Publications

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large cell stage in the genus bacillus.johnson, roy m. (arizona state university, tempe). large cell stage in the genus bacillus. j. bacteriol. 82:418-424. 1961.-synchronous cultures of bacillus polymyxa and bacillus cereus produced a transitory large cell stage with increased nuclear material concomitant with a drop in viable count during growth in a defined medium. a variant of b. cereus that required no organic nitrogen for growth and sporulation was inhibited by serine and this inhibition reversed by equimolar amounts of threonin ...196113790339
studies on the inhibition of growth of bacillus cereus by 6-mercaptopurine. 196113690781
[role of aerobic sporogenic bacteria (bacillus cereus) in food products]. 196113718675
permeability of bacterial spores. i. characterization of glucose uptake.black, s. h. (the university of michigan, ann arbor) and philipp gerhardt. permeability of bacterial spores. i. characterization of glucose uptake. j. bacteriol. 82:743-749. 1961.-the total uptake of glucose by masses of clean, dormant spores was measured to assess their permeability. after correction for intercellular space, packed spores of bacillus cereus strain terminalis were found in 87 determinations to be permeated by glucose to 40% of their weight. the glucose uptake was relatively inde ...196113869665
a comparative electron microscopical study of rna from different sources.electron micrographs of ribosomal rna from escherichia coli, microsomal rna from calf, rat, and chick liver, bacillus cereus rna and e. coli soluble rna are presented. filaments of about 10 a in diameter could be observed in preparations obtained from aqueous solutions of high molecular weight rna. when ammonium acetate solutions were used a tendency for coiling and aggregation was observed. e. coli soluble rna appears as small, sometimes elongated particles the smallest diameter being of about ...196113719673
the effect of 8-azaguanine on the ribonucleic acid of the ribosomes in bacillus cereus. 196114482690
l-alanine dehydrogenase: a mechanism controlling the specificity of amino acid-induced germination of bacillus cereus spores.o'connor, r. j. (university of wisconsin, madison), and harlyn o. halvorson. l-alanine dehydrogenase: a mechanism controlling the specificity of amino acid-induced germination of bacillus cereus spores. j. bacteriol. 82:706-713. 1961.-a study has been undertaken of the properties and specificity of germination of spores of bacillus cereus strain t. in the absence of additional carbon sources, only l-alanine, l-alpha-nh(2)-n-butyric acid, and l-cysteine were effective germinating agents. the phys ...196114480841
bacteriophages of bacillus cereus and of crystal-forming insect pathogens related to b. cereus. 196114480397
determination, by spodography, of the intracellular distribution of mineral matter throughout the life history of bacillus cereus.knaysi, georges (cornell university, ithaca, n. y.). determination, by spodography, of the intracellular distribution of mineral matter throughout the life history of bacillus cereus. j. bacteriol. 82:556-563. 1961.-the intracellular distribution of mineral matter throughout the life history of bacillus cereus strain c(3) was investigated by microincineration for which the term spodography is suggested. the organism was grown in microcultures on collodion membranes supported by agar media. at va ...196114457212
germination properties of spores with low dipicolinic acid content.keynan, a. (university of wisconsin, madison), w. g. murrell, and h. o. halvorson. germination properties of spores with low dipicolinic acid content. j. bacteriol. 83:395-399. 1962.-when the dipicolinic acid content of spores of bacillus cereus strain t is reduced from 7.5 to 2 or 3%, the spores germinate spontaneously after heat activation and are sluggish in their response to l-alanine and other germination agents. only germination initiated by calcium dipicolinic acid is unaffected. l-alanin ...196214455468
calcium dipicolinic acid-induced germination of bacillus cereus spores.keynan, a. (university of wisconsin, madison) and h. o. halvorson. calcium dipicolinic acid-induced germination of bacillus cereus spores. j. bacteriol. 83:100-105. 1962.-the germination of spores of bacillus cereus strain t can be initiated by calcium dipicolinic acid. the kinetics of germination are characterized by a long lag period followed by a rapid loss of refractility. the lag period displays the temperature dependence of a metabolic reaction, whereas the rate of germination is relativel ...196214455467
the lipid composition of bacillus cereus as influenced by the presence of alcohols in the culture medium. 196214454238
chemical analyses of asporogenic mutants of bacillus cereus.lundgren, d. g. (syracuse university, syracuse, n.y.) and j. j. cooney. chemical analyses of asporogenic mutants of bacillus cereus. j. bacteriol. 83:1287-1293. 1962.-bacillus cereus atcc 4342 and three temperature-sensitive asporogenic mutants were compared regarding some basic cellular components and response to metals in a synthetic medium. the mutants sporulate when cultured at 28 c but are asporogenic when cultured at 37 c; the parent sporulates at both temperatures. results of amino acid a ...196214467380
repression of protease formation in bacillus cereus. 196214479239
possible production of several exopenicillinases by bacillus cereus. 196214484808
separation of the toxin of bacillus cereus into two components and nonidentity of the toxin with phospholipase.molnar, dorothy m. (u.s. army chemical corps, fort detrick, frederick, md.). separation of the toxin of bacillus cereus into two components and nonidentity of the toxin with phospholipase. j. bacteriol. 84:147-153. 1962-bacillus cereus produced toxin in a casamino acids medium without added serum or other protein. the toxin was separated into two components by adsorption on columns of calcium phosphate gel followed by elution with phosphate buffer (ph 7.5). the component eluted first has been ca ...196214475243
[preparation of penicillinase from bacillus subtilis (of indian origin) and from bacillus cereus, strain 569 n. r. r. l]. 196214481012
reactions of spores and cells of bacillus cereus with pyrimidine ribosides.lawrence, n. l. (university of alabama, birmingham) and yun-chuan tsan. reaction of spores and cells of bacillus cereus with pyrimidine ribosides. j. bacteriol. 83:228-233. 1962.-cytidine deaminase and uridine ribosidase were essentially inactive in heat-resistant spores of bacillus cereus t, but the activity increased as the spores germinated and proceeded to the vegetative form. the activity of germinated spores on cytidine was evident only after several hours lag, but then was nearly equal to ...196214463006
mechanism of action of the toxin of bacillus anthracis ii. : alkaline phosphatasemia produced by culture filtrates of various bacilli.slein, milton w. (fort detrick, frederick, md.) and gerald f. logan, jr. mechanism of action of the toxin of bacillus anthracis. ii. alkaline phosphatasemia produced by culture filtrates of various bacilli. j. bacteriol. 83:359-369. 1962.-a factor which produces hyperphosphatasemia after intravenous injection into animals has been found in culture filtrates of several bacilli. the factor appears not to be lecithinase, although it has been found only in culture filtrates of microorganisms, such a ...196216561930
studies with a simulated martian environment. bacterial survival and soil moisture content. 196213974328
attempts to freeze some bacteriophages to ultralow temperatures.a variety of bacteriophages specific for different hosts, including bacillus cereus, escherichia coli, pseudomonas aeruginosa, serratia marcescens, shigella dysenteriae, staphylococcus aureus, and vibrio comma, were frozen at a controlled rate to liquid nitrogen temperatures, and then quick-thawed. glycerol (10%) was used as a protective additive. quantitative determinations showed from 10% to virtually 100% recovery in the various cases. host specificity, plaque morphology, and, in one case, ra ...196214021543
permeability of bacterial spores. iii. permeation relative to germination.black, s. h. (the university of michigan, ann arbor) and philipp gerhardt. permeability of bacterial spores. iii. permeation relative to germination. j. bacteriol. 83:301-308. 1962.-the passive diffusion of solutes into dormant spores, characterized previously with the test organism bacillus cereus strain terminalis, has now been examined in relation to germination. dormant spores did not take up specific germinants differently than they did other compounds, under conditions optimal for germinat ...196213869666
spores of microorganisms. penicillin-induced destruction of sporulating cells of bacillus cereus. 196213997404
spores of microorganisms. x. interference of tetracycline antibiotics with sporogenesis of bacilli. 196213997405
permeability of bacterial spores. iv. water content, uptake, and distribution.black, s. h. (the university of michigan, ann arbor) and philipp gerhardt. permeability of bacterial spores. iv. water content, uptake, and distribution. j. bacteriol. 83:960-967. 1962.-dormant and germinated spores of bacillus cereus strain terminalis were examined for water properties. respectively, they exhibited a mean density of 1.28 and 1.11 g/ml, a water content of 64.8 and 73.0%, and a total water uptake of 66.6 and 75.6%, based on spore weight, or 86.0 and 83.9%, based on spore volume. ...196213869667
[on the terminal groups of polysaccharides of bacillus cereus w and bacillus cereus 569]. 196213935151
phospholipase c-producing bacteria and food poisoning. an experimental study on clostridium perfringens and bacillus cereus. 196213939299
[use of lyophilized spores of b. mycoides for the study of antibiotic activity]. 196213977404
ribonuclease of bacillus cereus. 196213923883
rate of growth of bacillus cereus between divisions. 196213880594
aerobic sporulating bacteria. i. glucose dehydrogenase of bacillus cereus.bach, john a. (michigan state university, east lansing) and h. l. sadoff. aerobic sporulating bacteria. i. glucose dehydrogenase of bacillus cereus. j. bacteriol. 83:699-707. 1962.-a heat-resistant glucose dehydrogenase occurs in cultures of bacillus cereus which are in the initial stages of sporulation. this enzyme is, kinetically, identical to the glucose dehydrogenase which can be extracted from mature spores, but is considerably more heat resistant than the spore-free enzyme. the two enzymes ...196213863702
studies on the ribosomal ribonucleic acid from bacillus cereus. 196213919104
penicillinase production in some bacilli.penicillinase production in strains of bacillus in which such production is constitutive, as well as in strains in which it is inducible, was found to be a function of the type of penicillin to which the organism was exposed. a repressive effect in two constitutive strains was noted. an increase in the level of penicillinase produced by the constitutive strains was noted for some of the penicillins.196214025628
a penicillin-induced lytic enzyme besides penicillinase in the cells of b. cereus 569. 196213945743
toxic constituents of rayless goldenrod. 196214056467
lysogeny and toxinogeny in bacillus cereus. 196214012302
[research on the "cereus-anthracismycoides" phages]. 196214021437
oxidative assimilation and distribution of glucose in bacillus cereus.clifton, c. e. (standford university school of medicine, stanford, calif.). oxidative assimilation and distribution of glucose in bacillus cereus. j. bacteriol. 83:66-69. 1962-exogenous c(14)-labeled glucose is taken up rapidly by washed cells of bacillus cereus and apparently enters a metabolic pool soluble in cold 5% trichloroacetic acid. from this pool the label passes rapidly into other cellular fractions, primarily materials soluble and insoluble in hot 5% trichloroacetic acid, which may co ...196213879953
mode of action of chloramphenicol. viii. resemblance between labile chloramphenicol-rna and dna of bacillus cereus. 196213903670
[on the "in vitro" antibiotic properties of a strain of b. cereus var. mycoides and of some hyphomycetes isolated from drinking water]. 196214023183
evidence for the synthesis of stable informational rna required for bacterial spore formation. 196214026594
chemical and morphological studies of bacterial spore formation. iv. the development of spore refractility.from the stage of a completed membranous forespore to that of a fully ripened free spore, synchronously sporulating cells of a variant bacillus cereus were studied by cytological and chemical methods. particular attention was paid to the development of the three spore layers-cortex, coat, and exosporium-in relation to the forespore membrane. first, the cortex is laid down between the recently described (5) double layers of the forespore membrane. then when the cortex is (1/3) fully formed, the s ...196214009347
the morphology of bacillus cereus bacteriophages. 196213884036
[study of the resistance to ionizing radiations of specific bacteria inoculated into precooked minced ham conditioned in metal cans]. 196314104864
secondary effect of 8-azaguanine on the induced or constitutive synthesis of penicillinase in bacillus cereus. 196314041308
growth and sporulation characteristics of an organic sulfur-requiring auxotroph of bacillus cereus.lundgren, d. g. (syracuse university, syracuse, n.y.) and k. f. bott. growth and sporulation characteristics of an organic sulfur-requiring auxotroph of bacillus cereus. j. bacteriol. 86:462-472. 1963.-this paper reports investigations of several aspects of growth and sporulation of an organic sulfur-requiring auxotroph of bacillus cereus atcc 4342. the wild type and b. cereus t were also studied for comparative purposes. growth of the mutant on minimal medium plus methionine was normal, but spo ...196314066422
serology of the soluble antigens of the pathogenic clostridia.ellner, paul d. (university of vermont, burlington), and stanley s. green. serology of the soluble antigens of the pathogenic clostridia. j. bacteriol. 86:1084-1097. 1963.-soluble antigens of 42 strains, representing nine species of clostridia commonly occurring in human infections, were prepared by growing the organisms in a nonantigenic medium. serological studies demonstrated the occurrence of considerable strain variation within each species. interactions among the nine species, as well as w ...196314080776
[particular sensitivity to heat of some cereus-anthracis-mycoides phage strains]. 196314165841
experiments to determine immune serological reactions in cancer. 196314092938
[on the uniformity of bacterial ribosomes]. 196314097316
[on changes in lewis blood-group substance induced by decomposing enzymes]. 196314105376
[an excess of free fragments in suspensions of bac. mycoides bacteriophage no. 1]. 196314053513
survival of bacteria in lyophilized plasma.although lyophilization reduces the bacterial population in plasma, some species survive for several months. sensitivity or resistance to lyophilization in plasma is a characteristic of each morphological type, with gram-negative species being more sensitive to destruction than cocci or sporulating gram-positive species. reconstituted preparations of lyophilized plasma must be incubated for 24 hr to prevent false-negative sterility tests. the killing process in lyophilized plasma continues with ...196314029198
laboratory studies on oxacillin. i. in vitro activity against staphylococci and some other bacterial pathogens. ii. absorption and urinary excretion in normal young men. 196314033374
sensitization of bacterial spores to lysozyme and to hydrogen peroxide with agents which rupture disulphide bonds. 196314114930
secondary effect of 8-azaguanine on the induced or constitutive synthesis of penicillinase in bacillus cereus. 196314040637
[contribution to the pathogenesis of aerobic sporogenous bacterium (bacillus) infection in mice]. 196314119570
[the enteropathogenic effect of aerobic spore-forming bacilli in rodents]. 196314119883
lethality for mice of vegetative and spore forms of bacillus cereus and bacillus cereus-like insect pathogens injected intraperitoneally and subcutaneously.lamanna, carl (army research office, washington, d.c.) and linda jones. lethality for mice of vegetative and spore forms of bacillus cereus and bacillus cereus-like insect pathogens injected intraperitoneally and subcutaneously. j. bacteriol. 85:532-535. 1963.-lethality for mice of bacillus thuringiensis var. thuringiensis (two strains), var. sotto (one strain), var. alesti (one strain), and b. entomocidus var. entomocidus (one strain) maintained on artificial laboratory media is dependent upon ...196314042929
similarity in base compositions of deoxyribonucleates from several strains of bacillus cereus and bacillus anthracis.mcdonald, william c. (u.s. army biological laboratories, frederick, md.), ira c. felkner, abraham turetsky, and thomas s. matney. similarity in base compositions of deoxyribonucleates from several strains of bacillus cereus and bacillus anthracis. j. bacteriol. 85:1071-1073. 1963.-studies were made on the base compositions of the deoxyribonucleates of a number of bacillus species. species homogeneity was quite evident from these studies since, with only one exception, several strains of the same ...196314043997
the role of penicillinase in determining natural and acquired resistance of gram-negative bacteria to penicillins. 196314045526
biochemical changes occurring during sporulation of bacillus cereus t. ii. effect of esters of organic acids on sporulation.gollakota, k. g. (university of illinois, urbana) and h. orin halvorson. biochemical changes occurring during sporulation of bacillus cereus t. ii. effect of esters of organic acids on sporulation. j. bacteriol. 85:1386-1393. 1963.-sporulation of bacillus cereus t in yeast extract-glucose-minerals medium was specifically inhibited by alpha-picolinic acid (apa), if the acid was added before the ph of the culture began to rise. the effects of apa could be reversed by aspartic acid or asparagine, a ...196314047234
biochemistry of sporulation. ii. enzymatic changes during sporulation of bacillus cereus.hanson, richard s. (university of illinois, urbana), v. r. srinivasan, and h. orin halvorson. biochemistry of sporulation. ii. enzymatic changes during sporulation of bacillus cereus. j. bacteriol. 86:45-50. 1963.-it has been possible to correlate enzymatic activities of bacillus cereus strain t with particular phases of growth and sporulation by using cultures in which the cells grow rapidly and undergo the transition from growth to sporulation in a synchronous manner. cells harvested during ve ...196314051821
uptake and distribution of nucleic acids by b. cereus cells. 196314056132
[comparative study of various bacteriophages of cultures of the bac. cereus-thuringiensis group]. 196314053512
separation of hemolysin and egg yolk turbidity factor in cell-free extracts of bacillus cereus. 196314064820
[penicillinase and penicillin mixtures. a contribution to the reaction kinetics]. 196314134581
[studies on the le-a decomposing enzyme. i. serological action of an le-a decomposing enzyme]. 196314102230
[the temperatures of inactivation and multiplication of cereus-anthracismycoides phages]. 196314088232
[a method for the determination of the biological properties of novobiocin]. 196314090370
the relation of immunity to cancer etiology. 196314091129
[changes in amino acid metabolism of mycobacterium tuberculosis in the presence of other bacteria in liquid culture medium. 9]. 196314092230
toxin production as a criterion for differentiating bacillus cereus and bacillus anthracis. 196314013788
the composition and structure of bacterial spores.the composition of the insoluble "integuments" and soluble "contents" fractions of spores of four bacillus species of widely differing heat resistance were compared. electron microscopy of thin sections was also used to determine and compare the morphological structures in the integument preparations. the soluble fractions of the thermophiles, b. coagulans and b. stearothermophilus, had a higher content of hexose and dipicolinic acid. the hexose content of both fractions of the four species was ...196313999018
the swarmers of bacillus cereus. 196313971247
[study-of the effects produced by ultraviolet light on bacteria. vi. alteration of the metabolism of nucleic acids in bacillus cereus]. 196314017548
survey of the bacteriocines of enterococci.brock, thomas d. (indiana university, bloomington), barbara peacher, and deborah pierson. a survey of the bacteriocines of enterococci. j. bacteriol. 86:702-707. 1963.-a survey has been made of bacteriocine production by a wide variety of well-characterized strains of group d streptococci. on the basis of spectrums and sensitivity to chloroform, heat, and proteolytic enzymes, five distinct bacteriocines can be defined. type 1 is produced by all streptococcus zymogenes (s. faecalis var. zymogenes ...196314066464
bacterial nucleotidases.kohn, j. (queen mary's hospital, london, england) and j. l. reis. bacterial nucleotidases. j. bacteriol. 86:713-716. 1963.-the 3- and 5- nucleotidase activity in various bacterial species was investigated. both enzymes were found in bacterial extracts in varying proportions. the nucleotidases were found to be very active in proteus vulgaris, in which organism they were studied in detail. the relative activities, the ph optima, and the effect of metal ions were investigated. it was concluded that ...196314066466
"endotrophic" sporulation. 196313971376
the interaction of penicillinase with penicillins. ii. temperature-dependent changes induced in penicillinase by competitive inhibitors. 196314021423
nafcillin. antibacterial action in vitro and absorption and excretion in normal young men. 196314046010
penicillinase from klebsiella aerogenes. a comparison with penicillinases from gram-positive species. 196313952353
[influence of living plants on denitrification]. 196314048734
[contribution to the animal pathogenicity of aerobic spore-forming bacilli]. 196314049323
[a few remarks on the bacteriocins produced by grampositive microbes]. 196314051477
the swelling of bacterial spores during germination and outgrowth. 196313954805
partial purification and properties of two phospholipases of bacillus cereus.slein, milton w. (u.s. army chemical corps biological laboratories, fort detrick, frederick, md.) and gerald f. logan, jr. partial purification and properties of two phospholipases of bacillus cereus. j. bacteriol. 85:369-381. 1963.-culture filtrates of bacillus cereus contain a phosphatasemia factor (pf) that markedly increases blood alkaline phosphatase after intravenous injection into animals, and that releases alkaline phosphatase from epiphyseal bone slices in vitro. fractionation of cultur ...196313989217
biochemistry of sporulation. i. metabolism of acetate by vegetative and sporulating cells.hanson, richard s. (university of illinois, urbana), v. r. srinivasan, and h. orin halvorson. biochemistry of sporulation. i. metabolism of acetate by vegetative and sporulating cells. j. bacteriol. 85:451-460. 1963.-the transition from the vegetative to the sporulating cycle in a sporeformer is marked by a change in the enzymatic machinery of the cell. when vegetative cells of bacillus cereus strain t are grown in a glucose-yeast extract-minerals medium, acetate accumulates until the beginning ...196313952646
[study on the ecology of soil microorganisms in the light of the distribution of bacterial antagonists]. 196314054118
[bacillus cereus as a cause of alimentary intoxication]. 196314055415
[bacteriostatic and bactericidal activity of erythromycin base and chloramphenicol used separately and in combination]. 196313997032
repression of staphylococcus aureus by food bacteria. i. effect of environmental factors on inhibition.the effects of environmental factors on the inhibition of an enterotoxin-producing strain of staphylococcus aureus by food bacteria were investigated. type of medium and temperature of incubation were important factors in determining the amount of inhibition. the ph range of maximal inhibition was found to be 7.4 to 6.2. availability of oxygen was not a factor. as the ratios of inhibitor to staphylococcus were increased from 1:1 to 10:1 and 100:1, the amount of inhibition was markedly increased. ...196313994250
repression of staphylococcus aureus by food bacteria. ii. causes of inhibition.two food bacteria, serratia marcescens and pseudomonas sp. cs-1, inhibited an enterotoxigenic strain of staphylococcus aureus, apparently by out-competing it for nutrients. five others, bacillus cereus, proteus vulgaris, escherichia coli h-52, aerobacter aerogenes, and achromobacter sp., inhibited by means of antibiotic substances which were seitz-filterable, dialyzable, and stable at 90 c for 10 min. inhibition was not caused by changes in ph, oxidation-reduction potential, or production of per ...196313994251
the incorporation of 8-azaguanine into soluble ribonucleic acid of bacillus cereus. 196313930103
[studies on the relationship between bacterial blood group substance and somatic antigens by enzyme tests]. 196314044258
[the nature of the inactivation of benzylpenicillin with penicillinases of various origins]. 196314131947
[cellular immunity in cancer]. 196314113609
effect of ph on intermediates produced during growth and sporulation of bacillus cereus.nakata, h. m. (washington state university, pullman). effect of ph on intermediates produced during growth and sporulation of bacillus cereus. j. bacteriol. 86:577-581. 1963.-cultures of bacillus cereus strain t, grown in an unbuffered glucose-yeast extract-mineral salts medium and in the same medium buffered at ph 6.4, 7.0, or 7.4, were examined to determine the effect of ph on the production and utilization of metabolic intermediates during growth and sporulation. although the growth rate of t ...196314066440
the differential effect of actinomycin d on the biosynthesis of enzymes in bacillus subtilis and bacillus cereus. 196314068563
the biologic activities of bacillus anthracis and bacillus cereus culture filtrates. 196314076029
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