Diversity of the mechanisms of resistance to beta-lactam antibiotics.

abstract：:The kinetics of colicin N binding to the Escherichia coli surface, comprising the recognition of and association with cell-surface-exposed sites of OmpF porin, is a rapid event taking place during the first seconds of incubation. Immunogold labelling demonstrates the membrane localization of the colicin N bound to sen...

journal_title：Research in microbiology

authors： el Kouhen R,Bernadac A,Pagès JM

更新日期：1998-10-01 00:00:00

abstract：:Pseudomonas mendocina carrying a novel class 1 integron containing an IMP-8 gene was isolated from an inanimate surface in a female ward sanitary facility of the Hospital Infante D. Pedro, Aveiro, Portugal. Hybridization with the integrase gene (intI1) and 16S rDNA revealed that the integron is chromosomally located. ...

journal_title：Research in microbiology

authors： Santos C,Caetano T,Ferreira S,Mendo S

更新日期：2010-05-01 00:00:00

abstract：:A gene encoding a sixth chitin synthase (Umchs6, sequence GenBank accession No. ) from the plant pathogenic hemibasidiomycete Ustilago maydis (DC.) Cda. was isolated and characterized. The predicted protein is 1103 amino acids in length with a calculated molecular mass of 123.5 kDa. a2b2 null mutants were obtained by ...

journal_title：Research in microbiology

authors： Garcerá-Teruel A,Xoconostle-Cázares B,Rosas-Quijano R,Ortiz L,León-Ramírez C,Specht CA,Sentandreu R,Ruiz-Herrera J

更新日期：2004-03-01 00:00:00

abstract：:Monoclonal antibody II-6-18 recognizes a serogroup-1-specific Legionella pneumophila antigenic determinant which has been shown to be virulence-associated. We previously reported the physicochemical characterization by means of a quantitative fluorometric assay of monoclonal antibody II-6-18 binding to L. pneumophila,...

journal_title：Research in microbiology

authors： Petitjean F,Dournon E,Strosberg AD,Hoebeke J

更新日期：1990-11-01 00:00:00

abstract：:Sequence analysis of the 16S ribosomal RNA gene was used to study bacterial diversity of a pristine forest soil and of two cultures of the same soil enriched with cellulolytic bacteria. Our analysis revealed high bacterial diversity in the native soil sample, evidencing at least 10 phyla, in which Actinobacteria, Prot...

journal_title：Research in microbiology

authors： Talia P,Sede SM,Campos E,Rorig M,Principi D,Tosto D,Hopp HE,Grasso D,Cataldi A

更新日期：2012-04-01 00:00:00

abstract：:The role of protein-tyrosine kinases in bacterial polymyxin resistance was assessed by both genetic and biochemical approaches. Each of the two genes, wzc and etk, encoding protein-tyrosine kinases in Escherichia coli, was knocked out by using the PCR-based method of one-step inactivation of chromosomal genes, and the...

journal_title：Research in microbiology

authors： Lacour S,Doublet P,Obadia B,Cozzone AJ,Grangeasse C

更新日期：2006-09-01 00:00:00

abstract：:Energy-coupling factor (ECF) transporters mediate the uptake of micronutrients in prokaryotes. They consist of two ATP-binding-cassette family ATPases, a transmembrane coupling protein (T component) and a substrate-binding membrane protein (S component). ECF transporters for Co2+ and Ni2+ ions have one or two addition...

journal_title：Research in microbiology

authors： Finkenwirth F,Eitinger T

更新日期：2019-01-01 00:00:00

abstract：:Benzene is biodegraded in the absence of oxygen under a variety of terminal electron-accepting conditions. However, the mechanism by which anaerobic benzene degradation occurs is unclear. Phenol and benzoate have been consistently detected as intermediates of anaerobic benzene degradation, suggesting that the hydroxyl...

journal_title：Research in microbiology

authors： Coates JD,Chakraborty R,McInerney MJ

更新日期：2002-12-01 00:00:00

abstract：:The interest of probiotics as remedies for a broad number of gastrointestinal and other infectious diseases has gained wide interest over the last few years, but little is known about their underlying mechanism of action. In this study, the probiotic activities of a human isolate of Lactobacillus casei subsp. rhamnosu...

journal_title：Research in microbiology

authors： Forestier C,De Champs C,Vatoux C,Joly B

更新日期：2001-03-01 00:00:00

abstract：:A hydrogen-producing bacterial strain was newly isolated from a hot spring and identified as Klebsiella oxytoca HP1 by 16S rRNA gene sequence analysis and detection by BioMerieux Vitek. Important parameters, including substrates, starting pH of culture, temperature and oxygen concentration for batch ferment hydrogen p...

journal_title：Research in microbiology

authors： Minnan L,Jinli H,Xiaobin W,Huijuan X,Jinzao C,Chuannan L,Fengzhang Z,Liangshu X

更新日期：2005-01-01 00:00:00

abstract：:Sequences of the lacSZ operon of 29 Streptococcus thermophilus strains from different dairy products were determined. Differences in sequence among the strains were detected within LacS more often than in the LacZ gene. The sequences were aligned and compared and it was possible to gather the strains into three groups...

journal_title：Research in microbiology

authors： Ercolini D,Fusco V,Blaiotta G,Coppola S

更新日期：2005-03-01 00:00:00

abstract：:An unusual structural component of plasmid pUC18 was observed in transformants of Escherichia coli strains. This molecule migrated faster than superhelical topoisomers in agarose gel electrophoresis and was difficult to stain with ethidium bromide. This unusual topology appeared independently of gyrase mutation, and t...

journal_title：Research in microbiology

authors： Kato M,Furuno A

更新日期：1992-09-01 00:00:00

abstract：:Eight strains of acidophilic bacteria, isolated from mine-impacted and geothermal sites from different parts of the world, were shown to form a distinct clade (proposed genus "Acidibacillus") within the phylum Firmicutes, well separated from the acidophilic genera Sulfobacillus and Alicyclobacillus. Two of the strains...

journal_title：Research in microbiology

authors： Holanda R,Hedrich S,Ňancucheo I,Oliveira G,Grail BM,Johnson DB

更新日期：2016-09-01 00:00:00

abstract：:Six thermophilic extremophiles, Anoxybacillus amylolyticus, Geobacillus thermoleovorans, Geobacillus thermoleovorans subspecies stromboliensis, Geobacillus toebii subspecies decanicus, Bacillus thermantarcticus and Thermus oshimai, isolated from different environmental sites, were studied for their heavy metal resista...

journal_title：Research in microbiology

authors： Poli A,Salerno A,Laezza G,di Donato P,Dumontet S,Nicolaus B

更新日期：2009-03-01 00:00:00

abstract：:Bacteria of the Bacillus cereus group are environmental Gram-positive spore-forming bacteria ubiquitously distributed. Despite the high degree of genetic similarity among the different strains, they show strong phenotypic variability, from mammal or entomopathogen strains to soil-dwelling saprophytes, and from psychro...

journal_title：Research in microbiology

authors： Patiño-Navarrete R,Sanchis V

更新日期：2017-05-01 00:00:00

abstract：:Thirty mosquitocidal strains of Bacillus sphaericus isolated from different sources and localities in Brazil were characterized phenotypically and genetically to determine their relationship. Among the strains tested, 93.3% were shown to be resistant to lincomycin, 96.6% to novobiocin, 60% to chloramphenicol and all s...

journal_title：Research in microbiology

authors： da Silva KR,Rabinovitch L,Seldin L

更新日期：1999-03-01 00:00:00

abstract：:Haemophilus parainfluenzae and Haemophilus influenzae, upper respiratory tract microbiota representatives, are able to colonize natural and artificial surfaces as biofilm. The aim of the present study was to assay the effect of ten 1,2,4-triazole-ciprofloxacin hybrids on planktonic or biofilm-forming haemophili cells ...

journal_title：Research in microbiology

authors： Kosikowska U,Andrzejczuk S,Plech T,Malm A

更新日期：2016-10-01 00:00:00

abstract：:By employing flow cytometry, the DNA content and cell size of individual bacterial cells may be determined rapidly and with high precision. Also, the number of DNA replication origins in Escherichia coli cells can be measured after treating the cells with rifampicin together with the cell division inhibitor cephalexin...

journal_title：Research in microbiology

authors： Boye E,Løbner-Olesen A

更新日期：1991-02-01 00:00:00

abstract：:A new type of nitrogen-fixing, oxalate-oxidizing Azospirillum sp. was isolated from the roots of Oxalis pes-caprae. Polyphasic taxonomy was performed, including auxanography using API galleries, physiological tests and 16S rRNA sequence comparison. Optimum growth occurred at 30 degrees C, pH 7.5. Growth was observed a...

journal_title：Research in microbiology

authors： Sahin N

更新日期：2005-04-01 00:00:00

abstract：:Ecologists have documented the process of plant succession for centuries, yet the successional patterns exhibited by microbial communities have received relatively little attention. We examine recent work on microbial succession and show how, despite some key differences, studies of plant succession can serve as a tem...

journal_title：Research in microbiology

authors： Fierer N,Nemergut D,Knight R,Craine JM

更新日期：2010-10-01 00:00:00

abstract：:Adhesion to the intestinal mucosa is considered to be one of the main selection criteria of lactic acid bacteria for probiotic use. Adhesive probiotics are, for example, considered to provide better antagonism against pathogenic bacteria when compared to non-adhesive strains. Here a new model is described for studying...

journal_title：Research in microbiology

authors： Vesterlund S,Paltta J,Karp M,Ouwehand AC

更新日期：2005-03-01 00:00:00

abstract：:Integrative and conjugative elements (ICEs) are self-transmissible mobile genetic elements that are increasingly recognized to contribute to lateral gene flow in prokaryotes. ICEs, like most temperate bacteriophages integrate into the genome and like conjugative plasmids disseminate by conjugative transfer to new host...

journal_title：Research in microbiology

authors： Burrus V,Waldor MK

更新日期：2004-06-01 00:00:00

abstract：:There are several occasions when enumeration of Escherichia coli cells is needed. These include examination of urine specimens and water or food samples. Present methods rely on growth in more or less selective media (colony-forming units on agar or the most probable number method using liquid media). Unfortunately, n...

journal_title：Research in microbiology

authors： Regnault B,Martin-Delautre S,Lejay-Collin M,Lefèvre M,Grimont PA

更新日期：2000-09-01 00:00:00

abstract：:Production of aerobactin has been reported to be a virulence factor in members of the family Enterobacteriaceae. To investigate the protection afforded by humoral immunity directed towards aerobactin in infectious diseases caused by aerobactin-producing strains, we tested the efficacy of mAbAERO1, a murine monoclonal ...

journal_title：Research in microbiology

authors： Le Roy D,Crouzier C,Dho-Moulin M,Dumont AS,Bouchet A,Lafont JP,Andremont A

更新日期：1995-02-01 00:00:00

abstract：:The possibility of using kaolinite-immobilized plasmodium fragments of Physarella oblonga (Berk. & Curt.) Morgan to maintain their metabolic activity was examined. The immobilization process was carried out with 1 mg of plasmodium of P. oblonga entrapped in 10 g of kaolinite. Sodium acetate (1 mM) was used as a metabo...

journal_title：Research in microbiology

authors： Ribeiro SM,Cavalcanti LH,Pereira EC,Silva NH

更新日期：2003-01-01 00:00:00

abstract：:Scedosporium apiospermum, a recently isolated phenol-degrading hyphomycete, was shown to be able to productively utilise the diaryl ester phenylbenzoate as its sole source of carbon and energy. The characterisation of degradation intermediates together with the detection of the corresponding catabolic enzymes in crude...

journal_title：Research in microbiology

authors： Claussen M,Schmidt S

更新日期：1999-07-01 00:00:00

abstract：:The results of a multiple locus variable number of tandem repeat (VNTR) analysis (MLVA)-based study designed to understand the genetic diversity of soil and manure-borne Pseudomonas aeruginosa isolates, and the relationship between these isolates and a set of clinical and environmental isolates, are hereby reported. F...

journal_title：Research in microbiology

authors： Youenou B,Brothier E,Nazaret S

更新日期：2014-01-01 00:00:00

abstract：:This paper presents the effects of the composition of different media (i.e., Tryptic soy broth (TSB), Brain heart infusion (BHI), Listeria enrichment broth (LEB), Fraser broth (FB) and University of Vermont medium (UVM)) on the detection of a short peptide fragment PepD specific to the p60 protein (p60) of L. monocyto...

journal_title：Research in microbiology

authors： Etty MC,D'Auria S,Fraschini C,Salmieri S,Lacroix M

更新日期：2019-01-01 00:00:00

abstract：:(51)V NMR spectroscopy was used for detection and identification of cell-associated vanadate (V(5+)) species after exposure of Phycomyces blakesleeanus mycelium, in exponential phase of growth, to sodium orthovanadate. Complete disappearance of monomer and dimer signals and decreased intensity of the tetramer signal w...

journal_title：Research in microbiology

authors： Žižić M,Miladinović Z,Stanić M,Hadžibrahimović M,Živić M,Zakrzewska J

更新日期：2016-07-01 00:00:00

abstract：:The adsorption complex of filamentous phage fd consists of two minor coat proteins, g3p and g6p, and is considered to be not only a structural entity, but also a functional unit to terminate phage assembly. Cells were infected with phage M13am8H1, which cannot assemble because it lacks the major coat protein g8p, alth...

journal_title：Research in microbiology

authors： Gailus V,Ramsperger U,Johner C,Kramer H,Rasched I

更新日期：1994-11-01 00:00:00