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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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A perspective on the major light-harvesting complex dynamics under the effect of pH, salts, and the photoprotective PsbS protein
The photosynthetic apparatus is a highly modular assembly of large pigment-binding proteins. Complexes called antennae can capture the sunlight and...
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Algal photosystem I dimer and high-resolution model of PSI-plastocyanin complex
Photosystem I (PSI) enables photo-electron transfer and regulates photosynthesis in the bioenergetic membranes of cyanobacteria and chloroplasts....
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Photosynthetic Light Reactions in Diatoms. I. The Lipids and Light-Harvesting Complexes of the Thylakoid Membrane
Light harvesting and photochemistry is performed by photosystems coupled to specific antennae embedded in the thylakoid membrane, a common principle...
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Cryo-EM structures of LHCII in photo-active and photo-protecting states reveal allosteric regulation of light harvesting and excess energy dissipation
The major light-harvesting complex of photosystem II (LHCII) has a dual regulatory function in a process called non-photochemical quenching to avoid...
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Cryo-EM structure of a plant photosystem II supercomplex with light-harvesting protein Lhcb8 and α-tocopherol
The heart of oxygenic photosynthesis is the water-splitting photosystem II (PSII), which forms supercomplexes with a variable amount of peripheral...
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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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Selective Excitation of Carotenoids of the Allochromatium vinosum Light-Harvesting LH2 Complexes Leads to Oxidation of Bacteriochlorophyll
AbstractThe mechanism of bacteriochlorophyll photooxidation in light-harvesting complexes of a number of purple photosynthetic bacteria when the...
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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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Light-harvesting complex stress-related proteins play crucial roles in the acclimation of Physcomitrella patens under fluctuating light conditions
Photosynthetic organisms have evolved photoprotective mechanisms to acclimate to light intensity fluctuations in their natural growth environments....
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Recent progress in atomistic modeling of light-harvesting complexes: a mini review
In this mini review, we focus on recent advances in the atomistic modeling of biological light-harvesting (LH) complexes. Because of their size and...
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Light-harvesting complex II is an antenna of photosystem I in dark-adapted plants
Photosystem I (PSI) is a major player in the light reactions of photosynthesis. In higher plants, it consists of a core complex and four external...
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The role of photosynthesis related pigments in light harvesting, photoprotection and enhancement of photosynthetic yield in planta
Photosynthetic pigments are an integral and vital part of all photosynthetic machinery and are present in different types and abundances throughout...
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Regulation of photosystem I-light-harvesting complex I from a red alga Cyanidioschyzon merolae in response to light intensities
Photosynthetic organisms use different means to regulate their photosynthetic activity in respond to different light conditions under which they...
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Complex Endosymbioses I: From Primary to Complex Plastids, Serial Endosymbiotic Events
A considerable part of the diversity of eukaryotic phototrophs consists of algae with plastids that evolved from endosymbioses between two...
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Growth phase-dependent reorganization of cryptophyte photosystem I antennae
Photosynthetic cryptophytes are eukaryotic algae that utilize membrane-embedded chlorophyll a/c binding proteins (CACs) and lumen-localized...
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Uncovering the photosystem I assembly pathway in land plants
Photosystem I (PSI) is one of two large pigment–protein complexes responsible for converting solar energy into chemical energy in all oxygenic...
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Outdoor photoacclimation of two Chlorella strains characterized by normal and reduced light-harvesting antennas: photosynthetic activity and chlorophyll-protein organization
Photoacclimation of two Chlorella cultures – strain g-120 characterised by a reduced size of light-harvesting antenna complex (LHC) and strain R-117...
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Light-harvesting complex gene regulation by a MYB-family transcription factor in the marine diatom, Phaeodactylum tricornutum
Unicellular photoautotrophs adapt to variations in light intensity by changing the abundance of light harvest pigment-protein complexes (LHCs) on...
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Accumulation of geranylgeranylated chlorophylls in the pigment-protein complexes of Arabidopsis thaliana acclimated to green light: effects on the organization of light-harvesting complex II and photosystem II functions
Light quality significantly influences plant metabolism, growth and development. Recently, we have demonstrated that leaves of barley and other plant...
