In one era and out the other.

abstract：:Plants are exposed to a temporally and spatially heterogeneous environment, and photosynthesis is well adapted to these fluctuations. Understanding of the complex, non-linear dynamics of photosynthesis in fluctuating light requires novel-modeling approaches that involve not only the primary light and dark biochemical ...

journal_title：Photosynthesis research

authors： Nedbal L,Cervený J,Rascher U,Schmidt H

更新日期：2007-07-01 00:00:00

abstract：:Effect of water-soluble and stable sucrose-bound iron oxyhydroxide nanoparticles [Fe[III] sucrose complex (FSC)] on the efficiency of electron transport in the photosystem II membranes was studied. FSC significantly increases (by a factor 1.5) the rate of light-induced oxygen evolution in the presence of alternative e...

journal_title：Photosynthesis research

authors： Semin BК,Davletshina LN,Rubin AB

更新日期：2019-10-01 00:00:00

abstract：:Heliobacteria are a recently discovered group of anoxygenic phototrophic bacteria, first described in 1983. Heliobacteria contain bacteriochlorophyll g, a pigment unique to species of this group, and synthesize the simplest photosynthetic complexes of all known phototrophs. Also, unlike all other phototrophs, heliobac...

journal_title：Photosynthesis research

authors： Asao M,Madigan MT

更新日期：2010-06-01 00:00:00

abstract：:The quenching of variable fluorescence yield (qN) and the quenching of dark level fluorescence yield (q0) directly atributable to high-energy-state fluorescence quenching (qE) was studied to distinguish between energy dissipation in the antenna and light harvesting complexes (antenna quenching) and energy dissipation ...

journal_title：Photosynthesis research

authors： Rees D,Noctor GD,Horton P

更新日期：1990-09-01 00:00:00

abstract：:The crystallization of a given protein is a hard task being even more complicated when the protein shows a hydrophobic behavior. In the case of photosynthetic proteins, the difficulty of the experiments increased due to the high light sensitivity. Aqueous solutions of photosystem II core complex (OEC PSII) of Pisum sa...

journal_title：Photosynthesis research

authors： Kutá Smatanová I,Gavira JA,Rezácová P,Vácha F,García-Ruiz JM

更新日期：2006-12-01 00:00:00

abstract：:Treatment of lyophilized thylakoid membranes of the thermophilic cyanobacterium Synechococcus sp. with n-heptane for 6 h resulted in marked changes in the pattern of photosystem I reaction center complexes resolved by sodium dodecylsulfate-polyacrylamide gel electrophoresis. CP1-a, which consists of two large subunits...

journal_title：Photosynthesis research

authors： Takahashi Y,Katoh S

更新日期：1987-01-01 00:00:00

abstract：:Oxygen evolving photosystem II particles were exposed to 100 and 250 W m(-2) white light at 20°C under aerobic, anaerobic and strongly reducing (presence of dithionite) conditions. Three types of photoinactivation processes with different kinetics could be distinguished: (1) The fast process which occurs under strongl...

journal_title：Photosynthesis research

authors： Setlík I,Allakhverdiev SI,Nedbal L,Setlíková E,Klimov VV

更新日期：1990-01-01 00:00:00

abstract：:Photoacclimation by strains of Haslea "blue" diatom species H. ostrearia and H. silbo sp. nov. ined. was investigated with rapid light curves and induction-recovery curves using fast repetition rate fluorescence. Cultures were grown to exponential phase under 50 µmol m-2 s-1 photosynthetic available radiation (PAR) an...

journal_title：Photosynthesis research

authors： Perkins R,Williamson C,Lavaud J,Mouget JL,Campbell DA

更新日期：2018-09-01 00:00:00

abstract：:The dependence of chlorosome development on bacteriochlorophyll (BChl)c synthesis was studied with the phototrophic green bacteriumChloroflexus aurantiacus. By selecting defined culture conditions, three possibilities could be identified. Upon addition of 5-aminolevulinic acid, cells of resting cultures increased thei...

journal_title：Photosynthesis research

authors： Foidl M,Golecki JR,Oelze J

更新日期：1994-07-01 00:00:00

abstract：:Bioenergetic properties of thylakoids from plants submitted to a water stress stress (watering stopped for 6-15 days) have been measured in two lupin genotypes characterized as resistant or susceptible to drought. This energy coupling was assessed by flow-force relationships relating the phosphorylation rate to the ma...

journal_title：Photosynthesis research

authors： Meyer S,Phung Nhu Hung S,Trémolières A,de Kouchkovsky Y

更新日期：1992-05-01 00:00:00

abstract：:The kinetic and spectroscopic properties of the secondary electron acceptor A1 were determined by flash absorption spectroscopy at room and cryogenic temperatures in a Photosystem I (PS I) core devoid of the iron-sulfur clusters FX, FB and FA. It was shown earlier (Warren, P.V., Golbeck, J.H. and Warden, J.T. (1993) B...

journal_title：Photosynthesis research

authors： Brettel K,Golbeck JH

更新日期：1995-09-01 00:00:00

abstract：:Recycling of carbon by the photorespiratory pathway involves enzymatic steps in the chloroplast, mitochondria, and peroxisomes. Most of these reactions are essential for plants growing under ambient CO(2) concentrations. However, some disruptions of photorespiratory metabolism cause subtle phenotypes in plants grown i...

journal_title：Photosynthesis research

authors： Cousins AB,Walker BJ,Pracharoenwattana I,Smith SM,Badger MR

更新日期：2011-09-01 00:00:00

abstract：:In order to evaluate genotypic variation, we measured leaf photosynthetic rate (Pn) and its associated factors for the rice diversity research set of germplasm (RDRS) selected from the Genebank in National Institute of Agrobiological Sciences (NIAS). Pn showed large genotypic variation from 11.9 to 32.1 micromol m(-2 ...

journal_title：Photosynthesis research

authors： Kanemura T,Homma K,Ohsumi A,Shiraiwa T,Horie T

更新日期：2007-10-01 00:00:00

abstract：:Photoinhibition of Photosystem II (PSII) in lincomycin-treated leaves begins as a first-order reaction, but fluorescence measurements have suggested that after prolonged illumination, the number of active PSII centres stabilizes to 15-20% of control. The stabilization has been interpreted to indicate that photoinhibit...

journal_title：Photosynthesis research

authors： Sarvikas P,Tyystjärvi T,Tyystjärvi E

更新日期：2010-01-01 00:00:00

abstract：:The effect of acetate metabolism on the light energy distribution between the two photosystems, on the PS II/PS I stoichiometry and on the expression of psbA and psbB and psaA genes was investigated in the green alga, Chlamydobotrys stellata during autotrophic (CO(2)), mixotrophic (CO(2) plus acetate) and photoheterot...

journal_title：Photosynthesis research

authors： Kovács L,Wiessner W,Kis M,Nagy F,Mende D,Demeter S

更新日期：2000-01-01 00:00:00

abstract：:The fluorescence kinetics of both intact needles and isolated chloroplasts of summer active and winter stressed Pinus sylvestris were measured at both room temperature and 77 K. It was confirmed that winter stress inhibited the photochemical capacity of photosystem II but also that winter stress caused the strongest i...

journal_title：Photosynthesis research

authors： Oquist G,Ogren E

更新日期：1985-01-01 00:00:00

abstract：:Illumination of the dark-incubated cells of Synechocystis PCC6803 caused recovery of both respiratory activity of oxygen uptake and PS I-cyclic electron flow, which was monitored by the dark reduction of P700(+) in the presence of DCMU after a 50 ms pulse light (MT) under background far-red light, but the effects were...

journal_title：Photosynthesis research

authors： Mi H,Deng Y,Tanaka Y,Hibino T,Takabe T

更新日期：2001-01-01 00:00:00

abstract：:It has been known for some time that bicarbonate reverses the inhibition, by formate under HCO3 (-)-depletion conditions, of electron transport in thylakoid membranes. It has been shown that the major effect is on the electron acceptor side of photosystem II, at the site of plastoquinone reduction. After presenting a ...

journal_title：Photosynthesis research

authors： Blubaugh DJ,Govindjee

更新日期：1988-01-01 00:00:00

abstract：:The Mg-dechelating activity of extracts of Chenopodium album (goosefoot) was investigated using an artificial substrate, chlorophyllin a. The activity was measured spectrophotometrically by the formation of a reaction product, pheophorbin a (Mg-free chlorin), after release of the central Mg. The Mg-releasing protein w...

journal_title：Photosynthesis research

authors： Suzuki T,Shioi Y

更新日期：2002-01-01 00:00:00

abstract：:A peptide ranging from residue 229 to 240 of the D1 protein of Photosystem (PS) II was synthesized and lanthanides were used as candidates of calcium. Fluorescence and FTIR spectroscopy were used to test the conformational adaptation after lanthanide additions. Fluorescence spectroscopy showed that the synthetic pepti...

journal_title：Photosynthesis research

authors： Wang J,Zhang LX,Liu ZL,Liang HG,Yang L,Hu XY

更新日期：1995-06-01 00:00:00

abstract：:A simple approach to determine CO2/O2 specificity factor (τ) of ribulose 1,5-bisphosphate carboxylase/oxygenase is described. The assay measures the amount of CO2 fixation at varying [CO2]/[O2] ratios after complete consumption of ribulose 1,5-bisphosphate (RuBP). Carbon dioxide fixation catalyzed by the carboxylase w...

journal_title：Photosynthesis research

authors： Kostov RV,McFadden BA

更新日期：1995-01-01 00:00:00

abstract：:Exposure of the red alga Porphyra perforata or leaves of Phytolacca americana and Echinodorus sp. to white light equivalent to full sunlight for short periods induced large decreases of variable fluorescence measured at 695 nm at 77K. This change was not produced by photoinhibition but rather appeared to result from a...

journal_title：Photosynthesis research

authors： Fork DC,Bose S,Herbert SK

更新日期：1986-01-01 00:00:00

abstract：:The current status of research on the structure, regulation, mechanism and importance of Rubisco activase is reviewed. The activase is now recognized to be a member of the AAA(+) family, whose members participate in macromolecular complexes that perform diverse chaperone-like functions. The conserved nucleotide-bindin...

journal_title：Photosynthesis research

authors： Portis AR Jr

更新日期：2003-01-01 00:00:00

abstract：:Redox dependent protein phosphorylation in chloroplast thylakoids regulates distribution of excitation energy between the two photosystems of photosynthesis, PS I and PS II. Several thylakoid phosphoproteins are known to be phosphorylated on N-terminal threonine residues exposed to the chloroplast stroma. Phosphorylat...

journal_title：Photosynthesis research

authors： Forsberg J,Allen JF

更新日期：2001-01-01 00:00:00

abstract：:There is currently a renewed interest in developing microalgae as a source of renewable energy and fuel. Microalgae hold great potential as a source of biomass for the production of energy and fungible liquid transportation fuels. However, the technologies required for large-scale cultivation, processing, and conversi...

journal_title：Photosynthesis research

authors： McGinn PJ,Dickinson KE,Bhatti S,Frigon JC,Guiot SR,O'Leary SJ

更新日期：2011-09-01 00:00:00

abstract：:With this Tribute, we remember and honor Thomas John (Tom) Wydrzynski. Tom was a highly innovative, independent and committed researcher, who had, early in his career, defined his life-long research goal. He was committed to understand how Photosystem II produces molecular oxygen from water, using the energy of sunlig...

journal_title：Photosynthesis research

authors： Conlan B,Govindjee,Messinger J

更新日期：2019-06-01 00:00:00

abstract：:The chlorophyll content is an important experimental parameter in agronomy and plant biology research. In this report, we explore the feasibility of determining total concentration of extracts containing chlorophyll a and chlorophyll b by chlorophyll fluorescence. We found that an excitation at 457 nm results in the s...

journal_title：Photosynthesis research

authors： Lamb JJ,Eaton-Rye JJ,Hohmann-Marriott MF

更新日期：2012-10-01 00:00:00

abstract：:Triplet state electron paramagnetic resonance (EPR) experiments have been carried out at X-band on Rb. sphaeroides R-26 reaction centers that have been reconstituted with the carotenoid, spheroidene, and exchanged with 13(2)-OH-Zn-bacteriochlorophyll a and [3-vinyl]-13(2)-OH-bacteriochlorophyll a at the monomeric, 'ac...

journal_title：Photosynthesis research

authors： Frank HA,Chynwat V,Hartwich G,Meyer M,Katheder I,Scheer H

更新日期：1993-09-01 00:00:00

abstract：:This study was conducted to more clearly define the physiological effects of PS II herbicides on chloroplast thylakoid membrane activity and composition. Barley (Hordeum vulgare L. cv Boone) was grown in hydroponic culture at 20°C in a growth chamber with a light intensity of 500 μmole photons m(-2) s(-1). Atrazine (2...

journal_title：Photosynthesis research

authors： De la Torre WR,Burkey KO

更新日期：1992-04-01 00:00:00

abstract：:Biogenesis of the photosynthetic apparatus in greening etiolated leaves of barley (Hordeum vulgare L) was investigated by an approach permitting investigation of this process under conditions that minimize differences in plastid development. Distributions of barley leaves greening for 24 h as to chlorophyll content an...

journal_title：Photosynthesis research

authors： Radyuk MS,Homan NM

更新日期：2002-01-01 00:00:00