Abstract:
:Replica plating can be used for the detection of antibiotic resistance in normal flora. We have evaluated this application of the replica plating method by comparing it with a five-colony method. The replica plating method uses a single plate for each antibiotic, with a concentration just above that for borderline resistance. By the five-colony method, five colonies per sample were picked, chosen to represent all different colony morphologies present, and MICs were determined by a standard agar dilution method. The gram-negative, aerobic floras of 131 fecal samples were screened for resistance to ampicillin, cefuroxime, nalidixic acid, trimethoprim, sulfamethoxazole, and tetracycline by both methods. The rate of resistance detection by the two methods did not differ statistically for any of the antibiotics tested. The breakpoint concentrations used for the replica plates in the study gave results similar to those produced by the agar dilution method and the breakpoint values of the National Committee for Clinical Laboratory Standards and can thus be recommended. As the only currently used resistance detection method, replica plating facilitates an exact determination of the percentage of resistant colonies/total number of colonies (between 1 and 100%) in a sample. This revealed an uneven distribution, with only 23% of the samples having resistance frequencies in the range of 10 to 85%; usually, the resistant flora either was a small minority or was very dominant in samples with resistance. This phenomenon was present for all of the antibiotics.
journal_name
J Clin Microbioljournal_title
Journal of clinical microbiologyauthors
Osterblad M,Leistevuo T,Huovinen Pdoi
10.1128/JCM.33.12.3146-3149.1995subject
Has Abstractpub_date
1995-12-01 00:00:00pages
3146-9issue
12eissn
0095-1137issn
1098-660Xjournal_volume
33pub_type
杂志文章abstract::Legionella is the causative agent for Legionnaires' disease (LD) and is responsible for several large outbreaks in the world. More than 90% of LD cases are caused by Legionella pneumophila, and studies on the origin and transmission routes of this pathogen rely on adequate molecular characterization of isolates. Curre...
journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.01369-15
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abstract::The first World Health Organization (WHO) international standards (ISs) for nucleic acid amplification techniques were established two decades ago, with the initial focus on blood screening for three major viral targets, i.e., hepatitis C virus, hepatitis B virus, and human immunodeficiency virus 1. These reference ma...
journal_title:Journal of clinical microbiology
pub_type: 杂志文章,评审
doi:10.1128/JCM.01056-18
更新日期:2019-01-02 00:00:00
abstract::During lyssavirus surveillance, 1,221 bats of at least 30 species were collected from 25 locations in Kenya. One isolate of Lagos bat virus (LBV) was obtained from a dead Eidolon helvum fruit bat. The virus was most similar phylogenetically to LBV isolates from Senegal (1985) and from France (imported from Togo or Egy...
journal_title:Journal of clinical microbiology
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doi:10.1128/JCM.00016-08
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abstract::Bartonella henselae uveitis was diagnosed in a 40-year-old woman with underlying HLA-B27 uveitis on the basis of immunodetection and molecular detection of the organism, a Marseilles genogroup and a CAL-1 genotype strain, in the vitreous fluid. This case illustrates that B. henselae should be included in the different...
journal_title:Journal of clinical microbiology
pub_type: 杂志文章
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更新日期:2004-04-01 00:00:00
abstract::A duplex real-time SYBR Green LightCycler PCR (LC-PCR) assay with DNA extraction using the QIAamp DNA Stool Mini kit was evaluated with regard to detection of 8 of 17 species of food- or waterborne pathogens in five stool specimens in 2 h or less. The protocol used the same LC-PCR with 20 pairs of specific primers. Th...
journal_title:Journal of clinical microbiology
pub_type: 杂志文章
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更新日期:2003-11-01 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
pub_type: 杂志文章
doi:10.1128/JCM.15.4.625-629.1982
更新日期:1982-04-01 00:00:00
abstract::Fresh urine pellets from human immunodeficiency virus type 1 (HIV-1)-seropositive individuals were examined for the presence of the HIV-1 genomic sequence and gene products. By using the polymerase chain reaction technique, HIV-1 DNA proviral sequences were detected in 53 of 80 (66.25%) fresh urine pellets from HIV-1-...
journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.30.5.1051-1055.1992
更新日期:1992-05-01 00:00:00
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.43.12.6007-6014.2005
更新日期:2005-12-01 00:00:00
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.21.6.902-908.1985
更新日期:1985-06-01 00:00:00
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.00047-08
更新日期:2008-05-01 00:00:00
abstract::Collecting whole blood on filter paper simplifies the processing, transport, and storage of specimens used for the diagnosis of human immunodeficiency virus type 1 (HIV-1) and other tests. Specimens may be collected in tropical or rural areas with minimal facilities for handling specimens. To compare simulated tropica...
journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.00359-08
更新日期:2008-09-01 00:00:00
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.00728-17
更新日期:2017-12-01 00:00:00
abstract::spa typing is a method used in molecular typing of methicillin-resistant Staphylococcus aureus (MRSA). Due to the lack of an amplification product in one of 55 MRSA cases, a new PCR setup, which allows an indicative description of a previously unknown type, was performed. ...
journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.00933-09
更新日期:2010-02-01 00:00:00
abstract::Better detection of minority human immunodeficiency virus type 1 (HIV-1) populations containing gene mutations may improve the usefulness of antiretroviral resistance testing for clinical management. Molecular cloning of HIV-1 PCR products which might improve minority detection can be slow and difficult, and commercia...
journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.37.9.2943-2951.1999
更新日期:1999-09-01 00:00:00
abstract::Three molecular assays were evaluated for the direct detection of Mycobacterium tuberculosis complex bacteria in 125 respiratory and 22 nonrespiratory samples. The overall sensitivities obtained were as follows: GenoType MTBDRplus, 97.9%; GenoType Mycobacteria Direct, 93.7%; Gen-Probe Mycobacterium tuberculosis Amplif...
journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.02351-08
更新日期:2009-08-01 00:00:00
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.05549-11
更新日期:2011-11-01 00:00:00
abstract::We classified microorganisms from the clinical laboratory by using information provided by the Gram stain and antibiotic sensitivity profiles obtained with the Bauer-Kirby technique. Approximately 4,000 microorganisms, routinely identified and tested for antibiotic sensitivities in a large hospital microbiology labora...
journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:
更新日期:1978-12-01 00:00:00
abstract::Ten characteristic strains of spirochetes (HT2, HT7, HT10, HT15, HT17, HT19, HT20, HT22, HT32, and HT59) isolated from Ixodes persulcatus adult ticks in Hokkaido, Japan, were selected and analyzed by polyacrylamide gel electrophoresis, with monoclonal and polyclonal antibodies, and by pulsed-field gel electrophoresis....
journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.31.5.1388-1391.1993
更新日期:1993-05-01 00:00:00
abstract::The BACTEC NR660 blood culture system, which uses infrared spectroscopy to detect carbon dioxide generated by bacterial growth, was compared with the new medium formulation of the Oxoid Signal system. Two trials were conducted: a comparative study of 88 organisms in simulated blood cultures and a clinical trial of 3,3...
journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.28.7.1586-1590.1990
更新日期:1990-07-01 00:00:00
abstract::The aim of this study was to develop and evaluate multiplex and nested PCR-reverse line blot (RLB) hybridization assays for detection and serovar identification of Chlamydia trachomatis. Two sets of primers targeting the VD2 region of the omp1 gene and one set targeting the cryptic plasmid were designed for use in mul...
journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.44.4.1413-1418.2006
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abstract::Detection of human cytomegalovirus (CMV) DNA in clinical specimens is considered a cornerstone in the diagnosis of CMV disease. The aim of this study was to evaluate a newly designed LightCycler-based quantitative CMV PCR. Specimens of human origin (n = 200) were tested using the LightCycler PCR, the quantitative COBA...
journal_title:Journal of clinical microbiology
pub_type: 杂志文章
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.35.1.261-263.1997
更新日期:1997-01-01 00:00:00
abstract::Paecilomyces variotii is a commonly occurring species in air and food, but it is also associated with many types of human infections and is among the emerging causative agents of opportunistic mycoses in immunocompromised hosts. Paecilomyces can cause hyalohyphomycosis, and two species, Paecilomyces lilacinus and P. v...
journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.00764-10
更新日期:2010-08-01 00:00:00
abstract::This report describes the results of an 11-laboratory study to determine if a cefoxitin broth microdilution MIC test could predict the presence of mecA in staphylococci. Using breakpoints of < or = 4 microg/ml for mecA-negative and > or = 6 or 8 microg/ml for mecA-positive isolates, sensitivity and specificity based o...
journal_title:Journal of clinical microbiology
pub_type: 杂志文章,多中心研究
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更新日期:2009-06-01 00:00:00
abstract::The sensitive peroxidase-antiperoxidase (PXAPX) method individually and in conjunction with the Papanicolaou (PAP) stain was used to detect herpes simplex virus (HSV) in specimens from human female genitalia. Initial studies using a model system of HSV-1 or HSV-2-infected Vero cells established (i) acetone as the most...
journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.10.5.737-746.1979
更新日期:1979-11-01 00:00:00
abstract::When Shiga toxin-producing Escherichia coli (STEC) strains emerged as agents of human disease, two types of toxin were identified: Shiga toxin type 1 (Stx1) (almost identical to Shiga toxin produced by Shigella dysenteriae type 1) and the immunologically distinct type 2 (Stx2). Subsequently, numerous STEC strains have...
journal_title:Journal of clinical microbiology
pub_type: 杂志文章,多中心研究
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更新日期:2012-09-01 00:00:00
abstract::We describe the serum immunoglobulin A (IgA) antibody response to Norwalk virus infection in human volunteers and compare it with previously described IgM and total antibody responses. Whereas specific IgA and IgM peak within 2 weeks after onset of symptoms, titers of total blocking antibody continue to rise, implying...
journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.27.6.1417-1418.1989
更新日期:1989-06-01 00:00:00
abstract::We evaluated the performance of three commercially available monoclonal antibodies for confirmation of the presence of Chlamydia pneumoniae in cell culture by examining their abilities to stain inclusions of eight strains of C. pneumoniae. The antibodies tested were two unconjugated C. pneumoniae-specific monoclonal r...
journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.32.5.1406-1407.1994
更新日期:1994-05-01 00:00:00
abstract::A rapid method for presumptive identification of black-pigmented gram-negative anaerobic rods was developed. Using filter paper spot tests for indole production, sialidase, alpha-glucosidase, beta-glucosidase, alpha-fucosidase, and trypsinlike enzyme activities, 100% of Porphyromonas gingivalis, Prevotella intermedia,...
journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.29.9.1955-1958.1991
更新日期:1991-09-01 00:00:00
abstract::Evidence of spotted fever group (SFG) rickettsiae was obtained from flea pools and individual ticks collected at three sites in northwestern Peru within the focus of an outbreak of febrile disease in humans attributed, in part, to SFG rickettsia infections. Molecular identification of the etiologic agents from these s...
journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.42.11.4961-4967.2004
更新日期:2004-11-01 00:00:00