MEF26 - Plant Editosome Database - CNCB-NGDC

Summary

Editing Factor: MEF26
Synonym: Mitochondrial Editing Factor 26
Description: Encoding a DYW-PPR protein involved in mitochondrial RNA editing at two sites
Protein Family: PPR
Subclass: DYW
Physical Interaction: NA
Construct Structure: PLS-E-E+-DYW
Gene ID & Species: AT3G03580 (Arabidopsis thaliana)
Edited Gene(s): cox3    nad4
Editing Type(s): C-to-U (18)
Publication(s): [1] The Analysis of the Editing Defects in the Mutant Provides New Clues for the Prediction of RNA Targets of Arabidopsis E+-Class PPR Proteins., Plants (Basel, Switzerland), 2020. [PMID=32098170]
[2] Multiple PPR protein interactions are involved in the RNA editing system in mitochondria and plastids., Proceedings of the National Academy of Sciences of the United States of America, 2017. [PMID=28761003]
[3] The pentatricopeptide repeat protein MEF26 participates in RNA editing in mitochondrial cox3 and nad4 transcripts., Mitochondrion, 2014. [PMID=25173472]

Editing Details

Species Gene ID Organelle Edited Gene Position Region Nuclear Genome Organelle Genome Other Position Region Other Position Editing Type Codon Amino Acid Molecular Effect Experiment Details
Arabidopsis thaliana AT3G03580 Mitochondrion cox3 311 CDS TAIR
EnsemblGenomes (release 39)
NA
NA
BK010421
NA NA C-to-U UCU=>UUU
NA=>NA
S=>F
NA=>NA
Recoding
NA
Experiment Details
Genotype (Ecotype) Allele Treatment Treatment Detail Mutant Type Phenotype Tissue Development Stage Detection Method Editing Frequency Editing Extent Mutant Effect PMID
Col-0Col-0ControlControlControlNormalLeaf6 weeksDirect Sequencing of PCR Products100.00%CompleteNone25173472
LerLerControlControlControlNormalLeaf6 weeksDirect Sequencing of PCR Products100.00%CompleteNone25173472
GT_5_22445mef26-1Ds insertionDs is located at 18 bpHomozygousNALeaf6 weeksDirect Sequencing of PCR Products20.00%LowDecreased25173472
GK_895H11mef26-2T-DNA InsertionT-DNA is inserted at 947 bp downstream of the ATG codonHomozygousNALeaf6 weeksDirect Sequencing of PCR Products0.00%UneditedAbsent25173472
GK_895H11mef26-2+MEF26ComplementationMEF26 coding region is first cloned into pENTR/D-TOPO (Invitrogen) and then recloned into the binary vector pMDC32, between the CaMV35S promoter and the NOS terminatorNANALeaf6 weeksDirect Sequencing of PCR Products100.00%CompleteRestored25173472
Col-0WTControlControlControlNANANARNA-seq96.83%HighNone32098170
Col-0WTControlControlControlNormalLeafNART-PCR and calculated with the DNADynamo software (BlueTract100.00%CompleteNone28761003
Col-0DYW2-GFP-OE1Generating Arabidopsis plants overexpressing the GFP-tagged DYW2 geneCol-0 A. thaliana plants were transformed with the 35S::DYW2-GFP plasmids (in pK7WGF2 backbone) by the floral-dip method. Transformed plants were selected based on Kanamycin resistance. Two independenNASlow growthLeafNART-PCR and calculated with the DNADynamo software (BlueTract100.00%CompleteSimilar28761003
Col-0DYW2-GFP-OE2Generating Arabidopsis plants overexpressing the GFP-tagged DYW2 geneCol-0 A. thaliana plants were transformed with the 35S::DYW2-GFP plasmids (in pK7WGF2 backbone) by the floral-dip method. Transformed plants were selected based on Kanamycin resistance. Two independenNASlow growthLeafNART-PCR and calculated with the DNADynamo software (BlueTract100.00%CompleteSimilar28761003
Arabidopsis thaliana AT3G03580 Mitochondrion nad4 166 CDS TAIR
EnsemblGenomes (release 39)
NA
NA
BK010421
NA NA C-to-U CGG=>UGG
NA=>NA
R=>W
NA=>NA
Recoding
NA
Experiment Details
Genotype (Ecotype) Allele Treatment Treatment Detail Mutant Type Phenotype Tissue Development Stage Detection Method Editing Frequency Editing Extent Mutant Effect PMID
Col-0Col-0ControlControlControlNormalLeaf6 weeksDirect Sequencing of PCR Products100.00%CompleteNone25173472
LerLerControlControlControlNormalLeaf6 weeksDirect Sequencing of PCR Products100.00%CompleteNone25173472
GT_5_22445mef26-1Ds insertionDs is located at 18 bpHomozygousNALeaf6 weeksDirect Sequencing of PCR Products55.00%MediumDecreased25173472
GK_895H11mef26-2T-DNA InsertionT-DNA is inserted at 947 bp downstream of the ATG codonHomozygousNALeaf6 weeksDirect Sequencing of PCR Products60.00%HighDecreased25173472
GK_895H11mef26-2+MEF26ComplementationMEF26 coding region is first cloned into pENTR/D-TOPO (Invitrogen) and then recloned into the binary vector pMDC32, between the CaMV35S promoter and the NOS terminatorNANALeaf6 weeksDirect Sequencing of PCR Products100.00%CompleteRestored25173472
Col-0WTControlControlControlNANANARNA-seq95.55%HighNone32098170
Col-0WTControlControlControlNormalLeafNART-PCR and calculated with the DNADynamo software (BlueTract100.00%CompleteNone28761003
Col-0DYW2-GFP-OE1Generating Arabidopsis plants overexpressing the GFP-tagged DYW2 geneCol-0 A. thaliana plants were transformed with the 35S::DYW2-GFP plasmids (in pK7WGF2 backbone) by the floral-dip method. Transformed plants were selected based on Kanamycin resistance. Two independenNASlow growthLeafNART-PCR and calculated with the DNADynamo software (BlueTract100.00%CompleteSimilar28761003
Col-0DYW2-GFP-OE2Generating Arabidopsis plants overexpressing the GFP-tagged DYW2 geneCol-0 A. thaliana plants were transformed with the 35S::DYW2-GFP plasmids (in pK7WGF2 backbone) by the floral-dip method. Transformed plants were selected based on Kanamycin resistance. Two independenNASlow growthLeafNART-PCR and calculated with the DNADynamo software (BlueTract100.00%CompleteSimilar28761003
Last update: Feb 2026 (version 2.0)