Publications
Title | Abstract | Year(sorted descending) Filter | PMID Filter |
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dark and light repair in ultraviolet-irradiated acholeplasma laidlawii. | 1972 | 5060072 | |
some studies on the fatty acid composition of total lipids and phosphatidylglycerol from acholeplasma laidlawii b and their relation to the premeability of intact cells of this organism. | 1972 | 5070656 | |
selective solubilization with tween 20 of membrane proteins from acholeplasma laidlawaii. | 1972 | 5082994 | |
phase transitions of phospholipid bilayers and membranes of acholeplasma laidlawii b visualized by freeze fracturing electron microscopy. | 1972 | 5082995 | |
the effect of cholesterol and epicholesterol incorporation on the permeability and on the phase transition of intact acholeplasma laidlawii cell membranes and derived liposomes. | 1972 | 5011001 | |
studies on the biological properties of polyene antibiotics. evidence for the direct interaction of filipin with cholesterol. | 1972 | 5012767 | |
[stimulating effect of langat virus on reproduction of mycoplasma laidlawii in combined infection of a primary culture of chick embryo cells]. | 1972 | 4672317 | |
improved activity sedimentation method. | 1972 | 5062881 | |
mycoplasma isolations from clinically normal cats. | 1972 | 5063126 | |
thermal-turbidimetric studies of membranes from acholeplasma laidlawii. | 1972 | 5070088 | |
relations between lipid composition and permeability of membranes. | 1972 | 4680245 | |
[study of mycoplasma isolated from cases of swine pneumonia]. | 1972 | 5081406 | |
polyacrylamide-gel electrophoresis of cell proteins of mycoplasma isolated from cattle and horses. | 1972 | 5017869 | |
distribution of mycoplasmas in the non-pneumonic bovine respiratory tract. | 1972 | 5018036 | |
lipid mobility in acholeplasma membranes using deuteron magnetic resonance. | 1972 | 5041152 | |
osmolar concentration and fixation of mycoplasmas. | broth cultures of acholeplasma laidlawii were fixed with various concentrations of cacodylate-buffered glutaraldehyde. the shape and ultrastructure of the organisms varied with the osmolar concentration of the fixative. when the fixation mixture was hypertonic to the culture medium, ultrathin sections suggested that the cells had shrunk. phosphate buffer, sodium chloride, or sucrose at comparable osmolaities had the same effect as sodium cacodylate. glutaraldehyde itself also contributed to the ... | 1972 | 4555408 |
13 c nmr studies of lipids in bilayers and membranes. | 1972 | 5041946 | |
[morphological properties of mycoplasma laidlawii]. | 1972 | 5042100 | |
plasticity of biological membranes. | 1972 | 4346307 | |
protein-lipid interactions. | 1972 | 4592575 | |
recent studies using nuclear magnetic resonance spectroscopy of lipids and biological membranes. | 1972 | 4580642 | |
eagle's basal medium as a defined medium for mycoplasma studies. | 1972 | 4571002 | |
thiopeptin, a new feed-additive antibiotic: biological studies and field trials. | thiopeptin is a new antibiotic, produced by streptomyces tateyamensis and developed solely for animal use as a feed additive. the antibiotic content in animal tissue and feed was assayed in terms of the antimicrobial activity against mycoplasma laidlawii a. this antibiotic was found to be relatively nontoxic in rats and mice. in chickens, this antibiotic is excreted into feces within 48 hr of administration and is not absorbed in tissue. it is well tolerated in both broilers and swine and is hig ... | 1972 | 4680812 |
studies on the biological properties of polyene antibiotics: comparison of other polyenes with filipin in their ability to interact specifically with sterol. | 1972 | 4565643 | |
permeability and topography of membranes. | 1972 | 4557530 | |
[studies of the biosynthesis of transfer ribonucleic acids]. | 1972 | 4560651 | |
[mycoplasma infection of cattle]. | 1972 | 4562052 | |
the effect of aeration on the growth of acholeplasma (mycoplasma) laidlawii a. | 1972 | 4553303 | |
[comparative characteristics of methods of culturing mycoplasma and l-forms of bacteria and serological reactions used for their identification]. | 1972 | 4555023 | |
the growth and morphology of acholeplasma (mycoplasma) laidlawii a in different media. | 1972 | 4505769 | |
proton magnetic resonance studies of whole human erythrocyte membranes. | 1972 | 4622201 | |
mycoplasma: growth precipitation as a serodiagnostic method. | a serological test is described which is designated the growth precipitation test and is based on the release of diffusible compounds from mycoplasma strains. during growth of mycoplasmas on solid substrates, precipitation lines are formed with antibodies from homologous antisera independent of heat-labile serum factors. the application of the test as a serodiagnostic tool was investigated by performing a complete serological cross-test with 10 mycoplasma strains. the test was compared with the ... | 1972 | 4623280 |
detection of cholesterol in cell membranes by use of bacterial toxins. | a method is described for the detection of cholesterol in membranes from erythrocytes, mycoplasmas, and bacterial cells by a ferritin-labeling technique. membranes treated with cereolysin, a bacterial hemolysin which specifically binds to cholesterol, and then treated with ferritin-antitetanolysin, were specifically ferritin-labeled for cholesterol. a similar antigen-antibody system, streptolysin o-ferritin-antistreptolysin, was also used successfully with erythrocyte membranes. there was an une ... | 1972 | 4623312 |
ultrastructure of mycoplasmatales virus laidlawii i. | 1972 | 4116131 | |
[active glucose transport in mycoplasma laidlawii]. | 1972 | 4636164 | |
hydrolysis of alanine oligopeptides by an enzyme located in the membrane of mycoplasma laidlawii. | 1972 | 4640765 | |
photodynamic killing of acholeplasma laidlawii. | 1972 | 4643094 | |
a phosphatidyl diglucosyl diglyceride from acholeplasma laidlawii b. | 1972 | 4643340 | |
[iron oxidation by mycoplasma laidlawii]. | 1972 | 4643941 | |
survival of acholeplasma laidlawii a and changes in its dna after irradiation with x- and gamma rays. | 1972 | 4644259 | |
antibiotics from mycoplasma. i. acholeplasma laidlawii b. | 1972 | 4645949 | |
[size distribution of colony-forming units in a population of mycoplasma laidlawii]. | 1972 | 4657956 | |
[sensitivity of mycoplasmas to spiramycin]. | 1972 | 4669219 | |
the structure of a glycerylphosphoryldiglucosyl diglyceride from the lipids of acholeplasma laidlawii strain b. | 1. the phosphatidylglucose structure proposed previously (smith & henrikson, 1965) for the glucose-containing phospholipid from acholeplasma laidlawii is incorrect. 2. the structure now proposed is 3-(sn-glycerol-3-phosphoryl-6'-[o-alpha-d-glucopyranosyl-(1-->2)-o-alpha-d-glucopyranosyl])- sn-1,2-diglyceride, a new type of bacterial lipid. 3. deacylation of the lipid gave a single water-soluble phosphate ester which could be distinguished on chromatography from synthetic samples of glucosylphosp ... | 1972 | 4345854 |
fungistatic activity of lucerne saponins and digitonin as related to sterols. | 1972 | 4676387 | |
lack of interaction between sendai virus and bacterial cells. | 1972 | 4338794 | |
characterization of the myoplasma membrane proteins. 3. gel filtration and immunological characterization of acholeplasma laidlawii membrane proteins. | 1972 | 4339322 | |
elimination of mycoplasma contaminants from virus stocks by treatment with nonionic detergents. | five nonionic detergents (tweens 20, 40, 60, and 80, and triton wr-1339) were tested for their ability to inactivate four mycoplasma species which are common contaminants of animal cell cultures. tween 20 was found to be the most effective, in that a concentration of 2.5 mg/ml completely inactivated cultures of m. hominis, m. hyorhinis, and acholeplasma laidlawii within 1 hr and a culture of m. orale within 3 hr. the other detergents exhibited various degree of activity against the different myc ... | 1972 | 4341521 |
[immunodepressive effect of mycoplasma laidlawii on the formation of humoral antibodies in mice]. | 1972 | 4344075 | |
silicotungstate negative staining of acholeplasma laidlawii membranes and lipids. | 1972 | 4118305 | |
glutamate dehydrogenase from mycoplasma laidlawii. | mycoplasma laidlawii possesses a single glutamate dehydrogenase (gdh) with dual coenzyme specificity [specificity for nicotinamide adenine dinucleotide (h) and nicotinamide adenine dinucleotide phosphate (h)]. a purification procedure is reported which results in an enzyme preparation with a specific activity of 79.5 units/mg and which displays only one significant protein band after gel electrophoresis. this one band was determined, by activity staining, to have all of the gdh nucleotide specif ... | 1972 | 4112954 |
electron microscope observations on acholeplasma laidlawii viruses. | 1972 | 4114278 | |
[mycoplasma (acholeplasma laidlawii) from cold blood cell cultures]. | 1972 | 4145171 | |
[influence of thallium acetate on the growth of acholeplasmataceae, mycoplasmataceae, and some bacteria species]. | 1972 | 4145172 | |
[morphological differentiation of some strains of mycoplasma gallisepticum against different mycoplasma species on solid medium]. | 1972 | 4145213 | |
the temperature requirements of growth of some mycoplasmas. | 1972 | 4146501 | |
mycoplasmatales virus-laidlawii 2, a new virus isolated from acholeplasma laidlawii. | 1971 | 4106810 | |
phosphatase activity of some mycoplasma species. | 1971 | 4361836 | |
isolation and identification of porcine mycoplasma in switzerland. | 1971 | 4946169 | |
[the effects of glucose on mycoplasma]. | 1971 | 4947989 | |
mycoplasmas in cell cultures from rheumatoid synovial membranes. | ten strains of myocoplasmas were recovered from cultures of synovium or cultures inoculated with synovial fragments from rheumatoid arthritis and one from osteo-arthritis. the source of the organisms is not known. patients with rheumatoid arthritis had no complement-fixing antibody and no fluorescent staining antibody against the mycoplasmas isolated and no mycoplasma antigen was detected by immunofluorescence in sections of synovia and in synovial fluids.the strains isolated were of two main se ... | 1971 | 4948122 |
a membrane-bound lysophospholipase from mycoplasma laidlawii strain b. | 1971 | 4993729 | |
[ultrastructure and development of colonies of a strain of mycoplasma laidlawii in solid media]. | 1971 | 5002964 | |
incorporation of penicillinase into reaggregated mycoplasma membranes. | 1971 | 5003616 | |
characterization of the mycoplasma membrane proteins. ii. solubilization and enzymic activities of acholeplasma laidlawii membrane proteins. | 1971 | 4334752 | |
[biochemical investigations on 10 strains of mycoplasma laidlawii]. | 1971 | 5105631 | |
lipid bilayer structure in the membrane of mycoplasma laidlawii. | 1971 | 5088924 | |
transfer ribonucleic acid from mycoplasma laidlawii a. | 1971 | 5545013 | |
presence of two dna populations in mycoplasma laidlawii. | 1971 | 5551322 | |
[fractionation of the population of mycoplasma laidlawii in urografin density gradient]. | 1971 | 5567637 | |
[effect of mycoplasma-viral infection of a primary culture of chick embryo cells on interferon production induced by langat virus]. | 1971 | 5167284 | |
peptidase activity in the membranes of mycoplasma laidlawii. | 1971 | 5117556 | |
structural comparisons of native and reaggregated membranes from mycoplasma laidlawii and erythrocytes by x-ray diffraction and nuclear magnetic resonance techniques. | 1971 | 5159791 | |
structural comparisons of native and reaggregated membranes from mycoplasma laidawii and erythrocytes using a fluorescence probe. | 1971 | 5159792 | |
immunogenicity of cytolipin h aggregated with acholeplasma laidlawii membrane proteins. | 1971 | 5165763 | |
induction of alpha-glucosidase in mycoplasma laidlawii a. | 1971 | 5283618 | |
kinetics of sodium dodecyl sulfate solubilization of mycoplasma laidlawii plasma membranes. | the kinetics of sodium dodecyl sulfate solubilization of aqueous suspensions of mycoplasma laidlawii membranes have been investigated by light scattering in a stopped-flow apparatus. there was evidence of direct interaction between the membranes and sodium dodecyl sulfate micelles above the critical micelle concentration, although of lower order kinetically than with monomeric dodecyl sulfate anions below the critical micelle concentration. the activation energy remained the same in either case, ... | 1971 | 5289357 |
[etiology and diagnosis of porcine mycoplasmosis. 3. pathological, anatomical and histological studies of experimentally infected suckling pigs]. | 1971 | 5131929 | |
characterization of the mycoplasma membrane proteins. i. reaggregation of solubilized membrane proteins of acholeplasma laidlawii. | 1971 | 5141123 | |
the microscopic examination of the apollo-11 and -12 sample and the quest for life forms. | 1971 | 5142391 | |
[serologic differentiation between acholeplasma laidlawii (mycoplasma laidlawii) and acholeplasma granularum (mycoplasma granularum) strains using agglutination and precipitation]. | 1971 | 5169114 | |
production and properties of antisera to membrane glycolipids of mycoplasma pneumoniae. | the glycolipid haptens of mycoplasma pneumoniae became immunogenic when bound to membrane proteins of acholeplasma laidlawii by reaggregation. this process consisted of the solubilization of lipid-depleted a. laidlawii membranes and m. pneumoniae glycolipids in 20 mm sodium dodecyl sulfate and dialysis of the mixed solutions against 20 mm mg(2+). the antibodies produced in rabbits to the reaggregated glycolipids inhibited the metabolism of m. pneumoniae, fixed complement with m. pneumoniae glyco ... | 1971 | 16557990 |
phase transitions and bilayer structure of mycoplasma laidlawii b. | 1971 | 11945568 | |
electron microscopy of solubilized acholeplasma laidlawii membrane proteins reaggregated with mycoplasma pneumoniae glycolipids. | 1971 | 5579139 | |
the relationship between fatty acid structure and the positional distribution of esterified fatty acids in phosphatidyl glycerol from mycoplasma laidlawii b. | 1970 | 5417177 | |
ph-dependent changes in density of plasma membranes of growing mycoplasma laidlawii cells. | 1970 | 11945407 | |
incorporation and elongation of fatty acid isomers by mycoplasma laidlawii a. | 1970 | 5412665 | |
x-ray diffraction studies of phase transitions in the membrane of mycoplasma laidlawii. | 1970 | 5413340 | |
immunogenicity of mycoplasma pneumoniae glycolipids: a novel approach to the production of antisera to membrane lipids. | the glycolipid haptens of mycoplasma pneumoniae were bound to membrane proteins of acholeplasma laidlawii (formerly mycoplasma laidlawii) by reaggregation. this process consisted of the solubilization of lipid-depleted a. laidlawii membranes and m. pneumoniae glycolipids in 20 mm sodium dodecyl sulfate, and dialysis of the mixed solutions against 20 mm mg(2+). the hybrid reaggregate, collected by centrifugation, was highly immunogenic in rabbits, eliciting the production of a high titer of antib ... | 1970 | 4943173 |
isolation of a virus infecting a strain of mycoplasma laidlawii. | 1970 | 5418254 | |
calorimetric detection of a membrane-lipid phase transition in living cells. | the membrane lipids in living mycoplasma laidlawii exhibit a phase transition characteristic of that from crystal to liquid crystal within the bilayer conformation. the transition occurs at the same temperature in viable organisms, membranes isolated from the organisms, and isolated membrane lipids. the enthalpy of the transition in the membrane is compared with that of an aqueous suspension of isolated membrane lipids. the result is consistent with presence of an extended lipid bilayer in the n ... | 1970 | 5420540 |
characterization of the plasma membrane of mycoplasma laidlawii. vii. phase transitions of membrane lipids. | 1970 | 5473498 | |
native and reformed mycoplasma laidlawii membranes compared by freeze-etching. | 1970 | 5473500 | |
the effect of alterations in fatty acid composition and cholesterol content on the permeability of mycoplasma laidlawii b cells and derived liposomes. | 1970 | 5473512 | |
amended nomenclature for strains related to mycoplasma laidlawii. | 1970 | 5487182 | |
metabolic turnover of the polar lipids of mycoplasma laidlawii strain b. | the fatty acyl groups of the membrane polar lipids of mycoplasma laidlawii b were radioactively labeled by growth in the presence of (14)c-palmitic, oleic, or linoleic acids. no loss of radioactivity from any of the polar lipids occurred during incubation of radiolabeled cells in growth medium containing various nonradioactive fatty acids, although growth and lipid biosynthesis continued throughout the incubation period. the metabolism of the glucose and phosphate moieties was also studied in a ... | 1970 | 5411758 |
cholesterol requirement of mycoplasmas. | cholesterol requirement for growth of mycoplasmas was tested in a serum-free medium supplemented with albumin, l-arginine, palmitic acid, and various concentrations of cholesterol dissolved in tween 80. in cases in which tween 80 was shown to inhibit growth, the test medium was supplemented with cholesterol dissolved in ethanol. of the 31 species examined, all but mycoplasma laidlawii, m. granularum, and mycoplasma species strain s-743 exhibited a growth response to cholesterol. no requirement f ... | 1970 | 4911537 |
acholeplasma axanthum, sp. n.: a new sterol-nonrequiring member of the mycoplasmatales. | mycoplasmas recovered from tissue cultures and previously shown to belong to the sterol-nonrequiring group of mycoplasmas have been further characterized. the biological and serological properties of these strains show them to be clearly distinct from acholeplasma laidlawii and a. granularum, two species of sterol-nonrequiring mycoplasmas recently reclassified. it is proposed that the newly described mycoplasmas be designated acholeplasma axanthum, sp. n. | 1970 | 4919991 |
ultrastructure of mycoplasma laidlawii during culture development. | mycoplasma laidlawii b has been studied by phase-contrast and electron microscopy (thin-section and negative staining). exponential-phase cells are filaments with the following structures: surface unit membrane, nuclear material, ribosomes, and intracellular granular region. these cells appear to reproduce by binary fission. in stationary phase, the filamentous cells have numerous constrictions, giving them a beaded appearance. nonviable death-phase cultures contain cellular debris: swollen cell ... | 1970 | 4192565 |
the synthesis of long-chain fatty acids by a cell-free system from mycoplasma laidlawii a. | 1970 | 4391501 |