Publications

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the application of a two-dimensional paper-chromatographic technique to the analysis of phospholipids. 19644284500
[studies with fluorescent antibodies of growing bacteria. i. regeneration of the cell wall in diplococcus pneumoniae]. 19644378578
the time-course of spore germination. 19644953742
reactions of 6-aminopenicillanic acid with carbohydrates and related substances. 19644953772
species specificity of ribosomal rna methylases. 19644959035
a substance produced by competent bacillus cereus 569 cells that affects transformability. 19644959036
glyoxylate metabolism in growth and sporulation of bacillus cereus.megraw, robert e. (iowa state university, ames), and russell j. beers. glyoxylate metabolism in growth and sporulation of bacillus cereus. j. bacteriol. 87:1087-1093. 1964.-isocitrate lyase and malate synthetase were found in cell-free extracts of bacillus cereus t. the patterns of synthesis of enzymes of the glyoxylic acid cycle were dependent upon the medium in which the organism was grown. cells grown in acetate or in an acetate precursor, such as glucose, produced enzymes of the glyoxylic ac ...19644959795
effects of temperatures above the maximum for germination on the endospore of bacillus cereus.knaysi, georges (cornell university, ithaca, n.y.). effects of temperatures above the maximum for germination on the endospore of bacillus cereus. j. bacteriol. 87:1129-1136. 1964.-this is chiefly a study of heat activation and of the instability observed in spores of bacillus cereus exposed to high temperatures. temperatures up to 80 c for periods up to 6 hr were used. the spores were in colonies grown on collodion films, and were observed with the phase microscope, in dark contrast, for any ev ...19644959797
antigen changes during spore formation in bacillus cereus.baillie, ann (university of glasgow, glasgow, scotland), and john r. norris. antigen changes during spore formation in bacillus cereus. j. bacteriol. 87:1221-1226. 1964.-ultrasonic extracts of bacillus cereus cells harvested at different stages in spore formation were analyzed by immunoelectrophoresis with antisera prepared by injecting similar extracts into rabbits. seven antigens resistant to heating at 80 c for 10 min were detected in extracts of young vegetative cells, and there were at leas ...19644959801
[electron microscopic and cytochemical study of nuclear material in bacillus cereus in different stages of culture development]. 19654958805
[light and electron microscopic study of the action of enzymes on the bacterial cell wall]. 19654959005
[method of fluorescent antibodies in the study of the antigenic structure of bacteria]. 19654961123
[cloxacillin and its microbiological study]. 19654966106
the actions of thioguanine in bacillus cereus. 19654953933
[frequency of bacillus cereus in minced-meat and sausages]. 19654954222
naphcillin and its microbiological study. 19654954414
causality and cancer research. 19654954472
metabolism of poly-beta-hydroxybutyrate and acetoin in bacillus cereus.kominek, leo a. (university of illinois, urbana), and h. orin halvorson. metabolism of poly-beta-hydroxybutyrate and acetoin in bacillus cereus. j. bacteriol. 90:1251-1259. 1965.-the synthesis of poly-beta-hydroxybutyrate (phb) in bacillus cereus strain t begins after the cessation of logarithmic growth. its accumulation is preceded by the formation of acetoacetyl coenzyme a reductase, an enzyme used for its biosynthesis. exogenous acetic acid present in the medium owing to incomplete glucose ox ...19654954554
autolytic mechanism for spheroplast formation in bacillus cereus and escherichia coli.mohan, raam r. (warner-lambert research institute, morris plains, n.j.), donald p. kronish, roland s. pianotti, ray l. epstein, and benjamin s. schwartz. autolytic mechanism for spheroplast formation in bacillus cereus and escherichia coli. j. bacteriol. 90:1355-1364. 1965.-spheroplasts of bacillus cereus strain t and escherichia coli b were prepared by incubating early log-phase cells in appropriate buffers and stabilizers for 3 hr at 30 and 37 c, respectively. upon incubation in 0.05 m tris(hy ...19654954555
multiple septation in variants of bacillus cereus.remsen, c. c. (syracuse university, syracuse, n.y.), and d. g. lundgren. multiple septation in variants of bacillus cereus. j. bacteriol. 90:1426-1431. 1965.-abnormal nonsporulating cells observed in cultures containing predominantly endospores were examined in an electron microscope. one or more septa were seen which consisted of cell-wall material between two unit membranes. numerous membrane swirls were often seen associated with the septa. some of the reported structural features of the vari ...19654954558
methyl dipicolinate monoester from spores of bacillus cereus var. globigii. 19654954561
modification of the cary model 14 recording spectrophotometer for low-temperature spectroscopy. 19654954882
[reproducibility of food poisoning in cats caused by bacillus cereus]. 19654955051
differential media for the identification of bacillus anthracis.knisely, ralph f. (u.s. army biological laboratories, fort detrick, frederick, md.). differential media for the identification of bacillus anthracis. j. bacteriol. 90:1778-1783. 1965.-two new differential media for the identification of bacillus anthracis are described. phenethyl alcohol and chloral hydrate were used as selective ingredients. these media should aid in the differentiation of b. anthracis from b. cereus and, if used in conjunction with other differential tests, they should also di ...19654955058
5-halogenopyrimidines. 3. microbial hydroxylation of 5-halogenopyrimidines. 19654955085
spores of microorganisms. xvii. the fate of preexisting diaminopimelic acid-containing structures during germination and postgerminative development of bacterial spores. 19654955086
spores of microorganisms. 18. the synthesis of new cell wall during postgerminative development of bacterial spores and its alteration by antibiotics. 19654955087
inferences from the distribution of pyrimidine isostichs in deoxyribonucleic acids. 19654953575
coding properties of srna containing 8-azaguanine. 19654953642
amino acid acceptor and transfer functions of srna containing 8-azaguanine. 19654953643
enhanced messenger activity of rna from 8-azaguanien-treated bacillus cereus. 19654953698
membrane-bound messenger rna and polysomes in sporulating bacteria. 19654955347
[decrease of antibiotic effect of tetracyclines by the action of staphylococci]. 19654955445
[distribution of sporogenous forms of bacteria in different types of the soil]. 19654955454
separation, characteristics and minimal amino-acid requirements of six variants derived from a strain of bacillus cereus. 19654955876
[effect of the oxidation-reduction potential on the development of bacteria in algal cultures]. 19654955987
cephalosporinase and penicillinase activity of bacillus cereus. 19654956798
[poisoning by fish infected with bac. cereus]. 19654956824
growth of lettuce and cauliflower tissues in vitro and their production of antimicrobial metabolities. 19654956862
enzymic behaviour of the cephalosporins. 19654956893
radiochemical determination of the endogenous and exogenous respiration of bacterial spores. 19654956348
on the nature of the deoxyribonucleic acid methylases. biological evidence for the multiple nature of the enzymes. 19654956424
studies on the secondary structure of soluble ribonucleic acid containing 8-azaguanine. 19654956457
phospholipase c from bacillus cereus, a zinc-requiring metalloenzyme. 19654956499
asymmetric rna synthesis in vitro: heterologous dna-enzyme systems; e. coli rna polymerase. 19654958034
transfer of amino acids from aminoacyl soluble ribonucleic acid to protein by cell-free extracts from yeast. 19654958277
[reduction of perchlorate by bacteria. ii. the identity of nitrate reductase and pechlorate-reducing enzymes from b. cereus]. 19654379212
the action of arsenic on bacillus cereus. 19654379757
observations on biochemical changes in irradiated spores of bacillus cereus. 19655006489
[nitrate reduction by cell-free extracts from bacillus cereus]. 19654286533
differential cytotoxicity of bacillus anthracis and bacillus cereus culture filtrates. 196516562033
characterization of the phospholipases of bacillus cereus and their effects on erythrocytes, bone, and kidney cells.slein, milton w. (fort detrick, frederick, md.), and gerald f. logan, jr. characterization of the phospholipases of bacillus cereus and their effects on erythrocytes, bone, and kidney cells. j. bacteriol. 90:69-81. 1965.-culture filtrates of bacillus cereus contain phospholipases that split phosphoryl choline, phosphoryl ethanolamine, and phosphoryl inositol from the phospholipids phosphatidyl choline (ptc), sphingomyelin, phosphatidyl ethanolamine (pte), and phosphatidyl inositol (pti). it is p ...196516562045
direct transition of outgrowing bacterial spores to new sporangia without intermediate cell division.vinter, vladimir (syracuse university, syracuse, n.y.), and ralph a. slepecky. direct transition of outgrowing bacterial spores to new sporangia without intermediate cell division. j. bacteriol. 90:803-807. 1965.-a direct transition was observed of the primary cell developed after germination of bacillus cereus spores into new sporangia without intermediate division stages. two simple methods were used for replacement of outgrowing spores into diluted medium or saline. elongated primary cells pr ...196516562084
the action of phospholipase c on ethanolamine plasmalogen (2-acyl-1-alkenylglycerylphosphorylethanolamine).1. the phospholipase c of bacillus cereus attacks the ethanolamine plasmalogen of brain to yield a plasmalogenic diglyceride (2-acyl-1-alkenylglycerol). 2. this plasmalogenic diglyceride is analogous to the material obtained by the action of the phospholipase c of clostridium welchii on the choline plasmalogen of heart.196516749141
bronchopneumonia with lethal evolution determined by a microorganism of the genus bacillus (b. cereus). 196514319634
fate of bacteria in chicken meat during freeze-dehydration, rehydration, and storage.total plate counts were determined on boneless cooked, cubed chicken meat obtained from a commercial processor. survival of the natural flora was determined after the meat was freeze-dehydrated and rehydrated at room temperature for 30 min and 50, 85, and 100 c for 10 min. total counts of bacteria in the rehydrated samples were determined during storage of the meat at 4, 22, and 37 c until spoilage odor was detectable. meat samples were inoculated with staphylococcus aureus, then dried, rehydrat ...196514325271
maximal temperatures of the two stages of germination in several mesophilic members of the genus bacillus. 196514325297
inducible lytic systems in the genus bacillus. 196514328413
[detection of the factor inhibiting the growth of b. cereus in milk]. 196514329374
conservation of ribosomal and messenger ribonucleic acid cistrons in bacillus species.doi, roy h. (syracuse university, syracuse, n.y.), and richard t. igarashi. conservation of ribosomal and messenger ribonucleic acid cistrons in bacillus species. j. bacteriol. 90:384-390. 1965.-deoxyribonucleic acid (dna) and ribonucleic acid (rna) fractions from various bacillus species were tested for interspecies dna-rna hybrid formation. dna preparations from b. subtilis, b. cereus, b. megaterium, b. stearothermophilus, and b. macerans, whose base composition varied from 33 to 50% guanylate ...196514329452
further observations on the spodogram of bacillus cereus endospore.knaysi, georges (cornell university, ithaca, n.y.). further observations on the spodogram of bacillus cereus endospore. j. bacteriol. 90:453-455. 1965.-endospore spodograms of bacillus cereus c(3) were examined in dark contrast by use of the phase microscope with oil-immersion objectives. when the spodograms were mounted in air, their central part, or core, appeared bright; when mounted in water or oil, the central part appeared dark. the central part of the normal, unincinerated spore appeared ...196514329461
characterization of messenger rna in sporulating bacillus cereus. 196514267278
immunological properties of bacterial cell wall mucopeptides. 196514268620
ultraviolet-absorption spectra of dry bacterial spores.bailey, glen f. (western regional research laboratory, albany, calif.), saima karp, and l. e. sacks. ultraviolet-absorption spectra of dry bacterial spores. j. bacteriol. 89:984-987. 1965.-the possibility of obtaining reasonably satisfactory ultraviolet-absorption spectra of dry spores embedded in kbr has been demonstrated. such spectra show the three peaks characteristic of calcium dipicolinate. the dipicolinate spectra are more distinct when reference pellets containing appropriate amounts of ...196514276125
kinetics of spore germination.mccormick, neil g. (university of virginia, charlottesville). kinetics of spore germination. j. bacteriol. 89:1180-1185. 1965.-an empirically derived equation was developed which accurately describes the time-course of the decrease in optical density during spore germination. a method is described for calculating the final value, the inflection point, and the maximal velocity from knowledge of three experimental values and the initial value at time-zero. a number of germination curves were analy ...196514292983
new assay for penicillinase and some results on penicillinase induction.imsande, john (western reserve university, cleveland, ohio). new assay for penicillinase and some results on penicillinase induction. j. bacteriol. 89:1322-1327. 1965.-a rapid, sensitive, and reliable assay of penicillinase activity is described. studies conducted on the induction of penicillinase, with use of the new assay, show that actinomycin d inhibits growth and the induced synthesis of penicillinase in bacillus cereus 569. these inhibitory effects can be reversed to various degrees by deo ...196514293005
kinetics of germination of bacillus spores.vary, j. c. (university of wisconsin, madison), and h. o. halvorson. kinetics or germination of bacillus spores. j. bacteriol. 89:1340-1347. 1965.-the kinetics of germination of bacillus cereus strain t spores was accurately described by mccormick. to study the mechanism of germination, it is necessary to correlate the characteristic changes in a population of germinating spores with the behavior of the individual spores in the same population. two microscopic events are apparent during germinat ...196514293008
isolation of auxotrophs of bacillus cereus. 196514293022
on the use of actinomycin for observing the turnover of ribonucleic acid. 196514293709
[asimple method for isolating optional large quantities of bacterial cell walls and supporting membranes]. 196514300038
bacillus infections of the cornea. 196514303353
binding of tetracycline to the 30s ribosomes and to polyuridylic acid. 196514341948
[incidence of b. cereus in cooked foods]. 196514345046
observations on biochemical changes in irradiated spores of bacillus cereus. 196514345170
studies on the amoeba-to-flagellate transformation of tetramitus rostratus. 196514346118
some observations on staphylococcal penicillinase. 196514254569
characterization of poly-beta-hydroxybutyrate extracted from different bacteria.lundgren, d. g. (syracuse university, syracuse, n.y.), r. alper, c. schnaitman and r. h. marchessault. characterization of poly-beta-hydroxybutyrate extracted from different bacteria. j. bacteriol. 89:245-251. 1965.-poly-beta-hydroxybutyrate (phb) from different bacterial genera was studied with regard to its crystal structure, infrared absorption, intrinsic viscosity, and electron microscopy. all phb samples precipitated from dilute chloroform solution gave identical x-ray diffractograms confir ...196514255672
studies of dna, rna, and protein synthesis in cultured human cells exposed to 8-azaguanine. 196514264050
chlortetracycline and oxytetracycline residues in poultry tissues and eggs.a pad-plate method of assaying residual amounts of chlortetracycline (ctc) and oxytetracycline (otc) using bacillus cereus 213 was used to determine amounts of antibiotic left in tissues and eggs of poultry fed 1,000 and 200 ppm of ctc and otc in basal feed mixtures. the effects of various methods of cooking the tissues and eggs and the potentiating effect of terephthalic acid (tpa) were studied. it was found that normal methods of roasting, frying, and autoclaving poultry tissue destroyed all r ...196514264853
response of microorganisms to a simulated martian environment.a study was undertaken to determine whether terrestrial microorganisms can survive in a simulated martian environment. the ultimate objective is to establish whether earth organisms can contaminate mars. in addition, any demonstration of survival and growth in a simulated martian environment will provide information relating to the biology of mars. in the experimental design, exhaustive consideration was given to the duplication of the known and the theoretical environmental parameters of mars. ...196512035808
survival and growth of potential microbial contaminants in severe environments.studies conducted in our laboratory have established that a number of potential soil microbes could survive a simulated martian environment. in view of the uncertainty of the martian environment and the importance of noncontamination of extraterrestrial bodies, studies were performed with common soil microbes to determine the minimal environment necessary to produce a complete growth cycle. the effects of diurnal temperature cycling (+25 degrees c to -65 degrees c) and of limiting concentrations ...196611915886
hydroxylation of deoxycorticosterone by bacillus cereus, strain t. 19664289033
changes in nicotinamide adenine dinucleotide concentration of bacillus cereus during growth. 19664291016
patterns of interaction between polyribonucleotides and individual dna strands derived from several vertebrates, bacteria and bacteriophages. 19664291221
[specificity of nitrate reductase induction by bacillus cereus]. 19664291535
location of spore and vegatative antigens of bacillus cereus by means of ferritin-labelled antibodies. 19664163998
the purification and properties of a penicillinase whose synthesis is mediated by an r-factor in escherichia coli.1. the penicillinase (beta-lactamase) from escherichia coli strain tem has been purified and its activity against a range of penicillin and cephalosporin derivatives measured. 2. the enzyme shows little resemblance to penicillinases from bacillus cereus, bacillus licheniformis and staphylococcus aureus. 3. the molecular weight of the enzyme is 16700+/-5%, which is about half the value obtained for other penicillinases. 4. the enzyme is most similar in properties to a crude preparation of a penic ...19665328167
food-borne bacterial toxins.food poisoning caused by the ingestion of preformed bacterial toxins is considered in relation to comparative symptoms, procedures for extraction and purification of the causal toxins, their chemistry, serology, assay procedures and pharmacology, in so far as these are known.the bacteria discussed in this context are clostridium botulinum, c. perfringens, staphylococcus aureus, bacillus cereus, and vibrio parahemolyticus. the possible roles of the enterococci, proteus, e. coli and of unknown spe ...19665905949
influence of food microorganisms on staphylococcal growth and enterotoxin production in meat.forty-four microorganisms were studied for their influence on staphylococcal growth and enterotoxin production. inhibition was found to be more common than stimulation. two types of inhibition were observed: inhibition of staphylococcal growth, and inhibition of enterotoxin formation with no apparent effect on growth. by use of a plate test, 12 of the 44 food microorganisms were found to inhibit staphylococcal growth at 35 c. of the 12, 3 also inhibited growth at 25 c. no significant differences ...19665970822
[demonstration of antibiotics in milk by means of the bacteriological method]. 19664968904
[production of amino acids by microorganisms in cultural liquid in soil]. 19664974782
[structure of some bacillus cereus-thuringiensis bacteriophages]. 19664974783
[a comparative immunologic study of penicillinase extracted from various microorganisms]. 19664978126
[a study of the antigens of b. anthracis and b. cereus by means of luminescent-serologic and cytochemical technics]. 19664978574
[a comparative electron microscopic and cytochemical study of b. anthracis and b. cereus]. 19664979789
synthesis of protein with a cell-free system from bacillus cereus 569. 19664958367
bacterial mass measured with the mrc grey-wedge photometer. 19664958435
viability of common pathogens in cold-curing acrylic resin used in orthopaedic surgery. 19664958467
acetyl esterase in bacillus cereus spores. 19664958469
sporogen--an "inductor" for bacterial cell division. 19664958489
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