MEF9 - Plant Editosome Database - CNCB-NGDC

Summary

Editing Factor: MEF9
Synonym: MITOCHONDRIAL EDITING FACTOR 9
Description: Encoding an E-subclass pentatricopeptide repeat protein required for an RNA editing event in the nad7 transcript in mitochondria of Arabidopsis
Protein Family: PPR
Subclass: E
Physical Interaction: NA
Construct Structure: PLS-E
Gene ID & Species: AT1G62260 (Arabidopsis thaliana)
Edited Gene(s): nad7
Editing Type(s): C-to-U (10)
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] MEF9, an E-subclass pentatricopeptide repeat protein, is required for an RNA editing event in the nad7 transcript in mitochondria of Arabidopsis., Plant physiology, 2010. [PMID=20018598]

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 AT1G62260 Mitochondrion nad7 200 CDS NA
EnsemblGenomes (release 39)
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-0mef9-1EMS MutantThe EMS mutant alters a Trp codon to a termination signal (W346Stop) in the center of the open reading frameNANormal growth phenotype under standard growth chamber conditions comparable to the wild-type plantLeafNAcDNA sequence analysis0.00%UneditedAbsent20018598
Col-0mef9-1ComplementationThe wild-type MEF9 gene is stably transformed into the mef9-1 mutant plantsNANALeafNAcDNA sequence analysis100.00%CompleteRestored20018598
Col-0mef9-1ComplementationCol wild-type MEF9 gene is transfected into the mef9-1 mutant protoplastsNANAProtoplastNAcDNA sequence analysis50.00%MediumDecreased20018598
Col-0mef9-2EMS MutantThe EMS mutant causes a single nucleotide alteration (W581stop) in a location further downstream at the beginning of the E domainNAPlant mef9-2 displays a somewhat slower growth with bolting and flower set delayed by about 2 weeksLeafNAcDNA sequence analysis0.00%UneditedAbsent20018598
Col-0mef9-2ComplementationCol Wild-Type Mef9 Gene Was Transfected Into The Mef9-2 Mutant ProtoplastsNANAProtoplastNAcDNA sequence analysis50.00%MediumDecreased20018598
Col-0WTControlControlControlNormalLeafNAcDNA sequence analysis100.00%CompleteNone20018598
Col-0WTControlControlControlNANANARNA-seq95.60%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)