Subinhibitory fluoroquinolone exposure selects for reduced beta-lactam susceptibility in methicillin-resistant Staphylococcus aureus and alterations in the SOS-mediated response.

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：:Viruses play important roles in aquatic ecosystems, but deep-sea bacteriophages remain largely unexplored. A temperate bacteriophage (termed vB_PstS-1) was identified from the psychrotolerant gammaproteobacterium Pseudomonas stutzeri 1-1-1b, which was isolated from hadopelagic water (depth of 7000 m) of the Japan Tren...

journal_title：Research in microbiology

authors： Yoshida M,Yoshida-Takashima Y,Nunoura T,Takai K

更新日期：2015-11-01 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：:The structure of DspF, a type III secretion system (T3SS) chaperone required for virulence of the fruit tree pathogen Erwinia amylovora, was modeled based on predicted structural homology to characterized T3SS chaperones. This model guided the selection of 11 amino acid residues that were individually mutated to alani...

journal_title：Research in microbiology

authors： Triplett LR,Wedemeyer WJ,Sundin GW

更新日期：2010-09-01 00:00:00

abstract：:Total genomic DNA isolated by concentrating seawater and mercury-resistant bacteria were hybridized with a mer probe to detect the presence of homologous DNA sequences in marine coastal waters of the Bay of Bengal, India. Coastal water extracts induced with mercury hybridized with the mer operon of transposon Tn501. M...

journal_title：Research in microbiology

authors： Prabu SK,Mahadevan A

更新日期：1992-03-01 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：:This communication describes the cloning of a 1.8-kb fragment from the genome of the corynephage phi AAU2, which aborts the phage lytic cycle when cloned on a high-copy shuttle vector. The associated phenotype, called Apld (aborting phage lytic development), was revealed by noting the reduced plaque size and lower eff...

journal_title：Research in microbiology

authors： Le Marrec C,Moreau S,Leret V,Schäffer A,Blanco C,Trautwetter A

更新日期：1998-03-01 00:00:00

abstract：:While the scientific contributions of François Jacob were outstanding, I also consider that his conception of science, and of its place among other forms of knowledge, is also highly original, and important for the future of science in our societies. His contributions to the history and philosophy of science were neit...

journal_title：Research in microbiology

authors： Morange M

更新日期：2014-06-01 00:00:00

abstract：:The diversity and temporal dynamics of bacterial communities in pristine snow around two Russian Antarctic stations was investigated. Taxonomic analysis of rDNA libraries revealed that snow communities were dominated by bacteria from a small number of operational taxonomic units (OTUs) that underwent dramatic swings i...

journal_title：Research in microbiology

authors： Lopatina A,Krylenkov V,Severinov K

更新日期：2013-11-01 00:00:00

abstract：:Formation of organized colony morphology is clearly a result of organized, coordinated behavior of cells within a colony, which reflects changes in the cell environment, nutrient availability, inter- and intracolony signaling and others. Under standard conditions, colony morphology is specific to the particular yeast ...

journal_title：Research in microbiology

authors： Vopálenská I,Hůlková M,Janderová B,Palková Z

更新日期：2005-11-01 00:00:00

abstract：:Chinoike Jigoku ("Blood Pond Hell") is located in the hot spring town of Beppu on the southern island of Kyushu in Japan, and is the site of a red-colored acidic geothermal pond. This study aimed to investigate the microbial population composition in this extremely acidic environment and to isolate/characterize acidop...

journal_title：Research in microbiology

authors： Masaki Y,Tsutsumi K,Hirano S,Okibe N

更新日期：2016-09-01 00:00:00

abstract：:To understand antibiotic resistance in Gram-negative bacteria, a key point is to investigate antibiotic accumulation, which is defined by influx and efflux. Several methods exist to evaluate membrane permeability and efflux pump activity, but they present disadvantages and limitations. An optimized spectrofluorimetric...

journal_title：Research in microbiology

authors： Masi M,Dumont E,Vergalli J,Pajovic J,Réfrégiers M,Pagès JM

更新日期：2018-01-01 00:00:00

abstract：:A collection of 57 strains of hyperthermophilic Archaea from the order Thermococcales was screened for the presence of plasmids; 9 plasmids present in six of these strains were isolated and characterized in terms of size and cross-hybridization. The Notl macrorestriction patterns of genomic DNA of strains harbouring t...

journal_title：Research in microbiology

authors： Benbouzid-Rollet N,López-García P,Watrin L,Erauso G,Prieur D,Forterre P

更新日期：1997-12-01 00:00:00

abstract：:Cell-free extracts of various strains belonging to Mycobacterium paratuberculosis (Ptb) and "wood-pigeon" (WP) mycobacteria were compared by polyacrylamide gel electrophoresis and the various protein bands obtained were tested for peroxidase enzyme activity. One strain of Mycobacterium avium served as a control. Bacte...

journal_title：Research in microbiology

authors： Thorel MF,Blom-Potar MC,Rastogi N

更新日期：1990-06-01 00:00:00

abstract：:Several studies indicate Actinobacillus (Haemophilus) actinomycetemcomitans and Fusobacterium nucleatum as etiologic agents of periodontal disease. Immunosuppressive factors produced by microorganisms probably contribute to the initiation and evolution of this disease. This study evaluated the antiproliferative activi...

journal_title：Research in microbiology

authors： do Vale CH,de Oliveira Fraga LA,Costa AS,Tavares CA,Martins-Filho OA,de Macedo Farias L,Roque de Carvalho MA

更新日期：2004-11-01 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：:The development of nascent cell division sites was studied in Escherichia coli strains containing ftsAts and ftsZts mutations in which septal development is arrested after shift to the restrictive temperature. Division sites were studied by measuring positions of plasmolysis bays, a visible marker for periseptal annul...

journal_title：Research in microbiology

authors： Cook WR,Rothfield LI

更新日期：1991-02-01 00:00:00

abstract：:A strain of Bacteroides fragilis, isolated from the marmoset Callithrix penicillata, produced protein(s) with bacteriocin activity (fragicilin). Two active fractions (36 and 150 kDa) were isolated by chromatography. The bacteriocin exhibited iso- and heteroantagonism. It remained stable between pH 3 and 10 and at 60 d...

journal_title：Research in microbiology

authors： Farias LM,Totola AH,Miranda CM,Carvalho MA,Damasceno CA,Tavares CA,Cisalpino EO,Vieira EC

更新日期：1994-01-01 00:00:00

abstract：:This brief note reports the nucleotide sequences of the second nifH region of Methanobacterium ivanovii and of the two nifH regions of Methanosarcina barkeri 227. In the three cases, nifH is followed by two ORF (open reading frames) similar to ORF105 and ORF128 respectively, which were previously found downstream of M...

journal_title：Research in microbiology

authors： Sibold L,Henriquet M,Possot O,Aubert JP

更新日期：1991-01-01 00:00:00

abstract：:Amplified fragment length polymorphism (AFLP), a novel method for molecular typing, was evaluated for its ability to differentiate among a group of highly related Chlamydia psittaci strains isolated from ruminants and belonging to serotype 1. A total set of 12 strains were included in this study, 10 strains inducing a...

journal_title：Research in microbiology

authors： Boumedine KS,Rodolakis A

更新日期：1998-11-01 00:00:00

abstract：:The endo-N-acetyl-beta-D-glucosaminidases (ENGase) acting on the N-N'-diacetylchitobiosyl core of N-glycosylproteins are essential reagents for the investigation of the structure and the functions of glycoproteins. These enzymes were largely studied with the aim of offering more tools with new and broader substrate sp...

journal_title：Research in microbiology

authors： Karamanos Y,Bourgerie S,Barreaud JP,Julien R

更新日期：1995-07-01 00:00:00

abstract：:Vegetative incompatibility limits heterokaryon formation in fungi. It results from genetic differences at specific loci (het loci). Characterization of het genes and, more recently, of incompatibility reaction suppressors has, provided insight into the mechanisms involved. A link between development, vegetative incomp...

journal_title：Research in microbiology

authors： Loubradou G,Turcq B

更新日期：2000-05-01 00:00:00

abstract：:At the beginning of the 20th century, it was discovered at the Pasteur Institute in Tunis that epidemic typhus is transmitted by the human body louse. The complete genome sequence of its causative agent, Rickettsia prowazekii, was determined at Uppsala University in Sweden at the end of the century. In this mini-revie...

journal_title：Research in microbiology

authors： Andersson JO,Andersson SG

更新日期：2000-03-01 00:00:00

abstract：:A method which enables selection of protein mutants impaired in their ability to interact with their normal protein partners is presented here. The method is the two-phage two-hybrid assay adapted for mutant selection. In the two-phage assay, the interaction between two proteins enables the formation of a functional h...

journal_title：Research in microbiology

authors： Barbati S,Grenga L,Luzi G,Paolozzi L,Ghelardini P

更新日期：2010-03-01 00:00:00

abstract：:Although great strides have been made in the development of recombinant attenuated Vibrio cholerae vaccine strains, the task has not been as simple as once imagined. The initial vaccine candidates proved to be unexpectedly reactogenic but further derivatives, such as CVD103-HgR, are well-tolerated, immunogenic and pro...

journal_title：Research in microbiology

authors： Kaper JB,Levine MM

更新日期：1990-09-01 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 naturally transformable bacterium Haemophilus influenzae Rd contains 1471 copies of the DNA uptake signal sequence (USS) 5'-AAGTGCGGT in its genome. Neisseria meningitidis contains 1891 copies of the USS sequence 5'-GCCGTCTGAA. The USSs are often found in the base paired stem of transcription terminators. ...

journal_title：Research in microbiology

authors： Smith HO,Gwinn ML,Salzberg SL

更新日期：1999-11-01 00:00:00

abstract：:Klebsiella pneumoniae is one of the major Gram-negative bacterial pathogens causing hospital-acquired multidrug-resistant infections, and the antimicrobial treatment options are scarce. The lack of available antimicrobials has prompted the development of alternative strategies for the treatment of these infections. In...

journal_title：Research in microbiology

authors： Wang C,Li P,Niu W,Yuan X,Liu H,Huang Y,An X,Fan H,Zhangxiang L,Mi L,Zheng J,Liu Y,Tong Y,Mi Z,Bai C

更新日期：2019-01-01 00:00:00

abstract：:The work described here continues our studies of the effects of subinhibitory concentrations of antibiotics on SOS and DNA repair gene expression in Staphylococcus aureus. Mitomycin C and the new-generation fluoroquinolone moxifloxacin induced expression of SOS response genes (lexA, recA, sosA, and umuC) in a ciproflo...

journal_title：Research in microbiology

authors： Mesak LR,Davies J

更新日期：2009-12-01 00:00:00

abstract：:The rRNA gene restriction patterns of 89 Vibrio cholerae O1 isolates from different geographic origins were studied. The probe was Escherichia coli 16 + 23S rRNA labelled with "ECL Gene detection system". A total of 17 rRNA gene restriction patterns were observed after BglI cleavage. Four patterns (B1 to B4) were only...

journal_title：Research in microbiology

authors： Koblavi S,Grimont F,Grimont PA

更新日期：1990-07-01 00:00:00