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Putative Hydrogen Bond to Tyrosine M208 in Photosynthetic Reaction Centers from Rhodobacter capsulatus Significantly Slows Primary Charge Separation
Coagulation Nano TiO2 Nano Al2O3 Breakage Fractal dimension
2016/5/25
Slow, ~50 ps, P* → P(+)HA(-) electron transfer is observed in Rhodobacter capsulatus reaction centers (RCs) bearing the native Tyr residue at M208 and the single amino acid change of isoleucine at M20...
Trapping the P+BL- Initial Intermediate State of Charge Separation in Photosynthetic Reaction Centers from Rhodobacter capsulatus
Humans Adult Physical Education and Training Physical Fitness Sports Male
2016/5/25
The short-lived (<1 ps) initial intermediate state P(+)B(L)(-) in the photoinduced charge separation process of the bacterial photosynthetic reaction center has been trapped in two D(LL)-based Rhodoba...
Temperature Dependence of Electron Transfer to the M-Side Bacteriopheophytin in Rhodobacter capsulatus Reaction Centers
hydrogenation fatty acids stereoselectivity kinetics
2016/5/25
Subpicosecond time-resolved absorption measurements at 77 K on two reaction center (RC) mutants of Rhodobacter capsulatus are reported. In the D(LL) mutant the D helix of the M subunit has been substi...
Charge Delocalization in the Special-Pair Radical Cation of Mutant Reaction Centers of Rhodobacter Sphaeroides from Stark Spectra and Nonadiabatic Spectral Simulations
Rhodobacter sphaeroides Cations Spectrophotometry Spectroscopy, Fourier Transform Infrared Mutagenesis,Site-Directed Absorption Dimerization Oxidation-Reduction Mutation Electrochemistry
2016/5/24
Stark and absorption spectra for the hole-transfer band of the bacteriochlorophyll special pair in the wild-type and L131LH, M160LH, and L131LH/M160LH mutants of the bacterial reaction center of Rhodo...
High Yield of M-Side Electron Transfer in Mutants of Rhodobacter Capsulatus Reaction Centers Lacking the L-Side Bacteriopheophytin
Rhodobacter capsulatus Pheophytins Detergents Spectrum Analysis Oxidation-Reduction Mutation Plasmids Amino Acid Sequence Molecular Sequence Data Histidine
2016/5/24
We present studies on a series of photosynthetic reaction center (RC) mutants created in the background of the Rhodobacter capsulatus D(LL) mutant, in which the D helix of the M subunit has been subst...
Stark Effect Spectroscopy of the 1250 nm P+ Band of Rhodobacter sphaeroides Reaction Centers and Related Model Compounds
Photosynthesis Reactioncenter Stark spectroscopy Mixedvalence
2016/5/23
The absorption and Stark effect spectra of the 1250 nm hand associated with the oxidized special pair (P+) in Rhodobacter sphaeroides reaction centers have been measured. The absorption spectrum in th...
Photosynthetic Reaction Center Mutagenesis via Chimeric Rescue of a Non-functional Rhodobacter capsulatus puf Operon with Sequences from Rhodobacter sphaeroides
photosynthesis recombination bacteria energy transfer antenna
2016/5/23
Photosynthetically active chimeric reaction centers which utilize genetic information from both Rhodobacter capsulatus and Rb. sphaeroides puf operons were isolated using a novel method termed chimeri...
Spectroscopic and Redox Properties of Sym1 and (M)F195H Rhodobacter capsulatus Reaction Center Symmetry Mutants Which Affect the Initial Electron Donor
Circular Dichroism Electron Spin Resonance Spectroscopy Electron Transport Genes, Bacterial Kinetics Light-Harvesting Protein Complexes Mutation Oxidation-Reduction Photosynthetic Reaction Center Complex Proteins Plasmids Protein Conformation Rhodobacter capsulatus Spectrophotometry
2016/5/23
The redox properties, absorption, electroabsorption, CD, EPR, and P+QA- recombination kinetics have been measured for the special pairs of two mutants of Rhodobacter capsulatus reaction centers involv...
Biochemical Characterization and Electron-Transfer Reactions of sym1,a Rhodobacter capsulatus Reaction Center Symmetry Mutant which Affects the Initial Electron Donor
Biochemical Characterization Electron-Transfer Reactions sym1 Rhodobacter capsulatus Reaction Center Initial Electron Donor
2016/5/23
A 51 bp section of the Rhodobacter capsulatus photosynthetic reaction center M subunit gene (nucleotides M562-M612 of the pufM structural sequence) encoding amino acids M187-M203 was replaced by the h...
Stark Effect Spectroscopy of the Rhodobacter sphaeroides Reaction Center Heterodimer Mutant
Rhodobacter sphaeroides Macromolecular Substances Light-Harvesting Protein Complexes Photosynthetic Reaction Center Complex Proteins Bacterial Proteins Spectrophotometry Mutation Thermodynamics
2016/5/23
The effect of an electric field has been measured on the absorption spectrum (Stark effect) of the heterodimer mutant (M)H202L of Rhodobacter sphaeroides reaction centers, where the primary electron d...
Phosphorescence from the Primary Electron Donor in Rhodobacter sphaeroides and Rhodopseudomonas viridis Reaction Centers
Triplet state donor Phosphorescence Reaction center ( Rb. sphaeroides ) ( Rps. viridis ) BChl bacteriochlorophyll EDTA ethylene-diaminetetracetic acid EPR
2016/5/20
Phosphorescence has been detected from the dimeric primary electron donor in Rhodobacter sphaeroides and Rhodopseudomonas viridis reaction centers. For Rb. sphaeroides the emission maximum occurs at 1...
Electric Field Modulation of the Fluorescence Spectrum from Rhodobacter Sphaeroides Reaction Centers
fluorescence counterstain nuclear counterstain immunocytochemistry propidium iodide cell culture
2016/5/20
The fluorescence intensity from randomly oriented Rhodobacter ( Rb.) sphaeroides photosynthetic reaction centers at 77 K increases in an applied electric field. This is ascribed to a net reduction in ...
Stark Effect Spectroscopy of Rhodobacter Sphaeroides and Rhodopseudomonas Viridis Reaction Centers
Biophysics Photosynthesis Electron Transfer Electroabsorption Electrochromism
2016/5/20
The nature of the initially excited state of the primary electron donor or special pair has been investigated by Stark effect spectroscopy for reaction centers from the photosynthetic bacteria Rhodops...
The Effects of Rhodobacter capsulatus KCTC-2583 on Cholesterol Metabolism, Egg Production and Quality Parameters during the Late Laying Periods in Hens
Cholesterol Egg Quality Laying Hens Performance Rhodobacter capsulatus KCTC-2583
2016/5/11
An experiment was conducted to investigate the effects of dietary supplementation of Rhodobacter capsulatus KCTC-2583 on egg-yolk and serum cholesterol, egg production and quality parameters during th...
Simultaneous removal of cesium and strontium using a photosynthetic bacterium, Rhodobacter sphaeroides SSI immobilized on porous ceramic made from waste glass
Cs and Sr Removal Photosynthetic Bacteria Immobilization
2013/1/28
This study investigated practical and simultaneous removal of cesium (Cs, initial concentration of 5 mg/L) and strontium (Sr, initial concentration of 5 mg/L) using a photosynthetic bacterium, Rhodoba...