ArticleThe ISME journal2017
Adaptive thermostability of light-harvesting complexes in marine picocyanobacteria.
Article in The ISME journal, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed, 37 citations in OpenAlex.
- Preparation of phycocyanin-rich powder fromFood chemistry: X · 2026Article
- A genome-resolved cyanobacterial consortium from the Atacama Desert reveals novel bacterial diversity, stress-resilience potential, chromatic flexibility, and photoprotection.Frontiers in bioengineering and biotechnology · 2026Article
- Unravelling the molecular diversity of marine cyanobacterial communities in the lagoon of Nouméa (New Caledonia): impact of a cyclonic event.ISME communications · 2026Article
- Production and Applications of Cyanobacterial Phycocyanin: Trends and Prospects.Indian journal of microbiology · 2025Article
- Dual thermal ecotypes coexist within a nearly genetically identical population of the unicellular marine cyanobacteriumProceedings of the National Academy of Sciences of the United States of America · 2023Article
- Crystal structure of3 Biotech · 2023Article
- Article
- Characterization of Molecular Diversity and Organization of Phycobilisomes in Thermophilic Cyanobacteria.International journal of molecular sciences · 2023Article
- Global Phylogeography of MarinemSystems · 2022Article
- Exploring the structural aspects and therapeutic perspectives of cyanobacterial phycobiliproteins.3 Biotech · 2022Review
- Comparative Thermophysiology of MarineFrontiers in microbiology · 2022Article
- MarineProceedings of the National Academy of Sciences of the United States of America · 2021Article
- Seasonal environmental variability drives microdiversity within a coastal Synechococcus population.Environmental microbiology · 2021Article
- Evolutionary Mechanisms of Long-Term Genome Diversification Associated With Niche Partitioning in Marine Picocyanobacteria.Frontiers in microbiology · 2020Article
- Synergic Effects of Temperature and Irradiance on the Physiology of the MarineFrontiers in microbiology · 2020Article
- Complete Genome Sequence and Comparative Analysis ofInternational journal of molecular sciences · 2019Article
- A penalty on photosynthetic growth in fluctuating light.Scientific reports · 2017Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Marine Synechococcus play a key role in global oceanic primary productivity. Their wide latitudinal distribution has been attributed to the occurrence of lineages adapted to distinct thermal niches, but the physiological and molecular bases of this ecotypic differentiation remain largely unknown. By comparing six strains isolated from different latitudes, we showed that the thermostability of their light-harvesting complexes, called phycobilisomes (PBS), varied according to the average sea surface temperature at strain isolation site. Comparative analyses of thermal unfolding curves of the three phycobiliproteins (PBP) constituting PBS rods suggested that the differences in thermostability observed on whole PBSs relied on the distinct molecular flexibility and stability of their individual components. Phycocyanin was the least thermostable of all rod PBP, constituting a fragility point of the PBS under heat stress. Amino-acid composition analyses and structural homology modeling notably revealed the occurrence of two amino-acid substitutions, which might have a role in the observed differential thermotolerance of this phycobiliprotein among temperature ecotypes. We hypothesize that marine Synechococcus ancestors occurred first in warm niches and that during the colonization of cold, high latitude thermal niches, their descendants have increased the molecular flexibility of PBP to maintain optimal light absorption capacities, this phenomenon likely resulting in a decreased stability of these proteins. This apparent thermoadaptability of marine Synechococcus has most probably contributed to the remarkable ubiquity of these picocyanobacteria in the ocean.
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