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notes on the spirillum fever of bombay, 1877. 187820896511
contributions to the experimental pathology of spirillum fever. 188020896564
some questions relating to the virulence of micro-organisms with particular reference to their immunizing powers.the virulent cholera spirillum possesses a greater number of bacteriolytic and agglutinable haptophore groups, or these groups are endowed with a greater avidity for uni- and amboceptors than the avirulent. the number or the avidity of the bacteriolytic receptors possessed by a bacterium is directly proportional to its virulence. however, the agglutinable receptors do not follow this law, i.e., the agglutinable haptophore groups are not necessarily present in the same proportion as the bacterici ...190519866996
notes on cases of spirillum fever in uganda. 190520762028
the use of a modified hesse's medium for isolating the typhoid bacillus and the cholera spirillum from stools. 191218008642
morphology of the bacteria (vibrio and spirillum), an early research.--the intestinal flora. 191417760205
spirilla associated with disease of the fetal membranes in cattle (infectious abortion).spirilla of identical morphological and cultural characters have been isolated in pure culture from the fetuses of fourteen cases of abortion. the condition of the fetus is much the same whether spirilla or the bacilli of abortion are present. this condition is probably due in both cases to interference with the placental circulation. the injurious action of the etiological factor when spirilla are present is limited to the fetal membranes, more particularly the chorion. definite lesions of the ...191819868289
the etiological relation of spirilla (vibrio fetus) to bovine abortion.the isolation in pure culture of a definite morphological entity (vibrio or spirillum) with practically the same biological characters from a series of cases of the same clinical complex (abortion) establishes a presumption in favor of the specific identity of the organisms and also in favor of the inference that such organisms are etiologically related to the diseased condition. this presumption is strengthened by the fact that disease of the fetal membranes followed the injection of pure cultu ...191919868361
cristispira in north american shellfish. a note on a spirillum found in oysters.ten varieties of north american shellfish were examined for the occurrence of cristispira in their styles. a cristispira was found in various numbers in ostrea virginiana, venus mercenaria, and modiola modiolus, but none in ensis americana, mya arenaria, mactra solidissima, pecten irradians, mytilus edulis, fulgur canaliculatus, or nassa obsoleta. of 298 oysters, only 128 showed the crystalline styles, in which cristispiras were present in 99. active cristispiras were found in 59 styles only and ...192119868559
spirillum virginianum nov. spec. 192616559199
methods for the pure culture of certain protozoa.some media are described which inhibit bacterial growth, but are favorable to protozoan development. a purification technique, which takes advantage of geotropic responses, was devised and used successfully with 7 species of protozoa, including flagellates and ciliates. the method was also used with a spirillum. for one flagellate which could not be purified in this manner, a procedure involving chemical sterilization was employed. paramecium caudatum was purified, but failed to develop subseque ...193019869728
the valuation of antisyphilitic substances by prophylactic and therapeutic tests in animals experimentally infected with spirillum minus. 193021773461
the rate of co(2) assimilation by purple bacteria at various wave lengths of light.1. the relative absorption spectrum of the pigments in their natural state in the photosynthetic bacterium spirillum rubrum is given from 400 to 900 mmicro. the position of the absorption maxima in the live bacteria due to each of the pigments is: green pigment, 420, 590, 880; red pigment, 490, 510, 550. 2. the relative absorption spectrum of the green pigment in methyl alcohol has been determined from 400 to 900 mmicro. bands at 410, 605, and 770 mmicro were found. 3. the wave length sensitivit ...193719873039
prolonged maintenance of spirochetes and filtrable viruses in the frozen state.1. observations are reported on the virulence of various types of spirochetes and filtrable viruses after storage at - 787deg;c. for periods up to 3 years. 2. five specimens of treponema pallidum belonging to 4 different strains, and 7 specimens of t. pertenue belonging to 5 different strains were tested after storage for approximately 3 years. with one exception each specimen contained actively motile treponemes, and all specimens were highly pathogenic for rabbits. many other specimens of thes ...193919870935
the pigment-protein compound in photosynthetic bacteria : ii. the absorption curves of photosynthin from several species of bacteria.absorption curves have been obtained in the spectral region of 450 to 900 mmicro for the water soluble cell juice of four species of photosynthetic bacteria, spirillum rubrum (strain s1), rhodovibrio sp. (strain gaffron), phaeomonas sp. (strain delft), and streptococcus varians (strains c11 and orig.). these curves all show maxima at 790 and 590 mmicro due to bacteriochlorophyll, whose highest band, however, occurs at 875, 855, or 840 mmicro depending on the species. the bacteria that appear red ...194019873170
concerning pure cultures of spirillum. 194017755261
the genus spirillum ehbg. with special reference to cell inclusions and the chromidial theory. 194016560346
ultracentrifugation and cytology of spirillum volutans. 194216560598
purines as growth requirements of spirillum serpens. 194216578049
spirillum minus treatment of g. p. i. 194720272639
spirillum (abacterial) pyuria. 194720343486
rat bite fever caused by spirillum minus treated with penicillin; report of a case. 194818912486
the flagella of spirillum volutans. 194918108887
the flagella of spirillum volutans. 194916561638
studies on the metabolism of photosynthetic bacteria. vii. comparative studies on the photoproduction of h2 by rhodo-pseudomonas gelatinosa and rhodo-spirillum rubrum. 195114824100
a comparative study of the light and dark fermentations of organic acids by rhodo-spirillum rubrum. 195114824109
antagonism of spirillum minus infection in rats towards trypanosoma lewisi and t. equinum. 195114863953
repeated recovery of a spirillum by blood culture from two children with prolonged and recurrent fevers. 195114864001
production of herxheimer-like reactions in rabbits with spirillum minus infections by administration of penicillin or immune serum. 195114878088
the susceptibility of spirillum minus and borrelia duttoni to streptomycin and penicillin. 195214944183
[experiments in the culture of spirilla and certain pathogenic protozoa in the isolated cheek pouch of the golden hamster]. 195214951512
[microspirillum fragae, n. sp., parasité of the burhinus capensis capensis lichtenstein 1823, in mozambique]. 195213008063
some observations on bacterial flagella. 195313035049
a macromolecular mono-layer in the cell wall of spirillum spec. 195313058992
flagellum and motility of spirillum serpens. 195313069434
specific agglutination of spirillum serpens. 195313069435
[bacteriological reexamination of spirillum buccale porter (gins) and spirillum buccale koch (gins)]. 195313150912
some observations on the flagella and blepharoplasts of spirillum and vibrio spp. 195413152344
[effect of chloral hydrate on spirillum]. 195513239153
flagella and cell wall of spirilla. 195513243438
[occurrence of spirillum in tissue after tonsillitis with special reference to the bacterioscopic picture of oral mucosa]. 195513257410
studies on spirillum minus infection; with particular reference to the passage of the organism through filters. 195514364477
[pathogenesis and control of infectious periodontitis]. 195514372924
spirillum mancuniense n. sp. 195514392308
some observations upon the development and mode of attachment of the flagella in vibrio and spirillum species. 195613294134
[fixation of molecular nitrogen by water spirillum]. 195613321538
the gonidial stages in spirillum spp. and vibrio spp. 195613346028
microcyst formation and germination in spirillum lunatum. 195613357729
a diphtheroid stomatitis of chickens apparently due to a spirillum, spirillum pulli, species nova. 195613362786
electron microscopy of ultrathin sections of spirillum serpens. 195713405862
studies on the isolation of spirillum sputigenum. 195713460815
nuclear fusion in spirillum spp. 195713481311
some observations concerning the presence of spirilla in the fundic glands of dogs and cats. 195813559622
[surface structure & flagella of spirilla]. 195813616590
prevention of borrelia duttonii, trypanosoma gambiense, spirillum minus and treponema pallidum infections conveyable through transfusion. 195813653844
observations on spirillum sputigenum and its relationship to selenomonas species with special reference to flagellation. 195913654218
identity of the so-called vibrios of the oral flora. 195913654235
cell elongation and division in spirillum anulus. 195913844899
chromatin patterns in spirillum anulus. 195913844900
cellular structure of large spirilla. 196013801028
spirillum serpens meningitis. report of a case. 196013819393
spirillum fever; report of a case and review of the literature. 196113753697
electron microscopy of flagellation in species of spirillum. 196113785467
[bacterial intracytoplasmic organelles and the site of oxidation-reduction activity]. 196213996218
electron microscopic and bacteriologic studies of spirilla isolated from the fundic stomachs of cats and dogs. 196214005438
the growth of spirillum volutans ehrenberg in mixed and pure cultures. 196214492512
[bacterial growth at low substrate concentration]. 196313957378
extracellular accumulation of pyrroles in bacterial cultures.aerobacter aerogenes, paracolobactrum aerogenoides, spirillum serpens, and gelatinous strains of chromobacterium violaceum produced an extracellular, ether-soluble, ehrlich-positive substance when grown in media prepared with gelatin hydrolysate. the substance has been tentatively identified as pyrrole-2-carboxylic acid. both hydroxy-l-proline and allo-d-hydroxyproline have been shown to be precursors of the material. gelatinous strains of chromobacterium violaceum, but not the other positive cu ...196314023126
[bacterial growth at low substrate concentration]. 196314028703
a systematic study of the genus spirillum which occurs in oxidation ponds, with a description of a new species. 196314058990
a method for the purification of bacterial flagella by ion exchange chromatography. 196314072828
membrane stability and salt tolerance in gram-negative bacteria. 196314076708
[displacement of bacterial "spores": in spirillum praeclarum and during their liberation]. 196314102049
thermal transition of spirillum serpens flagella. 196414187396
[comparative study of large spore-forming spirilleae: sporospirillum (spirillum) praeclarum (collin) n.g., sporospirillum gyrini n. sp. and sporospirillum bisporum n.sp]. 196414196631
microbial ecology of activated sludge. i. dominant bacteria.over 300 bacterial strains were isolated from seven samples of activated sludge by plating on sewage agar. gram-negative bacteria of the genera zoogloea and comamonas predominated. many isolates (51%) showed sudanophilic inclusions of poly-beta-hydroxybutyric acid, whereas 34% accumulated iodophilic material on media containing starch. a large number required either vitamins or amino acids, or both, for growth. none of the isolates tested for their ability to bring about changes in autoclaved se ...196414215970
[antagonism between trypanosoma cruzi and spirillum minus]. 196414237579
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
lysis of bacterial cell walls by an enzyme isolated from a myxobacter.ensign, j. c. (university of illinois, urbana), and r. s. wolfe. lysis of bacterial cell walls by an enzyme isolated from a myxobacter. j. bacteriol. 90:395-402. 1965.-an exoenzyme which lyses intact cells, heat-killed cells, and cell walls of arthrobacter crystallopoietes was purified 60-fold from the growth liquor obtained from a myxobacter (strain al-1). the lytic enzyme was produced during growth of the organism in a number of complex media, the maximal amount of enzyme being produced in yea ...196514330733
the location of the mucopeptide in sections of the cell wall of escherichia coli and other gram-negative bacteria. 196514346132
structure of the proximal ends of bacterial flagella. 19655327655
a practical scheme for identification of the most numerous oral gram negative anaerobic rods. 19655226836
isolation and characterization of filterable marine bacteria.anderson, j. i. w. (northeast shellfish sanitation research center, narragansett, r.i.), and w. p. heffernan. isolation and characterization of filterable marine bacteria. j. bacteriol 90:1713-1718. 1965.-by a process of double filtration of seawater, first through a membrane filter with a pore diameter of 0.45 mu and then through a membrane filter with a pore diameter of 0.22 mu, it was possible to isolate on the surface of the latter membrane a group of marine organisms not usually encountered ...19655854592
cultivation of spirillum volutans in a bacteria-free environment. 196516562086
anatomical features of vibrio fetus: electron microscopic survey. 19665963508
[numerical taxonomy of vibrios and of certain comparable bacteria. i. taxometric method and material used]. 19665970794
[numerical taxonomy of vibrios and various comparable bacteria. ii. correlation between phenotypic similarities and dna base compositions]. 19665982748
morphological and physiological characteristics of spirillum gracile sp. n. 19665296841
the cell wall and cell division of gram-negative bacteria. 19665333357
[time of appearance in the oral cavity of the fusospirillary flora]. 19665335391
[vibrios and spirilla in dogs and cats]. 19664862039
formation of bacterial flagella. i. demonstration of a functional flagellin pool in spirillum serpens and bacillus subtilis.martinez, r. j. (university of california, los angeles), and e. z. gordee. formation of bacterial flagella. i. demonstration of a functional flagellin pool in spirillum serpens and bacillus subtilis. j. bacteriol. 91:870-875. 1966-exponentially growing cultures of spirillum serpens and bacillus subtilis regained motility and flagella within one generation after mechanical deflagellation. regeneration of flagella occurred in both cultures in the presence of chloramphenicol at concentrations shown ...19664956760
correlation of maximal growth temperature and ribosome heat stability. 19674962250
the formation of bacterial flagella. 3. characterization of the subunits of the flagella of bacillus subtilis and spirillum serpens. 19674963866
mode of extension of cell surface during growth of spirillum volutans. 19675335901
[fluorescent antibodies on growing bacteria. ii. the formation of the new cell wall of spirillum serpens]. 19675633599
occurence and nature of spirilla around bombay. 19676036897
inhibitio of flagellar coordination in spirillum volutans.the motility of spirillum volutans is caused by the rotation of each polar flagellar fascicle in a direction opposite to that of the more slowly rotating cell. both flagella form cones of revolution oriented in the same direction. when the cell reverses its motion, both fascicles simultaneously reverse their rotation and also the orientation of their cones of revolution, with the tail fascicle becoming the head and vice versa. chloral hydrate and phenol were found to cause uncoordination, with b ...19676057800
cytochrome synthesis and its regulation in spirillum itersonii.spirillum itersonii contains b- and c-type cytochromes as well as a carbon monoxide-binding pigment of the cytochrome o type. synthesis of cytochromes b and c is increased by about two- and fourfold, respectively, when cells are transferred from high to low aeration. the increased concentration of cytochrome is not accompanied by an increase in the respiration rate of the cells. both cytochrome b and cytochrome c are located in the particulate fraction of cells grown under high or low aeration, ...19676057811
isolation and chemical structure of the peptidoglycan of spirillum serpens cell walls.the peptidoglycan layer of spirillum serpens cell walls was isolated from intact cells after treatment with sodium dodecylsulfate and digestion with pronase. the isolated peptidoglycan contained glucosamine, muramic acid, alanine, glutamic acid, and meso-diaminopimelic acid in the approximate molar ratio of 1:1:2:1:1. aspartic acid and glycine were the only other amino acids found in significant quantities. n-terminal amino acid analyses of the tetrapeptide amino acids in the peptidoglycan revea ...19685636818
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