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Red algae acclimate to low light by modifying phycobilisome composition to maintain efficient light harvesting
BackgroundDespite a global prevalence of photosynthetic organisms in the ocean’s mesophotic zone (30–200+ m depth), the mechanisms that enable...
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Phycobilisome light-harvesting efficiency in natural populations of the marine cyanobacteria Synechococcus increases with depth
Cyanobacteria of the genus Synechococcus play a key role as primary producers and drivers of the global carbon cycle in temperate and tropical...
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The structural basis for light acclimation in phycobilisome light harvesting systems systems in Porphyridium purpureum
Photosynthetic organisms adapt to changing light conditions by manipulating their light harvesting complexes. Biophysical, biochemical, physiological...
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Effects of chromium (VI) at extreme alkaline condition (pH 11) on the survival, growth, photosystems and phycobilisome operation of the cyanobacterium Synechocystis sp. Strain FS 78
The cyanobacterium Synechocystis sp. strain FS 78 was recently isolated from chromium polluted paddy fields in the North of Iran. In the present...
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Ultrafast energy transfer dynamics of phycobilisome from Thermosynechococcus vulcanus, as revealed by ps fluorescence and fs pump-probe spectroscopies
Cyanobacterial photosynthetic systems efficiently capture sunlight using the pigment-protein megacomplexes, phycobilisome (PBS). The energy is...
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Mutagenic analysis of the bundle-shaped phycobilisome from Gloeobacter violaceus
Gloeobacter violaceus is an ancient cyanobacterium as it branches out from the basal position in the phylogenic tree of cyanobacteria. It lacks...
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Intramolecular charge transfer and the function of vibronic excitons in photosynthetic light harvesting
A widely discussed explanation for the prevalence of pairs or clusters of closely spaced electronic chromophores in photosynthetic light-harvesting...
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Phycobilisome integrity and functionality in lipid unsaturation and xanthophyll mutants in Synechocystis
The major light-harvesting system in cyanobacteria, the phycobilisome, is an essential component of the photosynthetic apparatus that regulates the...
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Responding to light signals: a comprehensive update on photomorphogenesis in cyanobacteria
Cyanobacteria are ancestors of chloroplast and perform oxygen-evolving photosynthesis similar to higher plants and algae. However, an obligatory...
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Effect of salinity stress and nitrogen depletion on growth, morphology and toxin production of freshwater cyanobacterium Microcoleus anatoxicus Stancheva & Conklin
Cyanobacterium Microcoleus anatoxicus, isolated from a coastal stream in northern California, produces both anatoxin-a (ATX) and dihydroanatoxin-a...
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Acclimation response and ability of growth and photosynthesis of terrestrial cyanobacterium Cylindrospermum sp. strain FS 64 under combined environmental factors
This investigation tested the hypothesis that the native cyanobacteria can acclimatize and grow under the combination of environmental factors and/or...
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Phylogenetic and spectroscopic insights on the evolution of core antenna proteins in cyanobacteria
Light harvesting by antenna systems is the initial step in a series of electron-transfer reactions in all photosynthetic organisms, leading to energy...
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Underwater Photosynthesis in Cyanobacteria: Challenges and Adaptations
Within the class of photosynthetic organisms, cyanobacteria are among the most prevalent and diverse groups. They can multiply under a wide range of...
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Identification of a c-type heme oxygenase and its function during acclimation of cyanobacteria to nitrogen fluctuations
The mechanisms of acclimating to a nitrogen-fluctuating environment are necessary for the survival of aquatic cyanobacteria in their natural...
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Photosynthetic Organisms in Extreme Environments
Various extreme habitats such as thermal springs, deserts, hypersaline environment, polar regions, and acidic pools are present in the Earth, and...
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Metabolites, Molecular Diversity, and Applications of Cyanobacteria in the Beverage Industry
The chapter explores the metabolites, molecular diversity, and application of cyanobacteria in the beverage sector. Information in the chapter was...
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Fortuitously compatible protein surfaces primed allosteric control in cyanobacterial photoprotection
Highly specific interactions between proteins are a fundamental prerequisite for life, but how they evolve remains an unsolved problem. In...
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Cyanobacterial Stress and Its Omics Perspective
Cyanobacteria are prokaryotic oxygenic photoautotrophs exposed to various environmental stresses. Environmental stressors such as nutrient deficiency...
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Asymmetric survival in single-cell lineages of cyanobacteria in response to photodamage
Oxygenic photosynthesis is driven by the coupled action of the light-dependent pigment–protein complexes, photosystem I and II, located within the...
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Indirect interactions involving the PsbM or PsbT subunits and the PsbO, PsbU and PsbV proteins stabilize assembly and activity of Photosystem II in Synechocystis sp. PCC 6803
The low-molecular-weight PsbM and PsbT proteins of Photosystem II (PS II) are both located at the monomer-monomer interface of the mature PS II...
