abstract：:Sputum obtained from patients with cystic fibrosis (CF) is highly viscous and often heterogeneous in bacterial distribution. Adding dithiothreitol (DTT) is the standard method for liquefaction prior to processing sputum for molecular detection assays. To determine if DTT treatment homogenizes the bacterial distributio...

journal_title：Journal of clinical microbiology

authors： Stokell JR,Khan A,Steck TR

更新日期：2014-07-01 00:00:00

abstract：:The first vector-borne Capnocytophaga canimorsus sepsis case is presented. An immunocompetent male who denied any contact with canines and who worked in a sawmill was bitten on his neck by a large pine weevil (Hylobius abietis L.; Coleoptera: Curculionidae). Bacteriological diagnosis was confirmed by 16S rRNA gene seq...

journal_title：Journal of clinical microbiology

authors： Tuuminen T,Viiri H,Vuorinen S

更新日期：2014-07-01 00:00:00

abstract：:Lipooligosaccharide configurations were predicted in nontypeable Haemophilus influenzae isolates based on the presence of seven oligosaccharide extension-initiating genes (or alleles). Predicted configurations with 2 to 3 oligosaccharide extensions were more prevalent among middle ear than throat strains. In addition,...

journal_title：Journal of clinical microbiology

authors： McCrea KW,Xie J,Daniel D,Ulrich-Lewis JT,Zhang L

更新日期：2014-07-01 00:00:00

abstract：:Resistance to extended-spectrum β-lactam antibiotics has led to a greater reliance upon carbapenems, but the expression of carbapenemases threatens to limit the utility of these drugs. Current methods to detect carbapenemase activity are suboptimal, requiring prolonged incubations during which ineffective therapy may ...

journal_title：Journal of clinical microbiology

authors： Kulkarni MV,Zurita AN,Pyka JS,Murray TS,Hodsdon ME,Peaper DR

更新日期：2014-07-01 00:00:00

abstract：:We report a case of catheter-related bloodstream infection by Tsukamurella inchonensis, identified using 16S rRNA gene sequencing, in a patient with myelofibrosis who underwent a bone marrow transplant. Tsukamurella species infections are rare. To our knowledge, this is the first case of T. inchonensis bloodstream inf...

journal_title：Journal of clinical microbiology

authors： Takebe I,Sawabe E,Ohkusu K,Tojo N,Tohda S

更新日期：2014-06-01 00:00:00

abstract：:Clostridium difficile is a Gram-positive bacterium commonly found in health care and long-term-care facilities and is the most common cause of antibiotic-associated diarrhea. Rapid detection of this bacterium can assist physicians in implementing contact precautions and appropriate antibiotic therapy in a timely manne...

journal_title：Journal of clinical microbiology

authors： Beck ET,Buchan BW,Riebe KM,Alkins BR,Pancholi P,Granato PA,Ledeboer NA

更新日期：2014-06-01 00:00:00

abstract：:New Delhi metallo-β-lactamase (NDM)-producing bacteria are considered potential global health threats. It is necessary to monitor NDM-1 and its variants in clinical isolates in order to understand the NDM-1 epidemic and the impact of its variants on β-lactam resistance. To reduce the lengthy time needed for cloning an...

journal_title：Journal of clinical microbiology

authors： Huang L,Hu X,Zhou M,Yang Y,Qiao J,Wang D,Yu J,Cui Z,Zhang Z,Zhang XE,Wei H

更新日期：2014-06-01 00:00:00

abstract：:We systematically evaluated 5 methods for testing daptomycin versus 48 Enterococcus faecalis, 51 Enterococcus faecium, and 50 Staphylococcus aureus isolates using (i and ii) broth microdilution (BMD) with 50-mg/liter calcium medium supplementation (reference method) and 30-mg/liter calcium medium supplementation (BMD3...

journal_title：Journal of clinical microbiology

authors： Kirn TJ,Onyeaso E,Syed M,Weinstein MP

更新日期：2014-06-01 00:00:00

abstract：:A fully automated antifungal susceptibility test system recently updated to reflect the new species-specific clinical breakpoints (CBPs) of fluconazole for Candida (Vitek 2 AF03 yeast susceptibility test; bioMérieux, Inc., Durham, NC) was compared in three different laboratories with the Clinical and Laboratory Standa...

journal_title：Journal of clinical microbiology

authors： Pfaller MA,Diekema DJ,Procop GW,Wiederhold NP

更新日期：2014-06-01 00:00:00

abstract：:High-risk human papillomavirus (hrHPV) testing is now being introduced as a potential primary screening test for improved detection of cervical precancer and cancer. Current U.S. Food and Drug Administration-approved tests are batch tests that take several hours to complete. A rapid, non-batch test might permit point-...

journal_title：Journal of clinical microbiology

authors： Einstein MH,Smith KM,Davis TE,Schmeler KM,Ferris DG,Savage AH,Gray JE,Stoler MH,Wright TC Jr,Ferenczy A,Castle PE

更新日期：2014-06-01 00:00:00

abstract：:Molecular types of the Cryptococcus neoformans/Cryptococcus gattii species complex that infect dogs and cats differ regionally and with host species. Antifungal drug susceptibility can vary with molecular type, but the susceptibility of Cryptococcus isolates from dogs and cats is largely unknown. Cryptococcus isolates...

journal_title：Journal of clinical microbiology

authors： Singer LM,Meyer W,Firacative C,Thompson GR 3rd,Samitz E,Sykes JE

更新日期：2014-06-01 00:00:00

abstract：:Rapid and accurate tests are currently needed to identify individuals with high levels of Loa loa microfilaria (mf), so that these individuals may be excluded from mass ivermectin administration campaigns against onchocerciasis and lymphatic filariasis being conducted in areas where Onchocerca volvulus, Wuchereria ban...

journal_title：Journal of clinical microbiology

authors： Drame PM,Fink DL,Kamgno J,Herrick JA,Nutman TB

更新日期：2014-06-01 00:00:00

abstract：:A loop-mediated isothermal amplification (LAMP) assay for open reading frame 1 (ORF1) of the glutamine synthetase gene of Neisseria gonorrhoeae was able to tolerate urea concentrations of ≤ 1.8 M, compared with a PCR assay that was functional at concentrations of <100 mM. The LAMP assay was as sensitive as the PCR ass...

journal_title：Journal of clinical microbiology

authors： Edwards T,Burke PA,Smalley HB,Gillies L,Hobbs G

更新日期：2014-06-01 00:00:00

abstract：:Chronic hepatitis B virus (HBV) infection via perinatal transmission is common in the Asia-Pacific region, but related quasispecies (QS) characteristics are not yet defined. To investigate the homologous, full-length HBV QS after perinatal infection and their clinical implications, five pairs of mother-daughter patien...

journal_title：Journal of clinical microbiology

authors： Liu F,Yu DM,Huang SY,Yu JL,Zhang DH,Gong QM,Zhang XX

更新日期：2014-05-01 00:00:00

abstract：:Fast and accurate identification and typing of pathogens are essential for effective surveillance and outbreak detection. The current routine procedure is based on a variety of techniques, making the procedure laborious, time-consuming, and expensive. With whole-genome sequencing (WGS) becoming cheaper, it has huge po...

journal_title：Journal of clinical microbiology

authors： Joensen KG,Scheutz F,Lund O,Hasman H,Kaas RS,Nielsen EM,Aarestrup FM

更新日期：2014-05-01 00:00:00

abstract：:We report a case of septic arthritis of a native knee joint due to Corynebacterium striatum, a rare and unusual cause of septic arthritis of native joints. The isolate was identified by a combination of phenotypic, mass spectrometric, and nucleic acid-based assays and exhibited high-level resistance to most antimicrob...

journal_title：Journal of clinical microbiology

authors： Westblade LF,Shams F,Duong S,Tariq O,Bulbin A,Klirsfeld D,Zhen W,Sakaria S,Ford BA,Burnham CA,Ginocchio CC

更新日期：2014-05-01 00:00:00

abstract：:We studied whether the Etest can be used as an alternative to agar dilution to determine antimicrobial susceptibilities of ceftriaxone, cefixime, and cefpodoxime in Neisseria gonorrhoeae surveillance. One hundred fifteen clinical and laboratory isolates of N. gonorrhoeae were tested following the Clinical Laboratory I...

journal_title：Journal of clinical microbiology

authors： Liu H,Taylor TH Jr,Pettus K,Trees D

更新日期：2014-05-01 00:00:00

abstract：:Mycobacterium tilburgii is a nonculturable nontuberculous mycobacterium identifiable only by molecular methods. We report a case of disseminated M. tilburgii infection illustrating the importance of 16S rRNA gene sequencing to determine the responsible mycobacterial pathogen and the difficulties in tailoring antimycob...

journal_title：Journal of clinical microbiology

authors： Temmerman S,Vandekerckhove L,Sermijn E,Vogelaers D,Claeys G,Vaneechoutte M,Cools P,Callens S

更新日期：2014-05-01 00:00:00

abstract：:During 2012, we identified sampled dogs with elevated levels of antibodies (≥1:40) against A(H1N1)pdm09 virus by using a hemagglutination inhibition (HI) assay (seroprevalence, 24.7%) and a microneutralization (MN) assay (seroprevalence, 10.8%). These high seroprevalences of A(H1N1)pdm09 among dogs without clinical si...

journal_title：Journal of clinical microbiology

authors： Su S,Chen J,Jia K,Khan SU,He S,Fu X,Hong M,Sun L,Qi W,Gray GC,Li S

更新日期：2014-05-01 00:00:00

abstract：:The accuracy of Vitek MS mass spectrometric identifications was assessed for 206 clinically significant isolates of aerobic Gram-positive bacilli representing 20 genera and 38 species. The Vitek MS identifications were correct for 85% of the isolates (56.3% to the species level, 28.6% limited to the genus level), with...

journal_title：Journal of clinical microbiology

authors： Navas M,Pincus DH,Wilkey K,Sercia L,LaSalvia M,Wilson D,Procop GW,Richter SS

更新日期：2014-04-01 00:00:00

abstract：:Spontaneous chylothorax is rare in adults. We present an unusual case that was complicated by Prevotella bivia empyema. Full recovery was achieved with chest tube drainage and prompt treatment with intravenous clindamycin. ...

journal_title：Journal of clinical microbiology

authors： Di Marco Berardino A,Inchingolo R,Smargiassi A,Re A,Torelli R,Fiori B,d'Inzeo T,Corbo GM,Valente S,Sanguinetti M,Spanu T

更新日期：2014-04-01 00:00:00

abstract：:We describe here the use of an immunomagnetic separation enrichment process coupled with a modified real-time cellular analysis (RTCA) system (RTCA version 2) for the detection of C. difficile toxin (CDT) in stool. The limit of CDT detection by RTCA version 2 was 0.12 ng/ml. Among the consecutively collected 401 diarr...

journal_title：Journal of clinical microbiology

authors： Huang B,Jin D,Zhang J,Sun JY,Wang X,Stiles J,Xu X,Kamboj M,Babady NE,Tang YW

更新日期：2014-04-01 00:00:00

abstract：:It is unclear whether patients colonized with methicillin-resistant Staphylococcus aureus (MRSA) continue to harbor the same genotype during hospital readmissions. We characterized 140 MRSA strains isolated from 33 persistent MRSA carriers with hospital readmissions. Nearly half of the patients continued to harbor the...

journal_title：Journal of clinical microbiology

authors： Eghbaria S,Schnitser K,Danial-Farran N,Keness Y,Bisharat N

更新日期：2014-04-01 00:00:00

abstract：:We compared the BD MAX enteric bacterial panel (EBP) to culture for the detection of Salmonella, Shigella, Campylobacter, and Shiga toxin-producing enterohemorrhagic Escherichia coli (EHEC) O157 in seeded stool samples. The EBP panel demonstrated superior sensitivity and reliably detected Salmonella, EHEC O157, Shigel...

journal_title：Journal of clinical microbiology

authors： Anderson NW,Buchan BW,Ledeboer NA

更新日期：2014-04-01 00:00:00

abstract：:Hepatitis E virus (HEV) is a major cause of acute viral hepatitis in people in many developing countries and is also endemic in many industrialized countries. Mammalian HEV (mHEV) isolates can be divided into at least four recognized major genotypes. Several nucleic acid amplification techniques have been developed fo...

journal_title：Journal of clinical microbiology

authors： Gerber PF,Xiao CT,Cao D,Meng XJ,Opriessnig T

更新日期：2014-04-01 00:00:00

abstract：:Trichomonas vaginalis is the most prevalent nonviral sexually transmitted infection worldwide, and improved diagnostic methods are critical for controlling this pathogen. Diagnostic assays that can be used in conjunction with routine chlamydia/gonorrhea nucleic acid-based screening are likely to have the most impact o...

journal_title：Journal of clinical microbiology

authors： Van Der Pol B,Williams JA,Taylor SN,Cammarata CL,Rivers CA,Body BA,Nye M,Fuller D,Schwebke JR,Barnes M,Gaydos CA

更新日期：2014-03-01 00:00:00

abstract：:New blood culture media containing antibiotic-binding polymeric beads have been developed for the BacT/Alert (bioMérieux, Inc., Durham, NC) blood culture system. To assess the performance of these new media, we compared the new BacT/Alert aerobic medium (FA Plus) with resins to BacT/Alert FA medium with activated char...

journal_title：Journal of clinical microbiology

authors： Kirn TJ,Mirrett S,Reller LB,Weinstein MP

更新日期：2014-03-01 00:00:00

abstract：:Three commercial chromogenic agar media were evaluated for Streptococcus agalactiae screening in 200 vaginal swabs from pregnant women. The sensitivity and specificity were 94.3% and 100% for Granada medium (bioMérieux), 100% and 90.3% for Brilliance GBS medium (Thermo Fisher Scientific), and 100% and 98.8% for ChromI...

journal_title：Journal of clinical microbiology

authors： Verhoeven PO,Noyel P,Bonneau J,Carricajo A,Fonsale N,Ros A,Pozzetto B,Grattard F

更新日期：2014-03-01 00:00:00

abstract：:Coprological examination based on egg detection in stool samples is currently used as the gold standard for the diagnosis of human fascioliasis. However, this method is not effective during the acute phase of the disease and has poor sensitivity during the chronic phase. Serodiagnosis has become an excellent alternati...

journal_title：Journal of clinical microbiology

authors： Cabán-Hernández K,Gaudier JF,Ruiz-Jiménez C,Espino AM

更新日期：2014-03-01 00:00:00

abstract：:We evaluated the performance and the cost of toxigenic culture using a commercial chromogenic medium (CDIF) for 538 stool specimens. Compared with real-time PCR, this method was found to detect an additional 9% of positive specimens and result in 61% reduction in material costs, with a trade-off increase in turnaround...

journal_title：Journal of clinical microbiology

authors： Luk S,To WK,Ng TK,Hui WT,Lee WK,Lau F,Ching AM

更新日期：2014-02-01 00:00:00

abstract：:We describe the adoption of nucleic acid amplification tests (NAAT) for Clostridium difficile diagnosis and their impact on stool rejection policies and C. difficile positivity rates. Of the laboratories with complete surveys, 51 (43%) reported using NAAT in 2011. Laboratories using NAAT had stricter rejection policie...

journal_title：Journal of clinical microbiology

authors： Cohen J,Limbago B,Dumyati G,Holzbauer S,Johnston H,Perlmutter R,Dunn J,Nadle J,Lyons C,Phipps E,Beldavs Z,Clark LA,Lessa FC,CDC's Clostridium difficile Infection Surveillance Investigators.

更新日期：2014-02-01 00:00:00

abstract：:Sequence analysis of the internal transcribed spacer (ITS) region was employed as the gold standard method for yeast identification in the China Hospital Invasive Fungal Surveillance Net (CHIF-NET). It has subsequently been found that matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-...

journal_title：Journal of clinical microbiology

authors： Zhang L,Xiao M,Wang H,Gao R,Fan X,Brown M,Gray TJ,Kong F,Xu YC

更新日期：2014-02-01 00:00:00

abstract：:Early detection of Mycobacterium tuberculosis complex (MTBC) and markers conveying drug resistance can have a beneficial impact on preventive public health actions. We describe here a new molecular point-of-care (POC) system, the Genedrive, which is based on simple sample preparation combined with PCR to detect MTBC a...

journal_title：Journal of clinical microbiology

authors： Castan P,de Pablo A,Fernández-Romero N,Rubio JM,Cobb BD,Mingorance J,Toro C

更新日期：2014-02-01 00:00:00

abstract：:In order to determine whether mixed infections of human herpesvirus 6B (HHV-6B) occur in immunocompetent and immunocompromised individuals, we examined the copy numbers of telomeric repeat sequences (TRS) of clinical isolates. In clinical isolates obtained from patients with exanthem subitum caused by primary HHV-6B i...

journal_title：Journal of clinical microbiology

authors： Kato Y,Ihira M,Umeda M,Higashimoto Y,Kawamura Y,Ohashi M,Ishi J,Yoshikawa T

更新日期：2014-02-01 00:00:00

abstract：:Matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF MS) has recently been described as a fast and inexpensive method for the identification of mycobacteria. Although mycobacteria require extraction prior to MALDI-TOF MS analysis, previously published protocols have been relatively c...

journal_title：Journal of clinical microbiology

authors： Mather CA,Rivera SF,Butler-Wu SM

更新日期：2014-01-01 00:00:00

abstract：:Early and accurate diagnosis is essential for optimal therapeutic outcomes in patients infected with HIV. Currently, none of the commercially available fourth-generation assays differentiate HIV-1 and HIV-2 antibodies (Ab) or the HIV-1 p24 antigen (Ag). The aim of this study was to evaluate the performance of a novel ...

journal_title：Journal of clinical microbiology

authors： Salmona M,Delarue S,Delaugerre C,Simon F,Maylin S

更新日期：2014-01-01 00:00:00

abstract：:New variants of the influenza A(H1N1)pdm09 and A(H3N2) viruses were detected in Taiwan between 2012 and 2013. Some of these variants were not detected in clinical specimens using a common real-time reverse transcription-PCR (RT-PCR) assay that targeted the conserved regions of the viral matrix (M) genes. An analysis o...

journal_title：Journal of clinical microbiology

authors： Yang JR,Kuo CY,Huang HY,Wu FT,Huang YL,Cheng CY,Su YT,Chang FY,Wu HS,Liu MT

更新日期：2014-01-01 00:00:00

abstract：:We report disseminated adenovirus (ADV) infection in four adult cancer patients presenting with focal pulmonary consolidation. In all cases, ADV was recovered from respiratory specimens and ADV viremia (>1 × 10(5) copies/ml) was determined by a quantitative PCR assay. Despite antiviral therapy, 3 (75%) patients died. ...

journal_title：Journal of clinical microbiology

authors： Lee YJ,Palomino-Guilen P,Babady NE,Lamson DM,St George K,Tang YW,Papanicolaou GA

更新日期：2014-01-01 00:00:00

abstract：:Mycobacterium abscessus, which consists of the two subspecies M. abscessus subspecies abscessus and M. abscessus subspecies bolletii, can produce rough or smooth colony morphologies. Here we analyzed 50 M. abscessus isolates cultured from the respiratory specimens of 34 patients, 28 (82%) of whom had cystic fibrosis (...

journal_title：Journal of clinical microbiology

authors： Rüger K,Hampel A,Billig S,Rücker N,Suerbaum S,Bange FC

更新日期：2014-01-01 00:00:00

abstract：:Tuberculous meningitis (TBM) is the most severe form of tuberculosis. Microbiological confirmation is rare, and treatment is often delayed, increasing mortality and morbidity. The GeneXpert MTB/RIF test was evaluated in a large cohort of patients with suspected tuberculous meningitis. Three hundred seventy-nine patien...

journal_title：Journal of clinical microbiology

authors： Nhu NT,Heemskerk D,Thu do DA,Chau TT,Mai NT,Nghia HD,Loc PP,Ha DT,Merson L,Thinh TT,Day J,Chau Nv,Wolbers M,Farrar J,Caws M

更新日期：2014-01-01 00:00:00