abstract：:Carbapenem-resistant Enterobacter species are emerging nosocomial pathogens. As with most multidrug-resistant Gram-negative pathogens, the polymyxins are often the only therapeutic option. In this study involving clinical isolates of E. cloacae and E. aerogenes, susceptibility testing methods with polymyxin B were ana...

journal_title：Journal of clinical microbiology

authors： Landman D,Salamera J,Quale J

更新日期：2013-12-01 00:00:00

abstract：:Diagnostic laboratories are under increasing pressure to improve and expand their services. Greater flexibility in sample processing is a critical factor that can improve the time to results while reducing reagent waste, making laboratories more efficient and cost-effective. The introduction of the Abbott mPLUS featur...

journal_title：Journal of clinical microbiology

authors： Lucic D,Jones S,Wiesneth R,Barry C,Webb E,Belova L,Dolan P,Ho S,Abravaya K,Cloherty G

更新日期：2013-12-01 00:00:00

abstract：:Rapid diagnostic tests (RDTs) based on the detection of specific antibodies in serum are commonly used for the diagnosis of visceral leishmaniasis (VL). Several commercial kits are available, and some of them allow the use of whole-blood samples instead of serum. An RDT is much more user-friendly for blood samples tha...

journal_title：Journal of clinical microbiology

authors： Kumar D,Khanal B,Tiwary P,Mudavath SL,Tiwary NK,Singh R,Koirala K,Boelaert M,Rijal S,Sundar S

更新日期：2013-12-01 00:00:00

abstract：:The mainstay of laboratory diagnosis for Lyme disease is two-tiered serological testing, in which a reactive first-tier enzyme-linked immunosorbent assay (ELISA) or an immunofluorescence assay is supplemented by separate IgM and IgG immunoblots. Recent data suggest that the C6 ELISA can be substituted for immunoblots ...

journal_title：Journal of clinical microbiology

authors： Wormser GP,Levin A,Soman S,Adenikinju O,Longo MV,Branda JA

更新日期：2013-12-01 00:00:00

abstract：:Ninety-nine isolates of clinical origin, tentatively identified as Scopulariopsis or Microascus, were morphologically and molecularly characterized by a combined analysis of the D1/D2 domains of the 28S rRNA gene and a fragment of the elongation factor 1-α gene (EF1-α) sequences. The most prevalent species was Scopula...

journal_title：Journal of clinical microbiology

authors： Sandoval-Denis M,Sutton DA,Fothergill AW,Cano-Lira J,Gené J,Decock CA,de Hoog GS,Guarro J

更新日期：2013-12-01 00:00:00

abstract：:The utility of the GeneXpert MTB/RIF (Xpert) assay for detection of Mycobacterium tuberculosis in sputum samples has been extensively studied. However, the performance of the Xpert assay as applied to other readily accessible body fluids such as exhaled breath condensate (EBC), saliva, urine, and blood has not been es...

journal_title：Journal of clinical microbiology

authors： Shenai S,Amisano D,Ronacher K,Kriel M,Banada PP,Song T,Lee M,Joh JS,Winter J,Thayer R,Via LE,Kim S,Barry CE 3rd,Walzl G,Alland D

更新日期：2013-12-01 00:00:00

abstract：:We compared 14 molecular assays for their ability to detect the Mycobacterium tuberculosis complex in bronchoalveolar lavage fluid samples. Three approaches were followed. First, by using DNA from Mycobacterium bovis BCG, we determined the detection limits of the assays using routine molecular methods. Second, in orde...

journal_title：Journal of clinical microbiology

authors： Akkerman OW,van der Werf TS,de Boer M,de Beer JL,Rahim Z,Rossen JW,van Soolingen D,Kerstjens HA,van der Zanden AG

更新日期：2013-11-01 00:00:00

abstract：:The BD Phoenix system was evaluated for species-level identification of yeasts (250 clinical isolates) and compared with the Vitek 2 system, using ribosomal internal transcribed spacer (ITS) sequence analysis as the gold standard. Considering only the species included in each system's database, 96.3% (236/245) and 91....

journal_title：Journal of clinical microbiology

authors： Posteraro B,Ruggeri A,De Carolis E,Torelli R,Vella A,De Maio F,Ricciardi W,Posteraro P,Sanguinetti M

更新日期：2013-11-01 00:00:00

abstract：:This study compares the identification, typing, and phylogenetic relationships of the most prevalent clinical Nocardia species in Spain, as determined via sequence analysis of their housekeeping genes gyrB and rpoB, with the results returned by the gold standard 16S rRNA method. gyrB and rpoB analyses identified Nocar...

journal_title：Journal of clinical microbiology

authors： Carrasco G,Valdezate S,Garrido N,Villalón P,Medina-Pascual MJ,Sáez-Nieto JA

更新日期：2013-11-01 00:00:00

abstract：:Sepsis is a major cause of death worldwide among nonhospitalized people and hospitalized patients. A wide range of pathogens are involved, and the correct identification and correct antimicrobial therapy are critical to ensure optimal clinical outcomes. With the recent introduction of matrix-assisted laser desorption ...

journal_title：Journal of clinical microbiology

authors： Foster AG

更新日期：2013-11-01 00:00:00

abstract：:Seventy-eight blood cultures with a Gram stain result of Gram-positive cocci in pairs and/or chains were evaluated with the Nanosphere Verigene Gram-positive blood culture (BC-GP) assay. The overall concordance of the assay with culture was 89.7% (70/78 cultures), allowing for the development of a targeted treatment a...

journal_title：Journal of clinical microbiology

authors： Alby K,Daniels LM,Weber DJ,Miller MB

更新日期：2013-11-01 00:00:00

abstract：:Leifsonia aquatica is an aquatic bacterium that is typically found in environmental water habitats. Infections due to L. aquatica are rare and commonly catheter associated in immunocompromised patients. We report the first case of an acute septicemia caused by L. aquatica in a healthy immunocompetent host after cryope...

journal_title：Journal of clinical microbiology

authors： Han L,Lei JE,Wang X,Guo LT,Kang QY,He L,Xu JR

更新日期：2013-11-01 00:00:00

abstract：:The food-borne pathogen Listeria monocytogenes is genetically heterogeneous. Although some clonal groups have been implicated in multiple outbreaks, there is currently no consensus on how "epidemic clones" should be defined. The objectives of this work were to compare the patterns of sequence diversity on two sets of ...

journal_title：Journal of clinical microbiology

authors： Cantinelli T,Chenal-Francisque V,Diancourt L,Frezal L,Leclercq A,Wirth T,Lecuit M,Brisse S

更新日期：2013-11-01 00:00:00

abstract：:The clinical performance of the cobas human papillomavirus (HPV) test for detection of high-grade disease in a colposcopy-referred population was compared with that of Hybrid Capture 2 (HC2). The overall agreement between the tests was 92.3%. Clinical sensitivity and specificity for detection of cervical intraepitheli...

journal_title：Journal of clinical microbiology

authors： White C,Keegan H,Pilkington L,Ruttle C,Kerr P,Sharp L,O'Toole S,Turner M,Prendiville W,D'Arcy T,Fitzpatrick M,Lenehan P,Flannelly G,O'Leary JJ,Martin CM

更新日期：2013-10-01 00:00:00

abstract：:The stability of cervical specimens in SurePath preservative fluid for human papillomavirus (HPV) testing with Roche cobas 4800 was determined using a panel of 308 pooled specimens from a colposcopy referral population. The SurePath specimens appeared to be stable for up to 10 weeks at ambient temperature for HPV test...

journal_title：Journal of clinical microbiology

authors： Gilbert L,Oates E,Ratnam S

更新日期：2013-10-01 00:00:00

abstract：:Human cytomegalovirus (HCMV) resistance to antivirals is a major problem in immunocompromised patients. Drug resistance is characterized by phenotypic testing or genotypic analysis of the phosphotransferase (UL97) and DNA polymerase (UL54) genes. However, genotypic assays require further characterization of unknown mu...

journal_title：Journal of clinical microbiology

authors： Drouot E,Piret J,Boivin G

更新日期：2013-10-01 00:00:00

abstract：:Classical microbiological diagnosis of human brucellosis is time-consuming, hazardous, and subject to variable interpretation. Intact-cell matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF MS) was evaluated for the routine identification of Brucella spp. Analysis of mass peak patt...

journal_title：Journal of clinical microbiology

authors： Karger A,Melzer F,Timke M,Bettin B,Kostrzewa M,Nöckler K,Hohmann A,Tomaso H,Neubauer H,Al Dahouk S

更新日期：2013-09-01 00:00:00

abstract：:We report Campylobacter fetus meningitis associated with endocarditis in a 75-year-old diabetic man after he consumed raw liver. C. fetus was isolated from blood samples and cerebrospinal fluid. Cure was obtained with combined intravenous imipenem-gentamicin for 4 weeks; no relapse occurred after 6 months of follow-up...

journal_title：Journal of clinical microbiology

authors： Suy F,Le Dû D,Roux AL,Hanachi M,Dinh A,Crémieux AC

更新日期：2013-09-01 00:00:00

abstract：:The Vitek MS v2.0 matrix-assisted laser desorption ionization-time of flight mass spectrometry system accurately distinguished Streptococcus pneumoniae from nonpneumococcal S. mitis group species. Only 1 of 116 nonpneumococcal isolates (<1%) was misidentified as S. pneumoniae. None of 95 pneumococcal isolates was misi...

journal_title：Journal of clinical microbiology

authors： Branda JA,Markham RP,Garner CD,Rychert JA,Ferraro MJ

更新日期：2013-09-01 00:00:00

abstract：:Pneumocystis jirovecii pneumonia (PCP) is an opportunistic infection with airborne transmission and remains a major cause of respiratory illness among immunocompromised individuals. In recent years, several outbreaks of PCP, occurring mostly in kidney transplant recipients, have been reported. Currently, multilocus se...

journal_title：Journal of clinical microbiology

authors： Maitte C,Leterrier M,Le Pape P,Miegeville M,Morio F

更新日期：2013-09-01 00:00:00

abstract：:This study describes the course of an OXA-48-producing Enterobacteriaceae (OPE) outbreak that started in March 2012 in a neonatal intensive care unit (NICU) in Jerusalem, Israel. During the peak of the outbreak (January to August 2012), there were 49 patients who had proven or suspected acquisition of OPE in the NICU,...

journal_title：Journal of clinical microbiology

authors： Adler A,Solter E,Masarwa S,Miller-Roll T,Abu-Libdeh B,Khammash H,Najem K,Dekadek S,Stein-Zamir C,Nubani N,Kunbar A,Assous MV,Carmeli Y,Schwaber MJ

更新日期：2013-09-01 00:00:00

abstract：:We compared the coreceptor tropism-predicting performance of a specific genotypic algorithm for HIV-1 subtype D and that of the geno2pheno algorithm with different cutoffs. The D-specific algorithm and geno2pheno with a false-positivity rate cutoff of 2.5% had the same concordance with the phenotypic determination. Th...

journal_title：Journal of clinical microbiology

authors： Dina J,Raymond S,Maillard A,Le Guillou-Guillemette H,Rodalec A,Beby-Defaux A,Giraudeau G,Vallet S,Mourez T,Payan C,Vabret A,Ruffault A,Ferre V,Izopet J,Plantier JC

更新日期：2013-09-01 00:00:00

abstract：:Genetic polymorphisms in the malaria parasite Plasmodium falciparum mediate alterations in sensitivity to important antimalarial drugs. Surveillance for these polymorphisms is helpful in assessing the prevalence of drug resistance and designing strategies for malaria control. Multiple methods are available for the ass...

journal_title：Journal of clinical microbiology

authors： LeClair NP,Conrad MD,Baliraine FN,Nsanzabana C,Nsobya SL,Rosenthal PJ

更新日期：2013-08-01 00:00:00

abstract：:A method for extracting poliovirus (PV) from stool extracts was developed. Magnetic nanoparticles sensitized with soluble PV receptor efficiently extracted PV pseudovirus (>99% extraction) or endogenous infectious PVs (>90% extraction) from stool extracts. This method would be useful for extraction of PV from crude bi...

journal_title：Journal of clinical microbiology

authors： Arita M

更新日期：2013-08-01 00:00:00

abstract：:A 49-year-old woman with a 15-year history of HIV-hepatitis C virus coinfection had aortic valve and ascending aorta replacement in 2007. She presented with abdominal pain, episodic diarrhea, and profuse sweating in 2010. Thoracoabdominal positron emission tomography-computed tomography finally suggested infectious ao...

journal_title：Journal of clinical microbiology

authors： Rougemont M,Ratib O,Wintsch J,Schrenzel J,Hirschel B

更新日期：2013-08-01 00:00:00

abstract：:This study determined the group A rotavirus occurrence in pig farms from 7 different cities in São Paulo State, Brazil. Out of 143 samples, 70 tested positive. Sequence analyses of 37 strains indicated that the strains had the G3, G5, G9, and P[6], P[13]/P[22]-like, and P[23] genotypes. ...

journal_title：Journal of clinical microbiology

authors： Tonietti PO,Hora AS,Silva FD,Ruiz VL,Gregori F

更新日期：2013-08-01 00:00:00

abstract：:Standardization of sequence chromatogram analysis is required for consistent genotypic tropism determination across laboratories. A freely available, fast, and automated chromatogram analysis tool (RECall) provided tropism interpretations equivalent to those of manual sequence editing of 521 V3 loop HIV-1 population s...

journal_title：Journal of clinical microbiology

authors： Pou C,Bellido R,Casadellà M,Puig T,Clotet B,Harrigan R,Paredes R

更新日期：2013-08-01 00:00:00

abstract：:Chlamydia pecorum is a significant pathogen of domestic livestock and wildlife. We have developed a C. pecorum-specific multilocus sequence analysis (MLSA) scheme to examine the genetic diversity of and relationships between Australian sheep, cattle, and koala isolates. An MLSA of seven concatenated housekeeping gene ...

journal_title：Journal of clinical microbiology

authors： Jelocnik M,Frentiu FD,Timms P,Polkinghorne A

更新日期：2013-08-01 00:00:00

abstract：:The Tigecycline Evaluation and Surveillance Trial (TEST) was designed to monitor global longitudinal changes in bacterial susceptibility to a panel of antimicrobial agents, including tigecycline. In this study, we examine susceptibility among Gram-positive isolates collected from pediatric patients globally between 20...

journal_title：Journal of clinical microbiology

authors： Brandon M,Dowzicky MJ

更新日期：2013-07-01 00:00:00

abstract：:Standard culture methods for diagnosis of Streptococcus pneumoniae pneumonia take at least 24 h. The BinaxNOW urine-based test for S. pneumoniae (BinaxNOW-SP) takes only 15 min to conduct, potentially enabling earlier diagnosis and targeted treatment. This study was conducted to assess whether the use of BinaxNOW-SP a...

journal_title：Journal of clinical microbiology

authors： Sinclair A,Xie X,Teltscher M,Dendukuri N

更新日期：2013-07-01 00:00:00

abstract：:Droplet digital PCR (ddPCR) is an emulsion PCR process that performs absolute quantitation of nucleic acids. We developed a ddPCR assay for Chlamydia trachomatis infections and found it to be accurate and precise. Using PCR mixtures containing plasmids engineered to include the PCR target sequences, we were able to qu...

journal_title：Journal of clinical microbiology

authors： Roberts CH,Last A,Molina-Gonzalez S,Cassama E,Butcher R,Nabicassa M,McCarthy E,Burr SE,Mabey DC,Bailey RL,Holland MJ

更新日期：2013-07-01 00:00:00

abstract：:Mycobacterium avium subsp. paratuberculosis is shed into the milk and feces of cows with advanced Johne's disease, allowing the transmission of M. avium subsp. paratuberculosis between animals. The objective of this study was to formulate an optimized protocol for the isolation of M. avium subsp. paratuberculosis in m...

journal_title：Journal of clinical microbiology

authors： Bradner L,Robbe-Austerman S,Beitz DC,Stabel JR

更新日期：2013-07-01 00:00:00

abstract：:Despite recent advances, tuberculosis (TB) diagnosis remains imperfect in resource-limited settings due to its complexity and costs, poor sensitivity of available tests, or long times to reporting. We present a report on the use of colorimetric methods, based on the detection of mycobacterial growth using colorimetric...

journal_title：Journal of clinical microbiology

authors： Boum Y 2nd,Orikiriza P,Rojas-Ponce G,Riera-Montes M,Atwine D,Nansumba M,Bazira J,Tuyakira E,De Beaudrap P,Bonnet M,Page AL

更新日期：2013-07-01 00:00:00

abstract：:The population structure of 3,776 Mycobacterium tuberculosis isolates was determined using variable-number tandem-repeat (VNTR) typing. The degree of clonality was so high that a more relaxed definition of clustering cannot be applied. Among recent immigrants with non-Euro-American isolates, transmission is overestima...

journal_title：Journal of clinical microbiology

authors： Sloot R,Borgdorff MW,de Beer JL,van Ingen J,Supply P,van Soolingen D

更新日期：2013-07-01 00:00:00

abstract：:Infective endocarditis (IE) is a life-threatening infection of the heart endothelium and valves. Staphylococcus aureus is a predominant cause of severe IE and is frequently associated with infections in health care settings and device-related infections. Multilocus sequence typing (MLST), spa typing, and virulence gen...

journal_title：Journal of clinical microbiology

authors： Nethercott C,Mabbett AN,Totsika M,Peters P,Ortiz JC,Nimmo GR,Coombs GW,Walker MJ,Schembri MA

更新日期：2013-07-01 00:00:00

abstract：:Fully standardized reproducible and sensitive quantification assays for cytomegalovirus (CMV) are needed to better define thresholds for antiviral therapy initiation and interruption. We evaluated the newly released Abbott RealTime CMV assay for CMV quantification in whole blood (WB) that includes automated extraction...

journal_title：Journal of clinical microbiology

authors： Schnepf N,Scieux C,Resche-Riggon M,Feghoul L,Xhaard A,Gallien S,Molina JM,Socié G,Viglietti D,Simon F,Mazeron MC,Legoff J

更新日期：2013-07-01 00:00:00

abstract：:Rapid identification of pathogens from blood cultures can decrease lengths of stay and improve patient outcomes. We evaluated the accuracy of the Verigene Gram-positive blood culture (BC-GP) nucleic acid test for investigational use only (Nanosphere, Inc., Northbrook, IL) for the identification of Gram-positive bacter...

journal_title：Journal of clinical microbiology

authors： Wojewoda CM,Sercia L,Navas M,Tuohy M,Wilson D,Hall GS,Procop GW,Richter SS

更新日期：2013-07-01 00:00:00

abstract：:A total of 145 clinical strains of Candida species were tested by the Clinical and Laboratory Standards Institute M27-A3 methodology to determine if replacing water with dimethyl sulfoxide as the solvent for fluconazole and flucytosine impacted the in vitro potency. No significant differences in MIC values were observ...

journal_title：Journal of clinical microbiology

authors： Fothergill AW,Sanders C,Wiederhold NP

更新日期：2013-06-01 00:00:00

abstract：:Patients with infection from bacteremic Bartonella spp., tested using Bartonella Alphaproteobacteria growth medium (BAPGM), were retrospectively categorized into one of two groups that included those whose blood was collected once (group 1; n = 55) or three times (group 2; n = 36) within a 1-week period. Overall, 19 p...

journal_title：Journal of clinical microbiology

authors： Pultorak EL,Maggi RG,Mascarelli PE,Breitschwerdt EB

更新日期：2013-06-01 00:00:00

abstract：:In clinical laboratories, diagnosis of imported malaria is commonly performed by microscopy. However, the volume of specimens is generally low and maintaining proficiency in reading blood smears, particularly at the species level, is challenging in this setting. To address this problem, the Provincial Laboratory for P...

journal_title：Journal of clinical microbiology

authors： Shokoples S,Mukhi SN,Scott AN,Yanow SK

更新日期：2013-06-01 00:00:00