ArticlePlant physiology2004
Enhanced photosynthesis and redox energy production contribute to salinity tolerance in Dunaliella as revealed by homology-based proteomics.
Article in Plant physiology, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 77 papers.
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77 citing papers in PubMed, 271 citations in OpenAlex.
- Light-dependent processes in algae across scales: from cellular physiology to ecological organization.Plant physiology · 2026Review
- Proline treatment improves salinity tolerance in the green microalga Dunaliella sp. by altering carbon partitioning and inducing metabolites accumulation.Folia microbiologica · 2026Article
- Responsive mechanism of Hemerocallis citrina Baroni to complex saline-alkali stress revealed by photosynthetic characteristics and antioxidant regulation.Plant cell reports · 2024Article
- Differential protein analysis of saline-alkali promoting the oil accumulation in Nitzschia palea.Biotechnology for biofuels and bioproducts · 2024Article
- The Time-Resolved Salt Stress Response ofInternational journal of molecular sciences · 2023Article
- Physiological and Biochemical Responses in MicroalgaeLife (Basel, Switzerland) · 2023Article
- Elevated inorganic carbon and salinity enhances photosynthesis and ATP synthesis in picoalgaFrontiers in microbiology · 2023Article
- Transcriptome Analysis Reveals the Mechanisms of Tolerance to High Concentrations of Calcium Chloride Stress inInternational journal of molecular sciences · 2022Article
- Changes in Carbon Partitioning and Pattern of Antioxidant Enzyme Activity Induced by Arginine Treatment in the Green Microalga Dunaliella salina Under Long-Term Salinity.Microbial ecology · 2022Article
- Physiological and metabolic responses of Microcystis aeruginosa to a salinity gradient.Environmental science and pollution research international · 2022Article
- Article
- Transcriptome-wide characterization and functional analysis of Xyloglucan endo-transglycosylase/hydrolase (XTH) gene family of Salicornia europaea L. under salinity and drought stress.BMC plant biology · 2021Article
- Data-Independent-Acquisition-Based Proteomic Approach towards Understanding the Acclimation Strategy of Oleaginous MicroalgaACS omega · 2021Article
- Limitation of Microbial Processes at Saturation-Level Salinities in a Microbial Mat Covering a Coastal Salt Flat.Applied and environmental microbiology · 2021Article
- Review
- Different Metabolic Roles for Alternative Oxidase in Leaves of Palustrine and Terrestrial Species.Frontiers in plant science · 2021Article
- Transcriptomic profile analysis of the halophyte Suaeda rigida response and tolerance under NaCl stress.Scientific reports · 2020Article
- Understanding Mechanisms of Salinity Tolerance in Barley by Proteomic and Biochemical Analysis of Near-Isogenic Lines.International journal of molecular sciences · 2020Article
- Article
- Novel insights into salinity-induced lipogenesis and carotenogenesis in the oleaginous astaxanthin-producing algaBiotechnology for biofuels · 2020Article
17 more citing papers are in PubMed but not listed here.
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Salinity is a major limiting factor for the proliferation of plants and inhibits central metabolic activities such as photosynthesis. The halotolerant green alga Dunaliella can adapt to hypersaline environments and is considered a model photosynthetic organism for salinity tolerance. To clarify the molecular basis for salinity tolerance, a proteomic approach has been applied for identification of salt-induced proteins in Dunaliella. Seventy-six salt-induced proteins were selected from two-dimensional gel separations of different subcellular fractions and analyzed by mass spectrometry (MS). Application of nanoelectrospray mass spectrometry, combined with sequence-similarity database-searching algorithms, MS BLAST and MultiTag, enabled identification of 80% of the salt-induced proteins. Salinity stress up-regulated key enzymes in the Calvin cycle, starch mobilization, and redox energy production; regulatory factors in protein biosynthesis and degradation; and a homolog of a bacterial Na(+)-redox transporters. The results indicate that Dunaliella responds to high salinity by enhancement of photosynthetic CO(2) assimilation and by diversion of carbon and energy resources for synthesis of glycerol, the osmotic element in Dunaliella. The ability of Dunaliella to enhance photosynthetic activity at high salinity is remarkable because, in most plants and cyanobacteria, salt stress inhibits photosynthesis. The results demonstrated the power of MS BLAST searches for the identification of proteins in organisms whose genomes are not known and paved the way for dissecting molecular mechanisms of salinity tolerance in algae and higher plants.
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