ArticlePloS one2015
Diversification, evolution and sub-functionalization of 70kDa heat-shock proteins in two sister species of antarctic krill: differences in thermal habitats, responses and implications under climate change.
Article in PloS one, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed.
- Comparative Population Transcriptomics Provide New Insight into the Evolutionary History and Adaptive Potential of World Ocean Krill.Molecular biology and evolution · 2023Article
- A Review on the Involvement of Heat Shock Proteins (Extrinsic Chaperones) in Response to Stress Conditions in Aquatic Organisms.Antioxidants (Basel, Switzerland) · 2023Review
- Cold Denaturation of Proteins in the Absence of Solvent: Implications for Protein Storage.Angewandte Chemie (International ed. in English) · 2022Article
- Cold Denaturation of Proteins in the Absence of Solvent: Implications for Protein Storage.Angewandte Chemie (Weinheim an der Bergstrasse, Germany) · 2022Article
- Characterization of Inducible HSP70 Genes in an Antarctic Yeast,Microorganisms · 2021Article
- Characterizing Gene Copy Number of Heat Shock Protein Gene Families in the Emerald Rockcod,Genes · 2020Article
- Antarctic krill (Euphausia superba) in a warming ocean: thermotolerance and deciphering Hsp70 responses.Cell stress & chaperones · 2020Article
- Description of strongly heat-inducible heat shock protein 70 transcripts from Baikal endemic amphipods.Scientific reports · 2019Article
- Warm temperatures, cool sponges: the effect of increased temperatures on the Antarctic spongePeerJ · 2019Article
- Article
- Effects of Organotins on Crustaceans: Update and Perspectives.Frontiers in endocrinology · 2018Review
- TheEcology and evolution · 2017Article
- Biodiversity in marine invertebrate responses to acute warming revealed by a comparative multi-omics approach.Global change biology · 2017Article
- Responses of the arcto-boreal krill species Thysanoessa inermis to variations in water temperature: coupling Hsp70 isoform expressions with metabolism.Cell stress & chaperones · 2016Article
- Divergent ecological histories of two sister Antarctic krill species led to contrasted patterns of genetic diversity in their heat-shock protein (hsp70) arsenal.Ecology and evolution · 2016Article
- Article
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8 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundA comparative thermal tolerance study was undertaken on two sister species of Euphausiids (Antarctic krills) Euphausia superba and Euphausia crystallorophias. Both are essential components of the Southern Ocean ecosystem, but occupy distinct environmental geographical locations with slightly different temperature regimes. They therefore provide a useful model system for the investigation of adaptations to thermal tolerance. METHODOLOGY/PRINCIPAL FINDING: Initial CTmax studies showed that E. superba was slightly more thermotolerant than E. crystallorophias. Five Hsp70 mRNAs were characterized from the RNAseq data of both species and subsequent expression kinetics studies revealed notable differences in induction of each of the 5 orthologues between the two species, with E. crystallorophias reacting more rapidly than E. superba. Furthermore, analyses conducted to estimate the evolutionary rates and selection strengths acting on each gene tended to support the hypothesis that diversifying selection has contributed to the diversification of this gene family, and led to the selective relaxation on the inducible C form with its possible loss of function in the two krill species.
conclusionsThe sensitivity of the epipelagic species E. crystallorophias to temperature variations and/or its adaptation to cold is enhanced when compared with its sister species, E. superba. These results indicate that ice krill could be the first of the two species to be impacted by the warming of coastal waters of the Austral ocean in the coming years due to climate change.
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