ArticlePloS one2013
Evolution of chloroplast J proteins.
Article in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers, 1 of them a synthesis that pooled it.
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Who cites it
20 citing papers in PubMed, 1 synthesis or guideline pooled it, 42 citations in OpenAlex.
- Protein-protein interactions reveal key genes in rice response to salt stress: a meta-analysis.Biologia futura · 2026Pooled it
- The mitochondrial DnaJA protein LMA1 regulates reactive oxygen species homeostasis and anthocyanin biosynthesis inPlant diversity · 2026Article
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- The ABAP1 interacting protein 10 (AIP10) exerts a dual role in the cell cycle and primary metabolism pathways in Arabidopsis thaliana.The Plant journal : for cell and molecular biology · 2025Article
- The Shared Proteome of the Apomictic FernInternational journal of molecular sciences · 2022Article
- Review
- Identification of Putative Markers of Non-infectious Bud Failure in Almond [Frontiers in plant science · 2022Article
- Screening and Identification of Candidate GUN1-Interacting Proteins inInternational journal of molecular sciences · 2021Article
- Comparative transcriptome and microbial community sequencing provide insight into yellow-leaf phenotype of Camellia japonica.BMC plant biology · 2021Article
- Genome-wide association studies in tropical maize germplasm reveal novel and known genomic regions for resistance to Northern corn leaf blight.Scientific reports · 2020Article
- Biochemical characterization of ClpB3, a chloroplastic disaggregase from Arabidopsis thaliana.Plant molecular biology · 2020Article
- Natural variation in Arabidopsis thaliana rosette area unveils new genes involved in plant development.Scientific reports · 2020Article
- Arabidopsis chloroplast J protein DJC75/CRRJ mediates nitrate-promoted seed germination in the dark.Annals of botany · 2020Article
- Improved lipid productivity inBiotechnology for biofuels · 2020Article
- Genome-wide analysis of the rice J-protein family: identification, genomic organization, and expression profiles under multiple stresses.3 Biotech · 2019Review
- The expanding world of plant J-domain proteins.Critical reviews in plant sciences · 2019Article
- Two Arabidopsis Chloroplast GrpE Homologues Exhibit Distinct Biological Activities and Can Form Homo- and Hetero-Oligomers.Frontiers in plant science · 2019Article
- The Rubisco Chaperone BSD2 May Regulate Chloroplast Coverage in Maize Bundle Sheath Cells.Plant physiology · 2017Article
- Orange protein has a role in phytoene synthase stabilization in sweetpotato.Scientific reports · 2016Article
- Oligouridylate Binding Protein 1b Plays an Integral Role in Plant Heat Stress Tolerance.Frontiers in plant science · 2016Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Hsp70 chaperones are involved in multiple biological processes and are recruited to specific processes by designated J domain-containing cochaperones, or J proteins. To understand the evolution and functions of chloroplast Hsp70s and J proteins, we identified the Arabidopsis chloroplast J protein constituency using a combination of genomic and proteomic database searches and individual protein import assays. We show that Arabidopsis chloroplasts have at least 19 J proteins, the highest number of confirmed J proteins for any organelle. These 19 J proteins are classified into 11 clades, for which cyanobacteria and glaucophytes only have homologs for one clade, green algae have an additional three clades, and all the other 7 clades are specific to land plants. Each clade also possesses a clade-specific novel motif that is likely used to interact with different client proteins. Gene expression analyses indicate that most land plant-specific J proteins show highly variable expression in different tissues and are down regulated by low temperatures. These results show that duplication of chloroplast Hsp70 in land plants is accompanied by more than doubling of the number of its J protein cochaperones through adding new J proteins with novel motifs, not through duplications within existing families. These new J proteins likely recruit chloroplast Hsp70 to perform tissue specific functions related to biosynthesis rather than to stress resistance.
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