Publications
| Title | Abstract | Year Filter | PMID(sorted descending) Filter |
|---|
| heterotrophic growth of blue-gren algae in dim light. | a unicellular blue-green alga, agmenellum quadruplicatum, and a filamentous blue-green alga, lyngbya lagerheimíi, were grown heterotrophically in dim light with glucose as major source of carbon and possibly energy. the dim-light conditions did not support autotrophic growth. the two blue-green algae appeared to have the same metabolic block, namely an incomplete tricarboxylic acid cycle, as has been found in other obligately phototrophic blue-green algae. under dim-light conditions, glucose mad ... | 1971 | 4994034 |
| [biosynthesis of thiamine, riboflavin and vitamin b12 by some blue-green algae]. | 1970 | 4993968 | |
| gas vacuoles. light shielding in blue-green algae. | 1971 | 4993483 | |
| [effect of nitrogen-fixing blue-green algae on crop plants]. | 1969 | 4993451 | |
| electron spin resonance of chlorophyll and the origin of signal i in photosynthesis. | a comparison has been made between signal i, the photo-electron spin resonance signal associated with the primary light conversion act in photosynthesis, and free-radical signals generated in various chlorophyll species in vitro. the esr signals obtained from chlorophyll.monomer, (chl.l)(+.), chlorophyll dimer, (chl(2))(+.), and chlorophyll oligomer, (chl(2))(n) (+.), are broader than signal i, whereas the chlorophyll-water adduct, (chl.h(2)o)(n) (+.), gives a signal very much narrower than sign ... | 1971 | 4993385 |
| [metabolically active spheroplasts of blue-green algae]. | 1970 | 4993267 | |
| nitrogenase activity in extracts of heterocystous and non-heterocystous blue-green algae. | 1970 | 4992980 | |
| [lipids of some strains of nitrogen fixing blue-green algae]. | 1969 | 4992714 | |
| [molybdenum requirements of several nitrogen-fixing blue-green algae]. | 1970 | 4992443 | |
| the effect of light on growth and development of two nitrogen fixing blue-green algae. | 1970 | 4992044 | |
| one-dimensional pattern found in blue-green algae. | 1970 | 4990855 | |
| lysis of blue-green algae by myxobacter. | enrichment from local fishponds led to the isolation of a bacterium capable of lysing many species of unicellular and filamentous blue-green algae, as well as certain bacteria. the isolate is an aflagellate, motile rod which moves in a gliding, flexuous manner; the organism is capable of digesting starch and agar, but not cellulose and gelatin. its deoxyribonucleic acid base pair composition (per cent guanine plus cytosine approximately 70) shows a close resemblance to that of the fruiting myxob ... | 1970 | 4990764 |
| [glucokinase activity of some green and blue-green algae]. | 1970 | 4990492 | |
| [carotenoids of the blue-green algae anacystis nidulans]. | 1969 | 4990485 | |
| [utilization by higher plants of nitrogen fixed from the atmosphere by blue-green algae]. | 1969 | 4990417 | |
| morphology of a virus of blue-green algae and properties of its deoxyribonucleic acid. | the morphology of safferman's virus of blue-green algae (phycovirus lpp-1) has been studied by electron microscopy and physicochemical methods. the virion has a short (100 to 200 a long, 150 a in diameter) forked tail, with an outer sheath, an inner core, and a capital attached to one of the vertices of a polyhedral head. the head capsid edge-to-edge distance is 600 a, based upon internal calibration of the magnification in electron micrographs by use of the line-line spacing of catalase crystal ... | 1967 | 4990040 |
| possible evolutionary significance of polyunsaturated fatty acids in blue-green algae. | 1970 | 4988959 | |
| on biological nitrogen fixation in nature, particularly in blue-green algae. | 1970 | 4988906 | |
| studies with deoxyribonucleic acid from blue-green algae. | 1969 | 4988685 | |
| characteristics of a stable, filamentous mutant of a coccoid blue-green alga. | filamentous mutants were induced in a coccoid blue-green alga, agmenellum quadruplicatum strain bg1, after treatment with n-methyl-n'-nitro-n-nitrosoguanidine (ntg). the mutants fall into two general classes: filaments with cross walls and filaments without cross walls. all mutants of these general types derived from bg1 are stable and have growth rates the same as or very similar to the wild type under a variety of conditions. detailed examination of one mutant, 53sb2, revealed no difference in ... | 1970 | 4988043 |
| wall development and tetrazolium chloride reduction in heterocysts of blue-green algae, anabaena ambigua. | 1970 | 4987427 | |
| biosynthesis of phytoquinones. homogentisic acid: a precursor of plastoquinones, tocopherols and alpha-tocopherolquinone in higher plants, green algae and blue-green algae. | 1. by means of (14)c tracer experiments and isotope competition experiments the roles of d-tyrosine, p-hydroxyphenylpyruvic acid, p-hydroxyphenylacetic acid, phenylacetic acid, homogentisic acid and homoarbutin (2-methylquinol 4-beta-d-glucoside) in the biosynthesis of plastoquinones, tocopherols and alpha-tocopherolquinone by maize shoots was investigated. it was established that d-tyrosine, p-hydroxyphenylpyruvic acid and homogentisic acid can all be utilized for this purpose, whereas p-hydrox ... | 1970 | 4986835 |
| biological nitrogen fixation in lake erie. | biological nitrogen fixation, as determined by acetylene reduction, occurs in lake erie. fixation potential by blue-green algae in situ in water and by bacteria in collected sediments was demonstrated. nitrogen-fixing activity occurred from june through november suggesting that it is significant over the extremes of seasonal variation in light, temperature, and nutrients. | 1970 | 4986715 |
| nitrogen chlorosis in blue-green algae. | 1969 | 4986616 | |
| thermophilic blue-green algae and the thermal environment. | 1969 | 4984428 | |
| free amino acid composition of some nitrogen fixing blue-green algae in heterocystous and non-heterocystous conditions. | 1970 | 4983791 | |
| comparative study of the structure of gas vacuoles. | the fine structure of gas vacuoles was examined in two blue-green algae, two green bacteria, three purple sulfur bacteria, and two halobacteria. the gas vacuole is a compound organelle, composed of a variable number of gas vesicles. these are closed, cylindrical, gas-containing structures with conical ends, about 80 to 100 nm in width and of variable length, ranging from 0.2 to over 1.0 mum. the wall of the gas vesicle is a non-unit membrane 2 to 3 nm in thickness, bearing very regular striation ... | 1969 | 4982667 |
| [role of nitrogen fixing blue-green algae in the soil of mecklenburg]. | 1967 | 4981705 | |
| [carbohydrates of some blue-green algae]. | 1969 | 4981326 | |
| nitrogenase activity in heterocysts of blue-green algae. | 1969 | 4981122 | |
| biochemical basis of obligate autotrophy in blue-green algae and thiobacilli. | differential rates of incorporation of sugars, organic acids, and amino acids during autotrophic growth of several blue-green algae and thiobacilli have been determined. in obligate autotrophs (both blue-green algae and thiobacilli), exogenously furnished organic compounds make a very small contribution to cellular carbon; acetate, the most readily incorporated compound of those studied, contributes about 10% of newly synthesized cellular carbon. in thiobacillus intermedius, a facultative chemoa ... | 1967 | 4963789 |
| [blue-green algae as producers of toxic substances]. | 1968 | 4903619 | |
| cytophaga that kills or lyses algae. | a myxobacterium (cytophaga n-5) isolated from sewage kills or lyses an array of living green and blue-green algae. when assayed with nostoc muscorum or plectonema boryanum, plaques form like those caused by the blue-green algal virus lpp-1. this isolate lyses or inhibits mutually gram-positive and gram-negative eubacteria. | 1969 | 4891858 |
| is the heterocyst the site of nitrogen fixation in blue-green algae? | 1968 | 4880705 | |
| ecology, physiology, and biochemistry of blue-green algae. | 1968 | 4880646 | |
| the fine structure of blue-green algae. | 1968 | 4879516 | |
| the veterinarian's part in the regulation of the movement of livestock and meat. | 2015 | 4675709 | |
| physiology and cytological chemistry blue-green algae. | 1973 | 4633592 | |
| [flexibacterium lyzing blue-green algae]. | 1972 | 4633037 | |
| ammonia assimilation in blue-green algae. | 1973 | 4632607 | |
| simulation of organisms using a developmental model. 2. the heterocyst formation problem in blue-green algae. | 1972 | 4631547 | |
| formation of hybrid proteins form the and subunits of phycocyanins of unicellular and filamentous blue-green algae. | 1973 | 4630850 | |
| ribosomal ribonucleic acid and ribosomal precursor ribonucleic acid in anacystis nidulans. | the rna of the blue-green alga anacystis nidulans contains three ribosomal rna species with molecular weights of 0.56x10(6), 0.9x10(6), and 1.1x10(6) if the rna is extracted in the absence of mg(2+). the 0.9x10(6)mol.wt. rrna is extremely slowly labelled in (32)p-incorporation experiments. this rrna may be a cleavage product of the 1.1x10(6)mol.wt. rrna from the ribosomes of cells in certain physiological states (e.g. light-deficiency during growth). the cleavage of the 1.1x10(6)mol.wt. rrna dur ... | 1972 | 4630449 |
| blue-green algae: why they become dominant. | the injection of carbon dioxide and the addition of nitrogen and phosphorus to a lake population dominated by blue-green algae results in a rapid shift to dominance by green algae. the basis for the change and its implications are discussed. | 1973 | 4630211 |
| [molybdenum and cobalt requirements of nitrogen-fixing blue-green algae with different nitrogen sources]. | 1972 | 4630048 | |
| the activity of deoxyribonucleic acid polymerase in some species of algae. | 1. the activities of dna polymerase preparations from the algae euglena gracilis, chlamydomonas reinhardtii, chlorella pyrenoidosa, anabaena variabilis and anacystis nidulans were measured. the blue-green algae anabaena and anacystis contain a 5-20-fold higher activity of the enzyme than do the green algae. dna polymerases from the blue-green algae show a ph optimum of 9 and prefer a relatively low mg(2+) concentration (1-3mm). dna polymerases from the green algae, however, display a ph optimum ... | 1972 | 4629975 |
| tetrazolium reduction and nitrogenase activity in heterocystous blue-green algae. | 1972 | 4629416 | |
| metabolism of glucose by unicellular blue-green algae. | 1972 | 4629415 | |
| light effect on the internal osmotic pressure of the blue-green algae plectonema boryanum and phormidium luridum. | 1972 | 4629378 | |
| characterization of the ribosomal ribonucleic acids of blue-green algae. | 1972 | 4628668 | |
| photosynthetic and dark carbon metabolism in unicellular blue-green algae. | 1972 | 4628178 | |
| photooxidative death in blue-green algae. | when incubated in the light under 100% oxygen, wild-type blue-green algae (anacystis nidulans, synechococcus cedrorum) die out rapidly at temperatures of 4 to 15 c, and at 35 c (or at 26 c in the case of s. cedrorum) in the absence of co(2). photosynthesis is impaired in these cells long before they die. blocking of photosystem ii at high temperatures in the presence of co(2) sensitizes the algae to photooxidative death. photooxidative death and bleaching of photosynthetic pigments are separable ... | 1972 | 4626540 |
| antimicrobial effects of cellvibrio on blue-green algae. | 1972 | 4626336 | |
| mesosomes in blue-green algae. | 1972 | 4626335 | |
| [correlation of photo-induced ph changes in cell suspensions of obligate phototrophic blue-green algae with photosynthetic o2 evolution and after-light respiration]. | 1972 | 4625445 | |
| [photoinduced ph changes in cell suspensions of the blue-green algae anabaena variabilis and synechosystis aquatilis]. | 1972 | 4625326 | |
| [intercellular interactions and recovery of the population of plectonema boryanum blue-green algae following gamma-irradiation]. | 1972 | 4624190 | |
| [blue-green algae in norwegian inland waters. the possible health consequences in man and animals]. | 1972 | 4623926 | |
| [serological investigations on thylakoids of photosynthetic bacteria and blue-green algae]. | 1972 | 4623872 | |
| fatty acid composition and physiological properties of some filamentous blue-green algae. | 1972 | 4623694 | |
| photooxidation of 3,3'-diaminobenzidine by blue-green algae and chlamydomonas reinhardii. | 1972 | 4623089 | |
| homology between nucleic acids of blue-green algae and chloroplasts of euglena gracilis. | ribosomal rna from several blue-green algae was hybridized to dna from euglena gracilis chloroplasts by the membrane filter procedure. this hydridization was competitive with chloroplast ribosomal rna and indicates significant genetic homology between blue-green algae and plastids from euglena gracilis. | 1972 | 4621951 |
| fatty acid composition of unicellular strains of blue-green algae. | the fatty acids of 34 strains of unicellular blue-green algae provisionally assigned to the genera synechococcus, aphanocapsa, gloeocapsa, microcystis, and chlorogloea by stanier et al. have been chemically characterized. the strains analyzed can be divided into a series of compositional groups based upon the highest degree of unsaturation of the major cellular fatty acids. twenty strains fall into the group characterized by one trienoic fatty acid isomer (alpha-linolenic acid), and seven strain ... | 1972 | 4621688 |
| preliminary analysis of lipids and fatty acids of green bacteria and chloroflexus aurantiacus. | the complex lipids and fatty acids of the seven type species of green bacteria and three strains of chloroflexus aurantiacus were analyzed. the green bacteria contained lipids that behaved as cardiolipin and phosphatidylglycerol on thin-layer chromatography. they did not contain phosphatidylethanolamine or phosphatidylserine. similarly, chloroflexus contained lipids that behaved as phosphatidylglycerol and phosphatidylinositol on thin-layer chromatography and did not contain phosphatidylethanola ... | 1974 | 4421249 |
| the heterocysts of blue-green algae. 3. differentiation and nitrogenase activity. | 1972 | 4403286 | |
| oxidation--reduction properties of phytoflavin, a flavoprotein from blue-green algae. | 1972 | 4402991 | |
| growth of the blue-green algae virus lpp-1 under conditions which impair photosynthesis. | 1971 | 4399444 | |
| respiration in blue-green algae. | the low rate of endogenous respiration exhibited by the blue-green algae anacystis nidulans and phormidium luridum was not increased by the addition of respiratory substrates. however, endogenous respiration was inhibited by low concentrations of cyanide and by high carbon monoxide tensions. in addition, the uncouplers dinitrophenol and carbonyl cyanide p-trifluoromethoxyphenylhydrazone both stimulated the respiratory rate. the transition of cells from the aerobic steady state to anaerobiosis wa ... | 1969 | 4390093 |
| special aspects of nitrogen fixation by blue-green algae. | 1969 | 4389401 | |
| reduced nicotinamide-adenine dinucleotide phosphate oxidase in the autotrophic blue-green algae anabaena variabilis. | 1968 | 4386501 | |
| phosphate metabolism in blue-green algae. i. fine structure of the "polyphosphate overplus" phenomenon in plectonema boryanum. | 1974 | 4371465 | |
| [gas vacuoles in blue-green algae and bacteria]. | 1974 | 4366354 | |
| soluble & membrane-bound superoxide dismutases in a blue-green algae (spirulina)and spinach. | 1974 | 4364622 | |
| the detection of a bound ferredoxin in the photosynthetic lamellae of blue-green algae and other oxygen evolving photosynthetic organisms. | 1973 | 4350064 | |
| [mutagenesis in blue-green algae synechocystis aquatilis sanv]. | 1971 | 4347182 | |
| a comparison of the fine structure and nucleic acid biochemistry of chloroplasts and blue-green algae. | 1971 | 4326562 | |
| udp-d-glucuronate 4-epimerase in blue-green algae. | 1969 | 4306269 | |
| nadh oxidase in blue-green algae. | 1968 | 4300766 | |
| studies on the toxicity of polymyxin b to blue-green algae. | 1967 | 4292854 | |
| extracellular products of blue-green algae. | 1965 | 4285448 | |
| [nitrogen excretion by nitrogen fixing blue-green algae. i. growth of anabaena cylindriea and nostoc muscorum in various media, at different temperatures, and under light of different wavelengths (author's transl)]. | 1973 | 4272180 | |
| photosynthetic nitrogen fixation by blue-green algae. | 1972 | 4218898 | |
| [concentration of several polyvalent metals in blue-green algae]. | 1974 | 4217423 | |
| d-ribulose 1, 5-diphosphate carboxylase from blue-green algae. | 1974 | 4216351 | |
| estimation of the genome size of blue-green algae from dna renaturation rates. | 1974 | 4215395 | |
| control of macromolecular composition and cell division in the blue-green algae anacystis nidulans. | 1974 | 4214895 | |
| the program of protein synthesis during heterocyst differentiation in nitrogen-fixing blue-green algae. | 1974 | 4214619 | |
| [oxygen consumption by blue-green algae]. | 1974 | 4214568 | |
| photochemical activity and components of membrane preparations from blue-green algae. ii. low-temperature photooxidation of cytochrome b559. | 1974 | 4214171 | |
| the isolation of gas vesicles from blue-green algae. | 1974 | 4214028 | |
| [reactivity of the volatile exometabolites of some blue-green algae, bacteria, fungi and actinomycetes]. | 1974 | 4211622 | |
| [liberation of molecular hydrogen by cultures of blue-green algae]. | 1973 | 4209236 | |
| [electron miscroscopic study of the morphogenesis of the blue-green algae virus]. | 1973 | 4208366 | |
| [a study of the dying off of blue-green algae in the dark]. | 1974 | 4208198 | |
| [formation of the infectious form of the blue-green algae virus in plant tissue culture]. | 1973 | 4205965 | |
| [lysis of blue-green algae by an agent of nonviral character]. | 1973 | 4205238 | |
| phycobilisomes in blue-green algae. | fifteen species of freshwater blue-green algae, including unicellular, filamentous, and colonial forms, were subjected to a variety of fixatives, fixation conditions, and stains for comparison of the preservation of phycobilisomes. absorption spectra of the corresponding in vivo and released photosynthetic pigments, in 10 of the species that were maintained in culture, demonstrated the presence of phycocyanin in all 10 species and phycoerythrin in only 2 of them. spectroscope and electron micros ... | 1974 | 4204443 |
| cyanophages-viruses attacking blue-green algae. | 1973 | 4202147 | |
| [effect of carbon-containing compounds on the chromatic characteristics of anacystis nidulans blue-green algae]. | 1973 | 4201591 | |
| the labeling of nucleic acids by radioactive precursors in the blue-green algae anacystis nidulans and synechocystis aquatilis sanv. | 1973 | 4201019 |