Synergistic hemolysis phenomenon shown by an alpha-toxin-producing Clostridium perfingens and streptococcal CAMP factor in presumptive streptococcal grouping.

Abstract:

:A new phenomenon of synergistic hemolysis by Clostridium perfringens alpha-toxin and the streptococcal CAMP factor on human and guinea pig erythrocytes is described. A possible mode of action of the CAMP factors is suggested. On human blood agar all of the tested isolates of group B streptococci gave an arrowhead-shaped zone of hemolysis; 74% of group A gave a crescent-shaped lytic zone, whereas all isolates of groups C and G and the remaining 26% of group A streptococci gave a bullet-shaped lytic zone. By comparison, in the CAMP test incubated aerobically and anaerobically, 70 and 91%, respectively, of streptococci other than group B gave positive, arrowhead-shaped lytic zones. If all intermediate positive reactions in the CAMP tests were read as negative after aerobic incubation, only 89% of group B streptococci would be properly identified. The synergistic hemolysis phenomenon, using an alpha-toxin-producing C. perfringens and human blood agar, provided a reliable test for presumptive identification of group B streptococci, with promising potential to differentiate in the same test group A streptococci from other groups.

journal_name

J Clin Microbiol

authors

Gubash SM

subject

Has Abstract

pub_date

1978-11-01 00:00:00

pages

480-8

issue

5

eissn

0095-1137

issn

1098-660X

journal_volume

8

pub_type

杂志文章
  • Direct identification of bacterial isolates in blood cultures by using a DNA probe.

    abstract::This study involved the rapid, direct identification of Staphylococcus aureus, Streptococcus pneumoniae, Escherichia coli, Haemophilus influenzae, Enterococcus sp., and Streptococcus agalactiae from positive blood culture bottles (BACTEC, Johnston Laboratories, Inc.) by using the AccuProbe (Gen-Probe, San Diego, Calif...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:10.1128/JCM.29.10.2193-2196.1991

    authors: Davis TE,Fuller DD

    更新日期:1991-10-01 00:00:00

  • IS1311 and IS1245 restriction fragment length polymorphism analyses, serotypes, and drug susceptibilities of Mycobacterium avium complex isolates obtained from a human immunodeficiency virus-negative patient.

    abstract::Six isolates of Mycobacterium avium of genotype dnaJ(+) IS901(-) IS1311(+) IS1245(+) and serotypes 6 (n = 1), 6/9, (n = 2), and 9 (n = 3) were obtained within a 5-month period from a human immunodeficiency virus-negative patient treated for tuberculosis. The isolates were identified with PvuII restriction fragment len...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:10.1128/jcm.40.10.3712-3719.2002

    authors: Dvorska L,Bartos M,Ostadal O,Kaustova J,Matlova L,Pavlik I

    更新日期:2002-10-01 00:00:00

  • Clinical Evaluation of the iCubate iC-GPC Assay for Detection of Gram-Positive Bacteria and Resistance Markers from Positive Blood Cultures.

    abstract::The iC-GPC Assay (iCubate, Huntsville, AL) is a qualitative multiplex test for the detection of five of the most common Gram-positive bacteria (Staphylococcus aureus, Staphylococcus epidermidis, Streptococcus pneumoniae, Enterococcus faecalis, and Enterococcus faecium) responsible for bacterial bloodstream infections,...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章,多中心研究

    doi:10.1128/JCM.00485-18

    authors: Granato PA,Unz MM,Widen RH,Silbert S,Young S,Heflin KL,Conover MS,Buchan BW,Ledeboer NA

    更新日期:2018-08-27 00:00:00

  • Optimal Cutoff and Accuracy of an IgM Enzyme-Linked Immunosorbent Assay for Diagnosis of Acute Scrub Typhus in Northern Thailand: an Alternative Reference Method to the IgM Immunofluorescence Assay.

    abstract::The enzyme-linked immunosorbent assay (ELISA) has been proposed as an alternative serologic diagnostic test to the indirect immunofluorescence assay (IFA) for scrub typhus. Here, we systematically determine the optimal sample dilution and cutoff optical density (OD) and estimate the accuracy of IgM ELISA using Bayesia...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:10.1128/JCM.02744-15

    authors: Blacksell SD,Lim C,Tanganuchitcharnchai A,Jintaworn S,Kantipong P,Richards AL,Paris DH,Limmathurotsakul D,Day NPJ

    更新日期:2016-06-01 00:00:00

  • Use of a colorimetric system for yeast susceptibility testing.

    abstract::We examined the reliability and accuracy of a colorimetric assay using Alamar Blue reagent in the performance of susceptibility tests for Candida albicans. We compared the broth macrodilution method recommended by the National Committee for Clinical Laboratory Standards (NCCLS) with a macrodilution method modified wit...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:10.1128/JCM.33.4.915-917.1995

    authors: Tiballi RN,He X,Zarins LT,Revankar SG,Kauffman CA

    更新日期:1995-04-01 00:00:00

  • Modification of potassium nitrate assimilation test for identification of clinically important yeasts.

    abstract::The modification of an auxanographic method used in yeast species identification to determine potassium nitrate (KNO3) assimilation resulted in a simple and inexpensive KNO3 assimilation test medium. The medium provided accurate and reliable results in less than 24 h. ...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:10.1128/JCM.26.2.366-368.1988

    authors: Pincus DH,Salkin IF,Hurd NJ,Levy IL,Kemna MA

    更新日期:1988-02-01 00:00:00

  • Increased expression of Candida albicans secretory proteinase, a putative virulence factor, in isolates from human immunodeficiency virus-positive patients.

    abstract::The increased prevalence and the severity of oropharyngeal candidiasis in human immunodeficiency virus (HIV)-positive patients are attributed exclusively to the virus-induced immune deficiency of the host. The present study was aimed at answering the question of whether Candida albicans secretory proteinase, a putativ...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:10.1128/JCM.33.10.2543-2549.1995

    authors: Ollert MW,Wende C,Görlich M,McMullan-Vogel CG,Borg-von Zepelin M,Vogel CW,Korting HC

    更新日期:1995-10-01 00:00:00

  • Comparison of Abbott RealTime HCV Genotype II with Versant line probe assay 2.0 for hepatitis C virus genotyping.

    abstract::Genotyping and subtyping of 225 samples with hepatitis C virus (HCV) genotype 1, 2, 3, or 6 infection were done with Versant LiPA 2.0 and Abbott RealTime HCV Genotype (GT) II by using direct sequencing of the NS5B and 5' untranslated regions as the reference standards. The concordance rates were >99.2% for genotypes a...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:10.1128/JCM.03548-14

    authors: Liu CH,Liang CC,Liu CJ,Lin CL,Su TH,Yang HC,Chen PJ,Chen DS,Kao JH

    更新日期:2015-05-01 00:00:00

  • Development and clinical application of a panfungal PCR assay to detect and identify fungal DNA in tissue specimens.

    abstract::Given the rise in the incidence of invasive fungal infections (IFIs) and the expanding spectrum of fungal pathogens, early and accurate identification of the causative pathogen is essential. We developed a panfungal PCR assay that targets the internal transcribed spacer 1 (ITS1) region of the ribosomal DNA gene cluste...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:10.1128/JCM.01862-06

    authors: Lau A,Chen S,Sorrell T,Carter D,Malik R,Martin P,Halliday C

    更新日期:2007-02-01 00:00:00

  • Identification of virulence genes linked with diarrhea due to atypical enteropathogenic Escherichia coli by DNA microarray analysis and PCR.

    abstract::The role of atypical enteropathogenic Escherichia coli (EPEC) in childhood diarrhea is controversial. The aim of the present study was to search for genes linked with diarrhea in atypical EPEC strains from a case-control study among Norwegian children. Using DNA microarray analysis, genomic DNAs from strains isolated ...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:10.1128/JCM.00429-06

    authors: Afset JE,Bruant G,Brousseau R,Harel J,Anderssen E,Bevanger L,Bergh K

    更新日期:2006-10-01 00:00:00

  • Preparation and use of erythrocyte-globulin conjugates to Lassa virus in reversed passive hemagglutination and inhibition.

    abstract::Conditions were defined for functional covalent coupling of anti-Lassa virus globulins to glutaraldehyde-fixed chicken erythrocytes. Tolylene-2,4-diisocyanate in a reaction mixture containing not more than 0.01 M NaCl produced uniformly good conjugates which were used in reversed passive hemagglutination (RPH) and rev...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:10.1128/JCM.11.6.593-599.1980

    authors: Goldwasser RA,Elliott LH,Johnson KM

    更新日期:1980-06-01 00:00:00

  • Evaluation of a Novel Aspergillus Antigen Enzyme-Linked Immunosorbent Assay.

    abstract::Invasive aspergillosis (IA) is a life-threatening infection that mainly occurs in immunocompromised patients. Here, we compared the novel Aspergillus-specific galactomannoprotein (GP) enzyme-linked immunosorbent assay (ELISA) (Euroimmun Medizinische Labordiagnostika AG) to the established Platelia Aspergillus galactom...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:10.1128/JCM.00136-19

    authors: Dichtl K,Seybold U,Ormanns S,Horns H,Wagener J

    更新日期:2019-06-25 00:00:00

  • Improved Accuracy of Cefepime Susceptibility Testing for Extended-Spectrum-Beta-Lactamase-Producing Enterobacteriaceae with an On-Demand Digital Dispensing Method.

    abstract::Extended-spectrum beta-lactamase (ESBL)-producing Enterobacteriaceae generally cannot be treated with penicillins and cephalosporins. However, some later-generation cephalosporins, including cefepime, are poorly hydrolyzed by specific ESBL enzymes, and certain strains demonstrate in vitro susceptibility to these agent...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:10.1128/JCM.02128-16

    authors: Smith KP,Brennan-Krohn T,Weir S,Kirby JE

    更新日期:2017-02-01 00:00:00

  • Development and evaluation of rapid urinary antigen detection tests for diagnosis of penicilliosis marneffei.

    abstract::Penicilliosis, caused by the dimorphic fungus Penicillium marneffei, is an important opportunistic systemic fungal infection affecting immunocompromised individuals living in areas where penicilliosis is endemic. We have demonstrated previously that a urinary enzyme-linked immunosorbent assay (ELISA) with purified rab...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:10.1128/jcm.40.9.3179-3183.2002

    authors: Desakorn V,Simpson AJ,Wuthiekanun V,Sahassananda D,Rajanuwong A,Pitisuttithum P,Howe PA,Smith MD,White NJ

    更新日期:2002-09-01 00:00:00

  • Current molecular epidemiology of Lassa virus in Nigeria.

    abstract::Recent Lassa virus strains from Nigeria were completely or partially sequenced. Phylogenetic analysis revealed the predominance of lineage II and III strains, the existence of a previously undescribed (sub)lineage in Nigeria, and the directional spread of virus in the southern part of the country. The Bayesian analysi...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:10.1128/JCM.01891-10

    authors: Ehichioya DU,Hass M,Becker-Ziaja B,Ehimuan J,Asogun DA,Fichet-Calvet E,Kleinsteuber K,Lelke M,ter Meulen J,Akpede GO,Omilabu SA,Günther S,Olschläger S

    更新日期:2011-03-01 00:00:00

  • New microassay for quantitation of endotoxin using Limulus amebocyte lysate combined with enzyme-linked immunosorbent assay.

    abstract::A combined method of the Limulus amebocyte lysate (LAL) test and the enzyme-linked immunosorbent assay for quantitation of endotoxin was developed based on our observation that the antigenicity of coagulogen, a major protein in LAL, was lost when LAL reacted with endotoxin as shown by immunoblotting. Determination of ...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:10.1128/JCM.26.8.1464-1470.1988

    authors: Zhang GH,Baek L,Koch C

    更新日期:1988-08-01 00:00:00

  • Abdominal aortic aneurysm infected by Yersinia pseudotuberculosis.

    abstract::Infected aneurysms caused by Yersinia are very uncommon and are principally due to Yersinia enterocolitica. We describe the first case of an infected aneurysm caused by Yersinia pseudotuberculosis in an elderly patient with a history of atherosclerotic cardiovascular disease. ...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:10.1128/JCM.00486-06

    authors: Hadou T,Elfarra M,Alauzet C,Guinet F,Lozniewski A,Lion C

    更新日期:2006-09-01 00:00:00

  • Serum antibody to Pseudomonas aeruginosa exotoxin measured by a passive hemagglutination assay.

    abstract::A passive hemagglutination (PHA) assay for antibody to Pseudomonas aeruginosa exotoxin is described which utilizes chromic chloride-treated ovine erythrocytes coated with purified toxin. PHA antitoxin titers correlated well with those obtained by a cytotoxicity neutralization assay (r = 0.91, P less than 0.001), where...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:

    authors: Pollack M,Taylor NS

    更新日期:1977-07-01 00:00:00

  • Simultaneous detection and genotyping of "Norwalk-like viruses" by oligonucleotide array in a reverse line blot hybridization format.

    abstract::"Norwalk-like viruses" (NLVs) are the most common cause of outbreaks of nonbacterial gastroenteritis worldwide. To date, the method most widely used for typing of NLV strains is sequencing and subsequent phylogenetic analysis of reverse transcription (RT)-PCR products, which has revealed the existence of stable distin...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:10.1128/JCM.38.7.2595-2601.2000

    authors: Vinjé J,Koopmans MP

    更新日期:2000-07-01 00:00:00

  • Immunospecificity and quantitation of an enzyme-linked immunosorbent assay for group B streptococcal antibody.

    abstract::Type-specific antigen was purified from the supernatant of type III group B streptococcal cultures, tyrosylated, and bound to microtiter wells for an enzyme-linked immunosorbent assay. The immunological specificity of the antigen and the assay was shown by (i) reaction only with homologous unabsorbed rabbit sera and (...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:10.1128/JCM.16.2.350-354.1982

    authors: Anthony BF,Concepcion NF,McGeary SA,Ward JI,Heiner DC,Shapshak P,Insel RA

    更新日期:1982-08-01 00:00:00

  • Mycobacterium tuberculosis pncA Polymorphisms That Do Not Confer Pyrazinamide Resistance at a Breakpoint Concentration of 100 Micrograms per Milliliter in MGIT.

    abstract::Sequencing of the Mycobacterium tuberculosis pncA gene allows for pyrazinamide susceptibility testing. We summarize data on pncA polymorphisms that do not confer resistance at a susceptibility breakpoint of 100 μg/ml pyrazinamide in MGIT within a cohort of isolates from South Africa and the U.S. Centers for Disease Co...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:10.1128/JCM.01001-15

    authors: Whitfield MG,Warren RM,Streicher EM,Sampson SL,Sirgel FA,van Helden PD,Mercante A,Willby M,Hughes K,Birkness K,Morlock G,van Rie A,Posey JE

    更新日期:2015-11-01 00:00:00

  • Interlaboratory Comparison of Six Real-Time PCR Assays for Detection of Bovine Leukemia Virus Proviral DNA.

    abstract::Quantitative real-time PCR (qPCR) is increasingly being used for the detection of bovine leukemia virus (BLV) proviral DNA. Nevertheless, quality control for the validation and standardization of such tests is currently lacking. Therefore, the present study was initiated by three Office International des Epizooties (O...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:10.1128/JCM.00304-18

    authors: Jaworski JP,Pluta A,Rola-Łuszczak M,McGowan SL,Finnegan C,Heenemann K,Carignano HA,Alvarez I,Murakami K,Willems L,Vahlenkamp TW,Trono KG,Choudhury B,Kuźmak J

    更新日期:2018-06-25 00:00:00

  • Molecular characterization of two Bordetella bronchiseptica strains isolated from children with coughs.

    abstract::During a surveillance program associated with the Italian clinical trial for the evaluation of new acellular pertussis vaccines, two bacterial isolates were obtained in cultures of samples from immunocompetent infants who had episodes of cough. Both clinical isolates were identified as Bordetella bronchiseptica by bio...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:10.1128/JCM.35.6.1550-1555.1997

    authors: Stefanelli P,Mastrantonio P,Hausman SZ,Giuliano M,Burns DL

    更新日期:1997-06-01 00:00:00

  • Analysis of Inactivation of SARS-CoV-2 by Specimen Transport Media, Nucleic Acid Extraction Reagents, Detergents, and Fixatives.

    abstract::The COVID-19 pandemic has necessitated a multifaceted rapid response by the scientific community, bringing researchers, health officials, and industry together to address the ongoing public health emergency. To meet this challenge, participants need an informed approach for working safely with the etiological agent, t...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:10.1128/JCM.01713-20

    authors: Welch SR,Davies KA,Buczkowski H,Hettiarachchi N,Green N,Arnold U,Jones M,Hannah MJ,Evans R,Burton C,Burton JE,Guiver M,Cane PA,Woodford N,Bruce CB,Roberts ADG,Killip MJ

    更新日期:2020-10-21 00:00:00

  • Sequencing-based genotyping of mixed human papillomavirus infections by use of RipSeq software.

    abstract::Sequencing-based pathogen identification directly from clinical specimens requires time-consuming interpretation, especially with mixed chromatograms when multiple microorganisms are detected. We assessed RipSeq Mixed software for human papillomavirus (HPV) genotyping by comparison to the linear array HPV genotyping a...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:10.1128/JCM.00091-13

    authors: Tardif KD,Simmon KE,Kommedal O,Pyne MT,Schlaberg R

    更新日期:2013-04-01 00:00:00

  • Disseminated coinfection with Actinomyces graevenitzii and Mycobacterium tuberculosis: case report and review of the literature.

    abstract::We report the first case of disseminated infection with both Actinomyces graevenitzii and Mycobacterium tuberculosis and review the medical literature. Concomitant actinomycosis and tuberculosis is very rare. The potential of the facultatively aerobic, newly described A. graevenitzii for disseminated invasive infectio...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章,评审

    doi:10.1128/JCM.43.6.3017-3022.2005

    authors: Tietz A,Aldridge KE,Figueroa JE

    更新日期:2005-06-01 00:00:00

  • Isolation of an unusual mycobacterium from an AIDS patient.

    abstract::A mycobacterium isolated from a clinical sample of an AIDS patient was identified as Mycobacterium interjectum by direct 16S rRNA sequence determination. High-performance liquid chromatography, however, revealed a mycolic acid pattern which was different from the one shared by the previously analyzed strains of this s...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:10.1128/JCM.34.9.2316-2319.1996

    authors: Tortoli E,Kirschner P,Bartoloni A,Burrini C,Manfrin V,Mantella A,Scagnelli M,Scarparo C,Simonetti MT,Böttger EC

    更新日期:1996-09-01 00:00:00

  • Detection of Legionella pneumophila capsular-like envelope antigens by counterimmunoelectrophoresis.

    abstract::The capsular-like envelope of Legionella pneumophila strains Togus 1 (serotype 2) and Philadelphia 1 (serotype 1) was isolated and purified by column chromatography on Sepharose 6B. Antibody raised in rabbits to these two antigenic materials did not cross-react in gel diffusion. Upon electrophoresis followed by gel di...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:10.1128/JCM.13.4.637-642.1981

    authors: Smith RA,DiGiorgio S,Darner J,Wilhelm A

    更新日期:1981-04-01 00:00:00

  • Modified thioglycolate medium: a simple and reliable means for detection of Trichomonas vaginalis.

    abstract::Despite the declining rate of sexually transmitted diseases in developed countries, trichomoniasis is still one of the most common venereal infections. While diagnosis of this condition is commonly based on the microscopic wet-mount method, culture remains the most accurate single procedure for detecting the presence ...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:10.1128/JCM.34.10.2630-2631.1996

    authors: Poch F,Levin D,Levin S,Dan M

    更新日期:1996-10-01 00:00:00

  • Report of spores of Henneguya salminicola (Myxozoa) in human stool specimens: possible source of confusion with human spermatozoa.

    abstract::The spores of Henneguya salminicola, a common tissue parasite of salmonid fishes in the northern hemisphere, were observed in stool specimens from two different patients with diarrhea. The spores' superficial resemblance to human spermatozoa resulted, in one instance, in an incorrect report, leading to suspicion of se...

    journal_title:Journal of clinical microbiology

    pub_type: 杂志文章

    doi:10.1128/JCM.35.11.2815-2818.1997

    authors: McClelland RS,Murphy DM,Cone DK

    更新日期:1997-11-01 00:00:00