MEF9 - Plant Editosome Database - BIG Data Center

Summary

Editing Factor: MEF9
Synonym: MITOCHONDRIAL EDITING FACTOR 9
Description: Encodes 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
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 dyw2 Mutant Provides New Clues for the Prediction of RNA Targets of Arabidopsis E+-Class PPR Proteins, Plants (Basel), 2020. [PMID=32098170]
[2] Multiple PPR Protein Interactions Are Involved in the RNA Editing System in Arabidopsis Mitochondria and Plastids, Proc Natl Acad Sci U S A, 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, 2009. [PMID=20018598]

Editing Details

Species Gene ID Organelle Edited Gene Position Region Editing Type Codon Amino Acid Molecular Effect Experiment Details
Arabidopsis thaliana AT1G62260 Mitochondrion nad7 200 CDS 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-0WTNo treatmentNo treatmentNo treatmentNo treatmentLeafNAcDNA sequence analysis100.00%CompleteNone20018598
Col-0WTNo treatmentNo treatmentNo treatmentNANANARNA-seq95.60%HighNone32098170
Col-0WTNo treatmentNo treatmentNo treatmentNormalRosette leafNART-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 growthRosette leafNART-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 growthRosette leafNART-PCR and calculated with the DNADynamo software (BlueTract100.00%CompleteSimilar28761003
Last update: Jul 2021 (version 1.0)