Publications
| Title | Abstract | Year(sorted ascending) Filter | PMID Filter |
|---|
| enterobacteria of emerging pathogenic significance from clinical cases in man and animals and detection of toads and wall lizards as their reservoirs. | a total of 416 samples comprising faecal samples from diarrhoeic cases of man, calves, sheep and goats, and urine samples from patients with urinary tract infections, were examined for the presence of enterobacteria of emerging pathogenic significance. citrobacter freundii from 20, c. intermedius biotype-a from four, serratia marcescens (serotype 05:h13, bactericin type 16) from one and erwinia herbicola from two human stool samples were isolated. only two urine samples yielded c. freundii. citr ... | 1978 | 582096 |
| [effect of erwinia carotovora bacteriophage 62 on various indexes of the immune system in animals with ehrlich carcinoma]. | 1978 | 567268 | |
| effect of three antagonists on the development of bacterial leaf streak of rice. | among 11 epiphytic microorganisms one species each of pseudomonas, erwinia, and aspergillus were antagonistic to xanthomonas translucens subsp. oryzicola. symptoms of bacterial leaf streak did not develop when the antagonists were sprayed on rice leaves 24 h before inoculation. although the symptoms developed when the antagonists were applied 24 h after inoculation, the number of lesions and their length was significantly reduced over control. when the mixture of each antagonist and the pathogen ... | 1978 | 567522 |
| comparative immunological studies on arylsulfatase in bacteria of the family enterobacteriaceae: occurrence of latent arylsulfatase protein regulated by sulfur compounds and tyramine. | the arylsulfatases of 21 strains of the family enterobacteriaceae were compared by measuring their enzymatic activities and immunological reactivities. enzyme formation under repressing, nonrepressing, and derepressing conditions was tested. antiserum prepared against pure arylsulfatase from klebsiella aerobgenes w70 was tested against the enzyme extracts from the strains using double diffusion, quantitative precipitation, and immunoelectrophoresis. no close relationship was found between arylsu ... | 1978 | 415041 |
| nitrogen fixation (acetylene reduction) associated with roots of winter wheat and sorghum in nebraska. | root segments and root-soil cores (6.5-cm diameter) from fields and nurseries of winter wheat and sorghum were tested for n2 fixation by using the acetylene reduction assay. wheat samples (approximately 1,200) from 109 sites generally had low or no activity (0 to 3.1 nmol of c2h4 produced per h per g [dry weight] of root segments), even after 24 h of incubation. however, a commercial field of scout 66, located in western nebraska, exhibited appreciable activity (290 nmol of c2h4 produced per h p ... | 1978 | 623458 |
| [inhibition of erhlich carcinoma and lymphoma nk/ly development by bacteriophage 62]. | 1978 | 634168 | |
| isolation and characterization of hfr strains of erwinia amylovora. | hfr strains (hfr 159 and its derivatives, hfr 160 and hfr 161) were constructed from erwinia amylovora icpb ea178 by introducing an escherichia coli f'his+ plasmid and then selecting for integration of f'his+ after treatment with acridine orange. the hfr strains were relatively stable upon repeated transfers on nonselective media. interrupted mating experiments and analyses of inheritance of unselected markers showed that his+ is transferred by hfr 159 as the proximal marker at a relatively high ... | 1978 | 638897 |
| purification and some properties of glycerol dehydrogenase from erwinia aroideae. | 1978 | 647848 | |
| [bacteriocinogenic activity of strains of the genus erwinia]. | antibacterial activity of 272 erwinia strains was studied. it was found that 182 or 66.9 per cent of the strains were capable of producing spontaneously antibacterial substances belonging to the class of bacteriocins; 125 bacteriocynogenic strains were divided into 25 groups on the basis of their antibacterial spectrum similarity; 57 bacteriocynogenic strains were not included into any of these groups because of their significant heterogenicity with respect to the feature studied. it was shown t ... | 1978 | 677837 |
| the role of nationwide nosocomial infection surveillance in detecting epidemic bacteremia due to contaminated intravenous fluids. | since january, 1970, the center for disease control (cdc) has corridnated surveillance of nosocomial infections in a group of voluntarily cooperating hispitals in the united states. in 1970, this surveillance system failed to realize one of its major goals: detection of a nationwide epidemic of septicemia caused by contaminated intravenous products. however, retrospective review of infections reported to cdc revealed that the data received were sufficient for the outbreak to have been recognized ... | 1978 | 707489 |
| exposure to dust-borne bacteria in agriculture. i. environmental studies. | in order to evaluate the exposure of agricultural workers to dust-borne bacteria, microbiological examinations of the air were performed in grain storing and processing plants and in animal houses. large concentrations of viable microorganisms, ranging from 129.2 to 1289.9 thousands/m3 of air, were found in the rooms contaminated with grain dust and much lower in those contaminated with flour dust (22.6 thousands/m3). bacteria predominated in the air of grain plants, whereas actinomycetes and fu ... | 1978 | 708119 |
| [hemolytic, plasmocoagulase and hyaluronidase activity of bacteria of the genus erwinia]. | 1978 | 732602 | |
| [numerical taxonomic studies on enterobacteria of surface-water (author's transl)]. | 435 enterobacterial strains of surface-water were tested in 35 physiological characters and classified numerically by a single-linkage procedure. the relations of similarity are shown in a "vernetzungsdiagramm" (connected graph, fig. 1). tab. 1 specifies the characters of the taxa, which were formed graphically. the following facts are the result of this taxonomic classification: 1. 32% of the escherichia group are kcn-positive. in addition it was found that 60% of the e. coli isolated from the ... | 1978 | 735569 |
| distribution of ice nucleation-active bacteria on plants in nature. | a replica plating method for rapid quantitation of ice nucleation-active (ina) bacteria was developed. leaf washings of plant samples from california, colorado, florida, louisiana, and wisconsin were tested for the presence of ina bacteria. of the 95 plant species sampled, 74 were found to harbor ina bacteria. only the conifers were, as a group, unlikely to harbor ina bacteria. all of the ina bacteria isolated resembled either pseudomonas syringae or erwinia herbicola. sufficient numbers of ina ... | 1978 | 736541 |
| proteins, phospholipid distribution and fluidity in membranes of the gram-negative bacterium erwinia carotovora [proceedings]. | 1978 | 744424 | |
| [characteristics of the conjugation transfer of the r plasmids in bacteria of the intestinal group to erwinia cells]. | the conjugal transfer of seven r factors with different genes of drug resistance from escherichia coli bacteria to twenty erwinia strains was studied. seven erwinia strains were able to accept r plasmids, however the frequency of r factors transfer from e. coli to erwinia was about 10(-6)-10(-4), and as a rule was higher when the cross was made at optimum temperature for the donor. the most of r- exconjugants showed higher degree of resistance to streptomycin and lower degrees of resistance to t ... | 1978 | 744476 |
| [l-asparaginase activity of microorganisms]. | l-asparaginase content was studied in 67 different microorganisms, bacterial strains of e. coli, pseudomonas, erwinia, proteus, alcaligenes, bacillus, bacteria. xanthomonas, and yeasts and fungi-saccharomyces, candida, aspergillus, epidermophyton, trichophyton. all the bacterial strains studied possessed l-asparaginase activity, which varied greatly depending on the representative (10-1200 iu/g dry weight of cells). yeasts and fungi displayed low l-asparaginase activity. | 1978 | 747012 |
| identification of erwinia sp., causing stalk rot of maize in egypt. | the physiological characteristics, pathogenic propensities, and the sensitivity towards certain antibiotics of the causal bacterium of stalk rot of maize, isolated in egypt, were studied. different isolates of erwinia carotovora and e. atroseptica were included for comparative studies. the antibiotic sensitivity tests (including erythromycin) are of no value in differentiating between e. carotovora and e. atroseptica. the cultures of the causal bacterium of stalk rot of maize showed physiologica ... | 1978 | 749412 |
| characterization and clinical identification of enterobacteriaceae by dna hybridization. | 1978 | 345354 | |
| [f'colvcolbtrpcys plasmid in erwinia aroideae]. | erwinia aroideae carries a cryptic plasmid with 30 s sedimentation coefficient. plasmid f'colvcolbtrpcys does not dissociate in e. aroideae and is replicated under stringent control since the number of plasmid copies per chromosome does not exceed one. the behaviour of f'colvcolbtrpcys plasmid in e. aroideae is characterized by (1) instability observed at both spontaneous and after eb treatment, (2) depression of plasmid genes that determine colicin synthesis. | 1978 | 346444 |
| [infections due to chromobacterium, serratia, erwinia and flavobacterium (the so-called chromobacterioses)]. | 1978 | 361381 | |
| trypsin peptide patterns of tryptophan synthase beta2 protein among four species of the enterobacteriaceae. | the tryptophan synthase beta 2 protein (ec 4.2.1.20) of escherichia coli, enterobacter aerogenes, serratia marcescens, and erwinia carotovora was purified and compared. two-dimensional total peptide patterns for each of the four beta2 proteins obtained after digestion with trypsin showed that approximately three quarters of the total peptides are common to all four peptides. examination of only arginine-containing peptides showed that approximately half of these peptides are common. from a compa ... | 1978 | 361723 |
| [transmission of f'lac plasmid from escherichia coli k-12 to bacteria of the genus erwinia]. | the f'lac plasmid was transferred by conjugation from escherichia coli k-12 w1655 to 21 lac- strains of erwinia spp. (5.2 . 10(-6) to 6.8 . 10(-2) lac+ exconjugants per donor cell). erw. herbicola and erw. chrysanthemi were the better recipients than others. the degree of the stability of lac+ genes in erwinia exconjugants depends on the strains. stable exconjugants of erwinia, which harbored f'lac plasmid, were able to utilize lactose, to transfer lac genes by conjugation to erwinia spp. and e. ... | 1978 | 363511 |
| serologic studies of the maize stalk rot pathogen erwinia carotovora f. sp. zeae. | with the help of serological techniques, namely microprecipitin, agglutination, and gel diffusion, sixteen isolates of maize stalk rot pathogen were proved to be identical. serological techniques have thus been utilized as an additional tool for identifying the pathogen erwinia carotovora f. sp. zea. it was also established that the pathogen does not perpetuate in the seed, either externally of internally. it could, however, be found through serological tests that infected ears carried the patho ... | 1978 | 96628 |
| exposure to dust-borne bacteria in agriculture. ii. immunological survey. | in order to investigate whether high exposure to erwinia herbicola causes sensitization in grain handlers, immunological tests (agargel precipitation, complement fixation, passive cutaneous anaphylaxis, and intradermal) with the extracts of these bacteria were performed in different groups of grain workers and in other groups of population. tests with extracts of grain dust and other microorganisms were also performed. grain workers showed in all the tests high incidence of positive reactions to ... | 1978 | 101155 |
| [sensitivity of causative agents of lupine bacteriosis to oxine group compounds]. | 1978 | 102908 | |
| purification and properties of a third form of anthranilate-5-phosphoribosylpyrophosphate phosphoribosyltransferase from the enterobacteriaceae. | anthranilate-5-phosphoribosylpyrophosphate phosphoribosyltransferase was purified from the bacterium erwinia carotovora, a member of the enterobacteriaceae. the enzyme was homogeneous according to the criteria of gel electrophoresis and nh2-terminal amino acid sequence analysis. the molecular weight of the enzyme as determined on a calibrated sephadex g-200 column was 67,000 +/- 2,000. sodium dodecyl sulfate-polyacrylamide gels gave a subunit molecular weight of 40,000 +/- 1,000, suggesting that ... | 1978 | 338606 |
| [structural components of adenvoiruses and other dna-genome viruses]. | 1978 | 78433 | |
| bacterial 2,3-butanediol dehydrogenases. | enterobacter aerogenes, aeromonas hydrophila, serratia marcescens and staphylococcus aureus possessing l(+)-butanediol dehydrogenase produced mainly meso-butanediol and small amounts of optically active butanediol; acetobacter suboxydans, bacillus polymyxa and erwinia carotovora containing d(-)-butanediol dehydrogenase produced more optically active butanediol than meso-butanediol. resting and growing cells of these organisms oxidezed only one enantiomer of racemic butanediol. the d(-)-butanedio ... | 1978 | 25056 |
| studies of relationship among terrestrial pseudomonas, alcaligenes, and enterobacteria by an immunological comparison of glutamine synthetase. | antibody to purified glutamine synthetase from escherichia coli was prepared and used for an immunological comparison of glutamine synthetases from species of salmonella, citrobacter, enterobacter, serratia, proteus, erwinia, aeromonas, pseudomonas, acinetobacter, xanthomonas, alcaligenes, and paracoccus. the results of ouchterlony double diffusion experiments and quantitative microcomplement fixation studies indicated that the amino acid sequence of this enzyme was highly conserved in different ... | 1978 | 31146 |
| 2,4-dihydroxy-7-methoxy-2h-1,4-benzoxazin-3(4h)-one, an inhibitor from zea mays with differential activity against soft rotting erwinia species. | [2,4-dihydroxy-7-methoxy-2h-1,4-benzoxazin-3(4h)-one] dimboa was extracted with ethyl acetate from acidified water homogenates of corn (zea mays l.) seedlings. pure dimboa or ethyl acetate extracts of corn tissue were added to bacterial growth medium at five concentrations (measured as hydroxamates). dimboa and corn extracts were more inhibitory to soft rot bacteria (erwinia spp.) that are nonpathogenic to corn than to soft rot bacteria that are corn pathogens. the inhibitory activity of dimboa ... | 1978 | 16660387 |
| decomposition of 2,4-dihydroxy-7-methoxy-2h-1,4-benzoxazin-3(4h)-one in aqueous solutions. | cyclic hydroxamic acids present in some species of gramineae have been reported to be important in resistance of these plants to fungi and insects. since the nonglucosylated forms of these acids are unstable in aqueous solution, in vitro methods for the measurement of their antibiotic properties have been difficult. kinetics of the decomposition of 2,4-dihydroxy-7-methoxy-2h-1,4-benzoxazin-3(4h)-one (dimboa), the major hydroxamate in corn (zea mays l.) extracts, were studied in buffered aqueous ... | 1978 | 16660388 |
| factors that influence the activity of 2,4-dihydroxy-7-methoxy-2h-1,4-benzoxazin-3(4h)-one on erwinia species in growth assays. | factors affecting the inhibitory activity of 2,4-dihydroxy-7-methoxy-2h-1,4-benzoxazin-3(4h)-one (dimboa) against erwinia carotovora, a nonpathogen of zea mays l., and against a maize pathovar of erwinia chrysanthemi (ecz) were examined. most experiments were performed with dimboa dissolved in a bacterial growth medium containing 10 g/liter of sucrose, inorganic salts, and 1 g/liter of casamino acids at ph 6.75. when temperature and ph were held constant, inhibition of e. carotovora varied linea ... | 1978 | 16660389 |
| extracellular polysaccharide of erwinia amylovora: a correlation with virulence. | the extracellular polysaccharides produced as slime or capsule layers by bacterial pathogens of animals and plants have been often implicated as factors essential to pathogenesis. in the present study, virulence of the plant pathogen erwinia amylovora was correlated with the ability to produce extracellular polysaccharide (eps). eps production by a series of field isolates and bacterio-phage-resistant mutants differing in the extent to which they cause symptoms in host tissues was examined by qu ... | 1979 | 16345446 |
| production of cellulase (cx) by different species of erwinia. | the tested isolates of erwinia chrysanthemi (corn pathotype) and e. carotovora constitutively produce high levels of cellulase(s) (cx) in presence or absence of carboxymethyl-cellulose (cmc) as substrate in the medium. the tested isolates of e. atroseptica produced high levels of cellulase when grown in presence of both carboxymethyl-cellulose (cmc) and sucrose, low levels in presence of carboxymethyl-cellulose alone, and traces of cellulase(s) in presence of sucrose alone. the activity of cellu ... | 1979 | 38608 |
| characterization of a bacteriocin produced by erwinia uredovora [proceedings]. | 1979 | 93940 | |
| homology of the gene coding for outer membrane lipoprotein within various gram-negative bacteria. | the mrna for a major outer membrane lipoprotein from escherichia coli was found to hybridize specifically with one of the ecori and one of the hindiii restriction endonuclease-generated fragments of total dna from nine bacteria in the family enterobacteriaceae: e. coli, shigella dysenteriae, salmonella typhimurium, citrobacter freundii, klebsiella aerogenes, enterobacter aerogenes, edwardsiella tarda, serratia marcescens, and erwinia amylovora. however, among the enterobacteriaceae, dna from two ... | 1979 | 104972 |
| the effect of chemical modification of l-asparaginase on its persistence in circulating blood of animals. | 1979 | 110336 | |
| differential toxicities of mercury to bacteria and bacteriophages in sea and in lake water. | mixtures of anionic hgcl3-/hgcl4(2)-complexes were less toxic to terrestrial bacteria (erwinia herbicola, agrobacterium tumefaciens), to marine bacteria (acinetobacter sp., aeromonas sp.), and to bacteriophages (phi 11 m 15 of staphylococcus aureus and p1 of escherichia coli) than were equivalent concentrations of hg as cationic hg2+. the toxicity of 1 ppm hg to a. tumefaciens. aeromonas sp., and phi 11 m 15 was less in seawater than in lake water. inasmuch as the hg-cl species are formed in env ... | 1979 | 161510 |
| "self-catabolite repression" of pectate lyase in erwinia carotovora. | the induction of pectate lyase of erwinia carotovora was repressed by a high concentration of its inducer. the concomitant addition of cyclic adenosine 3',5'-monophosphate reversed this repression. | 1979 | 217862 |
| a convenient coupled assay for tyrosine phenol lyase (deaminating) [proceedings]. | 1979 | 225229 | |
| synthesis and excretion of polygalacturonic acid trans-eliminase in erwinia, yersinia, and klebsiella species. | 1979 | 371775 | |
| [expression of the gene for tetracycline resistance of plasmids r6 and rp4 in bacteria of the family enterobacteriaceae]. | it was found that manifestation of the tetracycline resistance gene depended on the type of the plasmid containing the gene. the tetracycline resistance gene was subject to less repression in plasmid r6 than in plasmid rp4. sensitivity of the initial plasmid-free bacteria varied within lower dose ranges than that of the plasmid-carrying strains. regulation of the tetracycline resistance gene manifestation in the given plasmid may change in different bacterial hosts, i.e. in different cytoplasmic ... | 1979 | 375821 |
| improvement in the therapeutic, immunological, and clearance properties of escherichia coli and erwinia carotovora l-asparaginases by attachment of poly-dl-alanyl peptides. | the chemical modification of both escherichia coli and erwinia carotovora asparaginases by a dl-alanine-n-carboxyanhydride polymerization technique produced modified enzymes which had greater protease stability, retained most of their catalytic activity, and demonstrated a 7- to 10-fold prolongation in plasma clearance properties in normal mice and rats. concomitantly, plasma substrate depletion was also extended 5 to 13 days longer for the modified as compared with the native enzymes. for prepa ... | 1979 | 376113 |
| exocellular, microbial polysaccharides. | 1979 | 380276 | |
| nitrogen fixation in a biotype of erwinia herbicola resembling escherichia coli. | 1979 | 383675 | |
| [acceptance and transfer of plasmid rts1 by bacteria of the genus erwinia]. | the ability of 13 erwinia strains to accept, to inherit and to transmit the rts1 factor by conjugation was studied. 11 strains accepted the rts1 factor from escherichia coli k-12 csh-2 with the frequency of about 10(-7)--10(-3). the rts1 factor was genetically stable in the erwinia cells and was not eliminated by acriflavine and under the temperature of 37 and 42 degrees c. all the r+ exconjugants were characterized with more high degree of the resistance of kanamycin than e. coli cells harbouri ... | 1979 | 387520 |
| lysinoalanine utilization by erwinia chrysanthemi and escherichia coli. | 1979 | 387557 | |
| nitrogen fixation associated with 'park' kentucky bluegrass (poa pratensis l.). | associative nitrogen fixation in kentucky bluegrass (poa pratensis l.) turfs inoculated with five nitrogen-fixing bacterial isolates was evaluated using the acetylene reduction assay and nitrogen accumulation as indicators of fixation. 'park' and 'nugget' kentucky bluegrass turfs were grown in controlled environment chambers and inoculated with klebsiella pneumoniae (w-2, w-6, and w-14), erwinia herbicola (w-8), and enterobacter cloacae (w-11). 'park' inoculated with k. pneumoniae (w-6) had sign ... | 1979 | 394819 |
| influence of culture medium of the fatty-acid profile in enteric bacteria. | enteric bacteria having a high content of cyclopropane fatty acids steeply increase their synthesis when grown on insufficiently propitious culture media (meat-peptone agar or modified drobot'ko synthetic medium) as compared with bacteria grown under more favourable conditions (meat-peptone broth). simultaneously, a decrease in monounsaturated fatty acids and increase in palmitic acid are observed. one of the main factors underlying the change in the proportion of fatty acids in bacteria grown o ... | 1979 | 399287 |
| enterobacteriaceae infections in man and animals and detection of their natural reservoirs in india. | the study presents a summary of the results regarding the presence of enterobacteriaceae in domestic animals and birds, endeavouring to explain the origin of the infections. wild reptiles, amphibians, mammalia, rodents and birds were examined into the demonstration of enterobacteriaceae, whereby particular attention was paid to the following species: arizona, edwardsiella, citrobacter, enterobacter, serratia, yersinia and erwinia. | 1979 | 452773 |
| the post-harvest fruit rots of tomato (lycopersicum esculentum) in nigeria. | a survey of the post-harvest fruit rot diseases of tomato was conducted in five states of nigeria. during severe infections, the diseases could cause 25% loss at harvest and 34% loss of the remaining product in transit, storage and market stalls; thus giving an overall loss of about 50% of the product. two types of rots, soft and dry were recognised. the soft rot was found to account for about 85% and the dry rot about 15% of the overall loss. erwinia carotovora, rhizopus oryzae, r. stolonifer, ... | 1979 | 471028 |
| [bacteriocins of genus erwinia--especially on the bacteriocins from e. carotovora (author's transl)]. | 1979 | 472330 | |
| [model trials for isolation of soft rot bacteria by media containing pectic substances (author's transl)]. | 1. under aerobic conditions bacterial soft rots are caused in the most cases by pectolytic erwinia, pseudomonas, and bacillus spp. 2. using 7 soft rotting strains several selective media were tested for their ability to sure a quick and exact isolation and differentiation of these pathogens. by bile salt-lactose-medium all erwinia spp. under test could be isolated. for isolation of pectinolytic pseudomonas strains the d4 medium of kado and heskett was suitable as the best one. 3. by the use of s ... | 1979 | 473958 |
| significance of erwinia in the vagina as causative agents of urinary tract infections. | the isolation of erwiniae from the vagina became positive just before the occurrence of erwiniuria. it is proposed that the appearance of erwiniae in the vagina is an important indicator in the prediction of urinary tract infection by erwiniae. | 1979 | 494253 |
| [biological properties of erwinia herbicola (duggeli) dye isolated from plants of the cucurbitaceous family]. | 1979 | 530119 | |
| gas chromatographic analysis of in situ cyclitol utilization by klebsielleae growing in redwood extracts. | gas chromatographic analysis was employed to demonstrate in situ cyclitol utilization in aqueous extracts of redwood by isolates of klebsiella, enterobacter, and several other genera of gram-negative bacteria. in aqueous redwood extracts, all but one of the klebsiella and enterobacter isolates tested reached densities exceeding 5.0 x 10(6) cells/ml within 4 days, and all utilized pinitol and sequoyitol. other enteric bacteria did not utilize cyclitols in this extract. a defined minimal medium, c ... | 1979 | 539819 |
| head rot of seed cabbage in kulu valley and its control. | 1979 | 548524 | |
| [interest of gamma-glutamyltransferase in "enterobacteriaceae" (author's transl)]. | gamma-glutamyltransferase (gammagt) could be detected in 86,6% of 3,027 strains of enterobacteriaceae, by the use of gamma-l-glutamin-p-nitranilide acid for substrate. the following species produced gamma gt: citrobacter freundii, levinea malonatica, l. amalonatica, klebsiella pneumoniae, k. oxytoca, k. ozaenae, enterobacter aerogenes, e. cloacae, e. agglomerans, e. gergoviae, k. ozaenae, enterobacter aerogenes, e. cloacae, e. agglomerans, e. gergoviae, hafnia alvei, erwinia carotovora, serratia ... | 1980 | 6104464 |
| 3''-phosphoryldihydrostreptomycin produced by the inactivating enzyme of erwinia carotovora. | 1980 | 6154682 | |
| serological relationships among flagella of erwinia carotovor var. atroseptica and some e. carotovora var. carotovora serogorups. | the 2 erwinia carotovora var. atroseptica serogroups and 2 out of 16 e. carotovora var. carotovora serogroups previously established on the basis of diffusible somatic antigens were shown to be serologically related by agglutination procedures using whole cells. the common agglutinating antigen in serogroups i, iii, v, and xviii was heat labile and identified as the bacterial flagella by the fluorescent antibody staining procedure. a few strains in serogorups i and iii apparently lacked flagella ... | 1980 | 6156748 |
| plasmid pea566 from erwinia aroideae. | a new plasmid designated pea566 was isolated from erwinia aroideae. the molecular weight of the plasmid, as determined by neutral and alkaline sucrose gradient centrifugation, electron microscopy, and agarose gel electrophoresis, was 6.6 x 10(6). the plasmid replicated under relaxed control, had three cleavage sites for kpni restriction endonuclease, and no sites for ecori, bamhi, sali, psti, and hindiii. | 1980 | 6927815 |
| generalized transduction in the enterobacterial phytopathogen erwinia chrysanthemi. | bacteriophages induced by mitomycin treatment of erwinia chrysanthemi ks612 produced plaques on lawns of e. chrysanthemi ec183 and ks605. bacteriophage erch-12, purified from one such plaque, transferred an array of chromosomal genes (arg, leu, his, ser, thr, trp, ura) to appropriate recipient strains derived from e. chrysanthemi ec 183. recombinants were formed in the absence of cellular contact between donor and recipient bacteria and in the presence of deoxyribonuclease. ultraviolet irradiati ... | 1980 | 6931829 |
| distribution of coenzyme b12-dependent diol dehydratase and glycerol dehydratase in selected genera of enterobacteriaceae and propionibacteriaceae. | the presence of diol dehydratase and glycerol dehydratase was shown in several bacteria of enterobacteriaceae grown anaerobically on 1,2-propanediol and on glycerol, respectively. diol dehydratases of enterobacteriaceae were immunologically similar, but distinct from that of propionibacterium freudenreichii. | 1980 | 6988416 |
| acceptance by erwinia spp. of r plasmid r68.45 and its ability to mobilize the chromosome of erwinia chrysanthemi. | r plasmid r68.45 was transferred in broth matings from escherichia coli to strains of erwinia amylovora, e. carotovora subsp. atroseptica, e. chrysanthemi, and e. herbicola (enterobacter agglomerans); the frequency of transfer ranged from 2 x 10(-8) to 5 x 10(-4) per input donor cell depending on the bacterial species. the drug resistance markers tet(+), amp(+), and kan(+) were stable in these erwinia species. transconjugants of erwinia spp., but not of the wild-type parent erwinia strains, acqu ... | 1980 | 6989797 |
| phosphatidylethanolamine distribution and fluidity in outer and inner membranes of the gram-negative bacterium erwinia carotovora. | 1. the distribution of phosphatidylethanolamine, the major lipid of erwinia carotovora, was investigated in intact bacteria, spheroplasts and outer- and inner-membrane preparations, with the amino-group reagent 2,4,6-trinitrobenzenesulphonic acid. only 4% was found on the external surface of the outer membrane with 30% on the internal surface, whereas the inner membrane had 27 and 38% on its external and internal surfaces respectively. some comparative studies were made with three other bacteri ... | 1980 | 6996674 |
| expression of klebsiella his and nif genes in serratia marcescens, erwinia herbicola and proteus mirabilis. | plasmid prd1, an r plasmid of the p incompatibility group which carries his and nif genes from klebsiella pneumoniae in addition to drug resistance markers derived from rp4, was transferred to his- mutants of serratia marcescens, erwinia herbicola and proteus mirabilis. his+ transconjugants were obtained at low but different frequencies according to recipient genus. transconjugants all acquired the drug resistance, and were nif+ in s. marcescens and e. herbicola, having acetylene-reducing activi ... | 1980 | 7000024 |
| collaborative investigation of the automicrobic system enterobacteriaceae biochemical card. | the enterobacteriaceae biochemical card used in six separate laboratories to identify 170 representatives of enterobacteriaceae. the automicrobic system (vitek systems, inc.) performed with an accuracy of 97.8% as compared with 98.1% by the standard method selected and 97.6% by a commerically prepared manual system approach. during this time, 5,450 clinical isolates belonging to enterobacteriaceae were analyzed. compared with the routine methods used in the various laboratories, the automicrobic ... | 1980 | 7000819 |
| [some properties of bacteriocins from erwinia]. | the following properties of eight bacteriocins produced by erwinia strains were investigated: thermal stability, sensitivity to proteolytc enzymes and enzymes involved in nucleic acid catabolism, dialyzability through a cellophane membrane. their molecular weight was also measured. the bacteriocins proved to be protein substances with a molecular weight of 17,000--33,000 that differed in their thermal stability and sensitivity to proteolytic enzymes. | 1980 | 7001436 |
| genetics of erwinia species. | 1980 | 7002034 | |
| conservation and variation of nucleotide sequences within related bacterial genomes: enterobacteria. | we have assessed the degree of relatedness of several portions of the escherichia coli genome to the corresponding portions of the genomes of representative enteric bacteria, using the southern transfer and hybridization technique (e. southern, j. mol. biol. 98:503-517, 1975). the degree of relatedness varied among the regions examined. judging both by the relative amounts of deoxyribonucleic acid in the various enteric genomes that are highly homologous and by the conservation of positions of r ... | 1980 | 6447143 |
| [metabolism of dicarboxylic amino acids and their amides in microorganisms of the enteric group]. | 1980 | 6778037 | |
| enzymatic synthesis of purine 2'-amino-2'-deoxyriboside. | 1980 | 7053061 | |
| numerical and dna: dna reassociation analyses of erwinia rubrifaciens and other members of the enterobacteriaceae. | phenetic data on 75 strains of erwinia and other representative genera of the enterobacteriaceae were collected and analysed using two numerical taxonomic methods. in both methods the same subclusters were recovered. the subclusters, however, were defined at different similarity levels and were classified into clusters of different composition. erwinia rubrifaciens strains formed a very tight, homogeneous subcluster, completely distinct and readily distinguishable from other erwinia and enteroba ... | 1980 | 7217917 |
| a new and facile synthesis of purine 2'-amino-2'-deoxyribosides by a combination of chemical and enzymatic reactions. | an enzymatic synthesis of 2'-amino-2'-deoxy-2-chloroinosine and its chemical conversion to purine 2'-amino-2'-deoxyribosides are described. in addition, some of 2'-amino-2'-deoxy-ribosides of 6-substituted purine were also prepared from 2'-amino-2'-deoxyinosine. | 1980 | 7255182 |
| [comparative studies on the skin and inhalation tests with erwinia herbicola allergen in bronchial asthma and chronic obstructive bronchitis]. | 1980 | 7255211 | |
| [early results of specific desensitization with erwinia herbicola allergen in bronchial asthma]. | 1980 | 7255212 | |
| affinity chromatography of some pyridoxal phosphate-requiring enzymes on cibacron blue f3ga-agarose. | tyrosine phenol-lyase from erwinia herbicola was purified from a cell-free extract in a single step on cibacron blue f3ga-agarose. the protein was purified as the apoenzyme and was unstable after affinity chromatography. alanine aminotransferase and aspartate aminotransferase from porcine heart also bound to cibacron blue f3ga-agarose. these enzymes were partially purified as holoenzymes from a crude porcine heart extract by elution with nadh and kcl. alanine aminotransferase was purified 19 fol ... | 1980 | 7255863 |
| microbial metabolism of amino alcohols. biosynthetic utilization of ethanolamine for lipid synthesis by bacteria. | 1. ten bacteria utilizing [2-14c]ethanol-2-amine as the sole or major source of nitrogen for growth on glycerol + salts medium incorporated radioactivity into a variety of bacterial substances. a high proportion was commonly found in lipid fractions, particularly in the case of erwinia carotovora. 2. detailed studies of [14c]ethanolamine incorporation into lipids by five bacteria, including e. carotovora, showed that all detectable lipids were labelled. even where phosphatidylethanolamine was th ... | 1980 | 7370003 |
| interaction between age of maize plants, environmental factors, and inoculum strength of erwinia carotovora var. chrysanthemi on the extent of stalk rot incidence. | for optimum disease incidence and maximum mortality of maize plants, due to erwinia carotovora var. chrysanthemi (burkholder et al.) dye, a temperature of 35 degrees c accompanied with 70 per cent humidity and inoculum potency of 2 x 10(8) cells/ml were essential for younger plants of 15 and 30 days of age. on the other hand, 45- and 60-day-old plants, due to acquisition of a certain degree of maturity, although responding and showing maximum disease symptoms at the same temperature of 35 degree ... | 1980 | 7376756 |
| [isolation, purification and some properties of tyrosine-phenol-lyase from citrobacter freundii cells]. | a new procedure for isolation of tyrosine-phenol-lyase from the cells of c. freundii strain 62 allowing to obtain a highly purified enzyme with a high yield at a reduced time expenditure has been developed. the procedure described differs from the well-known method for isolation of the enzyme from the cells of escherichia intermedia and erwinia herbicola. some properties of the enzyme from c. freundii 62, e.g. stability, dependence of the enzyme activity on some mono- and bivalent cations and ph ... | 1980 | 7378508 |
| [biological and physicochemical properties of virulent and temperate phages of erwinia carotovora]. | 1980 | 7382866 | |
| [experimental rabbit corneal infection caused by erwinia hervicola--virulence of erwinia herbicola and effect of corticosteroid (author's transl)]. | 1980 | 7386316 | |
| [certain features of ornithine decarboxylase biosynthesis by erwinia carotovora 438]. | 1980 | 7402100 | |
| [study of the transfecting properties of the dna of virulent and moderate erwinia carotovora phages]. | 1980 | 7402109 | |
| herbicolins--new peptide antibiotics from erwinia herbicola. | erwinia herbicols (strain a 111) produces two acylated peptide antibiotics herbicolins a and b. isolation of herbicolins was performed by adsorption on a polystryrol adsorbent followed by elution with methanol. further purification was achieved by gel filtration on sephadex lh-20, counter-current distribution or by tlc. herbicolin a was chemically characterized, containing 2 glycines, 1 l-threonine, 1 d-allo-threonine, 1 d-glutamic acid, 1 d-leucine, 1 l-agrinine and beta-hydroxy myristic acid. ... | 1980 | 7410203 |
| [herbicolins--new acylpeptide antibiotics with antimycetic activity against dermatophytes (author's transl)]. | 1980 | 7421883 | |
| studies on the preservation of erwinia carotovora var. chrysanthemi (burkholder et al.) dye cultures. | it can be concluded that the maize stalk rot pathogen erwinia carotovora var. chrysanthemi (burkholder et al.). dye retained its viability and infectivity for three years when kept in sterile distilled water at low temperature. | 1980 | 7424221 |
| [physicochemical properties of the dna of virulent and moderate erwinia carotovora phages]. | 1980 | 7432206 | |
| nutritional requirements and biochemical activities of pineapple pink disease bacterial strains from hawaii. | bacteria which cause pink disease of pineapple, identified on the basis of their nutritional and biochemical activities, were found to belong to three genera. these bacteria include the following species: gluconobacter oxydans, acetobacter aceti, and erwinia herbicola. several pink disease strains required one to three vitamins for growth. both g. oxydans strains 303d and 180 required biotin, nicotinic acid, and pantothenic acid for growth; e. herbicola 189 required only nicotinic acid; however, ... | 1980 | 7436404 |
| sensitivity of some erwinia carotovora serogroups to macromolecular bacteriocins. | representative strains from each of 18 erwinia carotovora serogroups were tested for bacteriocin activity. eight bacteriocin producing strains were found and the bacteriocins partially purified by ammonium sulfate fractionation and high-speed centrifugation. bacteriocins from all eight strains were morphologically similar to bacteriophage tails. specific absorption of bacteriocins from one of the antagonistic strains to sensitive bacterial cells was demonstrated with electron microscopy. in four ... | 1980 | 7459719 |
| [localization of ornithine decarboxylase in the cell of erwinia carotovora 438]. | 1980 | 7464573 | |
| [properties of the bacteriocin of erwinia aroideae]. | erwinicin, produced by erwinia aroideae cells, consists of rod-shaped particles. the molecular weight of such particles, determined by the method of sedimentation in saccharose gradient, is 15 megadaltons. the size of the particles is 14 x 160 nm. the preparations of erwinicin are thermolabile, insensitive to the action of rnaase, pronase, dnaase and possess antigenic properties. the synthesis of erwinicin is an inducible process. | 1980 | 7190345 |
| [experimental rabbit corneal infection caused by erwinia herbicola. ii. the variation of the agglutination titer and number of peripheral lymphocytes (author's transl)]. | 1980 | 7211610 | |
| dinitrogen-fixing bacteria: computer-assisted identification of soil isolates. | dinitrogen-fixing (acetylene-reducing) bacteria may be readily isolated from soils but extensive biochemical or immunobiological testing, or both, are required to identify them absolutely. a computer-assisted scheme for identification of nine genera of dinitrogen-fixing bacteria was developed and tested. the computer program is based on interpretation of the 70 biochemical tests of the api 20e and 50e, supplemented with tests for acetylene reduction, nitrate and nitrite reduction, catalase, oxid ... | 1980 | 7214218 |
| fine structure of extracellular polysaccharide of erwinia amylovora. | virulent e(9) and avirulent e(8) strains of erwinia amylovora were shown by means of light, transmission, and scanning microscopy to be, respectively, encapsulated and unencapsulated. difficulty was encountered in stabilizing the fibrillar-appearing capsular extracellular polysaccharide. we suggest that the ephemeral nature of extracellular polysaccharide is due to the collapse of its extended structure upon dehydration. this occurs when bacteria are prepared for either transmission or scanning ... | 1980 | 16345638 |
| agglutination of erwinia stewartii strains with a corn agglutinin: correlation with extracellular polysaccharide production and pathogenicity. | a bacterial agglutinin was extracted from ground corn (wi hybrid 64a x w117) seed with phosphate-buffered saline (ph 6.0) and precipitated with (nh(4))(2)so(4) at 70% saturation. the activities of this agglutinin against 22 strains of erwinia stewartii (agent of bacterial wilt of corn) that varied in virulence were determined. specific agglutination (agglutination titer per milligram of protein per milliliter) values were correlated negatively with virulence ratings. strains with high specific a ... | 1981 | 16345833 |
| bacterial culture preservation in frozen and dry-film methylcellulose. | forty-seven of 61 bacterial cultures, including strains of pseudomonas, xanthomonas, erwinia, agrobacterium, corynebacterium, serratia, klebsiella, and escherichia, remained viable after storage in frozen methylcellulose or in dried methylcellulose for up to 38 months. pathogenicity remained intact for those strains tested. bacteria were grown on a solid medium and then removed and placed in 1.0% methylcellulose (cellulose methyl ether) to make a final suspension of 10 colony-forming units (cfu) ... | 1981 | 16345889 |
| host-pathogen interactions : xviii. isolation and biological activity of glycinol, a pterocarpan phytoalexin synthesized by soybeans. | a previously unrecognized phytoalexin has been isolated from soybean cotyledons that had been infected with bacteria or exposed to ultraviolet light. the phytoalexin has been purified to homogeneity by silica gel flash chromatography and high pressure liquid chromatography. it has been structurally characterized by its ultraviolet, circular dichroism and nuclear magnetic resonance spectra, polarimetry, and its mass spectrometric fragmentation pattern. the phytoalexin, (6as,11as)-3,6a,9-trihydrox ... | 1981 | 16661917 |
| isolation of a factor from apple that agglutinates erwinia amylovora. | extracts prepared from apple seeds contain a factor (af) capable of agglutinating cells of erwinia amylovora. in drop agglutination tests, af is more active in agglutinating an avirulent, acapsular strain of e. amylovora than a virulent, capsular strain. af precipitates in agar plates with a receptor derived from boiled cells of avirulent acapsular strain and, therefore, can be located during fractionation by rocket electrophoresis. af was heat-stable and had a ph optimum for agglutination near ... | 1981 | 16661997 |