Abstract:
:Prior to the 1960s, the model for the molecular structure of cell membranes consisted of a lipid bilayer held in place by a thin film of electrostatically-associated protein stretched over the bilayer surface: (the Danielli-Davson-Robertson "unit membrane" model). Andrew Benson, an expert in the lipids of chloroplast thylakoid membranes, questioned the relevance of the unit membrane model for biological membranes, especially for thylakoid membranes, instead of emphasizing evidence in favour of hydrophobic interactions of membrane lipids within complementary hydrophobic regions of membrane-spanning proteins. With Elliot Weier, Benson postulated a remarkable subunit lipoprotein monolayer model for thylakoids. Following the advent of freeze fracture microscopy and the fluid lipid-protein mosaic model by Singer and Nicolson, the subunits, membrane-spanning integral proteins, span a dynamic lipid bilayer. Now that high resolution X-ray structures of photosystems I and II are being revealed, the seminal contribution of Andrew Benson can be appreciated.
journal_name
Photosynth Resjournal_title
Photosynthesis researchauthors
Anderson JMdoi
10.1007/s11120-007-9159-zsubject
Has Abstractpub_date
2007-05-01 00:00:00pages
193-7issue
2eissn
0166-8595issn
1573-5079journal_volume
92pub_type
杂志文章abstract::Oxygenic photosynthesis requires chlorophyll (Chl) for the absorption of light energy, and charge separation in the reaction center of photosystem I and II, to feed electrons into the photosynthetic electron transfer chain. Chl is bound to different Chl-binding proteins assembled in the core complexes of the two photo...
journal_title:Photosynthesis research
pub_type: 杂志文章,评审
doi:10.1007/s11120-015-0154-5
更新日期:2015-12-01 00:00:00
abstract::Water vapor was added differentially to the gas streams entering the cells of three makes of differential infrared carbon dioxide analysers. Analyser deflections were compared with those expected from dilution of the carbon dioxide by the additional gas. Tests were made at 0, 365, and 730 cm(3) m(-3) concentrations of...
journal_title:Photosynthesis research
pub_type: 杂志文章
doi:10.1007/BF00054104
更新日期:1985-12-01 00:00:00
abstract::The 'Salada de Chiprana' (Chiprana Lake) is a hypersaline (30-73 per thousand), permanent and shallow lake of endorheic origin in a semi-arid region of the Ebro depression (Aragon, Spain). Magnesium sulfate and sodium chloride represent the main salts of this athalassohaline environment. Anoxic conditions occurred per...
journal_title:Photosynthesis research
pub_type: 杂志文章
doi:10.1023/A:1014915900644
更新日期:2002-01-01 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
pub_type: 杂志文章,评审
doi:10.1007/s11120-012-9761-6
更新日期:2012-09-01 00:00:00
abstract::NADP:ferredoxin oxidoreductase (EC. 1.6.7.1.) isolated from a thermophilic blue-green alga, Synechococcus sp., was stable at temperatures up to 65°C. The diaphorase and cytochrome c reductase activities of the enzyme were low at 25°C but increased with elevated temperature to reach a maximum at about 60°C. The pH-prof...
journal_title:Photosynthesis research
pub_type: 杂志文章
doi:10.1007/BF00020595
更新日期:1980-09-01 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
pub_type: 杂志文章
doi:10.1007/s11120-005-9010-3
更新日期:2006-03-01 00:00:00
abstract::The content and composition of pigments and acyl lipids (monogalactosyl diacylglycerol, digalactosyl diacylglycerol and phosphatidyl glycerol) have been investigated in developing chloroplasts isolated from successive 2-cm sections along the leaves of wheat seedlings grown either under 100, 30 or 3 W·m(-2). In all exa...
journal_title:Photosynthesis research
pub_type: 杂志文章
doi:10.1007/BF00035244
更新日期:1986-01-01 00:00:00
abstract::DCMU (3-(3,4-dichlorophenyl)-1,1-dimethylurea) at concentrations higher than 10 μM suppresses the second time range delayed fluorescence (DF) of pea chloroplasts, due to inhibition of the oxidizing side of photosystem II (PS II). The inhibition of the reducing side of PS II resulting in the suppression of millisecond ...
journal_title:Photosynthesis research
pub_type: 杂志文章
doi:10.1007/BF00054986
更新日期:1988-01-01 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
pub_type: 杂志文章,评审
doi:10.1007/s11120-006-9121-5
更新日期:2007-07-01 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
pub_type: 杂志文章
doi:10.1007/BF02185411
更新日期:1993-01-01 00:00:00
abstract::Lipids are important components of transmembrane protein complexes. In order to study the roles of lipids in photosystem II (PSII), we treated the PSII core dimer complex from a thermophilic cyanobacterium Thermosynechococcus vulcanus with phospholipase A(2) (PLA(2)) and lipase, and examined their effects on PSII stru...
journal_title:Photosynthesis research
pub_type: 杂志文章
doi:10.1007/s11120-008-9335-9
更新日期:2008-10-01 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
pub_type: 杂志文章
doi:10.1007/BF00052124
更新日期:1983-09-01 00:00:00
abstract::Sulphoquinovosyldiacylglycerol is a negatively charged lipid which exists in the thylakoid membrane. It is proposed that a large proportion of this acidic lipid does not form a part of the bulk lipid matrix but is closely associated with protein complexes where it is tightly bound and participates in either optimising...
journal_title:Photosynthesis research
pub_type: 杂志文章
doi:10.1007/BF00029747
更新日期:1986-01-01 00:00:00
abstract::As part of an ongoing investigation into the effects of long-term UV-B radiation exposure on the growth and morphology of woody perennials, the gas exchange and photosynthesis of five common deciduous tree species were measured. All five tree species had been exposed to UV-B radiation for 5 years, in the field, at an ...
journal_title:Photosynthesis research
pub_type: 杂志文章
doi:10.1023/A:1010620228989
更新日期:2001-01-01 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
pub_type: 杂志文章
doi:10.1007/BF00037179
更新日期:1989-09-01 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
pub_type: 杂志文章
doi:10.1007/s11120-011-9672-y
更新日期:2011-09-01 00:00:00
abstract::Little is known about the mechanistic basis for the movement of promiscuous nucleic acids across cell membranes. To address this problem we sought conditions that would permit the entry of plasmid DNA into isolated, intact pea chloroplasts. DNA uptake did not occur normally, but was induced by hypotonic treatments, by...
journal_title:Photosynthesis research
pub_type: 杂志文章
doi:10.1007/BF00020448
更新日期:1995-11-01 00:00:00
abstract::Relationships between induced high leaf intercellular CO₂ concentrations, leaf K⁺ and NO₃⁻ ion movement and early fruit formation under macronutrient limitation are not well understood. We examined the effects and interactions of reduced K/N input treatments on leaf intercellular CO₂, photosynthesis rate, carboxylatio...
journal_title:Photosynthesis research
pub_type: 杂志文章
doi:10.1007/s11120-013-9832-3
更新日期:2013-07-01 00:00:00
abstract::Structural analogues of the NADP(+) were studied as potential coenzymes and inhibitors for NADP(+) dependent malic enzyme from Zea mays L. leaves. Results showed that 1, N(6)-etheno-nicotinamide adenine dinucleotide phosphate (∈ NADP(+)), 3-acetylpyridine-adenine dinucleotide phosphate (APADP(+)), nicotinamide-hypoxan...
journal_title:Photosynthesis research
pub_type: 杂志文章
doi:10.1007/BF00033716
更新日期:1991-05-01 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
pub_type: 杂志文章
doi:10.1007/BF00041817
更新日期:1983-01-01 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
pub_type: 杂志文章
doi:10.1007/s11120-011-9682-9
更新日期:2011-09-01 00:00:00
abstract::A pigment system containing carotenoids and oxidised reaction centre pigments is present in chromatophores of Rhodospirillum rubrum and this pigment system may cause fluorescence quenching when a still unidentified chromatophore component is in its oxidised state. Besides by its action spectrum, this pigment system is...
journal_title:Photosynthesis research
pub_type: 杂志文章
doi:10.1007/BF00018376
更新日期:1984-03-01 00:00:00
abstract::The genome of the purple non-sulphur photosynthetic bacterium Rhodopseudomonas acidophila has been found to contain multiple copies of puc light-harvesting (LH2) peripheral antenna complex genes. Three wild-type isolates each exhibiting dissimilar peripheral antenna complex phenotypes in response to growth at reduced ...
journal_title:Photosynthesis research
pub_type: 杂志文章
doi:10.1007/BF00034783
更新日期:1996-09-01 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
pub_type: 杂志文章
doi:10.1007/s11120-015-0128-7
更新日期:2015-06-01 00:00:00
abstract::In this communication, evidence is presented from the kinetics of QA (-) decay (where QA is the first plastoquinone electron acceptor of photosystem II) and oxygen evolution for the requirement of bicarbonate in the electron transport in a cyanobacteriumSynechocystis (Pasteur Culture Collection 6803). A large slowing ...
journal_title:Photosynthesis research
pub_type: 杂志文章
doi:10.1007/BF00046879
更新日期:1988-10-01 00:00:00
abstract::Previous investigations have shown that increased source strength as a result of elevated CO(2) can alter the timing of the phases of change that occur in photosynthetic rates during dicot leaf ontogeny [Miller et al. (1997) Plant Physiol 115: 1195-1200]. To evaluate the converse situation of decreased source strength...
journal_title:Photosynthesis research
pub_type: 杂志文章
doi:10.1023/A:1006367719639
更新日期:2000-01-01 00:00:00
abstract::The linear, four-step oxidation of water to molecular oxygen by photosystem II requires cooperation between redox reactions driven by light and a set of redox reactions involving the S-states within the oxygen-evolving complex. The oxygenevolving complex is a highly ordered structure in which a number of polypeptides ...
journal_title:Photosynthesis research
pub_type: 杂志文章
doi:10.1007/BF00037001
更新日期:1985-01-01 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
pub_type: 杂志文章
doi:10.1007/BF00040990
更新日期:1996-05-01 00:00:00
abstract::This personal perspective records research experiences in chemistry and biology at four German universities, two before and two after World War II. The research themes came from cytophysiology of green unicellular algae, in particular their photosynthesis. The function of inorganic ions in photosynthesis and dark resp...
journal_title:Photosynthesis research
pub_type: 杂志文章
doi:10.1007/BF00034771
更新日期:1994-06-01 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
pub_type: 杂志文章
doi:10.1023/A:1016093127057
更新日期:2002-01-01 00:00:00