Simultaneous collection of rapid chlorophyll fluorescence induction kinetics, fluorescence quenching parameters, and environmental data using an automated PAM-2000/CR10X data logging system.

abstract：:Application of target theory to the photoinactivation of Photosystem II in pea leaf discs (Park et al. 1995, 1996a,b) reveals that there is a critical light dosage below which there is complete photoprotection and above which there is photoinactivation (i.e a light-induced loss of oxygen flash yield). The critical dos...

journal_title：Photosynthesis research

authors： Sinclair J,Park YI,Chow WS,Anderson JM

更新日期：1996-10-01 00:00:00

abstract：:Heliobacteria contain Type I reaction centers (RCs) and a homodimeric core, but unlike green sulfur bacteria, they do not contain an extended antenna system. Given their simplicity, the heliobacterial RC (HbRC) should be ideal for the study of a prototypical homodimeric RC. However, there exist enormous gaps in our kn...

journal_title：Photosynthesis research

authors： Heinnickel M,Golbeck JH

更新日期：2007-04-01 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：:In this report we demonstrate sulfite interaction with oxygen and PSII electron acceptors (ferricyanide and para-benzoquinone) during measurement of oxygen evolution in chloroplasts. Redox potentials of oxygen, ferricyanide and para-benzoquinone allow them to compete for sulfite. Without taking this into account, sulf...

journal_title：Photosynthesis research

authors： Beauregard M,Popovic R

更新日期：1987-01-01 00:00:00

abstract：:Earlier mass spectrometric measurements, in which oxygen evolution was measured following short saturating light flashes, indicated that with a time resolution of about 30 s no form of bound water and/or an oxidation product exists up to the redox state S3 of the oxygen evolving center (R. Radmer and O. Ollinger, 1986...

journal_title：Photosynthesis research

authors： Bader KP,Renger G,Schmid GH

更新日期：1993-01-01 00:00:00

abstract：:Humic substances (HSs) can influence the growth and composition of freshwater phytoplankton assemblage. Since HSs contain many phenolic and quinonic moieties and cause growth reductions in eco-physiological field experiments, HSs are considered photosystem II herbicides. To test this specific mode of action in vivo an...

journal_title：Photosynthesis research

authors： Gilbert M,Bährs H,Steinberg CEW,Wilhelm C

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：:A new binding site for anions which inhibit the water oxidizing complex (WOC) of Photosystem II in spinach has been identified. Anions which bind to this site inhibit the flash-induced S2/S0 catalase reaction (2H2O2→2H2O+O2) of the WOC by displacing hydrogen peroxide. Using a mass spectrometer and gas permeable membra...

journal_title：Photosynthesis research

authors： Mano J,Kawamoto K,Dismukes GC,Asada K

更新日期：1993-01-01 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：:A fluorescence video imaging system utilizing relatively inexpensive commercial components is described. The instrument utilizes a black and white CCD video camera detector, a commercial video imaging board and a IBM-AT compatible computer. The color output of the imaging board greatly aids in the users ability to vis...

journal_title：Photosynthesis research

authors： Fenton JM,Crofts AR

更新日期：1990-10-01 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：:Around 1960 experiments of Arnold and Clayton, Chance and Nishimura and Calvin and coworkers demonstrated that the primary photosynthetic electron transfer processes are not abolished by cooling to cryogenic temperatures. After a brief historical introduction, this review discusses some aspects of electron transfer in...

journal_title：Photosynthesis research

authors： Aartsma TJ,Amesz J

更新日期：1996-05-01 00:00:00

abstract：:The post-translational modification consisting in the formation/reduction of disulfide bonds has been the subject of intense research in plants since the discovery in the 1970s that many chloroplastic enzymes are regulated by light through dithiol-disulfide exchange reactions catalyzed by oxidoreductases called thiore...

journal_title：Photosynthesis research

authors： Chibani K,Couturier J,Selles B,Jacquot JP,Rouhier N

更新日期：2010-04-01 00:00:00

abstract：:For maximal rates of CO2 assimilation in isolated intact spinach chloroplasts the generation of the adequate NADPH/ATP ratio is achieved either by cyclic electron flow around photosystem I or by linear electron transport to oxaloacetate, nitrite or oxygen (Mehler-reaction). The interrelationships between these poising...

journal_title：Photosynthesis research

authors： Backhausen JE,Kitzmann C,Scheibe R

更新日期：1994-10-01 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：:The biogenesis and oxygen-evolving activity of cyanobacterial Photosystem II (PSII) is dependent on a number of accessory proteins not found in the crystallised dimeric complex. These include Psb27, a small lipoprotein attached to the lumenal side of PSII, which has been assigned a role in regulating the assembly of t...

journal_title：Photosynthesis research

authors： Michoux F,Takasaka K,Boehm M,Komenda J,Nixon PJ,Murray JW

更新日期：2012-02-01 00:00:00

abstract：:The quantum yield for light-induced H2 generation was measured for a previously optimized bio-hybrid cytochrome c 6-crosslinked PSI(C13G)-1,8-octanedithiol-[FeFe]-H2ase(C97G) (PSI-H2ase) nanoconstruct. The theoretical quantum yield for the PSI-H2ase nanoconstruct is 0.50 molecules of H2 per photon absorbed, which equa...

journal_title：Photosynthesis research

authors： Applegate AM,Lubner CE,Knörzer P,Happe T,Golbeck JH

更新日期：2016-01-01 00:00:00

abstract：:Maximum photosynthetic CO2 exchange rates (Pn) of single attached leaves were determined for several cassava cultivars selected from different habitats and grown in pots outdoors at CIAT, Colombia, S.A. Pn rates were in a narrow range of 22 to 26 μmol CO2 m(-2)s(-1) for all cultivars tested when measured at high photo...

journal_title：Photosynthesis research

authors： El-Sharkawy MA,Cock JH,Held AA

更新日期：1984-09-01 00:00:00

abstract：:Light-harvesting Chl a/b protein complexes were isolated from the higher plant Sinapis alba, the green alga Chlorella fusca, and the prasinophycean alga Mantoniella squamata by mild gel electrophoresis. The energy transfer from chlorophyll b and the accessory xanthophyll was measured by means of fluoresence spectrosco...

journal_title：Photosynthesis research

authors： Wilhelm C,Lenarz-Weiler I

更新日期：1987-01-01 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

abstract：:Chloroplast NADP-dependent malate dehydrogenase (NADP-MDH, EC 1.1.1.82) is inactive in the dark and activated in the light via a reduction of specific disulfides by thiol-disulfide interchange with thioredoxin, reduced by the photosynthetic electron transfer. Compared to the constitutively active NAD-dependent forms, ...

journal_title：Photosynthesis research

authors： Miginiac-Maslow M,Lancelin JM

更新日期：2002-01-01 00:00:00

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 Fabaceae tree Butea monosperma (TAUB.; syn. Erythrina monosperma (LAM.)) is widely distributed in Central and West-India. We studied it at three sites, i.e. at two locations with contrasting exposure (NE and SW, respectively) in a small mountain range with poor soil on highly drained rocky slopes and at a third lo...

journal_title：Photosynthesis research

authors： Mikosch M,Kumari N,Sharma T,Sharma V,Gessler A,Fischer-Schliebs E,Lüttge U

更新日期：2012-09-01 00:00:00

abstract：:Envelope membranes were isolated by sucrose density gradient floatation centrifugation from the homogenate of cyanelles prepared from Cyanophora paradoxa. Two yellow bands were separated after 40 h of centrifugation. The buoyant density of one of the two fractions (fraction Y2) coincided with that of inner envelope me...

journal_title：Photosynthesis research

authors： Koike H,Ikeda Y,Yusa F,Kashino Y,Satoh K

更新日期：2007-07-01 00:00:00

abstract：:A chlorosome is an antenna complex located on the cytoplasmic side of the inner membrane in green photosynthetic bacteria that contains tens of thousands of self-assembled bacteriochlorophylls (BChls). Green bacteria are known to incorporate various esterifying alcohols at the C-17 propionate position of BChls in the ...

journal_title：Photosynthesis research

authors： Wang Y,Freund DM,Magdaong NM,Urban VS,Frank HA,Hegeman AD,Tang JK

更新日期：2014-10-01 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：: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：:Henrik Lundegårdh made major contributions in the field of ecology and plant physiology from 1912 to 1969. His early work at Hallands Väderö in the Kattegat pioneered quantitative approaches to plant ecology and laid the understanding of carbon dioxide exchange in natural communities which is still useful today in glo...

journal_title：Photosynthesis research

authors： Larkum AW

更新日期：2003-01-01 00:00:00

abstract：:This review presents a summary of recent investigations examining the structure and function of the chlorophyll-proteins CPa-1 (CP47) and CPa-2 (CP43). Comparisons of the derived amino acid sequences of these proteins suggest sites for chlorophyll binding and for interactions between these chlorophyll-proteins and oth...

journal_title：Photosynthesis research

authors： Bricker TM

更新日期：1990-04-01 00:00:00

abstract：:Fluorescence and electron paramagnetic resonance measurements were used to study selenium influence on photosystem activity in rape seedlings affected by Cd stress. Water cultures containing Hoagland nutrients were supplemented with 400 microM of CdCl(2), 2 microM of Na(2)SeO(4) and a mixture of both CdCl(2) and Na(2)...

journal_title：Photosynthesis research

authors： Filek M,Kościelniak J,Łabanowska M,Bednarska E,Bidzińska E

更新日期：2010-07-01 00:00:00