ArticlePlant physiology2007
Two DEAD-box proteins may be part of RNA-dependent high-molecular-mass protein complexes in Arabidopsis mitochondria.
Article in Plant physiology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.
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Who cites it
27 citing papers in PubMed, 62 citations in OpenAlex.
- Dysregulated 3'-end processing of 18S pre-rRNA decreases mtPNPase efficiency in plant mitochondria.Nucleic acids research · 2026Article
- Mitochondrial RNA Helicases: Key Players in the Regulation of Plant Organellar RNA Splicing and Gene Expression.International journal of molecular sciences · 2024Review
- LkARF7 and LkARF19 overexpression promote adventitious root formation in a heterologous poplar model by positively regulating LkBBM1.Communications biology · 2023Article
- Utilizing Proteomic Approach to Analyze Potential Antioxidant Proteins in Plant against Irradiation.Antioxidants (Basel, Switzerland) · 2022Article
- Review
- In Arabidopsis thaliana mitochondria 5' end polymorphisms of nad4L-atp4 and nad3-rps12 transcripts are linked to RNA PROCESSING FACTORs 1 and 8.Plant molecular biology · 2021Article
- EMP32 is required for theRNA biology · 2021Article
- The ChloroplastCells · 2021Review
- Pentatricopeptide repeat protein MID1 modulates nad2 intron 1 splicing and Arabidopsis development.Scientific reports · 2020Article
- Identification of novel putative causative genes and genetic marker for male sterility in Japanese cedar (Cryptomeria japonica D.Don).BMC genomics · 2018Article
- Analysis of the Roles of the Arabidopsis nMAT2 and PMH2 Proteins Provided with New Insights into the Regulation of Group II Intron Splicing in Land-Plant Mitochondria.International journal of molecular sciences · 2017Article
- Chloroplast- or Mitochondria-Targeted DEAD-Box RNA Helicases Play Essential Roles in Organellar RNA Metabolism and Abiotic Stress Responses.Frontiers in plant science · 2017Review
- Recruitment of Arabidopsis RNA Helicase AtRH9 to the Viral Replication Complex by Viral Replicase to Promote Turnip Mosaic Virus Replication.Scientific reports · 2016Article
- A Cold-Inducible DEAD-Box RNA Helicase from Arabidopsis thaliana Regulates Plant Growth and Development under Low Temperature.PloS one · 2016Article
- The cytosolic branched-chain aminotransferases of Arabidopsis thaliana influence methionine supply, salvage and glucosinolate metabolism.Plant molecular biology · 2015Article
- Article
- Group II intron splicing factors in plant mitochondria.Frontiers in plant science · 2014Review
- Chloroplast RH3 DEAD box RNA helicases in maize and Arabidopsis function in splicing of specific group II introns and affect chloroplast ribosome biogenesis.Plant physiology · 2012Article
- RNA PROCESSING FACTOR3 is crucial for the accumulation of mature ccmC transcripts in mitochondria of Arabidopsis accession Columbia.Plant physiology · 2011Article
- Rice APOPTOSIS INHIBITOR5 coupled with two DEAD-box adenosine 5'-triphosphate-dependent RNA helicases regulates tapetum degeneration.The Plant cell · 2011Article
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Posttranscriptional processes are important for regulation of gene expression in plant mitochondria. DEAD-box proteins, which form a huge protein family with members from all kingdoms, are fundamental components in virtually all types of processes in RNA metabolism. Two members of this protein family, designated PMH1 and PMH2 (for PUTATIVE MITOCHONDRIAL RNA HELICASE), were analyzed and characterized in mitochondria of Arabidopsis (Arabidopsis thaliana). Green fluorescent protein tagging with N-terminal PMH1 and PMH2 sequences supports the mitochondrial localization of these proteins. Northern experiments, as well as histochemical beta-glucuronidase staining of transgenic plants carrying respective promoter:beta-glucuronidase fusion constructs, revealed differing transcription patterns for the two genes. In response to cold, however, transcript levels of both genes increased. Immunodetection analyses of mitochondrial protein complexes after two-dimensional blue native/urea SDS-PAGE and after fractionation on sucrose gradients strongly suggest that one or both proteins are part of RNA-dependent complexes. Cold treatment of cell cultures or solubilization of mitochondria in the presence of MgCl(2) favored the detection of high-molecular-mass complexes. This study paves the way for detailed analysis of high-molecular-mass complexes in mitochondria of higher plants.
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