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Article
The excitation intensity dependence of singlet fission dynamics of a rubrene microcrystal studied by femtosecond transient microspectroscopy
We have investigated the excitation intensity dependence of the singlet fission in a crystalline rubrene by means of femtosecond transient absorption microspectroscopy. When a rubrene microcrystal was excited ...
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Chapter and Conference Paper
Phylogenic Analysis of DNA Sequences Around the hrpL and hrpZ Regions of Pseudomonas syringae Group Bacteria
Based on DNA homology of the hrp cluster and its neighboring regions, Pseudomonas syringae strains were classified into groups I, II, III and IV, represented by P. s. pv. phaseolicola, P. s. pv. maculicola, P. s.
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Chapter and Conference Paper
Taxonomy of Pseudomonas syringae Pathovars: Classification and Nomenclature
Recent developments in the taxonomy and nomenclature of Pseudomonas syringae pathovars are reviewed and a consensus classification within the species is outlined. Proposals for some conservative nomenclatural cha...
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Chapter
Heterogeneity of Chlorophyll D-Binding Photosystem I Reaction Centers from the Photosynthetic Prokaryote Acaryochloris Marina
It has recently been found that the quaternary structure of photosystem I (PSI) of cyanobacteria differs significantly from that of higher plants. Isolated PSI from higher plants appears as the monomeric compl...
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Article
Functional characterisation of a purified homogeneous Photosystem II core complex with high oxygen evolution capacity from spinach
The functional properties of a purified homogeneous spinach PS II-core complex with high oxygen evolution capacity (Haag et al. 1990a) were investigated in detail by measuring thermoluminescence and oscillatio...
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Article
Manganese K-edge X-ray absorption spectra of the cyclic S-states in the photosynthetic oxygen-evolving system
A set of Mn K-edge XANES spectra due to the redox states S0−S3 of the OEC were determined by constructing a highly-sensitive X-ray detection system for use with physiologically native PS II membranes capable of c...
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Chapter
High-Resolution Xanes Spectra from Manganese Ions in Spinach Photosystem II and a Proposal for the Protein Binding Sites
Photosynthetic water oxidation to dioxygen takes place in a Mn-containing protein in PSII via Kok’s intermediates, labeled S0–S4[1]. These S-states probably reflect different redox states of some or all of four M...
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Chapter
Identification of PSI and PSII Components from the Cyanobacterium, Synechococcus by N-Terminal Sequencing
Photosystem II (PSII) O2-evolving core complex is composed of D1/D2 (psbA/D), CP47/43 (psbB/C), 33 kDa extrinsic protein (woxA), cytochrome b559 (psbE/F), and several low-molecular-mass proteins both in cyanobact...
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Article
Oxygen evolving membranes and particles from the transformable cyanobacterium Synechocystis sp. PCC6803
Membranes and PS II particles retaining high rates of O2-evolving activity have been isolated from the transformable cyanobacterium, Synechocystis sp. PCC6803. Membranes from cells grown under red light exhibit r...
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Chapter
Measurement of O2 Evolution in Chloroplasts
Oxygen evolution is one of the most unique reactions among the variety of reactions involved in photosynthesis. A light quantum absorbed by light harvesting chlorophyll migrates as an exiton to the reaction ce...
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Article
Protein composition of the photosystem II core complex in genetically engineered mutants of the cyanobacterium Synechocystis sp. PCC 6803
The presence of four photosystem II proteins, CP47, CP43, D1 and D2, was monitored in mutants of Synechocystis sp. PCC 6803 that have modified or inactivated genes for CP47, CP43, or D2. It was observed that: (1)...
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Chapter
Protein composition of the photosystem II core complex in genetically engineered mutants of the cyanobacterium Synechocystis sp. PCC 6803
The presence of four photosystem II proteins, CP47, CP43, Dl and D2, was monitored in mutants of Synechocystis sp. PCC 6803 that have modified or inactivated genes for CP47, CP43, or D2. It was observed that: (1)...
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Chapter and Conference Paper
Re-Examination of Action Spectroscopy in Blue/Near-UV Light Effects
The nature of the primary photoreceptor(s) of blue light-induced reaction in plants and microorganisms is still an open question [23]. Flavoprotein(s) and carotenoprotein(s) are considered to be likely candida...
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Article
Regulation of adenylate levels in intact spinach chloroplasts
Adenylate levels and oxygen evolution in isolated intact spinach chloroplasts were measured in the presence of nitrite or oxaloacetate, which do not consume ATP during reduction, and of bicarbonate and glycera...