ECB2 - Plant Editosome Database - BIG Data Center

Summary

Editing Factor: ECB2
Synonym: ARABIDOPSIS EARLY CHLOROPLAST BIOGENESIS2, ATECB2, EARLY CHLOROPLAST BIOGENESIS2, VAC1, VANILLA CREAM 1
Description: Encodes a pentatricopeptide repeat protein required for chloroplast transcript accD RNA editing and early chloroplast biogenesis.
Protein Family: PPR
Subclass: DYW
Construct Structure: PLS-E-DYW
Gene ID & Species: AT1G15510 (Arabidopsis thaliana)
Edited Gene(s): accD    ndhF    ndhG    petL    rpoA    rpoC1
Editing Type(s): C-to-U (36)
Publication(s): [1] Porphobilinogen deaminase HEMC interacts with the PPR-protein AtECB2 for chloroplast RNA editing, The Plant Journal, 2017. [PMID=28850756]
[2] A point mutation in the pentatricopeptide repeat motif of the AtECB2 protein causes delayed chloroplast development, Journal of Integrative Plant Biology, 2011. [PMID=21294841]
[3] Editing of accD and ndhF chloroplast transcripts is partially affected in the Arabidopsis vanilla cream1 mutant, Plant Molecular Biology, 2010. [PMID=20143129]
[4] AtECB2, a pentatricopeptide repeat protein, is required for chloroplast transcript accD RNA editing and early chloroplast biogenesis in Arabidopsis thaliana, The Plant Journal, 2009. [PMID=19500301]

Editing Details

Species Gene ID Organelle Edited Gene Position Region Editing Type Codon Amino Acid Molecular Effect Experiment Details
Arabidopsis thaliana AT1G15510 Chloroplast accD 794 CDS C-to-U UCG=>UUG S=>L Recoding
Experiment Details
Genotype (Ecotype) Allele Treatment Treatment Detail Mutant Type Phenotype Tissue Development Stage Detection Method Editing Frequency Editing Extent Mutant Effect PMID
Lerecb2-2Point mutationThe Thr500 is converted to Ile500 in the 13th PPR motif of the atECB2 proteinA weak allelic mutantDelayed greening phenotypeLeaf21 daysDirect Sequencing of PCR Products29.60%LowDecreased21294841
Lerecb2-2Point mutationThe Thr500 is converted to Ile500 in the 13th PPR motif of the atECB2 proteinA weak allelic mutantDelayed greening phenotypeLeaf21 daysDirect Sequencing of PCR Products39.90%LowDecreased21294841
Lerecb2-2Point mutationThe Thr500 is converted to Ile500 in the 13th PPR motif of the atECB2 proteinA weak allelic mutantDelayed greening phenotypeCotyledon5 daysDirect Sequencing of PCR Products57.30%MediumDecreased21294841
Lerecb2-2Point mutationThe Thr500 is converted to Ile500 in the 13th PPR motif of the atECB2 proteinA weak allelic mutantDelayed greening phenotypeLeaf21 daysDirect Sequencing of PCR Products60.00%HighDecreased21294841
Lerecb2-2Point mutationThe Thr500 is converted to Ile500 in the 13th PPR motif of the atECB2 proteinA weak allelic mutantDelayed greening phenotypeCotyledon14 daysDirect Sequencing of PCR Products87.10%HighRestored21294841
LerWTNo treatmentNo treatmentNo treatmentNo treatmentLeaf21 daysDirect Sequencing of PCR Products95.40%HighNone21294841
LerWTNo treatmentNo treatmentNo treatmentNo treatmentLeaf21 daysDirect Sequencing of PCR Products95.40%HighNone21294841
LerWTNo treatmentNo treatmentNo treatmentNo treatmentLeaf21 daysDirect Sequencing of PCR Products95.40%HighNone21294841
LerWTNo treatmentNo treatmentNo treatmentNo treatmentCotyledon14 daysDirect Sequencing of PCR Products96.50%HighNone21294841
LerWTNo treatmentNo treatmentNo treatmentNo treatmentCotyledon5 daysDirect Sequencing of PCR Products98.50%HighNone21294841
ACR3p-GUS 73heterozygous vac1T-DNA InsertionNAHeterozygous; Null alleleAlbino to pale yellow phenotypeSeedling2 weeksDirect Sequencing of PCR Products62.00%HighDecreased20143129
Col-0WTNo treatmentNo treatmentNo treatmentNo treatmentSeedling2 weeksDirect Sequencing of PCR Products100.00%CompleteNone20143129
SALK_112251atecb2T-DNA InsertionNAKnockoutMutant atecb2 displays albino cotyledons and is seedling lethalSeedling14 daysDirect Sequencing of PCR Products0.00%UneditedAbsent19500301
SALK_112251TCComplementationNANANASeedling14 daysDirect Sequencing of PCR Products86.20%HighRestored19500301
Col-0WTNo treatmentNo treatmentNo treatmentNo treatmentSeedling14 daysDirect Sequencing of PCR Products89.50%HighNone19500301
NANARNA immunoprecipitation analysisNANANANANANANANANone28850756
Col-0AtECB2ΔE/E+ComplementationThe genomic sequence of AtECB2 lacking the E/E+ domain (AtECB2ΔE/E+) is introduced into atecb2/+ heterozygous plantsNAThese lines display seedling albino phenotypes similar to that of atecb2NANADirect Sequencing of PCR Products30.00%LowDecreased28850756
Col-0WTNo treatmentNo treatmentNo treatmentNo treatmentNANADirect Sequencing of PCR Products100.00%CompleteNone28850756
Arabidopsis thaliana AT1G15510 Chloroplast accD 1568 3'UTR C-to-U NA=>NA NA=>NA NA
Experiment Details
Genotype (Ecotype) Allele Treatment Treatment Detail Mutant Type Phenotype Tissue Development Stage Detection Method Editing Frequency Editing Extent Mutant Effect PMID
Lerecb2-2Point mutationThe Thr500 is converted to Ile500 in the 13th PPR motif of the atECB2 proteinA weak allelic mutantDelayed greening phenotypeCotyledon5 daysDirect Sequencing of PCR ProductsNALowDecreased21294841
Lerecb2-2Point mutationThe Thr500 is converted to Ile500 in the 13th PPR motif of the atECB2 proteinA weak allelic mutantDelayed greening phenotypeCotyledon14 daysDirect Sequencing of PCR ProductsNAMediumRestored21294841
ACR3p-GUS 73heterozygous vac1T-DNA InsertionNAHeterozygous; Null alleleAlbino to pale yellow phenotypeSeedling2 weeksDirect Sequencing of PCR Products8.00%PoorDecreased20143129
Col-0WTNo treatmentNo treatmentNo treatmentNo treatmentSeedling2 weeksDirect Sequencing of PCR Products55.00%MediumNone20143129
NANARNA immunoprecipitation analysisNANANANANANANANANone28850756
Col-0AtECB2ΔE/E+ComplementationThe genomic sequence of AtECB2 lacking the E/E+ domain (AtECB2ΔE/E+) is introduced into atecb2/+ heterozygous plantsNAThese lines display seedling albino phenotypes similar to that of atecb2NANADirect Sequencing of PCR Products0.00%UneditedAbsent28850756
Col-0WTNo treatmentNo treatmentNo treatmentNo treatmentNANADirect Sequencing of PCR Products80.00%HighNone28850756
Arabidopsis thaliana AT1G15510 Chloroplast ndhF 290 CDS C-to-U UCA=>UUA S=>L Recoding
Experiment Details
Genotype (Ecotype) Allele Treatment Treatment Detail Mutant Type Phenotype Tissue Development Stage Detection Method Editing Frequency Editing Extent Mutant Effect PMID
Lerecb2-2Point mutationThe Thr500 is converted to Ile500 in the 13th PPR motif of the atECB2 proteinA weak allelic mutantDelayed greening phenotypeCotyledon5 daysDirect Sequencing of PCR ProductsNANADecreased21294841
Lerecb2-2Point mutationThe Thr500 is converted to Ile500 in the 13th PPR motif of the atECB2 proteinA weak allelic mutantDelayed greening phenotypeCotyledon14 daysDirect Sequencing of PCR ProductsNANARestored21294841
ACR3p-GUS 73heterozygous vac1T-DNA InsertionNAHeterozygous; Null alleleAlbino to pale yellow phenotypeSeedling2 weeksDirect Sequencing of PCR Products49.00%MediumDecreased20143129
Col-0WTNo treatmentNo treatmentNo treatmentNo treatmentSeedling2 weeksDirect Sequencing of PCR Products95.00%HighNone20143129
NANARNA immunoprecipitation analysisNANANANANANANANANone28850756
Col-0AtECB2ΔE/E+ComplementationThe genomic sequence of AtECB2 lacking the E/E+ domain (AtECB2ΔE/E+) is introduced into atecb2/+ heterozygous plantsNAThese lines display seedling albino phenotypes similar to that of atecb2NANADirect Sequencing of PCR Products30.00%LowDecreased28850756
Col-0WTNo treatmentNo treatmentNo treatmentNo treatmentNANADirect Sequencing of PCR Products95.00%HighNone28850756
Arabidopsis thaliana AT1G15510 Chloroplast ndhG 50 CDS C-to-U UCC=>UUC S=>F Recoding
Experiment Details
Genotype (Ecotype) Allele Treatment Treatment Detail Mutant Type Phenotype Tissue Development Stage Detection Method Editing Frequency Editing Extent Mutant Effect PMID
NANARNA immunoprecipitation analysisNANANANANANANANANone28850756
Arabidopsis thaliana AT1G15510 Chloroplast petL 5 CDS C-to-U CCU=>CUU P=>L Recoding
Experiment Details
Genotype (Ecotype) Allele Treatment Treatment Detail Mutant Type Phenotype Tissue Development Stage Detection Method Editing Frequency Editing Extent Mutant Effect PMID
NANARNA immunoprecipitation analysisNANANANANANANANANone28850756
Arabidopsis thaliana AT1G15510 Chloroplast rpoA 200 CDS C-to-U UCU=>UUU S=>F Recoding
Experiment Details
Genotype (Ecotype) Allele Treatment Treatment Detail Mutant Type Phenotype Tissue Development Stage Detection Method Editing Frequency Editing Extent Mutant Effect PMID
NANARNA immunoprecipitation analysisNANANANANANANANANone28850756
Arabidopsis thaliana AT1G15510 Chloroplast rpoC1 488 CDS C-to-U UCA=>UUA S=>L Recoding
Experiment Details
Genotype (Ecotype) Allele Treatment Treatment Detail Mutant Type Phenotype Tissue Development Stage Detection Method Editing Frequency Editing Extent Mutant Effect PMID
NANARNA immunoprecipitation analysisNANANANANANANANANone28850756
Last update: Jul 2021 (version 1.0)