| general aspects of epidemiology and control. | | 1974 | 4453514 |
| [oxidative phosphorylation in the isolated mitochondria of human lymphocytes]. | | 1974 | 4454270 |
| [proceedings: electron microscopy studies on the follicular cell of the normal human thyroid gland using the freeze etching technic]. | | 1974 | 4460576 |
| [characteristics of the toxic action of mononitroaniline isomers]. | | 1974 | 4461365 |
| on the mechanisms of changes in the frequency of generation of the slow potential from the stomach upon electric stimulation. | | 1974 | 4468704 |
| [changes in instrumental alimentary reflexes upon transition from a constant to a probabilistic reinforcement schedule]. | | 1974 | 4472950 |
| delayed fertilisation in senescent golden hamsters. | | 1974 | 4479681 |
| parodontal inflammation and aging in the laboratory mouse. | | 1972 | 4504523 |
| [effects of fluoride on passage of carbohydrates through the cell membrane of streptococci]. | | 1973 | 4512716 |
| scanning electron microscopy of the enamel organ of the rat incisor. | | 1973 | 4518196 |
| int-constitutive mutants of bacteriophage lambda. | the constitutive production of small amounts of trpb enzyme in an escherichia coli strain carrying lambdaci857 prophage within the trpc gene has been examined in derivatives of this strain from which portions of the prophage have been deleted. enzyme production requires a site (p(i)) within the prophage close to the left prophage end. selection for mutants of this lysogen that grow on low concentrations of indole yielded two types of mutations within the prophage: (a) v2-type, in which all phage ... | 1974 | 4521054 |
| ["zone of intensified growth" in the developing mandible of the rat]. | | 1974 | 4530502 |
| [two cases of aeromonas hydrophila septicemia associated with acute leukemia (author's transl)]. | | 1974 | 4533011 |
| [inhibition of plaque formation, caries development and alveolar bone resorption in hamsters by a bacteriolytic enzyme from streptomyces globisporus (author's transl)]. | | 1974 | 4534642 |
| preferred spike intervals in the vibration reflex. | | 1972 | 4539685 |
| structure of human fluorotic bone. | | 1973 | 4540477 |
| contractile response of the aorta of the normotensive and acute and chronic hypertensive rat. | | 1973 | 4542688 |
| [absorption and excretion of cephapirin (author's transl)]. | | 1974 | 4546584 |
| the effect of nitrofurantoin on the morphology of gram-negative bacilli. | | 1972 | 4550229 |
| immunity in shigellosis. ii. protection induced by oral live vaccine or primary infection. | | 1972 | 4550416 |
| immunity in shigellosis. i. response of man to attenuated strains of shigella. | | 1972 | 4550417 |
| in vitro effectiveness of four cephalosporins against shigellae and clinical ineffectiveness of cephaloglycin. | | 1972 | 4550565 |
| [analysis of lipopolysaccharide in shigella flexneri 2a strains , pathogenic or nonpathogenic for keratoconjunctivitis in guinea pigs]. | | 1972 | 4551587 |
| [drug resistance of shigella strains in poland in the period 1968-1970]. | | 1972 | 4551589 |
| failure of furazolidone therapy in shigellosis. | | 1972 | 4551612 |
| polynucleotide sequence divergence among strains of escherichia coli and closely related organisms. | polynucleotide sequence similarity tests were carried out to determine the extent of divergence present in a number of escherichia coli strains, obtained from diverse human, animal, and laboratory sources, and closely related strains of shigella, salmonella, and the alkalescens-dispar group. at 60 c, relative reassociation of deoxyribonucleic acid (dna) from the various strains with e. coli k-12 dna ranged from 100 to 36%, with the highest level of reassociation found for three strains derived f ... | 1972 | 4551757 |
| reduced plating efficiency on salmonella-shigella agar of strains of enterobacteriaceae carrying transferable drug-resistance factors. | | 1972 | 4552647 |
| [on bacillary dysentery between the years 1965 and 1970]. | | 1972 | 4553092 |
| [reconstruction of the pili of shigella flexneri. 1. electron microscopic observation on reconstructed pilli]. | | 1972 | 4553919 |
| [polynucleotide phosphorylase in ribosomes of e. coli atcc no. 7020]. | | 1972 | 4554274 |
| fecal leukocytes in diarrheal illness. | | 1972 | 4554412 |
| early and selective increase in brain dopamine levels after axotomy. | | 1972 | 4554667 |
| [physico-chemical properties of antibodies to different antigens of enterobacteria]. | | 1972 | 4554798 |
| [mass shigella flexneri type 3a infections at the city hospital in lódź]. | | 1972 | 4555073 |
| [changes in the etiology of bacterial dysentery in poland. ii. incidence of serologic types of different shigella species (subgroups)]. | | 1972 | 4555074 |
| enzymic formation of polyisoprenol phosphate sugars. | | 1972 | 4556477 |
| effect of salicylates on the gastric mucosal barrier in man. | | 1972 | 4556621 |
| [etiological structure of dysentery in prospective population centers in north tiumen]. | | 1972 | 4556691 |
| inhibition of the interaction between fimbrial haemagglutinins and erythrocytes by d-mannose and other carbohydrates. | | 1972 | 4556971 |
| double infection, recombination, and segregation of two r factors r 100 and rts1, and their possible bearing on the genetic structure of r 100. | | 1972 | 4556980 |
| shigellosis in custodial institutions. ii. clinical, immunologic and bacteriologic response of institutionalized children to oral attenuated shigella vaccines. | | 1972 | 4557072 |
| [passive hemagglutination tests with shigella flexneri and shigella sonnei antigens in the diagnosis of dysentery]. | | 1972 | 4557140 |
| a cell-free amino acid incorporating system from yeast-phase cells of histoplasma capsulatum. | | 1972 | 4557875 |
| evaluation of plating media and temperature parameters in the isolation of selected enteric pathogens. | | 1972 | 4558164 |
| ampicillin resistance in escherichia coli by phage infection. | | 1972 | 4559666 |
| an epidemic-associated episome? | | 1972 | 4559853 |
| [children's bacteria caused dysentery]. | | 1972 | 4560514 |
| [electron microscopic study of the interaction of shigellae with cell cultures. i. characteristics of the behavior of virulent strains in association with cells]. | | 1972 | 4560706 |
| topical therapy of burns. | | 1972 | 4560970 |
| [mechanism of immunogenesis in vaccination with streptomycin-dependent mutants of salmonellae and shigellae. iv. toxicity and immune response to o-antigens of streptomycin-dependent shigella mutants]. | | 1972 | 4561084 |
| [stimulation by saprophytes of antibody formation, immunogenesis and natural resistance to pathogenic enterobacteria]. | | 1972 | 4561085 |
| enteric bacterial growth rates in river water. | enteric bacteria, including stocked strains of pathogenic species and organisms naturally present in the stream, were capable of growth in a chemostat with autoclaved river water taken 750 m below a sewage outfall. maximal specific growth rates for all organisms occurred at 30 c, whereas culture generation times ranged between 33.3 and 116 hr. of the six laboratory strains of enteric species used, escherichia coli and enterobacter aerogenes grew at generation times of 34.5 and 33.3 hr, respectiv ... | 1972 | 4561100 |
| [chemical characteristics of phage ddvii of shigella dysenteriae flexneri]. | | 1972 | 4562051 |
| effect of neonatal folic acid deprivation on later growth and susceptibility to shigella infection in the guinea pig. | | 1972 | 4562267 |
| host-controlled segregation of r factor. | | 1972 | 4562364 |
| factors affecting virulence of shigella flexneri: defective methionine synthesis in an escherichia coli-shigella hybrid. | an escherichia coli-shigella flexneri hybrid of intermediate virulence was studied to determine whether its shorter survival in host cells might be due to a metabolic defect. investigation of its growth in minimal glucose medium showed that the hybrid, like its e. coli parent, had a longer lag phase and a slower growth rate than its virulent shigella parent. methionine was found to increase the growth rate of the hybrid. the shigella parent of the hybrid can synthesize methionine normally, but t ... | 1972 | 4562393 |
| transfer among erwinia spp. and other enterobacteria of antibiotic resistance carried on r factors. | antibiotic resistance carried on r factors was transferred by conjugation from escherichia coli b/r and shigella flexneri 1a to erwinia spp. tetracycline resistance (tetr) carried on r factor r100 drd-56 was transferred from e. coli b/r to strains of erwinia amylovora, e. aroideae, e. atroseptica, e. chrysanthemi, e. cytolytica, e. dissolvens, e. herbicola, e. nigrifluens, and e. nimipressuralis, but not to strains of erwinia carotovora, e. carnegieana, e. dieffenbachiae, e. oleraceae, and e. qu ... | 1972 | 4562410 |
| treatment of acute diarrhea in outpatients. double-blind study comparing ampicillin and placebo. | | 1972 | 4562790 |
| a promoter site and polarity gradients in phage s13. | | 1972 | 4563038 |
| [assessment of shigellae virulence]. | | 1972 | 4563422 |
| behavior of coliphage lambda in shigella flexneri 2a. | the insensitivity of wild-type shigella flexneri 2a to coliphage lambda is a consequence of its native genetic defect in the mala gene cluster. the "smooth" s. flexneri 2a lipopolysaccharide layer affects the efficient adsorption of lambda. derivatives, capable of serving as functional hosts for lambda, were obtained by repairing the mala lesion, enabling the expression of the malb-lambdarcp region of s. flexneri. introduction of a mutation into s. flexneri causing a "rough" lipopolysaccharide c ... | 1972 | 4563593 |
| [quantitative study of the relation between nucleoid division and the growth of an enterobacterial population]. | | 1972 | 4563612 |
| importance of facilitated diffusion for effective utilization of glycerol by escherichia coli. | wild-type escherichia coli possesses an inducible permeation system which catalyzes facilitated diffusion of glycerol into the cell. a spectrophotometric method can be used to assess the presence of this mechanism. the structural gene for the facilitator (glpf) and the structural gene for glycerol kinase (glpk) apparently belong to a single operon. the glpf(+) allele permits effective glycerol utilization by the cells, and, at millimolar concentrations of glycerol, cells carrying the glpf(+) all ... | 1972 | 4563976 |
| [mass infections caused by shigella flexneri type 3a in the city hospital in lodź]. | | 1972 | 4564325 |
| suppression of the intracellular growth of shigella flexneri in cell cultures by interferon preparations and polyinosinic-polycytidylic acid. | a strain of shigella flexneri type 2a was found to multiply intracellularly in cultures of the diploid human cell strain fs-1 and in secondary rabbit kidney cells. when inoculated cultures were stained and observed under the light microscope, it appeared that the cytoplasm of infected cells became gradually filled with bacteria. various preparations of human and rabbit interferon were found to suppress the intracellular bacterial growth in homologous cells. polyinosinic-polycytidylic acid (poly ... | 1972 | 4564562 |
| [studies on the antigenic structure of shigella. vii. binding of n-acetyl-glucosamine in o-specific side chains of lipopolysaccharides in shigella flexneri 1b and variant y]. | | 1972 | 4564837 |
| polynucleotide sequence relatedness among three groups of pathogenic escherichia coli strains. | escherichia coli strains that cause dysentery-like disease, parenteral infection, and infantile diarrhea form specific groups based on mobility of o and k antigens in immunoelectrophoresis. members from each of these groups were assayed for gross nucleotide sequence relatedness. the method used was interspecific deoxyribonucleic acid (dna) reassociation reactions carried out free in solution. reassociated dna was separated from unreacted dna by passage through hydroxyapatite. dna relatedness bet ... | 1972 | 4564889 |
| susceptibility of rabbits immunized with mycobacterium bovis (bcg) or mycobacterium phlei to shigella keratoconjunctivitis. | vaccination of rabbits with mycobacteria increased their resistance to eye infection with shigella flexneri. however, the severity of keratoconjunctivitis was not reduced in the vaccinated animals. | 1972 | 4565052 |
| phylogenetic multiplicity of r factors as revealed by superinfection compatibility. | | 1972 | 4565294 |
| shigella, indigenous flora interactions in mice. | | 1972 | 4565357 |
| formation of polyisoprenol phosphate glucose in shigella flexneri. | lipid-linked glucose is formed from uridine diphosphate-glucose and ficaprenol phosphate only in strains of shigella flexneri with glucosylated o antigen. | 1972 | 4565545 |
| transferable multiple drug resistance of shigella strains isolated in sweden. | | 1972 | 4565771 |
| cross reactions of hl-a antibodies. i. characterization by absorption and elution. | | 1972 | 4566162 |
| [morphological study of dysentery infection in starving guinea pigs, infected with strains isolated from monkeys]. | | 1972 | 4566176 |
| adult onset of subacute sclerosing panencephalitis. | | 1973 | 4566671 |
| [suppression of invasion by virulent strains of sh. flexneri by avirulent strains]. | | 1972 | 4566837 |
| [phosphatides of shigella flexneri transformed by the method of repeated passages in developing chick embryos]. | | 1972 | 4566904 |
| [treatment with antidysenteric shigella flexneri vaccine]. | | 1972 | 4567004 |
| [etiopathogenesis of the diarrhea syndrome in children of preschool age]. | | 1972 | 4567247 |
| alteration of shigella pathogenicity by other bacteria. | | 1972 | 4567439 |
| [antigen structure of shigellae. chemical basis of shigella flexneri antigens]. | | 1972 | 4568556 |
| studies on energy-linked reactions. genetic analysis of oligomycin-resistant mutants of saccharomyces cerevisiae. | | 1973 | 4569078 |
| [genetics of shigella flexneri]. | | 1972 | 4569133 |
| [recombination variability of shigella flexneri bacilli]. | | 1972 | 4569134 |
| application of experimental keratoconjunctivitis shigellosa in chemotherapeutic evaluation of rifampicin to bacillary dysentery. | | 1972 | 4569214 |
| [quantitative analysis of the process of interaction of erythrocytes and bacterial antigens. 8. limitations of the hemosensitization process and choice of the regime for preparing erythrocytic diagnostic preparations]. | | 1972 | 4569265 |
| location of o-acetyl groups in the shigella flexneri types 3c and 4b lipopolysaccharides. | | 1972 | 4569648 |
| virulence of shigella flexneri hybrids expressing escherichia coli somatic antigens. | the genes controlling either escherichia coli somatic antigen 8 or 25 were conjugally transferred to virulent shigella flexneri 2a recipients to determine whether the aquisition of these antigens would affect the virulence of the resulting hybrid. a high proportion of such hybrids were found to be rough and hence were avirulent. some smooth s. flexneri hybrids which replaced their native group antigens with e. coli factor 25 were still virulent in the animal models employed. all s. flexneri o-8 ... | 1972 | 4569915 |
| [activities of the senegalese enterobacteriaceae center in 1971 (institut pasteur de dakar)]. | | 1972 | 4569974 |
| stereotaxic instrument for aseptic placement of electrodes in small animals. | | 1972 | 4570182 |
| on the antigenic relationship of "vibrio cholerae" to "enterobacteriaceae". | | 1972 | 4570333 |
| [antibiotic resistance of "shigella" isolated in france in 1971. modifications and stable characteristics]. | | 1972 | 4570555 |
| factors affecting virulence of shigella flexneri: strain with relaxed control of ribonucleic acid synthesis. | an escherichia coli-shigella flexneri hybrid strain which produces an abortive, nonfatal experimental dysentery has inherited relaxed control of ribonucleic acid synthesis from its e. coli parent. this property, coupled with a partial methionine requirement, has been used to explain its long lag phase in vitro, relative to its shigella parent. it was suggested that such characteristics may contribute to the hybrid's poor survival in the gut resulting in the abortive infection. | 1972 | 4570983 |
| the antigenic structure of escherichia coli and shigella flexneri hybrids. | | 1972 | 4571295 |
| application of cell culture in studying antibacterial activity of rifampicin to shigella and enteropathogenic escherichia coli. | | 1972 | 4571915 |
| [episomic resistance of pasteurella pestis to penicillins]. | | 1972 | 4572028 |
| freeze-drying of live oral streptomycin-dependent mutant shigella vaccines: survival of streptomycin-dependent shigella flexneri 2a after freeze-drying. | | 1972 | 4572041 |
| [asymptomatic, formes frustes and light forms of dysentery]. | | 1972 | 4572329 |
| [the effect of colicinogenic factors on the ecology and evolution of microorganisms]. | | 1972 | 4572330 |
| [elimination of drug resistance in e. coli and sh. flexneri cultures with ethidium bromide]. | | 1972 | 4572477 |