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Influence of the antiseptic octenidine on spectral characteristics and energy migration processes in photosystem II core complexes
Herein, the effect of cationic antiseptics (chlorhexidine, picloxidine, miramistin, octenidine) on the initial processes of the delivery of light...
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Oxidative modification of LHC II associated with photosystem II and PS I-LHC I-LHC II membranes
Under aerobic conditions the production of Reactive Oxygen Species (ROS) by electron transport chains is unavoidable, and occurs in both autotrophic...
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Generation of Photoelectric Responses by Photosystem II Core Complexes in the Presence of Externally Added Cytochrome c
AbstractThe effect of exogenous cytochrome c (cyt c ) on kinetics of photoelectric responses (Δψ) of two types of photosystem II (PSII) core...
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Photophysical characterization of tetrahydroxyphenyl porphyrin Zn(II) and V(IV) complexes: experimental and DFT study
Photodynamic therapy (PDT) is a promising technique for the treatment of various diseases. In this sense, the singlet oxygen quantum yield (Φ ∆ ) is a...
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Combining BN-PAGE and microscopy techniques to investigate pigment-protein complexes and plastid transitions in citrus fruit
BackgroundChlorophyll and carotenoids, the most widely distributed lipophilic pigments in plants, contribute to fruit coloration during development...
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Characterization of photosystem II assembly complexes containing ONE-HELIX PROTEIN1 in Arabidopsis thaliana
The assembly process of photosystem II (PSII) requires several auxiliary proteins to form assembly intermediates. In plants, early assembly...
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Steric hindrance, ligand ejection and associated photocytotoxic properties of ruthenium(II) polypyridyl complexes
Two ruthenium(II) polypyridyl complexes were prepared with the {Ru(phen) 2 } 2+ moiety and a third sterically non-hindering bidentate ligand, namely...
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Structural and Functional Dynamics of Microbial Photosystem Complexes
Photosynthesis involves two stages, the light reactions and the dark reactions that occur in thylakoid membranes and stroma, respectively. 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...
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Relationship between non-photochemical quenching efficiency and the energy transfer rate from phycobilisomes to photosystem II
The chromophorylated PBLcm domain of the ApcE linker protein in the cyanobacterial phycobilisome (PBS) serves as a bottleneck for Förster resonance...
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Measurements of the light-induced steady state electric potential generation by photosynthetic pigment-protein complexes
In this minireview, we consider the methods of measurements of the light-induced steady state transmembrane electric potential (Δψ) generation by...
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The PsbJ protein is required for photosystem II activity in centers lacking the PsbO and PsbV lumenal subunits
Photosystem II (PS II) of oxygenic photosynthesis is found in the thylakoid membranes of plastids and cyanobacteria. The mature PS II complex...
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The influence of cationic antiseptics on the processes of light energy conversion in various photosynthetic pigment-protein complexes
The widespread use of disinfectants and antiseptics, and consequently their release into the environment, determines the relevance of studying their...
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The location of the low-energy states in Lhca1 favors excitation energy transfer to the core in the plant PSI-LHCI supercomplex
Lhca1 is one of the four pigment-protein complexes composing the outer antenna of plant Photosystem I-light-havesting I supercomplex (PSI-LHCI). It...
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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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Effect of cationic antiseptics on fluorescent characteristics and electron transfer in cyanobacterial photosystem I complexes
In this study, the effects of cationic antiseptics such as chlorhexidine, picloxidine, miramistin, and octenidine at concentrations up to 150 µM on...
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Pharmacology of LRRK2 with type I and II kinase inhibitors revealed by cryo-EM
LRRK2 is one of the most promising drug targets for Parkinson’s disease. Though type I kinase inhibitors of LRRK2 are under clinical trials,...
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Qualitative and quantitative evaluation of thylakoid complexes separated by Blue Native PAGE
BackgroundBlue Native polyacrylamide gel electrophoresis (BN PAGE) followed by denaturing PAGE is a widely used, convenient and time efficient method...
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Measurements of Photoinactivation and Repair of Photosystem II
Marine phytoplankton utilize the energy absorbed from natural sunlight through Photosystem II (PS II) complexes, to split water and convert the light...
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Mutation of a metal ligand stabilizes the high-spin form of the S2 state in the O2-producing Mn4CaO5 cluster of photosystem II
The residue D1-D170 bridges Mn4 with the Ca ion in the O 2 -evolving Mn 4 CaO 5 cluster of Photosystem II. Recently, the D1-D170E mutation was shown to...
