abstract：:The absorption and excretion of equivalent doses of ampicillin, pivampicillin, and amoxycillin were compared in 10 healthy volunteers after administration of these antibiotics in a randomized triple crossover fashion. As recommended, ampicillin and amoxycillin were administered on an empty stomach, whereas pivampicill...

journal_title：Antimicrobial agents and chemotherapy

authors： Verbist L

更新日期：1974-11-01 00:00:00

abstract：:R factors were detected in Vibrio anguillarum strains from vibrio-diseased freshwater fish, ayu (Plecoglossus altivelis), in Japan. It was found that 65 out of the 68 random isolates from epidemics of vibrio disease in 1973 carried transferable drug resistance factors. The most common type determined resistance to sul...

journal_title：Antimicrobial agents and chemotherapy

authors： Aoki T,Egusa S,Arai T

更新日期：1974-11-01 00:00:00

abstract：:The dissociation constants for binding to ribosomes from Escherichia coli and concentrations at which 50% inhibition of [(14)C]erythromycin binding to ribosomes occurred were determined for 45 erythromycin analogues. These values were correlated with their antibacterial activities against Bacillus subtilis. Compounds ...

journal_title：Antimicrobial agents and chemotherapy

authors： Pestka S,Lemahieu R,Miller P

更新日期：1974-10-01 00:00:00

abstract：:The antimicrobial activity of cinoxacin, 1-ethyl-4(1H)-oxo-[1,3]dioxolo[4,5-g]cinnoline-3-carboxylic acid, previously reported as compound 64716, was determined and compared with other antimicrobial agents at a dosage of 12 mg/kg once daily in a descending pyelonephritis rat model with Escherichia coli and Proteus mir...

journal_title：Antimicrobial agents and chemotherapy

authors： Holmes DH,Ensminger PW,Gordee RS

更新日期：1974-10-01 00:00:00

abstract：:The cattle trypanocide, isometamidium, was readily taken up by inactivated Trypanosoma brucei, while its uptake by living parasites was reduced or inhibited by plasma. In both respects isometamidium differs from diminazene. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Girgis-Takla P,James DM

更新日期：1974-09-01 00:00:00

abstract：:The susceptibility of 4,929 unselected clinical isolates of bacteria to cefoxitin and cephalothin was determined by the single-disk method, using a computer-associated electronic zone analyzer to obtain, record, and process measurements of sizes of zones of inhibition. Both cefoxitin and cephalothin were effective aga...

journal_title：Antimicrobial agents and chemotherapy

authors： Moellering RC Jr,Dray M,Kunz LJ

更新日期：1974-09-01 00:00:00

abstract：:This study was undertaken to investigate biochemical, genetic, and epidemiological aspects of resistance to aminoglycoside antibiotics among 650 consecutive isolates of Pseudomonas aeruginosa from Parkland Memorial Hospital, Dallas, Tex. In 364 strains, minimal inhibitory concentrations were 25 mug/ml or greater for g...

journal_title：Antimicrobial agents and chemotherapy

authors： Holmes RK,Minshew BH,Gould IK,Sanford JP

更新日期：1974-09-01 00:00:00

abstract：:The Pseudomonas R factor RP1 determines an inducible tetracycline resistance similar to that described for Escherichia coli R factors. The level of RP1-determined resistance measured by minimal inhibitory concentration testing is dependent on the host bacteria and corresponds to the magnitude of decrease in tetracycli...

journal_title：Antimicrobial agents and chemotherapy

authors： Shipley PL,Olsen RH

更新日期：1974-08-01 00:00:00

abstract：:Antisera produced against envelope fractions of tetracycline-resistant Escherichia coli and supernatant fluid of disrupted cells of tetracycline-resistant Salmonella typhi were adsorbed with the corresponding fractions of susceptible cultures. With these sera, cross-reacting antigens were demonstrated in the following...

journal_title：Antimicrobial agents and chemotherapy

authors： Boldur I,Sompolinsky D

更新日期：1974-08-01 00:00:00

abstract：:Viomycin-resistant strains isolated from Mycobacterium smegmatis demonstrated pleiotropic resistance to tuberactinomycin-N, capreomycin, streptomycin, and kanamycin as a result of mutational alteration of ribosomes, even though they were selected for resistance to a single antibiotic. The pleiotropic drug resistance o...

journal_title：Antimicrobial agents and chemotherapy

authors： Yamada T,Masuda K,Shoji K,Hori M

更新日期：1974-07-01 00:00:00

abstract：:A series of twelve recently synthesized 6-substituted derivatives of 9-beta-d-ribofuranosylpurine 3',5'-cyclic phosphate (RPcMP) were evaluated for in vitro antiviral activity, using inhibition of viral cytopathogenic effect as the primary parameter for evaluation. Inhibition of the development of intra- and extracell...

journal_title：Antimicrobial agents and chemotherapy

authors： Sidwell RW,Huffman JH,Allen LB,Meyer RB Jr,Shuman DA,Simon LN,Robins RK

更新日期：1974-06-01 00:00:00

abstract：:The susceptibility of 49 strains of Clostridium ramosum to 10 antibiotics was determined by agar dilution and disk diffusion tests. Results showed that, among the anaerobes, C. ramosum is second only to Bacteroides fragilis in its resistance to antimicrobial agents. All strains were susceptible to penicillin, carbenic...

journal_title：Antimicrobial agents and chemotherapy

authors： Tally FP,Armfield AY,Dowell VR Jr,Kwok YY,Sutter VL,Finegold SM

更新日期：1974-06-01 00:00:00

abstract：:Escherichia coli K-12 carrying the R-factor R1 or R6K is resistant to streptomycin. The resistance is due to R-factor-coded enzymes that metabolize the drug. Streptomycin can be inactivated in two ways, either by adenylylation or by phosphorylation; both reactions require adenosine 5'-triphosphate. In this work we sho...

journal_title：Antimicrobial agents and chemotherapy

authors： Lundbäck AK,Nordström K

更新日期：1974-05-01 00:00:00

abstract：:A disk bioassay for determining clindamycin serum levels is presented. This method is rapid (results available in 6.0 to 6.5 h), reliable, and simple to perform. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Liberman DF,Fitzgerald J,Robertson RG

更新日期：1974-05-01 00:00:00

abstract：:The effect of a selected tripeptide, Z-d-Phe-Phe-Arg(NO(2)) (SV-4814) on the kinetics of lysis of green monkey erythrocytes by measles virus hemolysin suggested conditions of competitive inhibition. SV-4814 prevented not only hemoglobin release, but also the preceding leakage of K(+) through the cell membrane. The cap...

journal_title：Antimicrobial agents and chemotherapy

authors： Norrby E,Sievertsson H

更新日期：1974-04-01 00:00:00

abstract：:The inhibition of Saccharomyces cerevisiae growth by amphotericin B and rifampin was studied. Rifampin alone had no effect on growth or macromolecular syntheses. Lethal amounts of amphotericin B produced a late inhibition of ribonucleic acid (RNA) synthesis simultaneous with the arrest of growth and protein synthesis....

journal_title：Antimicrobial agents and chemotherapy

authors： Battaner E,Kumar BV

更新日期：1974-04-01 00:00:00

abstract：:Ampicillin and erythromycin were shown to act synergistically in vitro against the majority of strains of Nocardia asteroides tested. With these strains, the minimal inhibiting concentration (MIC) of each drug when combined was reduced 4- to more than 512-fold as compared with the MIC of each antibiotic acting individ...

journal_title：Antimicrobial agents and chemotherapy

authors： Finland M,Bach MC,Garner C,Gold O

更新日期：1974-03-01 00:00:00

abstract：:Inhibition of Escherichia coli by isonicotinic acid hydrazide (isoniazid) is a function of the initial cell concentration, concentration of antibiotic, and chemical composition of the medium. An initial concentration of 5 x 10(5) cells/ml in a minimal medium is inhibited by 1 mM isoniazid. The E. coli cells are protec...

journal_title：Antimicrobial agents and chemotherapy

authors： Tritz GJ

更新日期：1974-03-01 00:00:00

abstract：:Three procedures were presented for appraising the ability of antibacterial chemicals and formulations to suppress the growth of microorganisms on human skin. In each of these, the microflora was quantified after the skin had been occlusively covered for a day or more, a circumstance which, in the absence of a deterre...

journal_title：Antimicrobial agents and chemotherapy

authors： Marples RR,Kligman AM

更新日期：1974-03-01 00:00:00

abstract：:Serum and milk concentrations of rifamycin SV and rifampin were determined in lactating ewes after a single intravenous injection, and pharmacokinetic parameters were evaluated by the two-compartment open-system model. Rifampin was distributed throughout a greater volume than rifamycin SV and was eliminated more slowl...

journal_title：Antimicrobial agents and chemotherapy

authors： Ziv G,Sulman FG

更新日期：1974-02-01 00:00:00

abstract：:A basic, random copolymer of l-ornithine and l-leucine (OL; molar ratios 1:1) was bactericidal to a sensitive (S) strain of Staphylococcus aureus at low concentration. Resistant cells (R) were selected from the culture medium and, after serial transfers to solutions containing increasing amounts of the polymer, grew w...

journal_title：Antimicrobial agents and chemotherapy

authors： Shenfeld A,Flowers HM,Katchalski E

更新日期：1974-02-01 00:00:00

abstract：:Streptonigrin, a quinone antitumor antibiotic, has been reported to be effective in human trials. A sensitive and precise microbiological assay for the determination of distribution and concentrations of streptonigrin in the body fluids and tissues of treated mice has been developed in an attempt to supplement success...

journal_title：Antimicrobial agents and chemotherapy

authors： Pittillo RF,Woolley C

更新日期：1974-01-01 00:00:00

abstract：:Cefazolin and cephalothin disk susceptibility and minimal inhibitory concentration determinations were conducted on 591 clinical isolates. Cefazolin demonstrated superior activity, as shown by lower minimal inhibitory concentrations, and a greater percentage of isolates inhibited in the disk susceptibility test. The c...

journal_title：Antimicrobial agents and chemotherapy

authors： Actor P,Guarini J,Uri J,Dickson J,Pauls JF,Weisbach JA

更新日期：1974-01-01 00:00:00

abstract：:The effect of rifampin on cutaneous hypersensitivity was studied in 11 tuberculous patients. A suppressive effect was noted in eight patients, five of whom developed a negative response to the strength of purified protein derivative to which they had been shown to be previously sensitive. In one instance complete aner...

journal_title：Antimicrobial agents and chemotherapy

authors： Mukerjee P,Schuldt S,Kasik JE

更新日期：1973-12-01 00:00:00

abstract：:The activities of trimethoprim (TMP) and sulfamethoxazole (SMZ), alone and in combination (SMZ-TMP), and of the following antibiotics were tested against 115 clinical isolates of nontyphoid Salmonella species: tobramycin, gentamicin, ampicillin, amoxicillin, neomycin, kanamycin, chloramphenicol, and tetracycline. The ...

journal_title：Antimicrobial agents and chemotherapy

authors： Marks MI,Kazemi M,MacKay E

更新日期：1973-11-01 00:00:00

abstract：:The generation rate constants for the steady-state growth of antibiotic-inhibited Escherichia coli have the same formal dependency on concentration for deoxylincomycin, lincomycin (phase I), erythromycin, clindamycin, and U24729A. They may be kinetically classified as a group A, in which the first three compounds comp...

journal_title：Antimicrobial agents and chemotherapy

authors： Garrett ER,Heman-Ackah SM

更新日期：1973-11-01 00:00:00

abstract：:Minimum inhibitory and bactericidal concentrations of four antibiotics and their combinations were determined for 38 strains of enterococci by a microtitration tube dilution technique. The drugs were ampicillin, vancomycin, gentamicin, and streptomycin; the combinations were ampicillin-gentamicin, ampicillin-streptomy...

journal_title：Antimicrobial agents and chemotherapy

authors： Harwick HJ,Kalmanson GM,Guze LB

更新日期：1973-10-01 00:00:00

abstract：:Cycloheximide (up to 0.4 g/liter) was significantly more inhibitory to the growth of three isolates of Aspergillus fumigatus at 23 C than at 37 or 45 C. Preincubation of the media for 7 days at 45 C did not alter the inhibitory effect of the cycloheximide at 23 C. Neither mutation nor adaptation in the fungus seems to...

journal_title：Antimicrobial agents and chemotherapy

authors： Berger CL,Merz WG,Silva-Hutner M

更新日期：1973-10-01 00:00:00

abstract：:Herpes simplex virus (HSV) types 1 and 2 (two strains each) were inactivated at different rates in vitro by 40 muM AgNO(3). The inactivation of HSV type 1 strains was virtually complete in 10 to 15 min, whereas almost half of the infectivity of HSV type 2 strains survived this exposure. One strain of type 1 inoculated...

journal_title：Antimicrobial agents and chemotherapy

authors： Coleman VR,Wilkie J,Levinson WE,Stevens T,Jawetz E

更新日期：1973-09-01 00:00:00

abstract：:Growth of Mycoplasma pneumoniae was completely prevented by 0.06 mug of actinomycin D/ml, and 0.00375 mug/ml caused 90% inhibition. It thus appears that M. pneumoniae is more susceptible to actinomycin D than previously reported. Low concentrations (0.019 mug/ml) of the antibiotic primarily inhibited ribonucleic acid ...

journal_title：Antimicrobial agents and chemotherapy

authors： Fletcher RD,Jayavasu C,Yoo S,Albertson JN

更新日期：1973-09-01 00:00:00

abstract：:The activity of nalidixic acid combined with each of 10 other antimicrobial agents on 95 strains of Enterobacteriaceae was studied. Synergism was found less often than antagonism, and the commonest outcome was indifference. Combinations of nalidixic acid with kanamycin, gentamicin, or colistin were more often synergis...

journal_title：Antimicrobial agents and chemotherapy

authors： Michel J,Luboshitzky R,Sacks T

更新日期：1973-09-01 00:00:00

abstract：:It is known that penicillin resistance of bacteria is mainly caused by the inactivation of penicillin by penicillinase derived from such strains. We have developed a screening procedure for penicillinase inhibitors. Several microorganisms were found to produce such inhibitors, and from the culture filtrate of Streptom...

journal_title：Antimicrobial agents and chemotherapy

authors： Iwai Y,Ono H,Takeshima H,Yamaguchi N,Omura S

更新日期：1973-09-01 00:00:00

abstract：:Lividomycin specifically inhibited bacterial protein synthesis and had codon misreading activity. Lividomycin, moreover, stimulated the binding of aminoacyl-transfer ribonucleic acid to ribosomes, but did not show any significant effects on the formation of aminoacyl-transfer ribonucleic acid and the puromycin reactio...

journal_title：Antimicrobial agents and chemotherapy

authors： Yamaguchi M,Eda J,Kobayashi F,Mitsuhashi S

更新日期：1973-09-01 00:00:00

abstract：:Heteroresistant (methicillin-resistant) and nonheteroresistant strains of Staphylococcus aureus were tested for their susceptibility to penicillinase-resistant penicillins at incubation temperatures of 37, 35, and 30 C. Susceptibilities were determined by agar dilution and by the standard Kirby-Bauer agar diffusion te...

journal_title：Antimicrobial agents and chemotherapy

authors： Thornsberry C,Caruthers JQ,Baker CN

更新日期：1973-09-01 00:00:00

abstract：:Antibiotic dynamics in the fluid obtained from subcutaneously implanted chambers in rats were similar to those observed in serum following single intramuscular injections of carbenicillin. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Gardner WG,Prior RB,Perkins RL

更新日期：1973-08-01 00:00:00

abstract：:Clinical pharmacological studies of ticarcillin (alpha-carboxyl-3-thienylmethyl penicillin, BRL-2288) were conducted in patients with metastatic cancer and leukemia. After administration of 0.5 g intramuscularly, 1 g intramuscularly, and 1 g intravenously, the mean peak concentrations in serum were 18, 35, and 106 mug...

journal_title：Antimicrobial agents and chemotherapy

authors： Rodriguez V,Inagaki J,Bodey GP

更新日期：1973-07-01 00:00:00

abstract：:The morphology of cells of the H37Ra strain of Mycobacterium tuberculosis exposed to 0.5 mug of isonicotinic acid hydrazide (isoniazid) per ml was examined by scanning electron microscopy (SEM). Cells that were exposed to isoniazid for 3 h showed no detectable change, whereas cells exposed to the drug for 24 h exhibit...

journal_title：Antimicrobial agents and chemotherapy

authors： Takayama K,Wang L,Merkal RS

更新日期：1973-07-01 00:00:00

abstract：:The use of gentamicin to control contamination in a tissue culture system for the isolation of Chlamydia was investigated. Gentamicin, at concentrations up to 100 mug/ml, did not appear to inhibit the growth of stock chlamydial strains, as judged by assays for iodine-staining inclusions. When 343 cervical and urethral...

journal_title：Antimicrobial agents and chemotherapy

authors： Wentworth BB

更新日期：1973-06-01 00:00:00

abstract：:A sensitive, precise microbiological assay was developed for the determination of tissue distribution of dl-alanosine, a new antitumor agent. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Pittillo RF,Woolley C

更新日期：1973-06-01 00:00:00

abstract：:Transferability of drug resistance in strains of Bordetella bronchiseptica isolated from pigs was examined. These strains were resistant to sulfadimethoxine (SA, more than 1,600 mug/ml), streptomycin (SM, more than 800 mug/ml), and aminobenzyl penicillin (APC, 200 mug/ml). All of them could transfer their drug resista...

journal_title：Antimicrobial agents and chemotherapy

authors： Terakado N,Azechi H,Ninomiya K,Shimizu T

更新日期：1973-05-01 00:00:00