TitleAbstractYear(sorted ascending)
electron diffraction of membranes. 19715550836
structure and function of electron transport systems. effects of diethylether and urea on the system from rhodospirillum rubrum. 19715553029
[substrates of thylakoids from rhodospirillum rubrum following treatment with the detergent triton x-100]. 19715559167
adenosine triphosphate cellular levels in rhodosopirillum rubrum during transition from aerobic to anaerobic metabolism. 19715560361
base composition of deoxyribonucleic acid isolated from athiorhodaceae.guanine plus cytosine content of deoxyribonucleic acid ranged from 60.5 to 65.0% for five rhodospirillum species and from 64.4 to 70.3% for six rhodopseudomonas species. these values were compared to those of two hyphomicrobiaceae and two hydrogen-oxidizing bacteria.19715563872
the absolute yield of bacteriochlorophyll fluorescence in vivo. 19715564817
[formation of catalase by photosynthesizing bacteria]. 19715567626
l-threonine deaminase of rhodospirillum rubrum. purification and characterization. 19715569609
cold inactivation of l-threonine deaminase from rhodospirillum rubrum. involvement of hydrophobic interactions. 19715569610
survey of the photosynthetic bacteria for rhodanese (thiosulfate: cyanide sulfur transferase) activity.rhodanese activity was demonstrated in extracts from all three taxonomic families of photosynthetic bacteria, and this activity appeared to be uncorrelated with thiosulfate metabolism.19715573738
resolution of nitrogenase of mycobacterium flavum 30l into two components and cross reaction with nitrogenase components from other bacteria. 19715578611
[morphology and some physiological properties of purple bacteria isolated from oil-bearing strata]. 19715580111
effect of drugs that alter excitable membranes on the motility of rhodospirillum rubrum and thiospirillum jenense. 19714251321
ppase, atpase, and photophosphorylation in chromatophores of rhodospirillum rubrum: inactivation by phospholipase a; reconstitution by phospholipids. 19714256089
[biosynthesis of phenol compounds and its regulation]. 19714258917
[kinetics of photoinduced epr signal of photosynthesizing bacteria rhodospirillum rubrum]. 19714324589
atp synthesis driven by inorganic pyrophosphate in rhodospirillum rubrum chromatophores. 19714324839
redox components associated with chromatophores from rhodospirillum rubrum. 19714327322
isolation and properties of rubredoxin from the photosynthetic green sulfur bacteria. 19714327795
preparation and properties of rhodospirillum rubrum cytochromes c 2, cc', and b 557.5, and flavin mononucleotide protein. 19714328444
energy-linked reactions in photosynthetic bacteria. vi. inorganic pyrophosphate-driven atp synthesis in rhodospirillum rubrum. 19714329864
the adjustment of photosynthetically grown cells of rhodospirillum rubrum to aerobic light conditions. 19714331367
catalytic properties and regulatory diversity of inorganic pyrophosphatases from photosynthetic bacteria.soluble inorganic pyrophosphatases of five species of nonsulfur purple bacteria were investigated in respect to reaction kinetics, regulatory behavior, and other characteristics. the enzymes appear to fall into two groups with correlated properties. the pyrophosphatases of rhodopseudomonas capsulata and r. spheroides have molecular weights of approximately 60,000, are stabilized by co(2+), and exhibit simple michaelis-menten reaction kinetics. on the other hand, the enzymes of r. palustris, r. g ...19714333319
the effect of temperature on the kinetics of adenosine diphosphoglucose pyrophosphorylase from rhodospirillum rubrum. 19714335088
regulatory properties of an inorganic pyrophosphatase from the photosynthic bacterium rhodospirillum rhodospirillum rubrum, inorganic pyrophosphatase activity is observed in both the cytoplasmic and membrane fractions. the soluble enzyme accounts for about 80% of the total activity in crude extracts, and is the subject of this report. zn(2+) is required for both activity and stability of the enzyme, which has a molecular weight of approximately 90,000 (gel-filtration determinations). the substrate is mgp(2)o(7) (2-), and free pyrophosphate (p(2)o(7) (4-)) is a strong inhibitor. kinetic exper ...19714396317
effect of proteolytic and lipolytic enzymes on the electron transport particle fraction of rhodospirillum rubrum. ii. phospholipases. 19714396550
[formate dehydrogenase and formate hydro-lyase of chloropseudomonas ethylica]. 19714397151
resolution of enzymes catalyzing energy-linked transhydrogenation. ii. interaction of transhydrogenase factor with rhodospirillum rubrum chromatophore membrane. 19714397853
resolution of enzymes catalyzing energy-linked transhydrogenation. 3. preparation and properties of rhodospirillum rubrum transhydrogenase factor. 19714397854
[the influence of culture conditions on the nad(p) content of rhodospirillum rubrum cells]. 19714399577
the mechanism of ammonia assimilation in nitrogen fixing bacteria. 19714399578
regulation of the cytoplasmic inorganic pyrophosphatase of rhodospirillum rubrum. 19714399656
the isolation and characterization of rhodospirillum rubrum flavodoxin. 19714400790
temperature-sensitive mutations of the photosynthetic apparatus of rhodospirillum rubrum.temperature-sensitive mutants of rhodospirillum rubum have been isolated by enrichment techniques selecting for conditionally aberrant electron flow in various portions of the electron transport scheme. the temperature sensitivity of a class of these strains is shown to preferentially affect the photosynthetic mode of growth and energy production over the aerobic mode.19715276284
relationship between light-induced quenching of atebrin fluorescence and atp formation in rhodospirillum rubrum chromatophores. 197111945647
energy-linked changes of the membrane of rhodospirillum rubrum chromatophores detected by the fluorescent probe 8-anilinonaphthalene-1-sulfonic acid. 197111945994
a coupling factor from rhodospirillum rubrum chromatophores. 197211946452
influence of light intensity on reductive pentose phosphate cycle activity during photoheterotrophic growth of rhodospirillum rubrum.light intensity during growth affects the proportion of carbon dioxide fixed by the reductive pentose phosphate cycle relative to that incorporated via c(4) acids in acetate phototrophs of rhodospirillum rubrum. with cells grown at high light intensity (9000 lux) the specific activities of ribulose-1, 5-diphosphate and propionyl coa carboxylases were increased compared with cells grown at low light intensity (1500 lux), although pyruvate carboxylase activity was unaltered.kinetic experiments wit ...197216658151
the effect of aging resolved chromatophores of rhodospirillum rubrum on the capacity to reconstitute the energy-linked transhydrogenation. 19724400928
ferredoxins in light- and dark-grown photosynthetic cells with special reference to rhodospirillum rubrum. 19724401426
enzymic redox reactions of cytochromes c. 19724405125
the ubiquinone homologue of the green mutant of rhodopseudomonas spheroides. 19724536950
membranes of photosynthetic bacteria. 19724557023
[current status of the study of a new parasitic group of bacteria, bdellovibrio bacteriovorus]. 19724576702
[changes in the intracytoplasmic membranes system (thylakoids) of rhodospirillum rubrum under nitrogen limitation]. 19724631858
[influence of 2-hydroxybiphenyl on carotenogenesis in rhodospseudomonas spheroides and rhodospirillum]. 19724631864
[hydrogen metabolism and hydrogenase activity in rhodospirillum rubrum]. 19724633039
protein composition of intact and fractionated membranes isolated from dark and light grown cells of a blue green mutant of rhodospirillum rubrum (bg 1 ). 19724621613
control of synthesis of reaction center bacteriochlorophyll in photosynthetic bacteria. 19724621847
[demonstration of trans isomers of phytoene and phytofluene in rhodopseudomonas spheroides, rhodospirillum rubrum and mucor hiemalis]. 19724622087
characterization of a blue mutant of rhodospirillum rubrum. 19724622271
studies of flavin-protein interaction in flavoproteins using protein fluorescence and circular dichroism. 19724622437
fluorescence change of auramine o bound to chromatophores of rhodospirillum rubrum--analysis in connection to ionic environment and ion transport. 19724622706
effect of ferredoxin on bacterial photophosphorylation. 19724622736
ribulose diphosphate carboxylase from autotrophic microorganisms.thiobacillus denitrificans was grown anaerobically with nitrate as an acceptor in both sterile and nonsterile media. ribulose diphosphate carboxylase was stable throughout the exponential growth phase and declined slowly only after cells reached the stationary phase. reversible inactivation of the carboxylase occurred in extracts as a result of bicarbonate omission. the enzyme was purified 32-fold with excellent recovery of a preparation which was 50 to 60% pure by the criterion of polyacrylamid ...19724623310
changes in the fluorescence of atebrin and of anilino-naphthalene sulfonate reflecting two different light-induced processes in rhodospirillum rubrum chromatophores. 19724623434
[serological investigations on thylakoids of photosynthetic bacteria and blue-green algae]. 19724623872
lifetime of the excited state in vivo. ii. bacteriochlorophyll in photosynthetic bacteria at room temperature.lifetime of the excited state (tau) of bacteriochlorophyll (bchl) in photosynthetic bacteria, measured with a mode-locked argon laser (oscillating at 488 nm; mode locked at 56 mhz) as light source, ranged from 0.3 to 2.5 nsec. these tau values are reported with a precision of +/-0.1 nsec. the value of tau at high exciting light intensity (i) was two to three times that at low intensity. for young cultures of green bacterium chloropseudomonas ethylicum, tau ranged from 0.5 (low i) to 1.0 nsec (hi ...19724624833
a unified theory of bacterial motile behavior. 19724625587
a free interface diffusion technique for the crystallization of proteins for x-ray crystallography. 19724625692
isolation and characteristics of small, soluble photoreactive fragments of rhodospirillum rubrum. 19724625825
[the biosynthesis of carotenoids]. 19724626283
regulation of ribulose-1,5-diphosphate carboxylase by 6-phospho-d-gluconate. 19724626611
fluorescence of bacteriochlorophyll as related to the photochemistry of chromatophores of photosynthetic bacteria. 19724627083
kinetics of the fluorescence change and p8 70 bleaching in chromatophores from rhodospirillum rubrum. 19724627084
studies on the structure of an ornithine-containing lipid from rhodospirillum rubrum. 19724627356
[synthesis of volatile acids by fermentation of pyruvate and fructose in anaerobic dark cultures of rhodospirillum rubrum]. 19724627360
[a new bacteriochlorophyll from rhodospirillum rubrum]. 19724627398
possible occurrence of a succinate-glycine cycle in rhodospirillum rubrum. 19724627500
temperature dependence of absorption and fluorescence spectra of bacteriochlorophylls in vivo and in vitro. 19724627554
electron acceptors in reaction center preparations from photosynthetic bacteria. 19724627844
isolation and partial characterization of p870 reaction center complex from wild type rhodospirillum rubrum. 19724627845
sulfide utilization by purple nonsulfur bacteria. 19724628180
purification and properties of -ketoglutarate synthase from a photosynthetic bacterium. 19724628267
[aspects of thymine metabolism in athiorhodaceae]. 19724628432
cell-free biosynthesis of precursors of polyprenyl derivatives of p-hydroxybenzoate in mammalian and bacterial systems. 19724628618
nucleosidetriphosphate: nucleosidediphosphate phosphotransferase (ntp-ndp kinase) of rhodospirillum rubrum: its purification and properties. 19724628908
[absorption changes in spectral forms of bacteriochlorophyll in rhodospirillum rubrum chromatophores]. 19724629048
[formation of non-conjugated pteridines by phototrophic bacteria in relation to growth conditions]. 19724630047
oxidation-reduction potential dependence of pyrophosphate-induced cytochrome and bacteriochlorophyll reactions in rhodospirillum rubrum. 19724336310
the question of the primary electron acceptor in bacterial electrophoretic purification of rhodospirillum rubrum photoreceptor subunits prepared by alkaline urea-detergent disruption is described. completely active photoreceptor subunits with less than 0.30 eq of iron (or any other transition metal) per phototrap can routinely be prepared. a new photoproduced electron paramagnetic resonance (epr) signal has been detected in these preparations; it was shown to be due to a photoreduced species. it has a g-value of 2.0050 +/- 0.0003, a peak-peak width o ...19724337236
3-polyprenyl-4-hydroxybenzoate synthesis in the inner membrane of mitochondria from p-hydroxybenzoate and isopentenylpyrophosphate. a demonstration of isoprenoid synthesis in rat liver mitochondria. 19724338233
the photoreduction of nicotinamide-adenine dinucleotide by chromatophore fractions from rhodospirillum rubrum.the photoreduction of nicotinamide-adenine dinucleotide (nad(+)), catalyzed by chromatophore fractions from young (1 day) and old (4-5 days) cultures of rhodospirillum rubrum, was measured in the presence of either succinate or 2,6-dichlorophenol indophenol (dpip) and an excess of ascorbate. the time-course of photoreduction in the succinate system suggested a "reversed electron flow" from the donor to nad(+) mediated by a high energy intermediate produced by a light-induced, cyclic electron tra ...19724338746
characterization of primary reactants in bacterial photosynthesis. i. comparison of the light-induced epr signal (g=2.0026) with that of a bacteriochlorophyll radical. 19724339582
energy-linked reactions in photosynthetic bacteria. vii. inhibition of nad + reduction by phenethylbiguanide. 19724339935
possible regulatory characteristics of the fructose diphosphatase--phosphoribulokinase complex from rhodospirillum rubrum. 19724340121
the permeability of rhodospirillum rubrum chromatophores to thiocyanate and perchlorate as detected by light-induced fluorochrome fluorescence changes and by photophosphorylation. 19724340267
purification of a complex of alkaline fructose 1,6-bisphosphatase and phosphoribulokinase from rhodospirillum rubrum. 19724340701
proton-translocating pyrophosphatase of rhodospirillum rubrum. 19724343931
isolation and properties of succinate dehydrogenase from rhodospirillum rubrum. 19724344128
the effect of bacitracin and ca ++ on the formation of polyprenylpyrophosphates and their incorporation into ubiquinone precursors in mammalian and bacterial systems. 19724344279
thermodynamic and kinetic characterization of electron transfer components in situ in rhodopseudomonas spheroides and rhodospirillum rubrum. 19724344828
studies on the light-dependent synthesis of inorganic pyrophosphate by rhodospirillum rubrum chromatophores.characteristics of inorganic pyrophosphate synthesis from inorganic orthophosphate were examined in chromatophores of rhodospirillum rubrum. the application of an adp-glucose pyrophosphorylase-trapping system has shown in an unequivocal fashion that pyrophosphate is a product of a light-dependent reaction utilizing p(i) as the substrate. only very limited pyrophosphate synthesis takes place in the dark. the rates of synthesis of both atp and pyrophosphate were studied under conditions in which t ...19724345276
specificity of the transhydrogenase factor for chromatophores of rhodopseudomonas spheroides and rhodospirillum rubrum. 19724267407
light-influenced atpase activity: bacterial. 19724274342
investigation of the mechanism of spectral changes in carotenoids in the chromatophores of rhodospirillum rubrum. 19724350135
cell-free biosynthesis of polyprenyl derivatives of p-hydroxybenzoic acid in mammalian and bacterial systems. 19724374945
energy-dependent changes in membranes of rhodospirillum rubrum chromatophores as measured by 8-anilino-naphthalene-1-sulfonic acid. 19724351437
concerted feedback inhibition of the aspartokinase of rhodospirillum tenue by threonine and methionine: a novel pattern.the presence of a single aspartokinase was demonstrated in rhodospirillum tenue. the enzyme has been purified about 60-fold. no physical association exists in this species between aspartokinase and homoserine dehydrogenase. the general properties of the enzyme are described. inhibition by l-lysine, by l-threonine, and concerted inhibition by these two end products are regulatory characters which have also been found in many other species. in r. tenue, aspartokinase is also subject to a hitherto ...19725079065
the fine structure of "resting bodies" of bdellovibrio sp. strain w developed in rhodospirillum rubrum. 19724110832
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