Search
Search Results
-
How electron tunneling and uphill excitation energy transfer support photochemistry in Halomicronema hongdechloris
Halomicronema hongdechloris , the first cyanobacterium reported to produce the red-shifted chlorophyll f (Chl f ) upon acclimation to far-red light,...
-
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...
-
Resonance Energy Transfer
One way that an excited molecule can return to the ground state is to transfer the excitation energy to another molecule. This process, resonance...
-
ApcE plays an important role in light-induced excitation energy dissipation in the Synechocystis PCC6803 phycobilisomes
Phycobilisomes (PBs) play an important role in cyanobacterial photosynthesis. They capture light and transfer excitation energy to the photosynthetic...
-
Excitation transfer and quenching in photosystem II, enlightened by carotenoid triplet state in leaves
Accumulation of carotenoid (Car) triplet states was investigated by singlet–triplet annihilation, measured as chlorophyll (Chl) fluorescence...
-
Long-term light adaptation of light-harvesting and energy-transfer processes in the glaucophyte Cyanophora paradoxa under different light conditions
In response to fluctuation in light intensity and quality, oxygenic photosynthetic organisms modify their light-harvesting and excitation...
-
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...
-
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...
-
Forster Resonance Energy Transfer (FRET) to Visualize Protein–Protein Interactions in the Plant Cell
Forster resonance energy transfer (FRET) is an efficient method to visualize the protein–protein interaction in living cells. This technique is based...
-
Specificity of Photochemical Energy Conversion in Photosystem I from the Green Microalga Chlorella ohadii
AbstractPrimary excitation energy transfer and charge separation in photosystem I (PSI) from the extremophile desert green alga Chlorella ohadii ...
-
Resonant vibrations produce quantum bridge over high-energy states in heterogeneous antenna
Photosynthetic light-harvesting complexes usually contain several pools of molecules with a big difference in transition energies, for example,...
-
Measuring Protein–Protein Interactions in Cells using Nanoluciferase Bioluminescence Resonance Energy Transfer (NanoBRET) Assay
Protein–protein interactions (PPIsProtein-protein interactions (PPIs)) are increasingly recognized for their roles in functional cellular networks...
-
Monitoring Real-Time Temperature Dynamics of a Short RNA Hairpin Using Förster Resonance Energy Transfer and Circular Dichroism
RNA molecules play crucial roles in gene expression regulation and cellular signaling, and these functions are governed by the formation of RNA...
-
Effect of Dipyridamole on Membrane Energization and Energy Transfer in Chromatophores of Rba. sphaeroides
AbstractEffect of dipyridamole (DIP) at concentrations up to 1 mM on fluorescent characteristics of light-harvesting complexes LH2 and LH1, as well...
-
High-light modification of excitation-energy-relaxation processes in the green flagellate Euglena gracilis
Photosynthetic organisms finely tune their photosynthetic machinery including pigment compositions and antenna systems to adapt to various light...
-
Homogeneous Time-Resolved Fluorescence Resonance Energy Transfer (TR-FRET) Cofactor Recruitment Assay for PPARα and PPARγ
Peroxisome proliferator-activated receptors are a family of nuclear hormone receptors that control the expression of genes involved in a variety of...
-
Microtubules as a potential platform for energy transfer in biological systems: a target for implementing individualized, dynamic variability patterns to improve organ function
Variability characterizes the complexity of biological systems and is essential for their function. Microtubules (MTs) play a role in structural...
-
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...
-
Carotenoid responds to excess energy dissipation in the LH2 complex from Rhodoblastus acidophilus
The functions of both (bacterio) chlorophylls and carotenoids in light-harvesting complexes have been extensively studied during the past decade,...
-
Excitation relaxation dynamics of carotenoids constituting the diadinoxanthin cycle
Carotenoids (Cars) exhibit two functions in photosynthesis, light-harvesting and photoprotective functions, which are performed through the excited...
