ArticleFrontiers in plant science2023
Oxygenic photosynthetic responses of cyanobacteria exposed under an M-dwarf starlight simulator: Implications for exoplanet's habitability.
Article in Frontiers in plant science, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Integrating resource utilization and bioregenerative life support systems for sustainable space exploration.Frontiers in microbiology · 2026Review
- Is a constitutive red-shift an advantage for oxygenic photosynthesis under M dwarf starlight? Insights fromFEMS microbes · 2026Article
- Growth of phylogenetically diverse microalgae under Far-Red light enriched spectra: implication for space missions' sustainability.Frontiers in microbiology · 2026Article
- Resilience of Metabolically Active Biofilms of a Desert Cyanobacterium Capable of Far-Red Photosynthesis Under Mars-like Conditions.Life (Basel, Switzerland) · 2025Article
- Article
- Optimizing photosynthetic light-harvesting under stars: simple and general antenna models.Photosynthesis research · 2024Article
- Far-red light photoacclimation in a desertFrontiers in microbiology · 2024Article
- Growth and Photosynthetic Efficiency of Microalgae and Plants with Different Levels of Complexity Exposed to a Simulated M-Dwarf Starlight.Life (Basel, Switzerland) · 2023Article
- Transcriptomic and photosynthetic analyses ofFrontiers in plant science · 2023Article
Corrections and comments
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Authors and funding
9 authors.
Funding
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Abstract
Introduction: The search for life on distant exoplanets is expected to rely on atmospheric biosignatures detection, such as oxygen of biological origin. However, it is not demonstrated how much oxygenic photosynthesis, which on Earth depends on visible light, could work under spectral conditions simulating exoplanets orbiting the Habitable Zone of M-dwarf stars, which have low light emission in the visible and high light emission in the far-red/near-infrared. By utilizing cyanobacteria, the first organisms to evolve oxygenic photosynthesis on our planet, and a starlight simulator capable of accurately reproducing the emission spectrum of an M-dwarf in the range 350-900 nm, we could answer this question. Methods: We performed experiments with the cyanobacterium Results: Both cyanobacteria were shown to grow and photosynthesize similarly under M-dwarf and solar light conditions: Discussion: Our results experimentally show that an M-dwarf light spectrum could support a biological oxygen production similar to that in solar light at the tested light intensities, suggesting the possibility to discover such atmospheric biosignatures on those exoplanets if other boundary conditions are met.
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