An immunological method for quantitative determination of photosynthetic fructose-1,6-bisphosphatase in leaf crude extracts.

abstract：:The photoenzymatic cycle of the light-dependent NADPH:protochlorophyllide oxidoreductase (LPOR) was investigated in situ during early stages of development of bean leaves under light-dark cycles (LDC). In the experimental system used in this study, prolamellar bodies developed during night periods and disappeared duri...

journal_title：Photosynthesis research

authors： Schoefs B,Franck F

更新日期：2008-04-01 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：:This paper is concerned with relating thermoluminescence to the total free-energy change, ΣG, involved in detrapping a particular electron-hole pair as a photosynthetic sample is warmed from an initial low temperature. It extends a mathematical discussion of four possible mechanisms introduced in an earlier paper [DeV...

journal_title：Photosynthesis research

authors： Devault D,Govindjee

更新日期：1990-05-01 00:00:00

abstract：:To investigate the impact of iron deficiency on bioenergetic pathways in Chlamydomonas, we compared growth rates, iron content, and photosynthetic parameters systematically in acetate versus CO(2)-grown cells. Acetate-grown cells have, predictably (2-fold) greater abundance of respiration components but also, counter-...

journal_title：Photosynthesis research

authors： Terauchi AM,Peers G,Kobayashi MC,Niyogi KK,Merchant SS

更新日期：2010-07-01 00:00:00

abstract：:In many ways, the 1963 conference at Airlie House was an unusual event. The meeting convincingly demonstrated that photosynthetic research, previously reported mostly at conferences of botany and/or plant physiology, had become an independent and important field of biological research. New techniques had been develope...

journal_title：Photosynthesis research

authors： Rurainski HJ

更新日期：2004-01-01 00:00:00

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：:Several models have been proposed to interpret the mechanism of proton-pumping associated with the electron transfer reactions in the cytochrome b/f complex. Energetics considerations suggest that the proton pump is coupled to the oxidation of cytochrome b by plastoquinone. Experiments performed in living cells under ...

journal_title：Photosynthesis research

authors： Joliot P,Joliot A

更新日期：1986-01-01 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：:In the leaf succulent Asclepiad Hoya carnosa (L.) R. Br., CAM photosynthesis occurred under well-watered conditions, as characterized by diurnal gas exchange and changes in titratable acidity. Following 10-12 days of severe water stress, the plants shifted from CAM to a modified CAM-idling mode of metabolism. CAM-idli...

journal_title：Photosynthesis research

authors： Rayder L,Ting IP

更新日期：1983-09-01 00:00:00

abstract：:The effect of leaf water potential (Ψ) on net CO2 assimilation rate (A), stomatal conductance (g), transpiration (E) and water-use efficiency (WUE) was measured for three cultivars of cacao (Theobroma cacao L.) seedlings during three recurrent drought cycles. Net assimilation varied greatly at high water potentials, b...

journal_title：Photosynthesis research

authors： Joly RJ,Hahn DT

更新日期：1989-09-01 00:00:00

abstract：:The rate and extent of light activation of PEPC may be used as another criterion to distinguish C3 and C4 plants. Light stimulated phosphoenolypyruvate carboxylase (PEPC) in leaf discs of C4 plants, the activity being three times greater than that in the dark but stimulation of PEPC was limited about 30% over the dark...

journal_title：Photosynthesis research

authors： Rajagopalan AV,Devi MT,Raghavendra AS

更新日期：1993-10-01 00:00:00

abstract：:The effect of temperatures between 15 and 50°C on the light utilization efficiency of leaf net photosynthesis was studied in two C4 grasses and two C3 legumes. In the legumes, light utilization efficiency (μ mol of CO2 fixed per μ Einstein of incident photosynthetic quantum flux) declined linearly with temperature bet...

journal_title：Photosynthesis research

authors： Ludlow MM

更新日期：1981-12-01 00:00:00

abstract：:Solubilisation of thylakoid membranes from young leaves of Pisum sativum in the presence of Triton X-100 resulted in an almost complete loss of quenching of light-harvesting chlorophyll-protein (LHCP) fluorescence, as measured at 77°K. There were concomitant changes in the kinetics of light-saturation curves of electr...

journal_title：Photosynthesis research

authors： Murphy DJ

更新日期：1986-01-01 00:00:00

abstract：:Macroalgae occur in the marine benthos from the upper intertidal to depths of more than 200 m, contributing up to 1 Pg C per year to global primary productivity. Freshwater macroalgae are mainly green (Chlorophyta) with some red (Rhodophyta) and a small contribution of brown (Phaeophyceae) algae, while in the ocean al...

journal_title：Photosynthesis research

authors： Raven JA,Hurd CL

更新日期：2012-09-01 00:00:00

abstract：:This article provides a glimpse into the dawning of research on chlorophyll-protein complexes and a brief recollection of the path that led us to the identification of the photosystem II reaction center, i.e., the polypeptides that carry the site of primary charge separation in oxygenic photosynthesis. A preliminary v...

journal_title：Photosynthesis research

authors： Satoh K

更新日期：2008-10-01 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：:We present a theoretical study of excitation dynamics in the chlorosome antenna complex of green photosynthetic bacteria based on a recently proposed model for the molecular assembly. Our model for the excitation energy transfer (EET) throughout the antenna combines a stochastic time propagation of the excitonic wave ...

journal_title：Photosynthesis research

authors： Fujita T,Huh J,Saikin SK,Brookes JC,Aspuru-Guzik A

更新日期：2014-06-01 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：:Two species-invariant tryptophan residues at positions 109 and 250 of tobacco Rubisco activase were identified by site-directed mutagenesis as being responsible for the increase in intrinsic fluorescence upon addition of ATP, which has been previously attributed to increased self-association. Substitution of W109, whi...

journal_title：Photosynthesis research

authors： Wang D,Portis AR Jr

更新日期：2006-05-01 00:00:00

abstract：:Effect of chemical oxidation by ferricyanide on bacteriochlorophyll a (BChl a) in the Fenna-Matthews-Olson protein (FMO) was studied using absorbance and fluorescence spectroscopy at ambient and cryogenic temperatures. Partially selective oxidation of pigments bound to the antenna complex was achieved and the probable...

journal_title：Photosynthesis research

authors： Bina D,Blankenship RE

更新日期：2013-09-01 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：:Photosynthesis powers our planet and is a source of inspiration for developing artificial constructs mimicking many aspects of the natural energy transducing process. In the complex machinery of photosystem II (PSII), the redox activity of the tyrosine Z (Tyrz) hydrogen-bonded to histidine 190 (His190) is essential fo...

journal_title：Photosynthesis research

authors： Odella E,Moore TA,Moore AL

更新日期：2021-01-11 00:00:00

abstract：:We evaluate low-temperature (low-T) emission spectra of photosystem II core complexes (PSII-cc) previously reported in the literature, which are compared with emission spectra of PSII-cc obtained in this work from spinach and for dissolved PSII crystals from Thermosynechococcus (T.) elongatus. This new spectral datase...

journal_title：Photosynthesis research

authors： Chen J,Kell A,Acharya K,Kupitz C,Fromme P,Jankowiak R

更新日期：2015-06-01 00:00:00

abstract：:The coupling factor CF1 is a catalytic part of chloroplast ATP synthase which is exposed to stroma whose viscosity is many-fold higher than that of reaction mixtures commonly used to measure kinetics of CF1-catalyzed ATP hydrolysis. This study is focused on the effect of medium viscosity modulated by sucrose or bovine...

journal_title：Photosynthesis research

authors： Malyan AN

更新日期：2016-05-01 00:00:00

abstract：:Induction of chlorophyll a fluorescence and photosynthesis as affected by temperature were measured in cucumber leaf discs. Abrupt changes of the maximal variable fluorescence, Fv(p), and photosynthesis were observed around 9° and 21°C when the temperature was decreased from 30° to 0°C. The temperature-dependent maxim...

journal_title：Photosynthesis research

authors： Janssen LH,Van Hasselt PR

更新日期：1988-02-01 00:00:00

abstract：:The potential role of foliar carbon export features in the acclimation of photosynthetic capacity to differences and changes in light environment was evaluated. These features included apoplastic vs. symplastic phloem loading, density of loading veins, plasmodesmatal frequency in intermediary cells, and the ratio of l...

journal_title：Photosynthesis research

authors： Adams WW 3rd,Watson AM,Mueh KE,Amiard V,Turgeon R,Ebbert V,Logan BA,Combs AF,Demmig-Adams B

更新日期：2007-11-01 00:00:00

abstract：:The chloroplast ATP synthase synthesizes ATP from ADP and free phosphate coupled by the electrochemical potential across the thylakoid membrane in the light. The light-dependent regulation of ATP synthase activity is carried out in part through redox modulation of a cysteine disulfide bridge in CF1 gamma-subunit. In o...

journal_title：Photosynthesis research

authors： Wu G,Ort DR

更新日期：2008-08-01 00:00:00

abstract：:This work addresses the question of occurrence and function of photosystem II (PSII) in bundle sheath (BS) cells of leaves possessing NADP-malic enzyme-type C4 photosynthesis (Zea mays). Although no requirement for PSII activity in the BS has been established, several component proteins of PSII have been detected in B...

journal_title：Photosynthesis research

authors： Peterson RB,Oja V,Eichelmann H,Bichele I,Dall'Osto L,Laisk A

更新日期：2014-10-01 00:00:00

abstract：:The chloroplast photo-oxidation and the expression of the Cab gene Lhcb1, encoding the Lhcb1 light-harvesting chlorophyll a/b-protein of PS II, have been studied in leaf cells of maize treated with the two bleaching herbicides norflurazon and amitrole and of the two carotenoid-free mutants vp9 and vp2 grown under high...

journal_title：Photosynthesis research

authors： Rocca NL,Barbato R,Vecchia FD,Rascio N

更新日期：2000-01-01 00:00:00

abstract：:Photosystem II (PSII) catalyzes the oxidation of water to O2 at the manganese-containing, oxygen-evolving complex (OEC). Photoexcitation of PSII results in the oxidation of the OEC; four sequential oxidation reactions are required for the generation and release of molecular oxygen. Therefore, with flash illumination, ...

journal_title：Photosynthesis research

authors： Cooper IB,Barry BA

更新日期：2007-06-01 00:00:00