Artificial inhibitory effects of sulfite on photosystem II activity measured by oxygen evolution in chloroplasts.

abstract：:Optically detected magnetic resonance of chlorosome-containing membranes from the green filamentous bacterium Chloroflexus aurantiacus has been performed both by fluorescence and absorption detection. Triplet states localized in the chlorosomes and in the B808-866 complex have been characterized. After chemical reduct...

journal_title：Photosynthesis research

authors： Bordignon E,Scarzello M,Agostini G,Giacometti G,Vianelli A,Vannini C,Carbonera D

更新日期：2002-01-01 00:00:00

abstract：:The availability of a complete genome database for the cyanobacterium Synechocystis sp. PCC6803 (glucose-tolerant strain) has raised expectations that this organism would become a reference strain for work aimed at understanding the CO(2)-concentrating mechanism (CCM) in cyanobacteria. However, the amount of physiolog...

journal_title：Photosynthesis research

authors： Benschop JJ,Badger MR,Dean Price G

更新日期：2003-01-01 00:00:00

abstract：:Recently, a number of techniques, some of them relatively new and many often used in combination, have given a clearer picture of the dynamic role of electron transport in Photosystem I of photosynthesis and of coupled cyclic photophosphorylation. For example, the photoacoustic technique has detected cyclic electron t...

journal_title：Photosynthesis research

authors： Fork DC,Herbert SK

更新日期：1993-06-01 00:00:00

abstract：:Chlorophyll f is a photosynthetic pigment that was discovered in 2010. In this study, we present investigations on spectral and dynamic characteristics of singlet-excited and triplet states of Chl f with the application of ultrafast time-resolved absorption and fluorescence spectroscopies. The pigment was studied at r...

journal_title：Photosynthesis research

authors： Niedzwiedzki DM,Liu H,Chen M,Blankenship RE

更新日期：2014-07-01 00:00:00

abstract：:The electronic structure of a Mn(II) ion bound to highly oxidizing reaction centers of Rhodobacter sphaeroides was studied in a mutant modified to possess a metal binding site at a location comparable to the Mn4Ca cluster of photosystem II. The Mn-binding site of the previously described mutant, M2, contains three car...

journal_title：Photosynthesis research

authors： Tufts AA,Flores M,Olson TL,Williams JC,Allen JP

更新日期：2014-05-01 00:00:00

abstract：:The origin of the extraordinary high redox potential of P680, the primary electron donor of Photosystem II, is still unknown. Photochemically induced dynamic nuclear polarisation (photo-CIDNP) 13C magic-angle spinning (MAS) NMR is a powerful method to study primary electron donors. In order to reveal the electronic st...

journal_title：Photosynthesis research

authors： Diller A,Alia,Roy E,Gast P,van Gorkom HJ,Zaanen J,de Groot HJ,Glaubitz C,Matysik J

更新日期：2005-06-01 00:00:00

abstract：:This article gives an historical overview of our group's research on various metabolite translocators of chloroplasts, such as the translocators for phosphorylated intermediates of the Calvin-Benson cycle and of glycolysis, of ADP and ATP, of dicarboxylates, of pyruvate and of hexoses; how it began and where it led to...

journal_title：Photosynthesis research

authors： Heldt HW

更新日期：2002-01-01 00:00:00

abstract：:The D1/D2 heterodimer core is the heart of the photosystem II reaction center. A characteristic feature of this heterodimer is the differentially rapid, light-dependent degradation of the D1 protein. The D1 protein is possibly the most researched photosynthetic polypeptide, with aspects of structure-function, gene, me...

journal_title：Photosynthesis research

authors： Edelman M,Mattoo AK

更新日期：2008-10-01 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：:A non-competitive enzyme-linked immunosorbent assay (ELISA) which enables detection of as little as 0.1 ng cytochrome f in leaf extracts has been developed. No evidence for specific or non-specific interference by proteins other than cytochrome f was found. The assay was applied to a comparative study of age-related c...

journal_title：Photosynthesis research

authors： Davies TG,Thomas H,Rogers LJ

更新日期：1990-04-01 00:00:00

abstract：:After a brief prologue on Otto Kandler's life, we describe briefly his pioneering work on photosynthesis (photophosphorylation and the carbon cycle) and his key participation in the discovery of the concept of three forms of life (Archaea, Prokarya, and Eukarya). With Otto Kandler's passing, both the international pho...

journal_title：Photosynthesis research

authors： Govindjee,Tanner W

更新日期：2018-09-01 00:00:00

abstract：:The nucleotide sequences of the genes coding for the subunits of the Photosystem I (PS I) core, PsaA and PsaB were determined for the marine prokaryotic oxyphototrophs Prochlorococcus sp. MED4 (CCMP1378), P. marinus SS120 (CCMP1375) and Synechococcus sp. WH7803. Divergence of these sequences from those of both freshwa...

journal_title：Photosynthesis research

authors： van der Staay GW,Moon-van der Staay SY,Garczarek L,Partensky F

更新日期：2000-01-01 00:00:00

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：:A protocol for the isolation of functional thylakoids from Arabidopsis thaliana leaves was developed. The critical factor in obtaining active, coupled and stable preparation is the inclusion of EDTA and EGTA in the grinding buffer. Preparations were characterized with respect to the whole or partial electron transport...

journal_title：Photosynthesis research

authors： Casazza AP,Tarantino D,Soave C

更新日期：2001-01-01 00:00:00

abstract：:Two-component regulatory systems that respond to changes in redox potential have recently been discovered in bacteria. 'Redox sensors' are defined as electron carriers which initiate control of gene expression upon oxidation or reduction. 'Redox response regulators' are defined as DNA-binding proteins which modify gen...

journal_title：Photosynthesis research

authors： Allen JF

更新日期：1993-05-01 00:00:00

abstract：:An immunological method for quantitative determination of photosynthetic fructose-1,6-bisphosphatase in crude extracts of leaves is proposed. It is based on the ELISA technique, and offers two modifications. A non-competitive technique has a higher sensitivity and is the right option for samples of low fructose-1,6-bi...

journal_title：Photosynthesis research

authors： Hermoso R,Chueca A,Lazaro JJ,Lopez-Gorge J

更新日期：1987-01-01 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：: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：:In recent years the enzymes of the C3 photosynthetic carbon reduction (PCR) cycle have been studied using the techniques of molecular biology. In this review we discuss the primary protein sequences and structural predictions that have been made for a number of these enzymes, which, with the input of crystallographic ...

journal_title：Photosynthesis research

authors： Raines CA,Lloyd JC,Dyer TA

更新日期：1991-01-01 00:00:00

abstract：:A correlated influence of cation concentration and excitation energy level on PS II Abbreviations: AMPD = 2-amino-2-methyl-1,3-propanediol; DCIP = 2-6 dichlorophenol indophenol; DCIPH2 = DCIP in reduced state; DCIPr = rate of DCIP-reduction; DCMU = 3-(3,4 dichlorophenyl)1-1 dimethyl-urea; Fv = variable fluorescence; F...

journal_title：Photosynthesis research

authors： Berkaloff C,Duval JC

更新日期：1980-06-01 00:00:00

abstract：:Due to various activities associated with nuclear industry, uranium is migrated to aquatic environments like groundwater, ponds or oceans. Uranium forms stable carbonate complexes in the oxic waters of pH 7-10 which results in a high degree of uranium mobility. Microorganisms employ various mechanisms which significan...

journal_title：Photosynthesis research

authors： Acharya C,Apte SK

更新日期：2013-11-01 00:00:00

abstract：:Pulse modulated fluorescence has increasingly been used as an ecological tool to examine changes in the vertical distribution of microphytobenthic cells within the upper layers of estuarine sediments (most often using the minimum fluorescence yield F(o)) as well as to indicate the health of the community (using the ma...

journal_title：Photosynthesis research

authors： Consalvey M,Jesus B,Perkins RG,Brotas V,Underwood GJ,Paterson DM

更新日期：2004-01-01 00:00:00

abstract：:The temperature dependence of the partial reactions leading to turn-over of the UQH2:cyt c 2 oxidoreductase of Rhodobacter sphaeroides have been studied. The redox properties of the cytochrome components show a weak temperature dependence over the range 280-330 K, with coefficients of about 1 m V per degree; our resul...

journal_title：Photosynthesis research

authors： Crofts AR,Wang Z

更新日期：1989-01-01 00:00:00

abstract：:Light activation of phosphoenolpyruvate carboxylase from the leaves of the C4 plant Setaria verticillata (L.) is more pronounced at low CO2 levels. The 2-fold activation observed at physiological ambient CO2 becomes 3.64-fold at 5 μL/L and completely abolished above 700 μL/L. When the stomata close under the influence...

journal_title：Photosynthesis research

authors： Samaras Y,Manetas Y

更新日期：1988-11-01 00:00:00

abstract：:In this paper we compared the pigment composition, photochemical activity, chloroplast ultrastructure, thylakoid membrane polypeptide composition and ribosomal content of wild-type and seven light-sensitive mutants of Chlamydomonas reinhardii.All the mutants had low chlorophyll and carotenoid content compared to wild-...

journal_title：Photosynthesis research

authors： Gyurján I,Nagy AH,Frdős G,Paless G,Keresztes A,Kovacs P,Szigeti Z

更新日期：1982-01-01 00:00:00

abstract：:Characteristics of primary phases in chlorophyll a fluorescence transients based on room temperature in vivo measurement with a Plant Productivity Fluorometer (Brancker Model SF-10) can be greatly facilitated by coupling the instrument to a fast data acquisition system. The SF-10 was linked to a Multitech Industrial C...

journal_title：Photosynthesis research

authors： Norrish R,Kriedemann PE,Wiskich JT

更新日期：1983-01-01 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：:Far-red light photoacclimation (FaRLiP) is a mechanism that allows some cyanobacteria to utilize far-red light (FRL) for oxygenic photosynthesis. During FaRLiP, cyanobacteria remodel photosystem (PS) I, PS II, and phycobilisomes while synthesizing Chl d, Chl f, and far-red-absorbing phycobiliproteins, and these change...

journal_title：Photosynthesis research

authors： Ho MY,Gan F,Shen G,Zhao C,Bryant DA

更新日期：2017-02-01 00:00:00

abstract：:Bill Arnold's concept of photosynthesis as a solid state, as opposed to solution, phenomenon led him to an amazing series of fundamental discoveries. ...

journal_title：Photosynthesis research

authors： Mauzerall D

更新日期：1996-05-01 00:00:00

abstract：:The afterglow (AG) band of thermoluminescence (TL) has been investigated in leaves of Arabidopsis thaliana. Excitation of dark-adapted leaves with two saturating single turn-over flashes induced the appearance of a complex TL glow curve that could be well simulated by three components: the two components, B1 and B2, o...

journal_title：Photosynthesis research

authors： Roncel M,Ortega JM

更新日期：2005-06-01 00:00:00