CAM-idling in Hoya carnosa (Asclepiadaceae).

abstract：:Rates of net CO2 uptake were examined in developing leaves of Hydrocotyle bonariensis. Leaves that developed under high photosynthetically active radiation (48 mol m(-2) day(-1) PAR) were smaller, thicker, and reached maximum size sooner than did leaves that developed under low PAR (4.8 mol m(-2) day(-1)). Maximum net...

journal_title：Photosynthesis research

authors： Longstreth DJ,Hartsock TL,Nobel PS

更新日期：1981-06-01 00:00:00

abstract：:The previous work in our lab showed that the spinach chloroplast ATP synthase epsilon mutant with 3 amino acid residues deleted from the N-terminus had much lower ability to inhibit ATP hydrolysis and block proton leakage in comparison to a mutant with 1 or 2 residues deleted from the N-terminus. The present study aim...

journal_title：Photosynthesis research

authors： Zeng X,Ni Z,Shi X,Wei J,Shen Y

更新日期：2005-01-01 00:00:00

abstract：:Dry weight and Relative Growth Rate of Lemna gibba were significantly increased by CO2 enrichment up to 6000 μl CO2 l(-1). This high CO2 optimum for growth is probably due to the presence of nonfunctional stomata. The response to high CO2 was less or absent following four days growth in 2% O2. The Leaf Area Ratio decr...

journal_title：Photosynthesis research

authors： Andersen IH,Dons C,Nilsen S,Haugstad MK

更新日期：1985-03-01 00:00:00

abstract：:The localization of isoprenoid lipids in chloroplasts, the accumulation of particular isoprenoids under high irradiance conditions, and channelling of photosynthetically fixed carbon into plastidic thylakoid isoprenoids, volatile isoprenoids, and cytosolic sterols are reviewed. During leaf and chloroplast development ...

journal_title：Photosynthesis research

authors： Lichtenthaler HK

更新日期：2007-05-01 00:00:00

abstract：:Photosynthetic organisms normally endeavor to optimize the efficiency of their light-harvesting apparatus. However, here we describe two bacterial isolates belonging to the genera Allochromatium and Thiocapsa that demonstrate a novel adaptation by optimizing their external growth conditions at the expense of photosynt...

journal_title：Photosynthesis research

authors： Herbert RA,Gall A,Maoka T,Cogdell RJ,Robert B,Takaichi S,Schwabe S

更新日期：2008-02-01 00:00:00

abstract：:Time-resolved (TR) infrared (IR) spectroscopy in the nanosecond to second timescale has been extensively used, in the last 30 years, in the study of photosynthetic systems. Interesting results have also been obtained at lower time resolution (minutes or even hours). In this review, we first describe the used technique...

journal_title：Photosynthesis research

authors： Mezzetti A,Leibl W

更新日期：2017-02-01 00:00:00

abstract：:The absorption spectra of two light harvesting complexes from higher plants, CP29 and LHC II, have been analysed in the Soret region in order to obtain a description in terms of the absorption spectra of the individual pigments. This information is of great practical use when applying spectroscopic techniques to the s...

journal_title：Photosynthesis research

authors： Croce R,Cinque G,Holzwarth AR,Bassi R

更新日期：2000-01-01 00:00:00

abstract：:Chlorophyll fluorescence imaging has been used to analyse the response elicited in Phaseolus vulgaris after inoculation with Pseudomonas syringae pv. phaseolicola 1448A (compatible interaction) and P. syringae pv. tomato DC3000 (incompatible interaction). With the aim of modulating timing of symptom development, diffe...

journal_title：Photosynthesis research

authors： Rodríguez-Moreno L,Pineda M,Soukupová J,Macho AP,Beuzón CR,Barón M,Ramos C

更新日期：2008-04-01 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：: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：:Chloroplasts of a chlorophyll (Chl) b-less barley mutant were solubilized with digitonin and fractionated by polyacrylamide gel electrophoresis with sodium deoxycholate in the running buffer. By this procedure, in contrast to using sodium dodecylsulfate (SDS) for solubilization, a Chl a-protein analogous to the major ...

journal_title：Photosynthesis research

authors： Duranton J,Brown J

更新日期：1987-01-01 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：: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：:Using a novel, pulsed micro-second time-resolved photoacoustic (PA) instrument, we measured thermal dissipation and energy storage (ES) in the intact cells of wild type (WT) Chlamydomonas reinhardtii, and mutants lacking either PSI or PSII reaction centers (RCs). On this time scale, the kinetic contributions of the th...

journal_title：Photosynthesis research

authors： Yan C,Schofield O,Dubinsky Z,Mauzerall D,Falkowski PG,Gorbunov MY

更新日期：2011-09-01 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：:A high CO2-requiring mutant of Synechocystis PCC6803 (G3) capable of Ci transport but unable to utilize the intracellular Ci pool for photosynthesis was constructed. A DNA clone of 6.1 kbp that transforms the G3 mutant to the wild-type phenotype was isolated from a Synechocystis PCC6803 genomic library. Complementatio...

journal_title：Photosynthesis research

authors： Ogawa T,Amichay D,Gurevitz M

更新日期：1994-02-01 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：:This concise review describes the current status of research into how carotenoids function in bacterial photosynthesis. This is illustrated by reference to very recent studies on both the photoprotective and antenna functions of carotenoids. The major remaining open questions on the detailed molecular mechanisms invol...

journal_title：Photosynthesis research

authors： Fraser NJ,Hashimoto H,Cogdell RJ

更新日期：2001-01-01 00:00:00

abstract：:Most chloroplasts undergo changes in composition, function and structure in response to growth irradiance. However, Tradescantia albiflora, a facultative shade plant, is unable to modulate its light-harvesting components and has the same Chl a/Chl b ratios and number of functional PS II and PS I reaction centres on a ...

journal_title：Photosynthesis research

authors： Anderson JM,Soon Chow W,Park YI,Franklin LA,Robinson SP,van Hasselt PR

更新日期：2001-01-01 00:00:00

abstract：:Flash-induced kinetics of the membrane potential increase related to electron transfer within the cytochrome (cyt) b/c1 complex (Phase III) and that of cyt c1+c2 reduction have been measured as a function of myxothiazol concentration in isolated chromatophores and whole cells of Rhodobacter sphaeroides. Upon addition ...

journal_title：Photosynthesis research

authors： Joliot P,Verméglio A,Joliot A

更新日期：1996-05-01 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：:Almost 1 year has passed since the death of Wolfgang Haehnel on 13.5.2013, after a long fight against cancer. With his death, the photosynthesis community has lost an excellent scientist, a critical peer, and a stimulating sparring partner in discussions: I also lost a good friend. ...

journal_title：Photosynthesis research

authors： Scheer H

更新日期：2014-06-01 00:00:00

abstract：:Moderately high temperature reduces photosynthetic capacities of leaves with large effects on thylakoid reactions of photosynthesis, including xanthophyll conversion in the lipid phase of the thylakoid membrane. In previous studies, we have found that leaf temperature of 40°C increased zeaxanthin accumulation in dark-...

journal_title：Photosynthesis research

authors： Zhang R,Kramer DM,Cruz JA,Struck KR,Sharkey TD

更新日期：2011-09-01 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 chlorina-f2 mutant of barley (Hordeum vulgare L.) contains no chlorophyll b in its light-harvesting antenna, whereas the chlorina-103 mutant contains approximately 10% of the chlorophyll b found in wild-type. The absolute chlorophyll antenna size for Photosystem-II in wild-type, chlorina-103 and chlorina-f2 mutant...

journal_title：Photosynthesis research

authors： Harrison MA,Nemson JA,Melis A

更新日期：1993-11-01 00:00:00

abstract：:The photosystem II (PSII) manganese-stabilizing protein (PsbO) is known to be the essential PSII extrinsic subunit for stabilization and retention of the Mn and Cl(-) cofactors in the oxygen evolving complex (OEC) of PSII, but its function relative to Ca(2+) is less clear. To obtain a better insight into the relations...

journal_title：Photosynthesis research

authors： Popelkova H,Boswell N,Yocum C

更新日期：2011-12-01 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 effects of Fe resupply to Fe-deficient plants have been investigated in hydroponically-grown sugar beet. In the short-term (24 h) after Fe resupply, major changes were observed, although de novo chlorophyll (Chl) synthesis had not begun yet. Approximately 50% of the zeaxanthin was converted into violaxanthin, wher...

journal_title：Photosynthesis research

authors： Larbi A,Abadía A,Morales F,Abadía J

更新日期：2004-01-01 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：:Modulation of the efficiency with which leaves convert absorbed light to photochemical energy [intrinsic efficiency of open photosystem II (PSII) centers, as the ratio of variable to maximal chlorophyll fluorescence] as well as leaf xanthophyll composition (interconversions of the xanthophyll cycle pigments violaxanth...

journal_title：Photosynthesis research

authors： Demmig-Adams B,Cohu CM,Muller O,Adams WW 3rd

更新日期：2012-09-01 00:00:00