ArticleCell stress & chaperones2007
Comparative genomic analysis of the Hsp70s from five diverse photosynthetic eukaryotes.
Article in Cell stress & chaperones, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed, 61 citations in OpenAlex.
- Membrane Fluidization Governs the Coordinated Heat-Inducible Expression of Nucleus- and Plastid Genome-EncodedPlants (Basel, Switzerland) · 2023Article
- Characterization ofFrontiers in genetics · 2023Article
- Genome wide and evolutionary analysis of heat shock protein 70 proteins in tomato and their role in response to heat and drought stress.Molecular biology reports · 2022Article
- Mitochondria as a target and central hub of energy division during cold stress in insects.Frontiers in zoology · 2022Review
- Overexpression of herbaceous peony HSP70 confers high temperature tolerance.BMC genomics · 2019Article
- The Hsp70 Gene Family in Solanum tuberosum: Genome-Wide Identification, Phylogeny, and Expression Patterns.Scientific reports · 2018Article
- Effects of 200 GyMolecules (Basel, Switzerland) · 2018Article
- Molecular cloning and functional analysis of the drought tolerance gene MsHSP70 from alfalfa (Medicago sativa L.).Journal of plant research · 2017Article
- Sequence analysis of the Hsp70 family in moss and evaluation of their functions in abiotic stress responses.Scientific reports · 2016Article
- Overexpression of a Brassica campestris HSP70 in tobacco confers enhanced tolerance to heat stress.Protoplasma · 2016Article
- A first line of stress defense: small heat shock proteins and their function in protein homeostasis.Journal of molecular biology · 2015Review
- Article
- Horizontal gene transfer of a chloroplast DnaJ-Fer protein to Thaumarchaeota and the evolutionary history of the DnaK chaperone system in Archaea.BMC evolutionary biology · 2012Article
- Heat shock protein gene family of the Porphyra seriata and enhancement of heat stress tolerance by PsHSP70 in Chlamydomonas.Marine biotechnology (New York, N.Y.) · 2012Article
- Molecular cloning and characterization of four heat shock protein genes from Macrocentrus cingulum (Hymenoptera: Braconidae).Molecular biology reports · 2010Article
- Molecular cloning and expression analysis of a cytosolic Hsp70 gene from Antarctic ice algae Chlamydomonas sp. ICE-L.Extremophiles : life under extreme conditions · 2010Article
- Molecular cloning and characterization of gene encoding for cytoplasmic Hsc70 from Pennisetum glaucum may play a protective role against abiotic stresses.Molecular genetics and genomics : MGG · 2010Article
- Isolation and characterization of a cDNA encoding a heat shock protein 70 from a sterile mutant of Ulva pertusa (Ulvales, Chlorophyta).Ecotoxicology (London, England) · 2010Article
- Implication of chlorophyll biosynthesis on chloroplast-to-nucleus retrograde signaling.Plant signaling & behavior · 2009Article
- Plastid chaperonin proteins Cpn60 alpha and Cpn60 beta are required for plastid division in Arabidopsis thaliana.BMC plant biology · 2009Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We have identified 24 members of the DnaK subfamily of heat shock 70 proteins (Hsp70s) in the complete genomes of 5 diverse photosynthetic eukaryotes. The Hsp70s are a ubiquitous protein family that is highly conserved across all domains of life. Eukaryotic Hsp70s are found in a number of subcellular compartments in the cell: cytoplasm, mitochondrion (MT), chloroplast (CP), and endoplasmic reticulum (ER). Although the Hsp70s have been the subject of intense study in model organisms, very little is known of the Hsp70s from early diverging photosynthetic lineages. The sequencing of the complete genomes of Thalassiosira pseudonana (a diatom), Cyanidioschyzon merolae (a red alga), and 3 green algae (Chlamydomonas reinhardtii, Ostreococcus lucimarinus, Ostreococcus tauri) allow us to conduct comparative genomics of the Hsp70s present in these diverse photosynthetic eukaryotes. We have found that the distinct lineages of Hsp70s (MT, CP, ER, and cytoplasmic) each have different evolutionary histories. In general, evolutionary patterns of the mitochondrial and endoplasmic reticulum Hsp70s are relatively stable even among very distantly related organisms. This is not true of the chloroplast Hsp70s and we discuss the distinct evolutionary patterns between "green" and "red" plastids. Finally, we find that, in contrast to the angiosperms Arabidopsis thaliana and Oryza sativa that have numerous cytoplasmic Hsp70, the 5 algal species have only 1 cytoplasmic Hsp70 each. The evolutionary and functional implications of these differences are discussed.
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