ArticlePhotosynthesis research2019
Adaptation of light-harvesting functions of unicellular green algae to different light qualities.
Article in Photosynthesis research, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 46 citations in OpenAlex.
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- A Chloroplast-Localised Fluorescent Protein Enhances the Photosynthetic Action Spectrum in Green Algae.Microorganisms · 2022Article
- Evaluation of visible-light wavelengths that reduce or oxidize the plastoquinone pool in green algae with the activated FPhotosynthetica · 2022Article
- High-light modification of excitation-energy-relaxation processes in the green flagellate Euglena gracilis.Photosynthesis research · 2021Article
- Adaptation of light-harvesting and energy-transfer processes of a diatom Chaetoceros gracilis to different light qualities.Photosynthesis research · 2020Article
- Changes in excitation relaxation of diatoms in response to fluctuating light, probed by fluorescence spectroscopies.Photosynthesis research · 2020Article
- Artificial regulation of state transition for augmenting plant photosynthesis using synthetic light-harvesting polymer materials.Science advances · 2020Article
- Photoprotection mechanisms under different COPhotosynthesis research · 2020Article
- Formation of a PSI-PSII megacomplex containing LHCSR and PsbS in the moss Physcomitrella patens.Journal of plant research · 2019Article
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Oxygenic photosynthetic organisms perform photosynthesis efficiently by distributing captured light energy to photosystems (PSs) at an appropriate balance. Maintaining photosynthetic efficiency under changing light conditions requires modification of light-harvesting and energy-transfer processes. In the current study, we examined how green algae regulate their light-harvesting functions in response to different light qualities. We measured low-temperature time-resolved fluorescence spectra of unicellular green algae Chlamydomonas reinhardtii and Chlorella variabilis cells grown under different light qualities. By observing the delayed fluorescence spectra, we demonstrated that both types of green algae primarily modified the associations between light-harvesting chlorophyll protein complexes (LHCs) and PSs (PSII and PSI). Under blue light, Chlamydomonas transferred more energy from LHC to chlorophyll (Chl) located far from the PSII reaction center, while energy was transferred from LHC to PSI via different energy-transfer pathways in Chlorella. Under green light, both green algae exhibited enhanced energy transfer from LHCs to both PSs. Red light induced fluorescence quenching within PSs in Chlamydomonas and LHCs in Chlorella. In Chlorella, energy transfer from PSII to PSI appears to play an important role in balancing excitation between PSII and PSI.
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