The third quorum-sensing system of Pseudomonas aeruginosa: Pseudomonas quinolone signal and the enigmatic PqsE protein.

abstract：:Tests with 140 strains representing Escherichia coli, Klebsiella aerogenes, K. ozaenae, Proteus mirabilis, P. vulgaris, P. rettgeri and P. morganii in a defined medium supplemented with 0-09M dimethylamine (DMA) and 0-1M potassium nitrate showed that at least 89% of the 136 strains able to reduce nitrates produced up ...

journal_title：Journal of medical microbiology

authors： Coloe PJ,Hayward NJ

更新日期：1976-05-01 00:00:00

abstract：:The surface structures of the cell envelopes of 16 clinical isolates of Pseudomonas aeruginosa were examined by electronmicroscopy with the new fixation technique of freeze-substitution. Two types of structures were observed among the organisms. In one group of strains, mostly isolated from blood, a dense fibrous laye...

journal_title：Journal of medical microbiology

authors： Misumi H,Umeda A,Eguchi K,Okada K,Sawae Y,Niho Y,Amako K

更新日期：1994-04-01 00:00:00

abstract：:Bifidobacteria are dominant in the gut of full-term infants, although colonisation by them is often delayed in preterm neonates. Bifidobacteria are recognised to have beneficial effects on digestive disorders and they might prevent neonatal necrotising enterocolitis (NEC), a gastrointestinal disease that predominantly...

journal_title：Journal of medical microbiology

authors： Catala I,Butel MJ,Bensaada M,Popot F,Tessedre AC,Rimbault A,Szylit O

更新日期：1999-01-01 00:00:00

abstract：:Cholera toxin (CT) is the major virulence factor produced by Vibrio cholerae. Several genomic arrangements within the CTX cassette have been elucidated in V. cholerae. Previously, it was shown that three different CTX cassette arrangements, one complete CTX cassette (arrangement A), one complete and two incomplete CTX...

journal_title：Journal of medical microbiology

authors： Amin Marashi SM,Bakhshi B,Imani Fooladi AA,Tavakoli A,Sharifnia A,Pourshafie MR

更新日期：2012-08-01 00:00:00

abstract：:The cystic fibrosis (CF) airways are colonized by polymicrobial communities with high bacterial load and are influenced by frequent antibiotic exposures. This community includes diverse streptococci, some of which have been directly or indirectly associated with pulmonary exacerbations. As many streptococci are natura...

journal_title：Journal of medical microbiology

authors： Thornton CS,Grinwis ME,Sibley CD,Parkins MD,Rabin HR,Surette MG

更新日期：2015-11-01 00:00:00

abstract：:Listeria monocytogenes cells are ingested by protozoa such as Acanthamoeba sp. or Tetrahymena pyriformis. However, they are not killed, but survive within the protozoa and may multiply intracellularly. The protozoa are lysed within about 8 days, releasing viable L. monocytogenes. No co-existence was observed between L...

journal_title：Journal of medical microbiology

authors： Ly TM,Müller HE

更新日期：1990-09-01 00:00:00

abstract：:Clostridium perfringens has been reported as the cause of up to 15% of cases of antibiotic-associated diarrhoea (AAD) and may be diagnosed by detection of enterotoxin (CPEnt) in faeces. The performance of a commercial ELISA method for CPEnt, with culture and PCR methods to confirm the presence of enterotoxigenic C. pe...

journal_title：Journal of medical microbiology

authors： Asha NJ,Wilcox MH

更新日期：2002-10-01 00:00:00

abstract：:In order to develop a model for the study of gastric spiral bacteria, and based on the observation that Wistar rats do not carry urease-positive spiral bacteria in their gastric mucosa, mucus from a pig naturally colonised by 'Gastrospirillum suis' (an organism with I6S rDNA 99.5% similar to that of 'G. hominis' type ...

journal_title：Journal of medical microbiology

authors： Mendes EN,Queiroz DM,Coimbra RS,Moura SB,Barbosa AJ,Rocha GA

更新日期：1996-02-01 00:00:00

abstract：:The gingival sulcus is the shallow crevice around the tooth, and its epithelium is a gateway for initial bacterial infection in periodontal disease. Recent studies have shown that Actinobacillus actinomycetemcomitans invades an epithelial cell line, KB cells, in vitro. The aim of the present study was to clarify the c...

journal_title：Journal of medical microbiology

authors： Kato S,Nakashima K,Inoue M,Tomioka J,Nonaka K,Nishihara T,Kowashi Y

更新日期：2000-08-01 00:00:00

abstract：:A rabbit was immunised with a heat-killed vaccine prepared from strain 1142 of Staphylococcus epidermidis. The HA titres of the antisera against a surface-polysaccharide antigen extracted from the homologous strain were highest in the 2nd-4th weeks after immunisation and subsequently declined. Only a minor amount of 2...

journal_title：Journal of medical microbiology

authors： Yoshida K,Ichiman Y

更新日期：1978-11-01 00:00:00

abstract：:The therapeutic alternatives available for use against ciprofloxacin-resistant enteric fever isolates in an endemic area are limited. The antibiotics currently available are the quinolones, third-generation cephalosporins and conventional first-line drugs. In this study, the MICs of various newer drugs were determined...

journal_title：Journal of medical microbiology

authors： Capoor MR,Rawat D,Nair D,Hasan AS,Deb M,Aggarwal P,Pillai P

更新日期：2007-11-01 00:00:00

abstract：:Gardnerella vaginalis is an important component of the human vaginal microflora. It is proposed to play a key role in the pathogenesis of bacterial vaginosis (BV), the most common vaginal condition. Here we describe the development, validation and comparative analysis of a novel molecular approach capable of G. vagina...

journal_title：Journal of medical microbiology

authors： Balashov SV,Mordechai E,Adelson ME,Gygax SE

更新日期：2014-02-01 00:00:00

abstract：:A novel direct detection system has been developed for eight staphylococcal enterotoxin (SE)-encoding genes (sea, seb, sec, sed, see, seg, seh and sei) in milk. Specific detection by real-time PCR was successful for all SE-encoding genes in the reference strains. Furthermore, a novel DNA-preparation method with good r...

journal_title：Journal of medical microbiology

authors： Nakayama A,Okayama A,Hashida M,Yamamoto Y,Takebe H,Ohnaka T,Tanaka T,Imai S

更新日期：2006-03-01 00:00:00

abstract：:Acinetobacter baumannii is an emerging multidrug-resistant pathogen and very little information is available regarding its imipenem resistance in Latin American countries such as Bolivia. This study investigated the antimicrobial resistance profile of 46 clinical strains from different hospitals in Cochabamba, Bolivia...

journal_title：Journal of medical microbiology

authors： Sevillano E,Fernández E,Bustamante Z,Zabalaga S,Rosales I,Umaran A,Gallego L

更新日期：2012-01-01 00:00:00

abstract：:Resistance against vaginal colonisation by Mycoplasma pulmonis in strain TO mice after exposure to the mycoplasma was investigated. Eighteen mice from which M. pulmonis had been eliminated from the vagina, either naturally or by antibiotic therapy, were resistant to vaginal recolonisation. Specific antibody was measur...

journal_title：Journal of medical microbiology

authors： Taylor-Robinson D,Furr PM

更新日期：1994-03-01 00:00:00

abstract：:The closely related Clostridium novyi and Clostridium botulinum types C and D are of current interest because of their association with serious infections in injecting drug users (C. novyi type A) and equine and feline dysautonomias (C. botulinum types C/D). The species are defined by the major toxins they produce: th...

journal_title：Journal of medical microbiology

authors： Heffron A,Poxton IR

更新日期：2007-02-01 00:00:00

abstract：:The susceptibility of a strain of Giardia lamblia to benzimidazole carbamates, 5-nitroimidazoles, nitrofurans and other drugs was studied in vitro. Albendazole was the most active compound, with a 50% inhibitory concentration (IC50) of 0.01 mg/L and a minimal lethal concentration (MLC) of less than 0.04 mg/L; the IC50...

journal_title：Journal of medical microbiology

authors： Cedillo-Rivera R,Muñoz O

更新日期：1992-09-01 00:00:00

abstract：:Rapid diagnosis of multidrug-resistant tuberculosis (MDR-TB) is essential for the prompt initiation of effective second-line therapy to improve treatment outcome and limit transmission of this obstinate disease. A variety of molecular methods that enable the rapid detection of mutations implicated in MDR-TB have been ...

journal_title：Journal of medical microbiology

authors： Bang H,Park S,Hwang J,Jin H,Cho E,Kim DY,Song T,Shamputa IC,Via LE,Barry CE,Cho SN,Lee H

更新日期：2011-10-01 00:00:00

abstract：:This study investigated the molecular mechanisms of carbapenem resistance in clinical isolates of Klebsiella pneumoniae from Korea and the clinical outcomes of resistant K. pneumoniae infection. Sixteen K. pneumoniae isolates showing resistance to carbapenems collected from a tertiary-care hospital were examined for t...

journal_title：Journal of medical microbiology

authors： Shin SY,Bae IK,Kim J,Jeong SH,Yong D,Kim JM,Lee K

更新日期：2012-02-01 00:00:00

abstract：:A case of Salmonella typhimurium pericarditis is reported. The diagnosis was based on blood and pericardial effusion cultures. ...

journal_title：Journal of medical microbiology

authors： Can F,Demirbilek M,Erdem B,Ciftci U,Tunaoglu M,Laleli Y

更新日期：2004-10-01 00:00:00

abstract：PURPOSE:This paper aims to evaluate the antimicrobial resistance of Esherichia coli isolates from children under 5 years old, with and without diarrhoea, who were hospital outpatients in Culiacan, Sinaloa, Mexico. It also looks at the antimicrobial activity of fruit extracts against selected multidrug-resistant (MDR) E...

journal_title：Journal of medical microbiology

authors： Uribe-Beltrán MJ,Ahumada-Santos YP,Díaz-Camacho SP,Eslava-Campos CA,Reyes-Valenzuela JE,Báez-Flores ME,Osuna-Ramírez I,Delgado-Vargas F

更新日期：2017-07-01 00:00:00

abstract：:This study was designed to investigate the molecular epidemiology and antibiotic-resistance characteristics of 11 carbapenem-resistant clinical isolates of Acinetobacter baumannii obtained in Norway between 2004 and 2009. Interestingly, all the isolates were linked with recent hospitalization outside Norway. The epide...

journal_title：Journal of medical microbiology

authors： Karah N,Haldorsen B,Hermansen NO,Tveten Y,Ragnhildstveit E,Skutlaberg DH,Tofteland S,Sundsfjord A,Samuelsen Ø

更新日期：2011-04-01 00:00:00

abstract：:The aim of the present study was to investigate the colonization status of Clostridium difficile in healthy individuals. In total, 139 healthy adults from two study groups were examined at intervals of 3 months. Among the 18 positive subjects, the number of subjects from whom C. difficile was isolated once, twice, thr...

journal_title：Journal of medical microbiology

authors： Ozaki E,Kato H,Kita H,Karasawa T,Maegawa T,Koino Y,Matsumoto K,Takada T,Nomoto K,Tanaka R,Nakamura S

更新日期：2004-02-01 00:00:00

abstract：:Invasive infections caused by Brevundimonas vesicularis are very rare in humans. We experienced an unusual case of liver abscess due to B. vesicularis in an immunocompetent young male. The patient was successfully treated by liver abscess drainage and with antimicrobial therapy of ceftriaxone followed by ampicillin/su...

journal_title：Journal of medical microbiology

authors： Yoo SH,Kim MJ,Roh KH,Kim SH,Park DW,Sohn JW,Yoon YK

更新日期：2012-10-01 00:00:00

abstract：INTRODUCTION:The last few years have seen the emergence of multi-drug resistant (MDR) Gram-negative infections, which are associated with high morbidity and mortality. The indiscriminate use of colistin has led to the development of resistance, which can be diagnosed effectively by broth microdilution. Studies from Ind...

journal_title：Journal of medical microbiology

authors： Kaza P,Mahindroo J,Veeraraghavan B,Mavuduru RS,Mohan B,Taneja N

更新日期：2019-06-01 00:00:00

abstract：:Methicillin-resistant Staphylococcus aureus (MRSA) is recognised as an important cause of nosocomial infection. The spread of some MRSA epidemic clones is well documented. In Brazil, and more recently in Portugal, a considerable number of hospital infections has been caused by a unique multiresistant MRSA clone design...

journal_title：Journal of medical microbiology

authors： Coimbra MVDS,Teixeira LA,Ramos RLB,Predari SC,Castello L,Famiglietti A,Vay C,Klan L,Figueiredo AMS

更新日期：2000-02-01 00:00:00

abstract：:Antibiotic resistance in Staphylococcus aureus is a major public health concern, and methicillin-resistant S. aureus has emerged as an important pathogen. We characterized S. aureus isolates from monomicrobial and polymicrobial wound infections from 200 diabetic individuals with foot ulcers to understand their underly...

journal_title：Journal of medical microbiology

authors： Shettigar K,Jain S,Bhat DV,Acharya R,Ramachandra L,Satyamoorthy K,Murali TS

更新日期：2016-12-01 00:00:00

abstract：:Members of the Streptococcus anginosus group (SAG) are frequently involved in pyogenic infections in humans. In the present study, the antimicrobial susceptibility of 141 clinical SAG isolates to six antimicrobial agents was analysed by agar dilution. All isolates were susceptible to penicillin, cefotaxime and vancomy...

journal_title：Journal of medical microbiology

authors： Asmah N,Eberspächer B,Regnath T,Arvand M

更新日期：2009-02-01 00:00:00

abstract：:Chlamydia trachomatis is one of the most common sexually transmitted pathogens in the world and often causes chronic inflammatory diseases that are insensitive to antibiotics. The type 3 secretion system (T3SS) of pathogenic bacteria is a promising target for therapeutic intervention aimed at bacterial virulence and c...

journal_title：Journal of medical microbiology

authors： Zigangirova NA,Kost EA,Didenko LV,Kapotina LN,Zayakin ES,Luyksaar SI,Morgunova EY,Fedina ED,Artyukhova OA,Samorodov AV,Kobets NV

更新日期：2016-01-01 00:00:00

abstract：:Enteroaggregative Escherichia coli (EAEC) is an important agent of diarrhoeal diseases worldwide. The role of EAEC virulence factors in the clinical outcome of infection is not completely defined. This case-control study investigated the prevalence of EAEC, its virulence genes and the antimicrobial resistance profile ...

journal_title：Journal of medical microbiology

authors： Bafandeh S,Haghi F,Zeighami H

更新日期：2015-05-01 00:00:00