Publications

virulence of rhodococcus equi for mice.		1983	6656069
serogrouping of rhodococcus equi.	the serological relationships among 27 isolates of rhodococcus equi selected from a total of 1,195 isolates were investigated by cross-agglutination and absorption tests. the presence of capsular material was demonstrated in all the 27 isolates by electron microscopic observation. antisera were prepared by employing formalized antigen of each isolate. in the cross-agglutination test with formalized antigen, 13 antisera reacted with homologous antigens alone, but the remaining 14 antisera reacted ...	1983	6669074
quantitative culture of rhodococcus equi from the feces of horse.	the selective isolation of r. equi in nanc medium was made by quantitative culture of the organism in the feces. r. equi was observed in the feces of all the mares and foals investigated. the mean viable count of r. equi organisms in 1 gram of feces was 8.42 x 10(2) in the mares and 7.57 x 10(2) in the foals, and its 95% confidence limits were in a range of 6.48 x 10(2) to 1.09 x 10(3) and 4.19 x 10(2) to 1.37 x 10(3), respectively. this result indicates that r. equi is a member of the normal in ...	1983	6680772
[biochemical differentiation of the "listeria monocytogenes" (sensu lato) genomic groups].	camp-tests with staphylococcus aureus and rhodococcus equi and acid production from d-xylose allowed to separate the five dna relatedness groups described for listeria monocytogenes sensu lato; acid production from l-rhamnose and alpha-methyl-d-mannoside are secondary markers.	1983	6405670
immunodiffusion analyses of some diphtheroid organisms isolated from patients with leprosy.	eight strains of diphtheroid bacteria isolated from patients with leprosy were analyzed by immunodiffusion, using precipitation systems representing various species of corynebacterium, mycobacterium, nocardia, rhodococcus, and related organisms. the analyses showed that six of the eight strains shared several antigens with representatives of these four genera. the largest number of shared precipitinogens was revealed when the corynebacterial precipitation systems were used, thus indicating that ...	1983	6413437
identification key for coryneform bacteria derived by numerical taxonomic studies.	six main groups were formed from a complete linkage dendrogram on 557 bacteria tested for 53 physiological features. the organisms were obtained from culture collections and included representatives of the following genera: arthrobacter, brevibacterium, caseobacter, cellulomonas, corynebacterium, curtobacterium, micrococcus, microbacterium, mycobacterium, nocardia, oerskovia and rhodococcus. the six groups were individually subjected to a numerical taxonomic analysis based on linkage maps, which ...	1983	6413644
cross-reactivity between mycobacterium tuberculosis h37rv and various actinomycetes and related organisms.	one hundred and forty-one strains of actinomycetales and related organisms were investigated by immunodiffusion for the presence of antigens which cross-react with the antigens of m. tuberculosis h37rv. the test strains comprised 86 different species names and 20 different genus names; they were mainly environmental organisms isolated from soil, plants, animals and such like. more than 90% of these strains were shown to have one or more antigens in common with the tubercle bacillus, and 77% had ...	1983	6415879
fine structural studies of rhodococcus species.	fine structural aspects of rhodococcus rhodochrous and r. equi are described and illustrated by electron micrographs after staining of cells by a variety of electron cytochemical procedures. the cell contents of these actinomycetous bacteria were those of a typical prokaryotic cell and consistent with that observed for other species of the actinomycetales. fixation with either osmium tetroxide or permanganate indicated the presence of an electron opaque substance at the wall exterior of r. rhodo ...	1983	6191182
sensitivity to capreomycin and prothionamide in strains of mycobacterium, nocardia, rhodococcus, and related taxa for taxonomical purposes.	sensitivity to capreomycin and to prothionamide was analysed for 150 strains belonging to the genera mycobacterium, nocardia, rhodococcus, and related taxa. the analyses showed, e.g., that strains of mycobacterium chelonei and nocardia brasiliensis were more resistant to capreomycin than the other strains tested and that m. farcinogenes differed from m. senegalense concerning sensitivity to this drug. the analysis showed, furthermore, that strains of mycobacterium differ from those of nocardia, ...	1983	6196927
investigation of the survival characteristics of rhodococcus coprophilus and certain fecal indicator bacteria.	rhodococcus coprophilus and clostridium perfringens survived in fresh water samples held at 5, 20, and 30 degrees c for over 17 weeks, whereas escherichia coli and fecal streptococci disappeared after 5 weeks at all three temperatures. r. coprophilus survived for more than 8 months in sterilized sewage and deionized water at all three temperatures, whereas in normal sewage held at 20 degrees c, the survival time was 12 to 26 weeks. in samples held at 30 degrees c, survival times were shorter, pr ...	1983	6312883
recurrent skin infection with rhodococcus in an immunosuppressed patient.	a renal transplant patient taking prednisone and azathioprine has had repeated episodes of skin infection with the soil saphrophyte rhodococcus. human disease with this organism has not been proved before. although the lesions have always responded to antibiotics, frequent recurrence makes the long-term outlook uncertain.	1983	6350469
crossreactivity between mycobacterium leprae and various actinomycetes and related organisms.	serological crossreactivity was analyzed between m. leprae and strains of various species of corynebacterium, mycobacterium, nocardia, rhodococcus, streptomyces, and related organisms. m. leprae shares antigens with most of these organisms, and sera from patients with lepromatous leprosy contain antibodies against them. the results demonstrate that m. leprae shares more antigens with the mycobacteria than with strains of the other tested genera, thus supporting the view that the leprosy organism ...	1983	6352526
rapid microbiochemical identification of corynebacterium diphtheriae and other medically important corynebacteria.	a rapid biochemical method based on the fermentation of carbohydrates, the hydrolysis of urea, and the reduction of nitrate was used to identify corynebacterium diphtheriae, c. ulcerans, c. pseudodiphtheriticum, c. haemolyticum, c. pseudotuberculosis, c. pyogenes, c. ovis, the centers for disease control jk group, and rhodococcus (corynebacterium) equi. with this procedure identification was confirmed for 133 stock cultures and clinical isolates of corynebacteria. most were identified within 1 h ...	1983	6355166
isolation and characterization of an intracellular serine protease from rhodococcus erythropolis.		1982	6758705
[rhodococcus isolated from a gluteal abscess].	the pathogenic role of the genus rhodococcus as an infectious agent in human beings is very small. its taxonomic allocation may be difficult since there is no systematic description of this bacterial group. this paper summarizes the international literature on the microbiologic diagnosis of rhodococcus and the small number of known cases of rhodococcus infections. a description is given of the first case of a post-injection gluteal abscess caused by a rhodococcus sp.	1982	6759413
numerical analysis of the taxonomy of nocardiae and rhodococci.	the genera nocardia and rhodococcus were clearly differentiated in the present study. eleven characteristics were shown to be useful for differentiation between these two genera. nocardia asteroides sunsu stricto previously defined by tsukamura was divided into two taxa. one contained the type strain and was considered to retain the name nocardia asteroides in a new sense. another was named in the present study as nocardia nova sp. nov. tsukamura. the type strain of this species is atcc 33726. t ...	1982	6763136
differentiation between the genera rhodococcus and nocardia and between species of the genus mycobacterium by susceptibility to bleomycin.		1982	6185624
routine test for in vitro differentiation of pathogenic and apathogenic listeria monocytogenes strains.	the exosubstance of rhodococcus equi in a prepurified form strongly enhanced the hemolytic effect of certain strains of listeria monocytogenes. the strains which produced positive synergic hemolysis with this exosubstance were also pathogenic for guinea pigs and white mice. the other strains, which remained nonhemolytic in the presence of the r. equi. exosubstance, were apathogenic for those animals. a routine test was devised for the in vitro determination of the pathogenicity of l. monocytogen ...	1982	6804488
numerical classification of some rhodococci, corynebacteria and related organisms.	nineteen strains of corynebacterium sensu stricto, 23 received as corynebacterium equi or rhodococcus equi, marker cultures of arthrobacter, brevibacterium, bacterionema matruchotii, cellulomonas flavigena, kurthia zopfii, listeria denitrificans, microbacterium lacticum, rhodococcus rubropertinctus and 88 representatives of mycobacterium, nocardia, rhodococcus and the 'aurantiaca' taxon were the subject of numerical phenetic analyses using 92 characters. the data were examined using the simple m ...	1982	6811696
hemolytic properties of exosubstance of serovar 5 listeria monocytogenes compared with beta toxin of staphylococcus aureus.	hemolytic exosubstance of serovar 5 listeria monocytogenes, tested in native and pre-purified forms, produced identical interactions with exosubstances of certain bacterial species to those of staphylococcus aureus beta toxin on agars with ovine, rabbit, human and equine erythrocytes. in the same way like the staphylococcal beta toxin, it enhanced hemolysis of other l. monocytogenes serovars, though only slightly and after a longer time of incubation. with the hemolysin of corynebacterium pyogen ...	1982	6812312
fatty acid composition of some mycolic acid-containing coryneform bacteria.	the fatty acid profiles of 74 strains of mycolic acid-containing coryneform bacteria were examined by gas-liquid chromatography. all of the strains contained major amounts of straight-chain and monounsaturated fatty acids although some also possessed substantial amounts of 10-methyloctadecanoic acid. iso- and anteiso-branched acids were not present. five distinct fatty acid patterns were evident: (i) corynebacterium diphtheriae, c. pseudotuberculosis and 'c. ulcerans' strains contained major amo ...	1982	6818327
numerical classification of rhodococcus equi and related actinomycetes.		1982	6819287
is rhodococcus equi a soil organism?	a total of 189 isolates of rhodococcus equi and related organisms and 16 marker strains representing the genera rhodococcus and corynebacterium were screened for 160 unit characters in a numerical taxonomic study. analysis of the data indicated that r. equi forms a relatively homogeneous cluster distinctly separated from the recognized species of rhodococcus and corynebacterium (sensu stricto). other members of the genus rhodococcus are soil organisms and r. equi appears to fit into the genus on ...	1982	6962888
immunity to and immunotherapy for rhodococcus equi.	immune responses to rhodococcus equi were assayed in mares and foals on 7 studs in south-eastern australia using skin test reactivity to the intradermal injection of culture filtrate and an indirect fluorescent antibody test. the prevalence of positive skin-test reactions did not differ between studs with a history of r. equi disease and those without but there were more mares with high antibody titres on studs with a disease history. a leucocyte extract prepared from mares that were skin-test p ...	1982	6962890
capsular serotypes of rhodococcus equi.	one hundred strains of rhodococcus equi from various animal species and sources in australia were examined for capsular serotype. eighty-four of the strains fell into the existing 7 serotypes, and just under half of the strains belonged to serotype 1. isolates from the intestines and faeces of horses, cattle, pigs and other species, and from soil, were found to belong to the same serotypes as those recovered from the lungs of foals with r. equi pneumonia. there was no clear relationships between ...	1982	7082241
a survey of the structures of mycolic acids in corynebacterium and related taxa.	acid methanolysates of 104 strains of coryneform and related bacteria were examined for mycolic acids by thin-layer chromatography and mass spectrometry. the mycolic acids of corynebacterium sensu stricto strains were not uniform in size and structure, and considerable variation existed within the approximate limiting range of c22 to c36. two species, corynebacterium bovis and 'corynebacterium mycetoides', were particularly distinctive; the former had exceptionally low molecular weight mycolic a ...	1982	7086391
[key rhodococcus enzymes in the catabolism of aromatic compounds].	the enzyme apparatus involved in the catabolism of aromatic compounds in rhodococci is characterized by the presence of pyrocatechase and protocatechoate-3,4-dioxygenase as principal enzymes cleaving the aromatic cycle. metapyrocatechase was found in about 30% of the rhodococci. all the enzymes are inducible. the inductor of pyrocatechase seems to be cyc-cys-muconate, and that of protocatechase appears to be 3-oxoadipate. the metapyrocatechase of rhodococci, in contrast to that of pseudomonas, i ...	1982	7087811
numerical and chemical classification of nocardia amarae.	twenty-one strains of nocardia amarae and marker cultures of mycobacterium, nocardia, rhodococcus and the 'aurantiaca' taxon were subjected to numerical phenetic analyses using 92 unit characters. the data were examined using the simple matching (ssm), jaccard (sj) and pattern (dp) coefficients and clustering was achieved using the unweighted average linkage algorithm. neither cluster nor aggregate cluster composition was markedly affected by the coefficient used or by test error, estimated at 1 ...	1982	7119738
lung infection caused by gordona aurantiaca (rhodococcus aurantiacus).	we report that gordona aurantiaca (rhodococcus aurantiacus) caused a lung infection in humans. the case of a 50-year-old male farmer is shown. this is the first report of infection by this organism.	1982	7153308
in-vitro susceptibility of nocardia and rhodococcus to fourteen beta-lactam antibiotics.		1982	7161233
chemical and physical characterization of interfacial-active lipids from rhodococcus erythropolis grown on n-alkanes.	lipophilic compounds of the culture suspension containing rhodococcus erythropolis dsm43215 had surfactant properties when the bacteria were cultivated with n-alkanes as the sole carbon source. thirteen main components from a dichloromethane-methanol extract of the r. erythropolis cultures were isolated and characterized to specify quantitatively their surfactant properties, e.g., minimum surface and interfacial tensions and critical micelle concentrations. the interfacial activity of the organi ...	1982	16346110
the treatment of pneumonia in foals caused by rhodococcus (corynebacterium) equi.		1981	7259664
rhodococcus (corynebacterium) equi: a possible cause of reactions to the complement fixation test for johne's disease of cattle.		1981	7271613
porcine abortions associated with fungi, actinomycetes, and rhodococcus sp.	history, lesions, and results of microbiologic examinations are given for four porcine abortions associated with fungi and one each associated with actinomadura madurae, an aerobic actinomycete, and rhodococcus sp. the fungi were gliomastix sp., petriellidium boydii, aspergillus fumigatus, and exophiala jeanselmei. parvovirus, isolated from one fetus, was the only other infectious agent identified. the presence of fungi, actinomadura madurae, and rhodococcus sp. in fetal and placental lesions in ...	1981	7281459
test for susceptibility to mitomycin c as aids for differentiating the genus rhodococcus from the genus nocardia, and for differentiating mycobacterium fortuitum and mycobacterium chelonei from other rapidly growing mycobacteria.		1981	6799752
comparison of three techniques for isolation of rhodococcus (corynebacterium) equi from contaminated sources.	inoculation of a liquid medium comprised of trypticase soy broth (bbl microbiology systems), cycloheximide, nalidixic acid, penicillin, and potassium tellurite and subcultured onto m3 medium plus potassium tellurite was highly successful for the isolation of rhodococcus (corynebacterium) equi from soil.	1981	7007424
differentiation between the genera mycobacterium, rhodococcus and nocardia by susceptibility to 5-fluorouracil.	a test for susceptibility to 5-fluorouracil was useful for differentiating between species of rapidly growing mycobacteria, and for differentiating the genus rhodococcus from the genus nocardia. the majority of rhodococci tested were susceptible to 5-fluorouracil (20 micrograms ml-1), whereas the majority of nocardiae tested were resistant to it. strains of nocardia asteroides sensu stricto could be divided into two subgroups by their reaction to 5-fluorouracil.	1981	7038035
a survey of mycobacteriosis of feral pigs in the northern territory.	seven hundred and fifty-one feral pigs from the subcoastal plains of the northern territory were examined. the sample population consisted of 52.4% females and 47.6% males. they ranged in age from newborn piglets to mature animals of over 72 months. of the pigs examined 47.7% had macroscopic abscesses and of these 80.2% were probably caused by mycobacteria. tissues from 193 pigs were examined bacteriologically and 93 strains of mycobacteria were isolated. these were typed as m. bovis (37 strains ...	1981	7041875
occurrence of rhodococcus coprophilus and associated actinomycetes in feces, sewage, and freshwater.	freshwater, sewage, and fecal samples from various sources were examined for rhodococcus coprophilus, associated actinomycetes, escherichia coli, and fecal streptococci. rhodococcus coprophilus was isolated consistently from feces of farm animals, poultry reared in proximity to farm animals, freshwater, and wastewater polluted with animal fecal wastes. it was not isolated from samples of human feces. the ratio of r. coprophilus total actinomycetes was higher in feces from cattle, sheep, ducks, a ...	1981	7316510
septic arthritis and osteomyelitis caused by an organism of the genus rhodococcus.	we describe a previously healthy, immunologically normal young girl who presented painless swelling of fingers, a toe, and one knee. roentgenograms were consistent with osteomyelitis of the phalanges and knee effusion. rice bodies (corpora oryzoidea) were identified in viscous fluid obtained from the knee during arthroscopy. culture of this fluid grew an organism initially believed to be a member of the genus nocardia but which was later presumptively identified as a member of the genus rhodococ ...	1981	7462414
reclassification of mycobacterium phlei pn-bb as rhodococcus bronchialis pn-bb.	mycobacterium phlei pn-bb, induced in the parental strain pn by gamma-radiation and ethyl methanesulfonate, should be reclassified as rhodococcus bronchialis pn-bb. the reclassification is based on the results of lipid analysis, dna-dna hybridization and several biochemical tests, performed in comparison with the parental strain pn, earlier reclassified as r. bronchialis, and r, bronchialis (n654).	1980	7469254
[difference of uptake of 2,6-diamino (g-3h) pimelic acid dihydrochloride among mycobacterium, rhodococcus, and nocardia (author's transl)].		1980	7373966
response of developing branched bacteria to adverse environments. ii. micromorphological effects of lysozyme on some aerobic actinomycetes.	an early symptom of lysozyme treatment of developing actinomycete microcolonies is hyphal tip swelling, illustrating the plasticity of this region in relation to filament extension. the reaction is not limited to true mycelia of streptomyces, streptoverticillium and rhodococcus but is also characteristic of unbranched filaments of actinomycetes exposed during their elongation stage. on the other hand rods whose extension has ceased and which are undergoing fragmentation do not show any localized ...	1980	7424249
the distribution of mycobacterium bovis in queensland cattle herds with observations on the laboratory diagnosis of tuberculosis.	of 1,791 tissues submitted from 1975 to 1978 for histological examination for tuberculosis, 78.5% were classified as tuberculosis, 8.1% as club-forming granulomas, 3.3% as hydatid cysts, 3.4% as other granulomas and 2.4% as squamous cell carcinomas. cultural examination of 2,682 tissues for mycobacteria yielded mycobacterium bovis from 42.88%, other mycobacteria from 7.64% and 0.89% rhodococcus (corynebacterium) equi. of 1,478 tissues on which both examinations were performed, culture and histol ...	1980	7018487
[development cycles of coryneform and nocardia-like bacteria].	the growth cycles and the types of cell separation were studied in a microchamber with the collection strains of brevibacterium ammoniagenes attc 6871, b. helvolum atcc 19239, b. linens ccm 47 and atcc 9174, b. maris vkm b-464 and b. stationis atcc 14403, as well as with the strains of the genus rhodococcus isolated from soils, viz. r. maris sp. nov. imb 283 and r. luteus sp. nov. imb 385. according to the increasing complexity of cellular morphological transformation in the life cycle, the orga ...	1980	6782438
[thin-layer chromatography after incubation with 35s-methionine.--meaning of petroleum ether-soluble fraction as aid to identification of mycobacterium, rhodococcus, and nocardia--(author's transl)].		1980	7289348
numerical classification of some named strains of nocardia asteroides and related isolates from soil.	one hundred and forty-nine strains of nocardiae, freshly isolated from soil samples obtained from a number of countries with either tropical or temperate climates, and from rubber pipe seals, were compared with appropriate marker cultures in a numerical phenetic study using 156 unit characters. marker strains were chosen to represent the nocardia asteroides complex, other nocardia species and related taxa in an effort both to classify the new soil isolates and, possibly, clarify the structure of ...	1980	7003057
[periodic macromolecule syntheses in synchronized cultures of species belonging to the "rhodococcus" genus ("rhodochrous" group) (author's transl)].	the synthesis of total proteins, total rna and dna in exponential synchronous cultures of species belonging to the rhodococcus genus (nocardia restricta and n. canicruria) has been studied by chemical methods and pulsed incorporations of labelled precursors in the acid-insoluble fraction. the replication of dna is discontinuous. syntheses of rna and proteins are periodic: they happen during two main periods during the time necessary for a doubling of the cell mass. a slowdown of these syntheses ...	1980	6155818
ribosomal ribonucleic acid similarities in the classification of rhodococcus and related taxa.	duplexes were prepared between 14c-labelled rrna from both rhodococcus equi c7 and rhodococcus rhodochrous n54 and dna from 16 actinomycetes representing the genera rhodococcus, mycobacterium, nocardia, saccharopolyspora and streptomyces. the relationships between the organisms were determined by plotting the temperature at which 50% of the duplex was denatured (tm(e)) against the percentage of rrna binding (microgram 14c-labelled rrna duplexed per 100 micrograms filter-bound dna). all of the st ...	1980	6160195
isoprenoid quinones in the classification of coryneform and related bacteria.	menaquinones were the only isoprenoid quinones found in 85 of the 95 coryneform bacteria examined. dihydromenaquinones having nine isoprene units were the main components isolated from corynebacterium bovis, from other glutamic acid-producing strains, and from arthrobacter globiformis and related species. dihydromenaquinones with eight isoprene units were found in brevibacterium linens, the remaining corynebacterium species and strains probably belonging to the genus rhodococcus. tetrahydromenaq ...	1979	107269
immunodiffusion studies of ribosomes in classification of mycobacteria and related taxa.	ribosomal preparations consisting of crude ribosomes (cr), 30s subunits (30s) and 16s core particles (16s) from four strains of the species mycobacterium bovis (bcg), mycobacterium fortuitum, mycobacterium phlei and mycobacterium smegmatis were analyzed by immunodiffusion technique for taxonomical purposes. the ribosomal preparations tested contained several interspecies cross-reacting precipitinogens. the number of precipitinogens demonstrated at the homologous reactions was generally larger th ...	1979	109401
differentiation of genera of the coryneform bacteria.	a scheme of the generic structure of the group of coryneform bacteria, including the genera arthrobacter, brevibacterium, cellulomonas, corynebacterium, and rhodococcus, is suggested. morphological, chemotaxonomic (presence and stereochemical form of diaminopimelic acid, lipid a, and l-arabinose), and physiological features were used as diagnostic criteria. the position of microbacterum and mycococcus and of coryneforms with a nocardial wall but giving a positive hugh-leifson anaerobic test, and ...	1979	121544
corynebacterium equi in human faeces.		1979	318474
[differentiation among mycobacterium, rhodococcus (gordona) and nocardia by thin-layer chromatography after incubation with acetate-1-14c (author's transl)].		1979	470298
[classification of bacteria of the genus rhodococcus by numerical taxonomic methods].		1979	514099
comparative studies of the strains pa and pn of mycobacterium phlei leading to their reclassification: examination of lipids and dna, biochemical tests and phage typing.	study of lipid and dna, biochemical tests and phage typing performed on the strain pa previously labelled mycobacterium phlei, lead to the conclusion that this strain belongs to the species m. smegmatis. parallel studies performed on strain pn, isolated from a culture of strain pa, as well as dna homology percentage of the two strains, do not support the assumption that strain pn could have resulted from a mutation of strain pa strain pn produces mycolic acids similar to those found in rhodococc ...	1979	539691
differentiation of rhodococcus (gordona) and nocardia by thinlayer chromatography after uptake of [35s]methionine.		1978	632808
[microorganisms of the genus nocardia and the "rhodochrous" group in the soils of the ukrainian ssr].	nocardioform bacteria characterized by the iv type of the cell wall and by lipid lcn-a are widely distributed in various soils of the ukrainian ssr. the acetamidase-negative forms of nocardia asteroides were found in 24.4% of soil samples, and the acetamidase-positive forms of this organism, in 4% of soil samples. the "rhodochrous" group was most often represented by the species n. erythropolis and n. rubropertincta, and less often, by nocardia (rhodococcus) rhodochrous, n. opaca and n. flava. t ...	1978	713879
serological study of nocardia pellegrino.	the serological relationship between nocardia pellegrino strains was studied by means of immunodiffusion technique. seven reference precipitation systems, including nocardia asteroides (three strains), n. pellegrino sn 5112, rhodococcus, rhodochrous (two strains) and n. erythropolis were used. with one exception all of the strains of nocardia pellegrino examined, seemed to be serologically related to the reference strain of n. pellegrino sn 5112. they showed 4-5 common precipitates.	1978	749778
dna homology studies on nocardia and rhodococcus strains.	the genetic homogeneity of nocardia amarae, nocardia autotrophica and rhodococcus strains and the relationship among these groups of microorganisms have been studied using the dna reassociation method. strains belonging to n. amarae and n. autotrophica form genetically homogeneous groups. distinct differences have been found out among rhodococcus strains.	1978	749779
the actinomycete-genus rhodococcus: a home for the "rhodochrous" complex.	a numerical taxonomic classification study was carried out on 177 strains representing the "rhodochrous" complex and the genera gordona, mycobacterium and nocardia. the strains were examined for 92 unit characters and the data were analysed by computer. three clusters were defined at the 75 to 80% similarity level. the first was a heterogeneous cluster corresponding to the "rhodochrous" taxon whereas the other two contained mycobacterium and nocardia strains respectively. the good correlation be ...	1977	874450
a comparative study of the 'rhodochrous' complex and related taxa by delayed-type skin reactions on guinea pigs and by polyacrylamide gel electrophoresis.	cell extracts prepared by ultrasonic disruption of 17 strains of the 'rhodochrous' complex and related taxa were compared by polyacrylamide gel electrophoresis and for immunologic relatedness, by skin test reactions. two organisms, jensenia canicruria and nocardia calcarea, gave similar gel patterns and skin test reactions, and are considered to be identical. extracts of nocardia rubra showed a strong antigenic relationship with those of three nocardia pellegrino organisms (n325, n324 and n420) ...	1977	70505
studies on strains of corynebacterium equi isolated from pigs.		1950	14800806