| the bacteriology of urinary-tract infection. | | 1972 | 4624154 |
| effect of formylation on the chromatographic behavior of methionyl transfer ribonucleic acid. | | 1972 | 4624155 |
| [effects of per os administration of polysaccharide c, cell membranes and supernatant of destroyed cells of streptococcus faecalis to wistar rats]. | | 1972 | 4624196 |
| revival and subsequent isolation of heat-injured bacteria by a membrane filter technique. | cultures containing mixed flora from raw milk were heated at 62.8 c for 15, 20, 25, and 30 min. dilutions were filtered through membrane filters, and the filters were incubated on trypticase soy broth (tsb) and on tsb plus nacl (tsbs). the tsb count indicated the total population which survived heating and included injured and uninjured cells. the colonies on tsbs indicated the uninjured cells and were marked by perforating the membrane near the colony. this membrane was then transferred to fres ... | 1972 | 4624208 |
| tolerance of staphylococcal thermonuclease to stress. | remarkable tolerance to prolonged heating, prolonged storage, and bacterial proliferation was exhibited by staphylococcal thermonuclease in foods and broth. a purified enzyme preparation added to brain heart infusion broth was unaffected by the growth of five bacterial species. minimal inactivation was effected by bacillus subtilis. optimal growth of streptococcus faecalis var. liquifaciens caused extensive inactivation of thermonuclease. however, storage at room temperature or the addition of 5 ... | 1972 | 4624218 |
| pyelonephritis. 13. effect of congenital hydronephrosis on treatment of experimental pyelonephritis. | | 1972 | 4624414 |
| relation of chemical structure to metabolic activity of vitamin b 6 . | | 1972 | 4624438 |
| studies on the mode of action of 3-deazapyrimidines. 1. metabolism of 3-deazauridine and 3-deazacytidine in microbial and tumor cells. | | 1972 | 4624539 |
| the formation of rhizopterin and formylated folate polyglutamates during the growth of staphylococcus epidermidis. | | 1972 | 4624549 |
| the microbial flora of the gut of the pouch-young and the pouch of a marsupial, setonix brachyurus. | | 1972 | 4624672 |
| electrokinetic studies of bacteria. ii. effect of cetyltrimethylammonium bromide on streptococcus faecalis. | | 1972 | 4624709 |
| sai-1 mutation: saccharomyces cerevisiae: characteristics of inhibition by s-adenosylmethonine and s-adenosylhomocysteine and protection by methionine. | the relationship of methionine to the inhibition caused by s-adenosylmethionine and s-adenosylhomocysteine in strains containing the sai-1 mutation has been investigated and shown to affect indirectly the survival of the mutants. the ability of the mutants to take up both inhibitors is similar to that of the wild-type cells. the mutant also retains the ability to hydrolyze s-adenosylhomocysteine and incorporate the hydrolytic products into the various cellular fractions. maximal inhibition of th ... | 1972 | 4625121 |
| rapid quantitative evaluation of chemotherapeutic agents in experimental cystitis of rats. | | 1972 | 4625197 |
| the role of hydrogen and potassium ions in the transport of acidic amino acids in staphylococcus aureus. | | 1972 | 4625217 |
| the occurrence of folic acid (pteroyl-l-monoglutamic acid) in human blood serum after small oral doses. | human serum folates analysed by bioautography after oral doses of 0.5 mg folic acid (pteroyl-l-monoglutamic acid) show folic acid to be present. | 1972 | 4625432 |
| trimethoprim-sulphamethoxazole in urinary tract infection due to streptococcus faecalis. | in-vitro sensitivities were performed on 140 specimens of urine which grew streptococcus faecalis of more than 100 000 organisms/ml between march 1970 and february 1971. although the combination of trimethoprim and sulphamethoxazole definitely appeared to be more effective than sulphonamide alone and as effective as ampicillin, its use for more than two weeks in 14 cases of uncomplicated urinary tract infection due to streptococcus faecalis led to development of resistance. as in these cases org ... | 1972 | 4625437 |
| [suprapubic percutaneous bladder puncture in children with urinary tract infections. methods, comparative bacteriological studies, and bacterial cell count in puncture and midstream urine]. | | 1972 | 4625473 |
| detection of carbamate as a product of the carbamate kinase-catalyzed reaction by stopped flow spectrophotometry. | | 1972 | 4625481 |
| synthesis and biological activity of selected 2,6-disubstituted-(2-deoxy- -and- -d-erythro-pentofuranosyl)purines. | | 1972 | 4625489 |
| treatment of donor sites. a controlled trial with fucidin gauze. | | 1972 | 4625679 |
| antibacterial activity of nifuratel in urine and serum. | the minimum inhibitory concentrations of nifuratel for 205 randomly selected isolates from urinary tract infections were tested by tube dilution. of these, 177 (86.3%) were resistant to more than 6 mug/ml and 140 of 141 (99.3%) strains of escherichia coli were resistant to more than 3 mug/ml. urine levels of nifuratel were examined in two groups: one group had 400 mg given once and the other group had 2 g given over 24 hours. in both groups samples of urine were collected every hour for seven ho ... | 1972 | 4625698 |
| variations in the membranes of streptococcus faecalis related to different cultural conditions. | | 1972 | 4625787 |
| effect of bacteria on intestinal uptake of vitamin b 12 . ii. the consequences of in vitro preincubation of b 12 with pure bacterial populations. | | 1972 | 4625990 |
| enterococci in diarrhoea of neonates. | | 1972 | 4626002 |
| the influence of preparation technique, humidity and irradiation conditions on radiation inactivation of streptococcos faecium, strain a 2 1. | | 1972 | 4626006 |
| scanning electron microscopy of l-phase streptococci. i. development of techniques. | | 1972 | 4626045 |
| scanning electron microscopy of l-phase streptococci. ii. growth in broth and upon millipore filters. | | 1972 | 4626430 |
| oxidation of branched chain -ketoacids in streptococcus faecalis and it's dependence on lipoic acid. | | 1972 | 4626441 |
| superoxide dismutase in bacillus popilliae. | vegetative cells of bacillus popilliae were devoid of catalase but had high levels of superoxide dismutase. this provides further support of a theory that oxygen tolerance by an organism is more dependent on superoxide dismutase than on catalase. | 1972 | 4626507 |
| sensitization test against trimethoprim-sulfamethoxazole]. | | 1972 | 4626641 |
| further studies of the d-aspartic acid-activating enzyme of streptococcus faecalis and its attachment to the membrane. | | 1972 | 4626717 |
| the combination of trimethoprim and sulfamethoxazole in the treatment of urinary tract infection. | in a series of 52 patients the combination of trimethoprim and sulfamethoxazole was used for the treatment of urinary tract infection and the results are analyzed with respect to the clinical diagnosis and bacterial etiology. there was complete agreement between in vitro sensitivity and clinical response except in the case of one strain of streptococcus fecalis. the combination of drugs was effective against some bacterial strains which were resistant to the commonly used antimicrobial agents. | 1972 | 4626767 |
| evaluation and standardization of an agglutination test for human listeriosis. | human sera from patients with culturally confirmed listeriosis were tested for immunoglobulin m (igm) and immunoglobulin g (igg) agglutinating antibodies with trypsinized antigens of listeria monocytogenes, streptococcus faecalis, and staphylococcus aureus. the response of humans to listeria infections is mainly igm rather than igg as found in animals. the antigens prepared from l. monocytogenes serotypes 1a, 1b, 2, 4b, and 4d were evaluated for specificity with normal sera, sera from patients w ... | 1972 | 4626902 |
| partial purification and characterization of an aspartate racemase from streptococcus faecalis. | | 1972 | 4626916 |
| in vitro comparison of actinobolin and other antibiotics used in the treatment of periodontal disease and dental caries. 1. | | 1972 | 4626939 |
| quantitative determination of d-dopa present in levodopa samples. | | 1972 | 4626995 |
| alumina--atached spores of bacillus stearothermophilus for the control of sterilization process. | | 1972 | 4627038 |
| observations on folate absorption with particular reference to folate polyglutamate and possible inhibitors to its absorption. | a test system for detection of inhibitors to the enzyme which removes the glutamic acid peptide chain from folate polyglutamates (folate conjugase) is described. this utilizes the reaction between plasma conjugase and the folate polyglutamate in red blood cell haemolysate. diphenylhydantoin and yeast extracts did not inhibit plasma conjugase. the better absorption of monoglutamate forms of folate as compared to polyglutamate forms was confirmed. polyglutamates were absorbed normally by patients ... | 1972 | 4627052 |
| [a precise method of studying the microflora of the gallbladder]. | | 1972 | 4627108 |
| [clinical experience with parenteral ampicillin preparation (pentrex 'banyu')]. | | 1972 | 4627211 |
| [cefazolin. 3. double blind controlled trial in urinary tract infections]. | | 1972 | 4627212 |
| antimicrobial agents from higher plants. iv. zanthoxylum elephantiasis. isolation and identification of canthin-6-one. | | 1972 | 4627213 |
| improvement of microbial assays of vitamins. | a method for the improvement of microbial assays of vitamins, which involves the addition of a surfactant to the incubated test, was developed. this surfactant tends to eliminate bacterial clumping, giving a uniform suspension of single cells, thereby making the turbidity readings less erratic and the actual assay standard curves more closely related to the desired theoretical curve. | 1972 | 4627232 |
| interrelationship between the growth-promoting effect of fish solubles and the gut flora of the chick. | | 1972 | 4627240 |
| ion transport and electrogenesis in bacteria. | | 1972 | 4627683 |
| folate metabolism in streptococcus faecalis. | the possibility that the inability of streptococcus faecalis to utilize 5-methyltetrahydropteroylglutamate or pteroyltriglutamate might be due to permeability was investigated. whereas the former was taken up by s. faecalis cells growing on pteroylglutamic acid, the latter was not. no subsequent conversion of the 5-methyltetrahydropteroylglutamate took place and accumulation, which was against a considerable concentration gradient, was inhibited by fluoride. it would thus appear to be an active ... | 1972 | 4627689 |
| the lipid-teichoic acid complex in the cytoplasmic membrane of streptococcus faecalis n.c.i.b. 8191. | 1. a lipid-teichoic acid complex was isolated from streptococcus faecalis n.c.i.b. 8191. the covalent nature of the linkage between teichoic acid and lipid was established. 2. the complex exhibits macromolecular properties in solution, and ultracentrifugation studies show that these are due to micelle formation. 3. from chemical studies it is concluded that the teichoic acid is a poly(glycerol phosphate) in which some of the glycerol hydroxyl groups possess kojibiosyl [2-o-alpha-d-glucopyranosyl ... | 1972 | 4627730 |
| quantitative sputum culture as a means of excluding false positive reports in the routine microbiology laboratory. | a relatively simple technique for sputum homogenization and dilution is described. results show that this technique is reliable for isolation and quantitative culture of organisms from cases of chest infection. the technique has resulted in significant reduction in false positive reports, particularly when a system of interpretative reporting is utilized based on 10(7) organisms per millilitre of sputum being accepted as evidence of significant infection. | 1972 | 4627746 |
| biochemical and serological characteristics of lancefield groups e, p, and u streptococci and streptococcus uberis. | | 1972 | 4627792 |
| environmental factors correlated with size of bacterial populations in a polluted stream. | samples of water were taken from a polluted zone of the gallinas river and analyzed as to numbers of total bacteria, coliforms, and fecal streptococci. environmental factors measured were temperature, ph and concentrations of detergent, nitrate plus nitrite nitrogen, sulfate, chloride, bicarbonate, and phosphate. thirty-two observations were made from 12 march through 22 july 1971. stepwise multiple linear regression analyses of the data were carried out by computer to determine which of the env ... | 1972 | 4627965 |
| experimental production of elevated serum folate in dogs with intestinal blind loops: relationship of serum levels to location of the blind loop. | | 1972 | 4627992 |
| [laboratory diagnosis of mastitis]. | | 1972 | 4628197 |
| methionine transfer ribonucleic acid from folate-sufficient and folate-deficient streptococcus faecalis r. | | 1972 | 4628266 |
| metabolism of folate coenzymes in the developing chick embryo. | | 1972 | 4628282 |
| cation transport and electrogenesis by streptococcus faecalis. i. the membrane potential. | | 1972 | 4628384 |
| the value of serial colony counts and the use of dipslides as an aid in screening specimens from catheterized patients. | | 1972 | 4628419 |
| localization and interconversion of tetrahydropteroylglutamates in isolated pea mitochondria. | 1. mitochondria were extracted from 4-day-old pea cotyledons and purified on a sucrose density gradient. 2. microbiological assay of the purified mitochondrial fraction with lactobacillus casei (a.t.c.c. 7469), streptococcus faecalis (a.t.c.c. 8043) and pediococcus cerevisiae (a.t.c.c. 8081) revealed a discrete pool of conjugated and unconjugated derivatives of tetrahydropteroylglutamic acid. 3. solubilization and chromatographic studies of the mitochondrial fraction demonstrated the presence of ... | 1972 | 4628623 |
| absorption of pteroylglutamate and dietary folates in man. | | 1972 | 4628665 |
| enterococci in insects. | enterococci were obtained from 213 of 403 insects cultured during a 14-month period, in numbers from 10(3) to 3 x 10(7)/g of insect. insects were taken only from nonurban, wild, and cultivated fields and woods. in species of insects carrying them, enterococci were not always present in every individual cultured, and often more than one species of enterococcus occurred within a species. enterococci were obtained from certain insects taken in the field during the dormant season, suggesting their r ... | 1972 | 4628796 |
| electron microscopic study of the early changes in heart valve of chickens injected with streptococcus faecalis. | | 1972 | 4628892 |
| enhancement of the bacteriostatic and bactericidal activities of chloramphenicol and thiamphenicol by normal serum in vitro. | | 1973 | 4628953 |
| phagocytosis of microbial l-forms. | little data are available regarding l-form phagocyte interactions. due to difficulty with more conventional methods, a serum-free technique of surface phagocytosis employing cellulose ester micropore filters, fluorochrome staining, and reflecting fluorescence microscopy was developed. intracellular localization of l-frms was confirmed by electron microscopy. in timed experiments, phagocytosis of a group d streptococcus (atcc 23241) and its l-form (t53i) were maximal at 30 min, although the bacte ... | 1972 | 4628960 |
| lincomycin. 14. an improved synthesis and resolution of the antimalarial agent, 1'-demethyl-4'-depropyl-4'-(r)- and -(s)-pentylclindamycin hydrochloride (u-24, 729a). | | 1972 | 4629012 |
| folic acid analogs. modifications in the benzene-ring region. 2. thiazole analogs. | | 1972 | 4629013 |
| synthesis and biological activity of 2,4-diamino-6- and -7-(1-adamantyl)pteridines. | | 1972 | 4629014 |
| synthesis of some bis(2,4-diaminopyrimidines) and bis(2,4-diaminoquinazolines) as potential antimalarial agents. | | 1972 | 4629015 |
| [bacterial agmatine ureohydrolase]. | | 1972 | 4629050 |
| a numerical taxonomic study of streptococci of serological group d. | | 1972 | 4629133 |
| [5,6-dichloro-2-hydroxymethyl-benzimidazole (dhb), a vitamin b 6 antagonist and synergist]. | | 1972 | 4629175 |
| enteric bacterial interactions in insects. | | 1972 | 4629542 |
| biosynthesis of the phosphatidyl diglucosyl diglyceride of streptococcus faecalis (atcc 9730) from diglyucosyl diglyceride and phosphatidyl glycerol or diphosphatidyl glycerol. | | 1972 | 4629622 |
| nucleoside peptides. 5. synthesis of certain n-(5-uridineacetyl)amino acids from 5-uridineacetic acid. | | 1973 | 4629665 |
| a method for the quantitative microbiological check of heat decontaminators. | | 1972 | 4629798 |
| the chemical modification of peptide antibiotics. i. the modification of gramicidin dubos & the biological activity of the modified gramicidins. | | 1972 | 4629875 |
| bacteriological techniques for testing carpets. | | 1973 | 4630034 |
| [determination of folates in food products by the microbiologic method with the test organism lactobacillus casei]. | | 1972 | 4630135 |
| [a study of river water for the presence of escherichia coli and enterococci]. | | 1972 | 4630235 |
| synthesis of 1,2-dihydro-1-(2-deoxy- -d-erythro-pentofuranosyl)-2-oxopyrazine 4-oxide, a potent analog of deoxyuridine. | | 1973 | 4630243 |
| enzymatic hydrolysis of pteroylpolyglutamates in cabbage. | | 1972 | 4630285 |
| [species composition and characteristics of enterococci, isolated from patients with purulent diseases of the abdominal cavity]. | | 1972 | 4630305 |
| composition of pteroylpolyglutamates (conjugated folates) in guinea-pig liver and their formation from folic acid. | | 1972 | 4630416 |
| differentiation of some enterococci by gas chromatography. | relative fatty acid compositions of 37 enterococci were examined by gas chromatography. streptococcus faecalis, s. faecium, and s. faecium var. durans yielded similar fatty acid patterns. strains of s. faecium var. casseliflavus, and a motile yellow-pigmented streptococcus, contained very low levels of c(19:0) cyclopropane fatty acid and four unidentified components, compared to the other strains of enterococci examined. there were no significant differences in the fatty acid patterns of enteroc ... | 1973 | 4630514 |
| [depth distribution of skin bacteria in the stratum corneum]. | | 1972 | 4630772 |
| [urologic surgery in urinary infections and renal failure]. | | 1973 | 4630863 |
| [significance of percutaneous kidney biopsy in chronic pyelonephritis (a clinician's thoughts and experiences)]. | | 1973 | 4630870 |
| [glycerophosphoryldiglucosyldiglycerides, a new type of lipid from streptococci]. | | 1972 | 4630973 |
| [structure of phosphatidyldiglucosyldiglycerides from streptococci]. | | 1972 | 4630974 |
| metabolism of xenobiotics by strains of intestinal bacteria. | | 1972 | 4631168 |
| acute salpingitis in pregnancy. | | 1973 | 4631268 |
| folate distribution in fruit juices. | | 1973 | 4631389 |
| [continuous determination of phenylalanine and tyrosine decarboxylase activity]. | | 1972 | 4631531 |
| antibacterial activity of human amniotic fluid. | | 1972 | 4631759 |
| urinary tract infection and drug response. | | 1972 | 4631866 |
| function of various intestinal bacteria in converting germfree mice to the normal state. | earlier work had shown that a collection of anaerobic bacteria, in conjunction with facultative anaerobes, may be implanted into germfree mice, thereby rendering the animals "normal" with respect to a variety of parameters tested. the present experiments indicate that a different collection of anaerobic bacteria, isolated from the cecum of normal mice, was necessary to convert germfree mice to the "normal" state when the animals were fed a crude diet, rather than the refined food which had been ... | 1972 | 4631910 |
| experimental shigella infections in laboratory animals. i. antagonism by human normal flora components in gnotobiotic mice. | germfree mice were associated with selected species of human intestinal bacteria and then challenged with a streptomycin-resistant shigella flexneri strain. antagonism against shigella was most pronounced in mice associated with escherichia coli and least pronounced in mice associated with bacteroides fragilis. a moderate degree of antagonism could be demonstrated in mice associated with either streptococcus faecalis or bifidobacterium adolescentis. shigella persisted in the cecal contents of e. ... | 1972 | 4631914 |
| growth of streptococcus faecium in the presence of lysozyme. | streptococcus faecium can grow normally in the presence of lysozyme, despite the observation that cell suspensions of the organism are lysed readily by the enzyme. growth in the presence of lysozyme is not due to resistant cells, and the culture is lysed after growth if the ph of the medium is not allowed to drop too low for lysozyme activity. growth followed by lysis in the presence of lysozyme was not exhibited by other organisms tested which were either significantly more resistant or more se ... | 1972 | 4631915 |
| folate antagonists. 9. 2,4-diamino-6-((aralkyl)alkylamino)quinazolines, a potent class of antimetabolites with prodigious antimalarial effects. | | 1972 | 4631920 |
| novel cephalosporins. modification of the c-4 carboxyl group. | | 1972 | 4631921 |
| platelet interaction with bacteria. 3. ultrastructure. | the interaction of several common strains of bacteria with rabbit or human platelets in vitro has been examined sequentially with scanning and transmission electron microscopy. bacteria were added to platelets in their native plasma or to washed platelets in a balanced salt solution at ratios of about 1:1 or at low bacteria to platelet ratios (down to 1:100). the platelet-bacterial interaction (pbi) was studied with recording nephelometry. matched samples were fixed for microscopy at various poi ... | 1973 | 4632008 |
| turnover of bacterial cell wall peptidoglycans. | | 1973 | 4632249 |