Publications
| Title | Abstract | Year Filter | PMID(sorted descending) Filter |
|---|
| 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 |
| 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 |
| lysinoalanine utilization by erwinia chrysanthemi and escherichia coli. | 1979 | 387557 | |
| [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 |
| nitrogen fixation in a biotype of erwinia herbicola resembling escherichia coli. | 1979 | 383675 | |
| exocellular, microbial polysaccharides. | 1979 | 380276 | |
| 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 |
| [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 |
| synthesis and excretion of polygalacturonic acid trans-eliminase in erwinia, yersinia, and klebsiella species. | 1979 | 371775 | |
| [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 |
| 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 |
| [infections due to chromobacterium, serratia, erwinia and flavobacterium (the so-called chromobacterioses)]. | 1978 | 361381 | |
| [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 |
| characterization and clinical identification of enterobacteriaceae by dna hybridization. | 1978 | 345354 | |
| toxic and immunodepressive effects of l-asparaginase from e. coli and from erwinia carotovora following chronic administration in rats. | the effects of the administration of l-asparaginase from e. coli and erwinia carotovora were studied in rats treated for 90 days with 800 or 3200 iu/kg body weight. the studies included overall toxicity on the liver, pancreas, and enteric mucosa as evaluated by both opitcal and electron microscopic examination, biochemical findings, behaviour of igm-hemolysin producing cells, and antias-paraginase antibody production. the toxic effect and the immunodepressive activity appeared rather early, tend ... | 1977 | 341899 |
| 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 |
| enzymatic degradation of polygalacturonic acid by yersinia and klebsiella species in relation to clinical laboratory procedures. | as scored by several specified plating procedures, clinical and environmental strains of yersinia enterocolitica, yersinia pseudotuberculosis, and klebsiella pneumoniae "oxytocum" showed detectable, albeit generally weak, ability to digest polygalacturonic (pectic) acid. none of these bacterial strains had the vigorous and rapid pectolytic activity on these polygalacturonic acid-containing media that is typical of soft-rot erwinia species, although some of the oxytocum strains came fairly close. ... | 1977 | 334794 |
| bacterial phytotoxins. | representatives of all of the major genera of plant disease-causing bacteria have been shown to produce one or more phytotoxins. toxicological studies on the bacterial diseases of the major food crops have not been extensive. bacterial phytotoxins belong to a number of classes of organic substances, including peptide, derivatized amino acid, polysaccharide, and glycopeptide. the mechanism of action of these compounds is largely unknown, as is their origin and importance in the disease syndrome. ... | 1977 | 334039 |
| transfer of episome f'lac+ and chromosomal trp+ genes from erwinia amylovora to salmonella typhimurium. | the f'lac+ episome of escherichia coli origin was transferred by conjugation with frequencies of 10(-7) to 10(-5) from erwinia amylovora to 14 out of 15 salmonella typhimurium trp female parents. the chromosomal trp+ genes were transferred with frequencies of 10(-7) to 10(-6) only to one trpb and 2 trpd female parents, which have a point mutation in the 2nd and fourth structural genes, respectively, of the tryptophan operon. the transferred male trp+ genes became integrated at the selected sites ... | 1977 | 330120 |
| application and standardization of various procedures for inoculation of maize by erwinia carotovora f. sp. zeae. | hypodermic syringe and toothpick methods were best for evaluating pathogenicity of the maize plant against erwinia carotovora f. sp. zeae, both in glass house and in the field. the portion of the stalk above the ground was best suited for reproducing the disease symptoms. leaf and leaf whorl did not show any rotting hero. seed inoculation showed least mortality percentage. root inoculation was suitable only for young seedlings. cotyledons, as an organ for inoculation for getting best reproducibl ... | 1977 | 324175 |
| [results of an experimental study of the antitumor activity of 1-asparaginase from e. coli and erw. carotovora]. | the antitumour activity of the preparations of l-asparaginase from e. coli and erw. carotovora with respect to lymphadenosis l-5178 and yorker's carcinosarcoma (ascitic cariants) has been established. no difference in antitumour efficacy of the preparation of l-asparaginase obtained from e. coli and erw. carotovora was noted. | 1977 | 320935 |
| characterization of enterobacter agglomerans (erwinia spp.) from clinical specimens. | the biochemical reactions of 18 anaerogenic and 45 aerogenic isolates of enterobacter agglomerans are described and used for subdivision in the biogroups suggested by ewing & fife. the presence of special cultural characteristics (symplasmata and biconvex bodies) was also recorded and was found to be unrelated to formation of gas from glucose. previous authors have reported such structures in anaerogenic cultures only. the amount of gas produced varied to a great extent between strains and also ... | 1977 | 320820 |
| taxonomy of the genus serratia. | one hundred and fifty-six strains of serratia and related bacteria including representatives of enterobacter liquefaciens, enterobacter cloacae, enterobacter aerogenes, erwinia carotovora, erwinia chrysanthemi, erwinia herbicola and erwinia nimipressuralis were studied using 223 morphological, physiological, biochemical and carbon source utilization tests. the results were subjected to computer analysis. at the 80% similarity level all strains, except two, grouped into eight phenons representing ... | 1977 | 319202 |
| the isolation and characterization of a temperate phage, y46/(e2), from erwinia herbicola y40. | a temperate phage was induced from exponential phase cells of erwinia herbicola y46 by treatment with mitomycin c. the phage was purified by single plaque isolation, and produced in bulk by successive cultivation in young cultures of e. herbicola y 178. phages were concentrated from culture filtrates by rate zonal centrifugation and resuspension in 0.02 m tris buffer, ph 7.2, twice, yielding suspensions of about 5 times 10(11) pfu/ml. purification was achieved by centrifugation in buffered sucro ... | 1975 | 238732 |
| comparative study on conformational stability and subunit interactions of two bacterial asparaginases. | the denaturation and reconstitution of erwinia carotovora and escherichia coli l-asparaginases has been followed by optical rotatory dispersion, circular dichroism and analytical ultracentrifugation. denaturation in urea results in dissociation of the native enzyme (mol. wt. 140 000 approx.) to produce unfolded subunits (mol. wt. 35 000 approx.); the erwinia l-asparaginase subunits can be refolded by dilution or dialysis in alkaline conditions, ph 10.5, without aggregation to the active tetramer ... | 1975 | 237538 |
| partial purification and properties of a beta-glucosidase from erwinia herbicola y46. | a constitutive beta-glucosidase of erwinia herbicola y46 was studied as a prerequisite to an assessment of its significance in the release of bacteriotoxic aglycones from plant beta-glucosides, and the possible effects of the aglycones on the course of such plant diseases as "fire-blight". the enzyme was purified 86.5-fold from crude extracts of cells grown on yeast beef broth. ammonium sulfate precipitation, deae-cellulose fractionation, and gel filtration through sephadex g-100 resulted in a p ... | 1975 | 235359 |
| properties of the purified penicillin v-acylase of erwinia aroideae. | 1975 | 234389 | |
| a convenient coupled assay for tyrosine phenol lyase (deaminating) [proceedings]. | 1979 | 225229 | |
| "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 |
| 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 |
| effect of three nematicides on the growth of some phytopathogenic bacteria and fungi. | the effect of three nematicides, aldicarb, fensulfothion, and phenamiphos at four concentrations (1, 5, 25, and 125 ppm) was tested on the growth of five bacteria, agrobacterium tumefaciens, corynebacterium fascians, erwinia carotovora, pseudomonas solanacearum, and streptomyces scabies and four fungi, fusarium oxysporum f. sp. vasinfectum, fusarium solani, rhizoctonia solani, and sclerotium bataticola. of the bacteria, p. solanacearum was most affected by the chemicals at all concentrations, wh ... | 1977 | 143857 |
| [properties of enterobacter agglomerans strains isolated from different sources (author's transl)]. | 1975 | 127663 | |
| the effect of chemical modification of l-asparaginase on its persistence in circulating blood of animals. | 1979 | 110336 | |
| 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 |
| [sensitivity of causative agents of lupine bacteriosis to oxine group compounds]. | 1978 | 102908 | |
| 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 |
| 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 |
| characterization of a bacteriocin produced by erwinia uredovora [proceedings]. | 1979 | 93940 | |
| [structural components of adenvoiruses and other dna-genome viruses]. | 1978 | 78433 | |
| [serological study of erwinia aroideae (townsend) holland and e. carotovora (jones) holland isolated from hyacinths and callas]. | 1977 | 71650 | |
| [evidence for a bacteriocin in erwinia uredovora]. | 1976 | 64197 | |
| [various properties of virulent and moderate erwinia carotovora phages]. | a bacterial culture of e. carotovora 8638 lysed by virulent phage 62 after treatment with uv rays produces a moderate phage. the virulent and moderate viruses, antigenically unrealted, have a similar prolonged latent period (100 min) and the period of lysis (60 min). they also differ in the sizes of the capsids and the length of processes which are 750+/-30 and 2000+/-50a in the virulent phage and 600+/-30 and 1500+/-50a, in the moderate phage, respectively. the sedimentation constants are 602 a ... | 1976 | 64030 |
| immunological relationships of bacterial l-asparaginases. | rabbit antisera against l-asparaginase preparations from escherichia coli, erwinia carotovora, citrobacter sp. and chromobacterium violaceum showed on immunoelectrophoresis that only the enzymes from e. coli and citrobacter are immunologically related. purified preparations had to be used to determine the immunological cross-reactions. immunoelectrophoresis at different ph values yielded the zero mobility points of the enzymes. the activity of the er. carotovora preparation was enhanced up to fo ... | 1976 | 54404 |
| induction of avirulent variants in erwinia stewartii by incubation at supraoptimal temperatures. | high temperatures (37 degrees c) induced non-pigmented, and (or) small colony variants in some erwinia stewartii strains. the former differed from the parent strain serologically and in having lost virulence to zea mays. the small colony variants retained phytopathogenicity. | 1975 | 51679 |
| letter: toxicity of asparaginases. | 1975 | 48918 | |
| 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 |
| 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 |
| 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 |
| effects of asparagine synthetase inhibitors on asparaginase resistant tumors. | 1977 | 20104 | |
| detection of amino acid decarboxylases in bacteria of the genus erwinia by a ph-sensitive method. | 1976 | 7730 | |
| polygalacturonic acid trans-eliminase in the osmotic shock fluid of erwinia rubrifaciens: characterization of the purified enzyme and its effect on plant cells. | an endopolygalacturonic acid trans-eliminase (ec 4.2.2.2), released by osmotic shock of erwinia rubrifaciens cells, has been purified to near homogeneity (3, 100-fold) by column chromatography on diethylaminoethyl-cellulose, phosphocellulose, and hydroxyapatite-cellulose followed by isoelectric focusing. it has a molecular weight of 41,000, s20,w of 3.09s, an isoelectric point of ph 6.25, ph optimum of 9.5, and a temperature optimum of 37 c and requires ca2+ with an optimum concentration of 0.5 ... | 1976 | 6435 |
| relationship between the magnitude of km and ph for l-asparaginase. | the dependency of l-asparagine hydrolysis rate on l-asparagine concentration in the presence of l-asparaginases from e. coli and erw. carotovora is studied in a broad ph range. km values are calculated from the data obtained. it is found that km insignificantly depends on ph value with the ph range of 5-9 for both asparaginases. sharp km maximum is observed at ph greater than 9 in both cases. the maximum position does not coinside with enzyme isoelectric points and with the region of the substra ... | 1976 | 6070 |
| physicochemical and antigenic properties of the erwinia carotovora bacteriophages. | 1975 | 2849 | |
| profiles for ph, temperature, and dissolved o2 levels in enzyme production: monitoring in small-scale fermentors. | the profiles thus established may be utilized for investigations of an organism's relationship to its microenvironment including metabolic shifts and pathways. areas of maximum respiratory activity, enzyme production, enzyme degradation, and attainment of the stationary phase are quite evident; however, duration and magnitude of the various phenomena may change with nutrient, temperature, and aeration efficiency. practical application of this simplified method would include: a) determination of ... | 1975 | 1123 |