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

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

abstract：:Group B Streptococcus detection directly from Copan ESwab collected samples, using the BD Max GBS assay, was evaluated on receipt in the laboratory and after 24 h at room temperature. Results were compared to those using Lim broth enrichment PCR and culture. No significant difference was observed between 24 h ESwab an...

journal_title：Journal of clinical microbiology

authors： Silbert S,Rocchetti TT,Gostnell A,Kubasek C,Widen R

更新日期：2016-06-01 00:00:00

abstract：:Gram stains remain the cornerstone of diagnostic testing in the microbiology laboratory for the guidance of empirical treatment prior to availability of culture results. Incorrectly interpreted Gram stains may adversely impact patient care, and yet there are no comprehensive studies that have evaluated the reliability...

journal_title：Journal of clinical microbiology

authors： Samuel LP,Balada-Llasat JM,Harrington A,Cavagnolo R

更新日期：2016-06-01 00:00:00

abstract：:Lyme disease prevails as the most commonly transmitted tick-borne infection in the United States, and serologic evaluation for antibodies to Borrelia burgdorferi remains the recommended modality for diagnosis. This review presents a brief historical perspective on the evolution of serologic assays for Lyme disease and...

journal_title：Journal of clinical microbiology

authors： Theel ES

更新日期：2016-05-01 00:00:00

abstract：:Matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF MS) and conventional standard methods were compared for time to pathogen identification and impact on clinical outcomes in peritoneal dialysis-related peritonitis patients. The MALDI-TOF MS method identified the causative microorga...

journal_title：Journal of clinical microbiology

authors： Lin WH,Hwang JC,Tseng CC,Chang YT,Wu AB,Yan JJ,Wu JJ,Wang MC

更新日期：2016-05-01 00:00:00

abstract：:Four HIV rapid tests were subjected to field validation in Panama and compared to an enzyme-linked immunosorbent assay/Multispot-based testing algorithm. The sensitivities of Determine, Uni-Gold, SD Bioline, and INSTI were 99.8%. The specificities of Determine, SD-Bioline, and Uni-Gold were 100%, and the specificity o...

journal_title：Journal of clinical microbiology

authors： Juarez SI,Nuñez AE,Aranda MM,Mojica D,Kim AA,Parekh B

更新日期：2016-04-01 00:00:00

abstract：:One of the most common diseases in high-performance German Holstein dairy cows is left-sided displacement of the abomasum (LDA). Hypomotility of the abomasum is detrimental during the pathogenesis of LDA. It is known that improper interactions between the gut microbiota and the enteric nervous system contribute to dys...

journal_title：Journal of clinical microbiology

authors： Song ES,Jung SI,Park HJ,Seo KW,Son JH,Hong S,Shim M,Kim HB,Song KH

更新日期：2016-04-01 00:00:00

abstract：:Genetic studies of serogroup 6 isolates ofStreptococcus pneumoniaeidentified putative serotype 6E. Although its capsular polysaccharide structure has not been elucidated, putative serotype 6E is described in an increasing number of studies as a potentially new serotype. We show here that SPEC6B, which is widely used a...

journal_title：Journal of clinical microbiology

authors： Burton RL,Geno KA,Saad JS,Nahm MH

更新日期：2016-04-01 00:00:00

abstract：:Using blaZ PCR as the "gold standard," the sensitivities of CLSI penicillin zone edge and nitrocefin-based tests for β-lactamase production in Staphylococcus aureus were 64.5% and 35.5%, respectively, with specificity of 99.8% for both methods. In 2013, 13.5% of 3,083 S. aureus isolates from 31 U.S. centers were penic...

journal_title：Journal of clinical microbiology

authors： Richter SS,Doern GV,Heilmann KP,Miner S,Tendolkar S,Riahi F,Diekema DJ

更新日期：2016-03-01 00:00:00

abstract：:Prion diseases of cattle include the classical bovine spongiform encephalopathy (C-BSE) and the atypical H-type BSE (H-BSE) and L-type BSE (L-BSE) strains. Although the C- and L-BSE strains can be detected and discriminated by ultrasensitive real-time quaking-induced conversion (RT-QuIC) assays, no such test has yet b...

journal_title：Journal of clinical microbiology

authors： Masujin K,Orrú CD,Miyazawa K,Groveman BR,Raymond LD,Hughson AG,Caughey B

更新日期：2016-03-01 00:00:00

abstract：:Enterobacter cloacae strain G6809 with reduced susceptibility to carbapenems was identified from a patient in a long-term acute care hospital in Kentucky. G6809 belonged to sequence type (ST) 88 and carried two carbapenemase genes, bla(KPC-18) and bla(VIM-1). Whole-genome sequencing localized bla(KPC-18) to the chromo...

journal_title：Journal of clinical microbiology

authors： Thomson GK,Snyder JW,McElheny CL,Thomson KS,Doi Y

更新日期：2016-03-01 00:00:00

abstract：:Clostridium difficile 027/NAP1/BI is the most common C. difficile strain in the United States. The Xpert C. difficile/Epi assay allows rapid, presumptive identification of C. difficile NAP1. We compared Xpert C. difficile/Epi to multilocus sequence typing for identification of C. difficile NAP1 and found "very good" a...

journal_title：Journal of clinical microbiology

authors： McMillen T,Kamboj M,Babady NE

更新日期：2016-03-01 00:00:00

abstract：:Determination of anti-hepatitis E virus (anti-HEV) antibodies is still enigmatic. There is no gold standard, and results obtained with different assays often diverge. Herein, five assays were compared for detection of anti-HEV IgM and IgG. Serum samples from 500 Swedish blood donors and 316 patients, of whom 136 had s...

journal_title：Journal of clinical microbiology

authors： Norder H,Karlsson M,Mellgren Å,Konar J,Sandberg E,Lasson A,Castedal M,Magnius L,Lagging M

更新日期：2016-03-01 00:00:00

abstract：:Typing of Mycobacterium avium subspecies paratuberculosis strains presents a challenge, since they are genetically monomorphic and traditional molecular techniques have limited discriminatory power. The recent advances and availability of whole-genome sequencing have extended possibilities for the characterization of ...

journal_title：Journal of clinical microbiology

authors： Leão C,Goldstone RJ,Bryant J,McLuckie J,Inácio J,Smith DG,Stevenson K

更新日期：2016-03-01 00:00:00

abstract：:Salmonella enterica serovar Heidelberg is the second most frequently occurring serovar in Quebec and the third-most prevalent in Canada. Given that conventional pulsed-field gel electrophoresis (PFGE) subtyping for common Salmonella serovars, such as S. Heidelberg, yields identical subtypes for the majority of isolate...

journal_title：Journal of clinical microbiology

authors： Bekal S,Berry C,Reimer AR,Van Domselaar G,Beaudry G,Fournier E,Doualla-Bell F,Levac E,Gaulin C,Ramsay D,Huot C,Walker M,Sieffert C,Tremblay C

更新日期：2016-02-01 00:00:00

abstract：:Although numerous perioperative samples and culture media are required to diagnose prosthetic joint infection (PJI), their exact number and types have not yet been definitely determined with a high level of proof. We conducted a prospective multicenter study to determine the minimal number of samples and culture media...

journal_title：Journal of clinical microbiology

authors： Bémer P,Léger J,Tandé D,Plouzeau C,Valentin AS,Jolivet-Gougeon A,Lemarié C,Kempf M,Héry-Arnaud G,Bret L,Juvin ME,Giraudeau B,Corvec S,Burucoa C,Centre de Référence des Infections Ostéo-articulaires du Grand Ouest (CRIOGO) Stu

更新日期：2016-02-01 00:00:00

abstract：:This study evaluated the quantitative results from and quality of the inoculation patterns of urine specimens produced by two automated instruments, the Copan WASP and the BD InoqulA. Five hundred twenty-six urine samples submitted in 10-ml canisters containing boric acid were processed within 30 min on an InoqulA ins...

journal_title：Journal of clinical microbiology

authors： Iversen J,Stendal G,Gerdes CM,Meyer CH,Andersen CØ,Frimodt-Møller N

更新日期：2016-02-01 00:00:00

abstract：:We analyzed data of 263 women with at least one genital or anorectal sexually transmitted infection from a cross-sectional study conducted in rural South Africa. We provide new insights concerning the concurrence of Chlamydia trachomatis, Neisseria gonorrhoeae, Mycoplasma genitalium, and Trichomonas vaginalis infectio...

journal_title：Journal of clinical microbiology

authors： Dubbink JH,de Waaij DJ,Bos M,van der Eem L,Bébéar C,Mbambazela N,Ouburg S,Peters RP,Morré SA

更新日期：2016-01-01 00:00:00

abstract：:The performance of the Enigma MiniLab assay for influenza A and B viruses and respiratory syncytial virus (RSV) was compared to a centralized laboratory respiratory virus panel. The positive and negative percent agreement for influenza A virus, influenza B virus, and RSV were 79.2% (95% confidence interval [95% CI], 5...

journal_title：Journal of clinical microbiology

authors： Douthwaite ST,Walker C,Adams EJ,Mak C,Vecino Ortiz A,Martinez-Alier N,Goldenberg SD

更新日期：2016-01-01 00:00:00

abstract：:Multilocus sequence typing was successfully completed on 494 isolates of Streptococcus uberis from clinical mastitis cases in a study of 52 commercial dairy herds over a 12-month period. In total, 195 sequence types (STs) were identified. S. uberis mastitis cases that occurred in different cows within the same herd an...

journal_title：Journal of clinical microbiology

authors： Davies PL,Leigh JA,Bradley AJ,Archer SC,Emes RD,Green MJ

更新日期：2016-01-01 00:00:00

abstract：:We evaluated the clinical performance of Check-Direct CPE for carbapenemase detection directly from 301 perirectal swabs (258 patients) in a nonoutbreak setting. Culture of a PCR-confirmed, carbapenemase-containing organism, or history of colonization with such organism within the previous 2 weeks, was used as the ref...

journal_title：Journal of clinical microbiology

authors： Lau AF,Fahle GA,Kemp MA,Jassem AN,Dekker JP,Frank KM

更新日期：2015-12-01 00:00:00

abstract：:This study evaluated the performance of the Rapidec Carba NP test, which was introduced recently into the market for the detection of carbapenemase production in a broad spectrum of β-lactamase-producing Enterobacteriaceae clinical isolates. In total, 252 clinical Enterobacteriaceae isolates that had been genetically ...

journal_title：Journal of clinical microbiology

authors： Hombach M,von Gunten B,Castelberg C,Bloemberg GV

更新日期：2015-12-01 00:00:00

abstract：:Molecular methodologies were used to identify 28 Achromobacter spp. from patients with cystic fibrosis (CF). Multilocus sequence typing (MLST) identified 17 Achromobacter xylosoxidans isolates (all bla(OXA-114) positive), nine Achromobacter ruhlandii isolates (all bla(OXA-114) positive), one Achromobacter dolens isola...

journal_title：Journal of clinical microbiology

authors： Rodrigues ER,Ferreira AG,Leão RS,Leite CC,Carvalho-Assef AP,Albano RM,Marques EA

更新日期：2015-12-01 00:00:00

abstract：:Parameters like zone reading, inoculum density, and plate streaking influence the precision and accuracy of disk diffusion antibiotic susceptibility testing (AST). While improved reading precision has been demonstrated using automated imaging systems, standardization of the inoculum and of plate streaking have not bee...

journal_title：Journal of clinical microbiology

authors： Hombach M,Maurer FP,Pfiffner T,Böttger EC,Furrer R

更新日期：2015-12-01 00:00:00

abstract：:Seven commercial immunochromatographic assays intended for the detection of group A rotavirus antigens in human stool samples were evaluated. These assays showed similar levels of diagnostic accuracy and were suitable for the detection of rotavirus in patients with acute gastroenteritis but missed some asymptomatic ro...

journal_title：Journal of clinical microbiology

authors： Kaplon J,Fremy C,Pillet S,Mendes Martins L,Ambert-Balay K,Aho SL,Pothier P

更新日期：2015-11-01 00:00:00

abstract：:Plasmodium nucleic acids have been detected in serum and plasma, but there is little published data describing the diagnostic performance of malaria nucleic acid amplification tests (NAATs) using these specimen types. Previously, our group described a multiplex NAAT for the detection of dengue virus, Leptospira, and P...

journal_title：Journal of clinical microbiology

authors： Waggoner JJ,Okangba C,Mohamed-Hadley A,Lefterova MI,Banaei N,Oyibo W,Pinsky BA

更新日期：2015-11-01 00:00:00

abstract：:BHI agars supplemented with vancomycin 4 (BHI-V4) and 3 (BHI-V3) mg/liter have been proposed for screening vancomycin intermediately susceptible Staphylococcus aureus (VISA) and heteroresistant (hVISA) phenotypes, respectively, but growth interpretation criteria have not been established. We reviewed the growth result...

journal_title：Journal of clinical microbiology

authors： Khatib R,Riederer K,Sharma M,Shemes S,Iyer SP,Szpunar S

更新日期：2015-11-01 00:00:00

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

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

abstract：:We developed a real-time PCR assay to detect single nucleotide polymorphisms associated with ciprofloxacin resistance in specimens submitted for nucleic acid amplification testing (NAAT). All three single nucleotide polymorphism (SNP) targets produced high sensitivity and specificity values. The presence of ≥2 SNPs wa...

journal_title：Journal of clinical microbiology

authors： Peterson SW,Martin I,Demczuk W,Bharat A,Hoang L,Wylie J,Allen V,Lefebvre B,Tyrrell G,Horsman G,Haldane D,Garceau R,Wong T,Mulvey MR

更新日期：2015-11-01 00:00:00

abstract：:The OmpK36 porin plays a role in carbapenem resistance and may contribute to bacterial virulence in Klebsiella pneumoniae. This study aimed to investigate the characteristics of different groups of K. pneumoniae separated by ompK36 typing. Among 226 nonduplicate K. pneumoniae bloodstream isolates collected at a Taiwan...

journal_title：Journal of clinical microbiology

authors： Yan JJ,Zheng PX,Wang MC,Tsai SH,Wang LR,Wu JJ

更新日期：2015-10-01 00:00:00

abstract：:The currently available diagnostics for Clostridium difficile infection (CDI) have major limitations. Despite mounting evidence that toxin detection is paramount for diagnosis, conventional toxin immunoassays are insufficiently sensitive and cytotoxicity assays too complex; assays that detect toxigenic organisms (toxi...

journal_title：Journal of clinical microbiology

authors： Song L,Zhao M,Duffy DC,Hansen J,Shields K,Wungjiranirun M,Chen X,Xu H,Leffler DA,Sambol SP,Gerding DN,Kelly CP,Pollock NR

更新日期：2015-10-01 00:00:00

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

authors： Bosch T,Euser SM,Landman F,Bruin JP,IJzerman EP,den Boer JW,Schouls LM

更新日期：2015-10-01 00:00:00

abstract：:The first FDA-approved multiplex PCR panel for a large number of respiratory pathogens was introduced in 2008. Since then, other PCR panels for detection of several respiratory and gastrointestinal pathogens have been approved by the FDA and are commercially available, and more such panels are likely to become availab...

journal_title：Journal of clinical microbiology

authors： Schreckenberger PC,McAdam AJ

更新日期：2015-10-01 00:00:00

abstract：:Alveolar echinococcosis (AE), caused by the Echinococcus multilocularis metacestode, represents one of the most frequently fatal zoonoses. Early diagnosis significantly reduces morbidity and mortality associated with AE. Diagnosis of AE largely depends on a combination of imaging and serological tests due to its minim...

journal_title：Journal of clinical microbiology

authors： Ahn CS,Cai H,Kim JG,Han X,Ma X,Bae YA,Yang HJ,Kang I,Wang H,Kong Y

更新日期：2015-10-01 00:00:00

abstract：:Rabies virus found worldwide and prevalent throughout the United States continues to be a public health concern. Direct-fluorescent antibody (DFA) detection remains the gold standard for rabies virus diagnostics. Assessing the utility of a high-throughput molecular platform such as the QIAsymphony SP/AS, in conjunctio...

journal_title：Journal of clinical microbiology

authors： Dupuis M,Brunt S,Appler K,Davis A,Rudd R

更新日期：2015-09-01 00:00:00

abstract：:The newly emerged Middle East respiratory syndrome coronavirus (MERS-CoV) has infected at least 1,082 people, including 439 fatalities. So far, no empirical virus isolation study has been done to elucidate infectious virus secretion or serotype variability. Here, we used 51 respiratory samples from 32 patients with co...

journal_title：Journal of clinical microbiology

authors： Muth D,Corman VM,Meyer B,Assiri A,Al-Masri M,Farah M,Steinhagen K,Lattwein E,Al-Tawfiq JA,Albarrak A,Müller MA,Drosten C,Memish ZA

更新日期：2015-09-01 00:00:00

abstract：:Methicillin-resistant Staphylococcus aureus (MRSA) infection and colonization, involving MRSA strains which differ from common human health care-associated clones, have become serious emerging conditions in equine veterinary hospitals. In 2010, MRSA spa type t535 caused an outbreak involving both horses and personnel ...

journal_title：Journal of clinical microbiology

authors： Steinman A,Masarwa S,Tirosh-Levy S,Gleser D,Kelmer G,Adler A,Carmeli Y,Schwaber MJ

更新日期：2015-09-01 00:00:00

abstract：:We isolated Shiga toxin-producing Escherichia coli O157:H7 strains resistant to third-generation cephalosporins. The resistant strains harbored blaCMY-2, a plasmid-mediated AmpC β-lactamase. Genotyping of isolates revealed the possible spread of this problematic bacterium. Results suggested the importance of the inves...

journal_title：Journal of clinical microbiology

authors： Kawahara R,Seto K,Taguchi M,Nakajima C,Kumeda Y,Suzuki Y

更新日期：2015-09-01 00:00:00

abstract：:Multidrug-resistant (MDR) Klebsiella pneumoniae is one of the most important causes of nosocomial infections worldwide. After the spread of strains resistant to beta-lactams at the end of the previous century, the diffusion of isolates resistant to carbapenems and colistin is now reducing treatment options and the con...

journal_title：Journal of clinical microbiology

authors： Onori R,Gaiarsa S,Comandatore F,Pongolini S,Brisse S,Colombo A,Cassani G,Marone P,Grossi P,Minoja G,Bandi C,Sassera D,Toniolo A

更新日期：2015-09-01 00:00:00

abstract：:Accurate identification of pathogenic species is important for early appropriate patient management, but growing diversity of infectious species/strains makes the identification of clinical yeasts increasingly difficult. Among conventional methods that are commercially available, the API ID32C, AuxaColor, and Vitek 2 ...

journal_title：Journal of clinical microbiology

authors： Posteraro B,Efremov L,Leoncini E,Amore R,Posteraro P,Ricciardi W,Sanguinetti M

更新日期：2015-08-01 00:00:00