Remembering Otto Kandler (1920-2017) and his contributions.

abstract：:We have previously investigated the response mechanisms of photosystem II complexes from spinach to strong UV and visible irradiations (Wei et al J Photochem Photobiol B 104:118-125, 2011). In this work, we extend our study to the effects of strong light on the unusual cyanobacterium Acaryochloris marina, which is abl...

journal_title：Photosynthesis research

authors： Hou X,Raposo A,Hou HJ

更新日期：2013-11-01 00:00:00

abstract：:Free ribulose hisphosphate (RuBP(4-)) rather than its magnesium complex (RuBP-Mg(2-)) was the apparent substrate for spinach ribulose bisphosphate carboxylase/oxygenase. The apparent Km for total RuBP (pH 8.0 at 30° C) increased with increasing Mg(2+) concentrations from 11.6 μM at 13.33 mM Mg(2+) to 32.6 μM at 40.33 ...

journal_title：Photosynthesis research

authors： Roach DJ,McFadden BA

更新日期：1983-01-01 00:00:00

abstract：:Various techniques of electron microscopy (EM) such as ultrathin sectioning, freeze-fracturing, freeze-etching, negative staining and (cryo-)electron crystallography of two-dimensional crystals have been employed, since now, to obtain much of the structural information of the Photosystem II (PS II) pigment-protein com...

journal_title：Photosynthesis research

authors： Bumba L,Vácha FE

更新日期：2003-01-01 00:00:00

abstract：:The PAM-2000 portable chlorophyll fluorometer represents one of the first commercially available instruments utilizing the Pulse Amplitude Modulation (PAM) measurement principle, and has become a widely used platform for measuring chlorophyll fluorescence in a wide range of study systems. In this paper, we describe a ...

journal_title：Photosynthesis research

authors： Gray DW,Cardon ZG,Lewis LA

更新日期：2006-03-01 00:00:00

abstract：:In vitro studies of the carotenoid peridinin, which is the primary pigment from the peridinin chlorophyll-a protein (PCP) light harvesting complex, showed a strong dependence on the lifetime of the peridinin lowest singlet excited state on solvent polarity. This dependence was attributed to the presence of an intramol...

journal_title：Photosynthesis research

authors： Polívka T,Pascher T,Sundström V,Hiller RG

更新日期：2005-11-01 00:00:00

abstract：:The functional peculiarities and responses of the photosynthetic system in the flowering homoiochlorophyllous desiccation-tolerant (HDT) Haberlea rhodopensis and the non-desiccation-tolerant spinach were compared during desiccation and rehydration. Increasing rate of water loss clearly modifies the kinetic parameters ...

journal_title：Photosynthesis research

authors： Georgieva K,Maslenkova L,Peeva V,Markovska Y,Stefanov D,Tuba Z

更新日期：2005-08-01 00:00:00

abstract：:Brownian Dynamics (BD) computer simulations were used to study electrostatic interactions between turnip cytochrome f (cyt f) and spinach plastocyanin (PC). Three different spinach PC structures were studied: The X-ray crystal structure of Xue and coworkers [(1998) Protein Sci 7:2099-2105] and the NMR structure of Mus...

journal_title：Photosynthesis research

authors： Gross EL

更新日期：2007-11-01 00:00:00

abstract：:Plant terpenoids are among the most diverse group of naturally-occurring organic compounds known, and several are used in contemporary consumer products. Terpene synthase enzymes catalyze complex rearrangements of carbon skeleton precursors to yield thousands of unique chemical structures that range in size from the s...

journal_title：Photosynthesis research

authors： Davies FK,Jinkerson RE,Posewitz MC

更新日期：2015-03-01 00:00:00

abstract：:The activity of ribulose-1,5-bisphosphate carboxylase/oxygenase fromEuglena gracilis decays steadily when exposed to agents that induce oxidative modification of cysteine residues (Cu(2+), benzofuroxan, disulfides, arsenite, oxidized ascorbate). Inactivation takes place with a concomitant loss of cysteine sulfhydryl g...

journal_title：Photosynthesis research

authors： García-Ferris C,Moreno J

更新日期：1993-01-01 00:00:00

abstract：:Light energy harvested by the pigments in Photosystem I (PSI) is used for charge separation in the reaction center (RC), after which the positive charge resides on a special chlorophyll dimer called P700. In studies on the PSI trapping kinetics, P700(+) is usually chemically reduced to re-open the RCs. So far, the inf...

journal_title：Photosynthesis research

authors： Wientjes E,Croce R

更新日期：2012-03-01 00:00:00

abstract：:Peridinin-chlorophyll-protein (PCP), containing differently absorbing chlorophyll derivatives, are good models with which to study energy transfer among monomeric chlorophylls (Chls) by both bulk and single-molecule spectroscopy. They can be obtained by reconstituting the N-terminal domain of the protein (N-PCP) with ...

journal_title：Photosynthesis research

authors： Brotosudarmo TH,Mackowski S,Hofmann E,Hiller RG,Bräuchle C,Scheer H

更新日期：2008-02-01 00:00:00

abstract：:It had been proposed that a loop, typically containing 26 or 27 amino acids, which is only present in monomeric, ferredoxin-dependent, "plant-type" glutamate synthases and is absent from the catalytic α-subunits of both NADPH-dependent, heterodimeric glutamate synthases found in non-photosynthetic bacteria and NADH-de...

journal_title：Photosynthesis research

authors： Tripathy JN,Hirasawa M,Sutton RB,Dasgupta A,Vaidyanathan N,Zabet-Moghaddam M,Florencio FJ,Srivastava AP,Knaff DB

更新日期：2015-02-01 00:00:00

abstract：:Recent magnetic-resonance work on YŻ suggests that this species exhibits considerable motional flexibility in its functional site and that its phenol oxygen is not involved in a well-ordered hydrogen-bond interaction (Tang et al., submitted; Tommos et al., in press). Both of these observations are inconsistent with a ...

journal_title：Photosynthesis research

authors： Hoganson CW,Lydakis-Simantiris N,Tang XS,Tommos C,Warncke K,Babcock GT,Diner BA,McCracken J,Styring S

更新日期：1995-11-01 00:00:00

abstract：:Acaryochloris marina is a unique cyanobacterium that contains chlorophyll (Chl) d as a major pigment. Because Chl d has smaller excitation energy than Chl a used in ordinary photosynthetic organisms, the energetics of the photosystems of A. marina have been the subject of interest. It was previously shown that the red...

journal_title：Photosynthesis research

authors： Sano Y,Endo K,Tomo T,Noguchi T

更新日期：2015-08-01 00:00:00

abstract：:Four Indica and five Japonica varieties of rice (Oryza sativa L.) were examined to elucidate their differences in photosynthetic activity and dark respiratory rate as influenced by leaf nitrogen levels and temperatures. The photosynthetic rates of single leaf showed correlations with total nitrogen and soluble protein...

journal_title：Photosynthesis research

authors： Weng JH,Chen CY

更新日期：1987-01-01 00:00:00

abstract：:Chlorosomes, the light-harvesting apparatus of green bacteria, are a unique antenna system, in which pigments are organized in aggregates rather than associated with proteins. Isolated chlorosomes from the green sulphur bacterium Chlorobium tepidum contain 10 surface-exposed proteins. Treatment of chlorosomes from Chl...

journal_title：Photosynthesis research

authors： Milks KJ,Danielsen M,Persson S,Jensen ON,Cox RP,Miller M

更新日期：2005-11-01 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：:This minireview summarizes the current state of knowledge concerning the role of Cl(-) in the oxygen-evolving complex (OEC) of photosystem II (PSII). The model that proposes that Cl(-) is a Mn ligand is discussed in light of more recent work. Studies of Cl(-) specificity, stoichiometry, kinetics, and retention by extr...

journal_title：Photosynthesis research

authors： Popelková H,Yocum CF

更新日期：2007-07-01 00:00:00

abstract：:This review describes the progress in our understanding of the structure of the Mn complex in Photosystem II over the last two decades. Emphasis is on the research from our laboratory, especially the results from X-ray absorption spectroscopy, low temperature electron paramagnetic resonance and electron spin echo enve...

journal_title：Photosynthesis research

authors： Klein MP,Sauer K,Yachandra VK

更新日期：1993-01-01 00:00:00

abstract：:The relationship between the redox state of P700, the primary donor of PS I, monitored using absorbance changes at 830 nm and photochemical energy storage in PS I reaction centers assayed with the photoacoustic method (PA) was studied in isolated PS I submembrane particles aspirated onto nitrocellulose filters. Severa...

journal_title：Photosynthesis research

authors： Bukhov NG,Rajagopal S,Carpentier R

更新日期：2002-01-01 00:00:00

abstract：:The storage of light energy in chemical form through photosynthesis is the key process underlying life as we know it. To utilize photosynthates efficiently as structural materials or as fuel to drive endergonic processes, they have to be transported from where they are produced to where they are needed. In this primer...

journal_title：Photosynthesis research

authors： Knoblauch M,Peters WS

更新日期：2013-11-01 00:00:00

abstract：:The authors present a study of the fluorescence and absorbance transients occurring in whole cells of purple nonsulfur bacterium Rhodobacter sphaeroides on the millisecond timescale under pulsed actinic illumination. The fluorescence induction curve is interpreted in terms of combination of effects of redox changes in...

journal_title：Photosynthesis research

authors： Bína D,Litvín R,Vácha F

更新日期：2010-08-01 00:00:00

abstract：:Cuttings of grapevine (Vitis vinifera L. cv. Chardonnay) were dark-forced at least three weeks. Pigment contents, 77 K fluorescence emission, excitation spectra of the leaves, petioles, stems, transmission electron micrographs of the etioplasts from leaves, the chlorenchyma tissues of the stems were analysed. The dark...

journal_title：Photosynthesis research

authors： Böddi B,Bòka K,Sundqvist C

更新日期：2004-01-01 00:00:00

abstract：:To determine the fluorescence properties of cyanobacterial Photosystem I (PS I) in relatively intact systems, fluorescence emission from 20 to 295 K and polarization at 77 K have been measured from phycobilisomes-less thylakoids of Synechocystis sp. PCC 6803 and a mutant strain lacking Photosystem II (PS II). At 295 K...

journal_title：Photosynthesis research

authors： Wittmershaus BP,Woolf VM,Vermaas WF

更新日期：1992-02-01 00:00:00

abstract：:To understand design principles for assembling photosynthetic biohybrids that incorporate precisely-controlled sites for electron injection into redox enzyme cofactor arrays, we investigated the influence of chirality in assembly of the photosensitizer ruthenium(II)bis(2,2'-bipyridine)(4-bromomethyl-4'-methyl-2,2'-bip...

journal_title：Photosynthesis research

authors： Ponomarenko NS,Kokhan O,Pokkuluri PR,Mulfort KL,Tiede DM

更新日期：2020-02-01 00:00:00

abstract：:The Photosystem I reaction centre protein CP1, isolated from barley using polyacrylamide gel electrophoresis showed an EPR (Electron Paramgnetic Resonance) spectrum with the polarisation pattern AEEAAE, typical of the primary donor triplet state (3)P700, created via radical pair formation and recombination. (3)P700 co...

journal_title：Photosynthesis research

authors： Searle GF,Schaafsma TJ

更新日期：1992-06-01 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：:Marine macroalgae possess a range of mechanisms to increase the availability of CO2 for fixation by ribulose-1,5-bisphosphate carboxylase/oxygenase. Of these, possession of a periplasmic or external carbonic anhydrase and the ability to use bicarbonate ions is widely distributed. The mechanisms of carbon acquisition w...

journal_title：Photosynthesis research

authors： Ruiz-Nieto M,Fernández JA,Niell FX,Carmona R

更新日期：2014-09-01 00:00:00

abstract：:While interest in photosynthetic thermal acclimation has been stimulated by climate warming, comparing results across studies requires consistent terminology. We identify five types of photosynthetic adjustments in warming experiments: photosynthesis as measured at the high growth temperature, the growth temperature, ...

journal_title：Photosynthesis research

authors： Way DA,Yamori W

更新日期：2014-02-01 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