abstract：:A survey for carriers of Streptococcus pneumoniae among 573 children was undertaken. Throat and nasopharyngeal cultures from 303 children disclosed pneumococci in 89 (29.4%) nasopharyngeal swabs but in only 8 (2.6%) throat specimens. Carriers of pneumococci were detected with frequencies of 84.4 and 79.9% on aerobical...

journal_title：Journal of clinical microbiology

authors： Robins-Browne RM,Kharsany AB,Ramsaroop UG

更新日期：1982-07-01 00:00:00

abstract：:Several biochemical test systems were studied for their potential usefulness for the examination of strains of Campylobacter species. Most (81%) of the C. jejuni strains hydrolyzed sodium hippurate, but strains of C. fetus, C. sputorum, and C. fecalis did not. Some (46%) of the C. jejuni strains and all of the C. sput...

journal_title：Journal of clinical microbiology

authors： Hébert GA,Hollis DG,Weaver RE,Lambert MA,Blaser MJ,Moss CW

更新日期：1982-06-01 00:00:00

abstract：:Serological interrelations among 46 strains of Haemophilus somnus of various geographical and pathological origins were studied by agglutination and agglutinin adsorption procedures. Sera prepared against nine representative American and Swiss isolates agglutinated all other strains to various titers. Adsorption of an...

journal_title：Journal of clinical microbiology

authors： Canto GJ,Biberstein EL

更新日期：1982-06-01 00:00:00

abstract：:A pseudooutbreak of cryptococcal meningitis was caused by the use of contaminated albumin solution used in the preparation of Papanicolaou-stained slides of cerebrospinal fluid. Organisms were seen in cytocentrifuge preparations, but not in India ink preparations of cerebrospinal fluid specimens. Cryptococcal antigen ...

journal_title：Journal of clinical microbiology

authors： Hopfer RL,Katz RL,Fainstein V

更新日期：1982-06-01 00:00:00

abstract：:Glutaraldehyde-fixed sheep erythrocytes (GA-SRBC) were used in the indirect hemagglutination test for the detection of Pasteurella antibody. GA-SRBC were stable for at least 6 months. Heat extract or potassium thiocyanate extract antigens of Pasteurella strains could be adsorbed onto GA-SRBC or tanned GA-SRBC, respect...

journal_title：Journal of clinical microbiology

authors： Sawada T,Rimler RB,Rhoades KR

更新日期：1982-05-01 00:00:00

abstract：:Of 532 strains of viridans streptococci isolated from clinical specimens, 517 were identified by using a scheme based on the work of Facklam (R. R. Facklam, J. Clin. Microbiol. 5:184-201, 1977). The strains were distributed among nine of the species described by Facklam and an additional group of physiologically homog...

journal_title：Journal of clinical microbiology

authors： Ruoff KL,Kunz LJ

更新日期：1982-05-01 00:00:00

abstract：:Several instruments for automated or semiautomated susceptibility testing are currently available. Three of these instruments, Autobac (General Diagnostics, Warner-Lambert Co., Morris Plains, N.J.), MS-2 (Abbott Laboratories, Dallas, Tex.), and AutoMicrobic system (AMS) (Vitek, Inc., Hazelwood, Mo.) were compared for ...

journal_title：Journal of clinical microbiology

authors： Kelly MT,Latimer JM,Balfour LC

更新日期：1982-05-01 00:00:00

abstract：:A continuous African green monkey kidney cell line, designated BGM, was compared with primary cynomolgus monkey kidney cells and human embryonic lung cells for efficiency of enterovirus isolation. A selective enhanced sensitivity of BGM cells both in terms of isolation rate and speed of isolation was found for group B...

journal_title：Journal of clinical microbiology

authors： Menegus MA,Hollick GE

更新日期：1982-05-01 00:00:00

abstract：:Campylobacter fetus subsp. jejuni was isolated from the feces of 14.8% of a random sample of the healthy population of rural southern India. The rate of isolation was highest in preschool children. This finding emphasizes the need to identify markers of pathogenicity in strains of C. fetus subsp. jejuni, which so far ...

journal_title：Journal of clinical microbiology

authors： Rajan DP,Mathan VI

更新日期：1982-05-01 00:00:00

abstract：:CENTA is a newly synthesized, beta-lactamase-labile, chromogenic cephalosporin reagent which changes color from light yellow (lambda maximum ca. 340 nm) to chrome yellow (lambda maximum ca. 405 nm) concomitant with hydrolysis of the beta-lactam ring. This compound offers promise as a diagnostic reagent comparable to o...

journal_title：Journal of clinical microbiology

authors： Jones RN,Wilson HW,Novick WJ Jr,Barry AL,Thornsberry C

更新日期：1982-05-01 00:00:00

abstract：:The clinical significance of viridans streptococci isolated from the blood cultures of 86 patients was determined. Isolates that were significant or suggestive of infection represented only 21% of the cases. Among 54 isolates for which the species was known, Streptococcus sanguis II was the most common. However, a sig...

journal_title：Journal of clinical microbiology

authors： Swenson FJ,Rubin SJ

更新日期：1982-04-01 00:00:00

abstract：:Pyridine-2-azo-p-dimethylanaline cephalosporin (PADAC), a chromogenic reagent which is purple and changes to yellow upon cleavage of its beta-lactam ring, was evaluated in comparison with other chromogenic cephalosporins. PADAC exhibited little antimicrobial activity against gram-negative bacteria, but did have good a...

journal_title：Journal of clinical microbiology

authors： Jones RN,Wilson HW,Novick WJ Jr

更新日期：1982-04-01 00:00:00

abstract：:Whole-cell sonicates of Treponema pallidum, Nichols strain, were evaluated in an enzyme-linked immunosorbent assay (Elisa) for syphilis, and results were read in a Dynatek Microelisa Reader. The antigen was evaluated with sera from patients with syphilis, persons presumed normal, and biological false-positives. Two hu...

journal_title：Journal of clinical microbiology

authors： Pope V,Hunter EF,Feeley JC

更新日期：1982-04-01 00:00:00

abstract：:A supplemented 2% peptone broth is described for the detection of indole production by Pasteurella multocida. The 96 isolates of P. multocida that were utilized in this evaluation were indole positive within 18 to 24 h. ...

journal_title：Journal of clinical microbiology

authors： Clemons KV,Gadberry JL

更新日期：1982-04-01 00:00:00

abstract：:A useful method for isolating and recognizing Haemophilus ducreyi from chancres and buboes of male patients is presented. A total of 41 clinical isolates of H. ducreyi were recovered from 33 patients over an 8-year period, and the experience with the 15 most recent isolates is presented in detail. Chocolate agar suppl...

journal_title：Journal of clinical microbiology

authors： Oberhofer TR,Back AE

更新日期：1982-04-01 00:00:00

abstract：:In an epidemiological study, nine isolates of dematiaceous fungi were recovered from the interior of a local feed and seed warehouse. Sample sites include brick walls and floors. Air samples also were included. Samples were collected in saline and plated on Mycobiotic and Sabouraud agar. The nine dematiaceous fungi re...

journal_title：Journal of clinical microbiology

authors： Espinel-Ingroff A,Kerkering TM,Shadomy HJ

更新日期：1982-04-01 00:00:00

abstract：:A simple new agar medium containing L-canavanine, glycine, and bromthymol blue was found to give a clearer and more accurate distinction between serotype A or D (Cryptococcus neoformans var. neoformans) and serotype B or C (C. neoformans var. gattii) than creatinine-dextrose-bromthymol blue or glycine-cycloheximide-ph...

journal_title：Journal of clinical microbiology

authors： Kwon-Chung KJ,Polacheck I,Bennett JE

更新日期：1982-03-01 00:00:00

abstract：:A study was conducted to compare three automated systems and the Gram stain for their ability to detect significant bacteriuria. A total of 1,000 urine specimens were evaluated by Autobac MTS (General Diagnostics), Auto Microbic system (AMS; Vitek Systems, Inc.), and MS-2 (Abbott Laboratories) and compared with a semi...

journal_title：Journal of clinical microbiology

authors： Pezzlo MT,Tan GL,Peterson EM,de la Maza LM

更新日期：1982-03-01 00:00:00

abstract：:Cultures of Sporothrix schenckii were serologically tested by the exoantigen immunodiffusion technique of Kaufman and Standard (L. Kaufman and P.G. Standard, J. Clin. Microbiol. 8:42-45, 1978). This rapid and sensitive technique permitted the identification of 10 isolates of S. schenckii within 3 days. The production ...

journal_title：Journal of clinical microbiology

authors： Polonelli L,Morace G

更新日期：1982-03-01 00:00:00

abstract：:A selective medium (CFAT) was developed for the detection and enumeration of Actinomyces viscosus and Actinomyces naeslundii in dental plaque. Neutral acriflavin and potassium tellurite were used in combination with the known selective agents cadmium and fluoride to eliminate most of the competing plaque flora. Compos...

journal_title：Journal of clinical microbiology

authors： Zylber LJ,Jordan HV

更新日期：1982-02-01 00:00:00

abstract：:Sera (920) were tested to evaluate the use of heated versus unheated sera in the hemagglutination treponemal test for syphilis. The heated and unheated samples were tested on the same day with the hemagglutination treponemal test for syphilis kit according to the manufacturer's protocol. Agreement of results between t...

journal_title：Journal of clinical microbiology

authors： Hambie EA,Larsen SA,Perryman MW,Pettit DE,Feeley JC

更新日期：1982-02-01 00:00:00

abstract：:Rotaviruses were detected by counterimmunoelectro-osmophoresis in the feces of 16 (13.8%) of 116 infants and young children with gastroenteritis during a 5-month period (September 1979 through January 1980) in Ife, Nigeria. The rate of rotavirus detection varied inversely with relative humidity and was highest in Dece...

journal_title：Journal of clinical microbiology

authors： Paul MO,Erinle EA

更新日期：1982-02-01 00:00:00

abstract：:Human and porcine enterotoxigenic strains of Escherichia coli were cultivated in tryptone-yeast extract medium or brain heart infusion broth and tested for production of heat-labile enterotoxin by the GM1 ganglioside enzyme-linked immunosorbent assay (GM1-ELISA) and the Y1 adrenal cell assay. When testing for enteroto...

journal_title：Journal of clinical microbiology

authors： Gustafsson B,Möllby R

更新日期：1982-02-01 00:00:00

abstract：:Comparative studies on the detection of bovine serum immunoglobulin G antibodies to bluetongue virus with an enzyme-linked immunosorbent assay, an immunodiffusion method, and a serum neutralization assay demonstrated complete concordance between the enzyme-linked immunosorbent assay and the serum neutralization assay ...

journal_title：Journal of clinical microbiology

authors： Poli G,Stott J,Liu YS,Manning JS

更新日期：1982-01-01 00:00:00

abstract：:Single colonies of beta-hemolytic streptococci could be grouped by antibody-coated latex bead agglutination or coagglutination with staphylococci coated with antibody after incubation of the colonies with mutanolysin. This simple and quick procedure provided an enzymatic means of enhancing the sensitivity of tests suc...

journal_title：Journal of clinical microbiology

authors： Calandra GB,Henson CL

更新日期：1982-01-01 00:00:00

abstract：:Thirteen representative pathogenic bacterial species were used to create septicemia in rabbits, by injecting 10(6) colony-forming units into the marginal ear vein. At a selected time, usually 30 to 60 min after injection, heart blood was drawn into heparin and dispensed in 5.0-,0.5-, and 0.1-ml volumes into duplicate ...

journal_title：Journal of clinical microbiology

authors： Zierdt CH,Peterson DL,Swan JC,MacLowry JD

更新日期：1982-01-01 00:00:00

abstract：:We examined the blastogenic responses of lymphocytes to Staphylococcus aureus antigen in 49 uninfected non-insulin-dependent diabetic subjects and in 56 uninfected nondiabetic subjects. We found a significantly decreased response to this antigen in the diabetic patients (P less than 0.05). Diabetics whose blood sugar ...

journal_title：Journal of clinical microbiology

authors： Casey J,Sturm C Jr

更新日期：1982-01-01 00:00:00

abstract：:An atypical toxin variant of Clostridium botulinum (strain 657) was isolated from the feces of a 6-week-old female infant whose symptoms and clinical history were consistent with infant botulism. Toxin detected in the feces and the toxin produced by isolates from the feces and from two rectal swabs could be neutralize...

journal_title：Journal of clinical microbiology

authors： Hatheway CL,McCroskey LM,Lombard GL,Dowell VR Jr

更新日期：1981-12-01 00:00:00

abstract：:Selenomonas sputigena is a curved motile anaerobic gram-negative rod that is a part of the normal upper respiratory tract of man. We present a case of speticemia associated with this organism and believe it to be the first such report describing systemic disease. ...

journal_title：Journal of clinical microbiology

authors： McCarthy LR,Carlson JR

更新日期：1981-12-01 00:00:00

abstract：:Characterization of 102 Haemophilus strains by the Minitek differentiation system (BBL Microbiology Systems, Cockeysville, Md.) was compared with that by the conventional method. The results obtained by the two methods were in good agreement (P less than 0.001; test of independence). Therefore, this system was found t...

journal_title：Journal of clinical microbiology

authors： Kawakami Y,Okimura Y,Kanai M

更新日期：1981-11-01 00:00:00

abstract：:Specific precipitating and opsonic neutralizing antigens were identified in dilute-nitrous acid extracts of group A streptococci. This was done by decreasing the temperature and time of exposure of the streptococcal cells to the nitrous acid. Ninety percent of 31 strains of group A streptococcal dilute-nitrous acid ex...

journal_title：Journal of clinical microbiology

authors： Hafez K,El Kholy AM,Facklam RR

更新日期：1981-11-01 00:00:00

abstract：:The results of single radial immunodiffusion assays of influenza virus hemagglutinin were found to be greatly altered by small antigenic differences between test and reference strains. When such differences were present, the precise specificity of the antiserum used had a critical effect on the measured hemagglutinin ...

journal_title：Journal of clinical microbiology

authors： Rodda SJ,Gallichio HA,Hampson AW

更新日期：1981-11-01 00:00:00

abstract：:Using 920 sera, we compared the specificity and reproducibility of the hemagglutination treponemal test for syphilis with those of the fluorescent treponemal antibody-absorption test and the microhemagglutination assay for Treponema pallidum antibodies; we found all three tests to be comparable. However, the hemagglut...

journal_title：Journal of clinical microbiology

authors： Larsen SA,Hambie EA,Pettit DE,Perryman MW,Kraus SJ

更新日期：1981-10-01 00:00:00

abstract：:Four serotypes of Cryptococcus neoformans designated A, B, C, and D are currently recognized. Although an agglutination test is most often used to serotype C. neoformans in cultures, this test is not appropriate for typing the fungus in fixed tissues. A study to prepare fluorescent-antibody reagents for typing C. neof...

journal_title：Journal of clinical microbiology

authors： Kaplan W,Bragg SL,Crane S,Ahearn DG

更新日期：1981-09-01 00:00:00

abstract：:A simple procedure for the selective isolation of the protective species-specific protein antigens (SPAs) of Rickettsia typhi and Rickettsia prowazekii was developed to permit use of the SPAs in the immunodiagnosis and immunoprophylaxis of typhus infections. Although the SPAs were readily extracted from lysozyme- or d...

journal_title：Journal of clinical microbiology

authors： Dasch GA

更新日期：1981-09-01 00:00:00

abstract：:An inexpensive, rapid, and simple colorimetric test for detection of bacteriuria is described. This test does not require bacterial growth and has the marked advantage of being able to quantify bacteria, even when the organisms are present in the urine of bacteriuric patients who are being treated with antibiotics. Th...

journal_title：Journal of clinical microbiology

authors： Wallis C,Melnick JL,Longoria CJ

更新日期：1981-09-01 00:00:00

abstract：:A procedure for extracting rotaviral double-stranded ribonucleic acid (RNA) directly from fecal and intestinal specimens collected from calves and pigs is described. This procedure provides a rapid, simple, reproducible method of obtaining rotaviral double-stranded RNA preparations suitable for electrophoretic analysi...

journal_title：Journal of clinical microbiology

authors： Theil KW,McCloskey CM,Saif LJ,Redman DR,Bohl EH,Hancock DD,Kohler EM,Moorhead PD

更新日期：1981-09-01 00:00:00

abstract：:Although it has been recommended that photochromogenicity of mycobacteria should be tested after incubation at 25 to 30 degrees C for 2 weeks (Wayne et al., Int. J. Syst. Bacteriol. 24:412-419, 1974), our results indicate that photochromogenicity should be determined at 37 degrees C in the dark and under continuous ex...

journal_title：Journal of clinical microbiology

authors： Tsukamura M

更新日期：1981-08-01 00:00:00

abstract：:Since the use of highly purified viral proteins in the solid-phase radioimmunoassay (SPRIA) procedure is not practical for routine diagnostic serology, the procedure was adapted for use with the crude antigens now commonly used to diagnose St. Louis encephalitis (SLE) virus infections. SLE and various other alpha- and...

journal_title：Journal of clinical microbiology

authors： Wolff KL,Muth DJ,Hudson BW,Trent DW

更新日期：1981-08-01 00:00:00

abstract：:Of 100 strains of enterococci, 83% reduced litmus milk within 4 h. None of the 100 non-enterococcal streptococci tested were positive. ...

journal_title：Journal of clinical microbiology

authors： Schierl EA,Blazevic DJ

更新日期：1981-08-01 00:00:00