondrial genes during the developmental period when seeds leave dormancy, germinate and develop into seedlings. Mitochondrial RNAs isolated from 0 h to 6 days post-imbibition were subjected to Northern analysis, using coding-specific and intron-specific probes. Stable, edited mRNAs were observed in dormant seeds and precursor RNAs were subsequently detected early in embryo germination. The respiratory chain genes (nad7, cox1, cox2, atp6) showed mRNA profiles which paralleled those of the ribosomal RNAs, whereas ribosomal protein genes (rps2, rps3, rps7) had proportionately lower steady-state mRNA levels in later stages of seedling development. The relative levels of precursors compared with the respective mRNAs shifted down during development, consistent with transcription outpacing RNA processing in the early stages but co-ordination being more effective several days after imbibition. In the case of multiply split genes containing group II introns, complex patterns of splicing intermediates were observed, suggesting a lack of strict polarity of intron removal, although splicing efficiency appears to differ among introns. Excised intron RNAs typically are relatively more abundant in embryos than seedlings. These observations are consistent with a transient imbalance of RNA-processing machinery at the onset of seed germination, which is a period of rapid mitochondrial biogenesis.
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