luxS in bacteria isolated from 25- to 40-million-year-old amber.

abstract：:This study reports the development and characterization of 151 sequence characterized amplified region (SCAR) markers for the seven Eimeria species that infect the domestic fowl. From this set, 84 markers are species-specific and 67 present partial specificity. The complete nucleotide sequence was derived for all mark...

journal_title：FEMS microbiology letters

authors： Fernandez S,Katsuyama AM,Kashiwabara AY,Madeira AM,Durham AM,Gruber A

更新日期：2004-09-01 00:00:00

abstract：:Pythium drechsleri Paul was described as a new species from soil samples taken in a salt-marsh of Arzew, Algeria [Paul, B. (1988) Une nouvelle espèce de Pythium isolée d'une saline de l'ouest Algérien. Cryptogam. Mycol. 9, 325-333]. The name of the fungus, P. drechsleri, is a nomen invalidum, as it is a later homonym ...

journal_title：FEMS microbiology letters

authors： Paul B

更新日期：2000-02-01 00:00:00

abstract：:The majority of microorganisms in natural environments are difficult to cultivate, but their genes can be studied via metagenome libraries. To enhance the chances that these genes become expressed we here report the construction of a broad-host-range plasmid vector (pRS44) for fosmid and bacterial artificial chromosom...

journal_title：FEMS microbiology letters

authors： Aakvik T,Degnes KF,Dahlsrud R,Schmidt F,Dam R,Yu L,Völker U,Ellingsen TE,Valla S

更新日期：2009-06-01 00:00:00

abstract：:Mycobacterium avium ssp. paratuberculosis (M. paratuberculosis), the causative agent of Johne's disease, is an important animal pathogen that has also been implicated in human disease. The major proteins expressed by M. paratuberculosis were analyzed by two-dimensional gel electrophoresis, and a superoxide dismutase (...

journal_title：FEMS microbiology letters

authors： Liu X,Feng Z,Harris NB,Cirillo JD,Bercovier H,Barletta RG

更新日期：2001-08-21 00:00:00

abstract：:Biogenic amines have undesirable physiological effects when absorbed at too high a concentration. Several kinds of food and beverages contain biogenic amines. Lactic acid bacteria can decarboxylate amino acids. Since winemaking involves the growth of lactic acid bacteria for malolactic fermentation, biogenic amines ma...

journal_title：FEMS microbiology letters

authors： Lonvaud-Funel A

更新日期：2001-05-15 00:00:00

abstract：:The Tat machinery catalyzes the transport of folded proteins across the cytoplasmic membrane in bacteria and the thylakoid membrane in plants. Transport occurs only in the presence of an electric field (Δψ) and/or a pH (ΔpH) gradient, and thus, Tat transport is considered to be dependent on the proton motive force (pm...

journal_title：FEMS microbiology letters

authors： Hamsanathan S,Musser SM

更新日期：2018-06-01 00:00:00

abstract：:The applicability of different PCR-based techniques, random amplified polymorphic DNA, cleaved amplified polymorphic sequence and SSRs (simple sequence repeats) to genetically identify, typify and discriminate among Saccharomyces cerevisiae strains, was investigated. The analysis and comparison of the genetic profiles...

journal_title：FEMS microbiology letters

authors： Pérez MA,Gallego FJ,Hidalgo P

更新日期：2001-12-18 00:00:00

abstract：:Two-component systems are widespread in nature and constitute the most common mechanism of transmembrane signal transduction in bacteria. Recently, a functionally active two-component system consisting of malS and malR genes possibly involved in the expression of a C4-dicarboxylate transporter system (dctAB operon) wa...

journal_title：FEMS microbiology letters

authors： Papa R,Rippa V,Duilio A

更新日期：2009-06-01 00:00:00

abstract：:The locus of enterocyte effacement pathogenicity island confers the attaching and effacing histopathology on epithelial cells infected with enteropathogenic and enterohemorrhagic Escherichia coli. We investigated the site of insertion of the locus of enterocyte effacement in E. coli strains in relation to their evolut...

journal_title：FEMS microbiology letters

authors： Wieler LH,McDaniel TK,Whittam TS,Kaper JB

更新日期：1997-11-01 00:00:00

abstract：:To study the pathogenicity of mouse cytomegalovirus (MCMV) and to identify virulence determinants, we have isolated and phenotypically characterised 25 temperature-sensitive (ts) mutants. Six of these (tsm9, tsm13, tsm20, tsm22, tsm28 and tsm30) failed to replicate in mice and were avirulent. Five mutants (tsm14, tsm1...

journal_title：FEMS microbiology letters

authors： Akel HM,Sweet C

更新日期：1993-11-01 00:00:00

abstract：:We have studied the single rRNA gene cluster from the Archaeon, Pyrococcus furiosus. This isolate grows optimally at 100 degrees C and is thus a hyperthermophile. In P. furiosus, transcription of 16S rRNA is subject to regulation over a 7.5-fold range in response to a 20-fold increase in growth rate. The single cluste...

journal_title：FEMS microbiology letters

authors： DiRuggiero J,Achenbach LA,Brown SH,Kelly RM,Robb FT

更新日期：1993-08-01 00:00:00

abstract：:Among a few potential archezoan groups, only the Metamonada (diplomonads, retortamonads, and oxymonads) still retain the status of amitochondriate protists that diverged before the acquisition or retention of mitochondria. Indeed, finding that diplomonad genomes harbor a gene encoding a mitochondrial type chaperonin 6...

journal_title：FEMS microbiology letters

authors： Emelyanov VV

更新日期：2003-09-26 00:00:00

abstract：:Using a specialized ribosome system, previous studies have identified G791 in Escherichia coli 16S rRNA as an invariant and essential residue for ribosome function. To investigate the functional role of G791, we searched for multicopy suppressors that partially restored the protein synthesis ability of mutant ribosome...

journal_title：FEMS microbiology letters

authors： Song WS,Ryou SM,Kim HM,Jeon CO,Kim JM,Han SH,Kim SW,Szatkiewicz JP,Cunningham PR,Lee K

更新日期：2010-12-01 00:00:00

abstract：:The gene (open reading frame (ORF) Tm1469, glk) encoding ATP-dependent ROK (repressors, ORFs, sugar kinases) glucokinase (ATP-GLK, EC 2.7.1.2) of the hyperthermophilic bacterium Thermotoga maritima was cloned and functionally expressed in Escherichia coli. The purified recombinant enzyme is a homodimer with an apparen...

journal_title：FEMS microbiology letters

authors： Hansen T,Schönheit P

更新日期：2003-09-26 00:00:00

abstract：:The DnaK chaperone system is involved in various cellular processes such as the control of the folded and oligomeric state of proteins under stress and non-stress conditions. In this study we functionally characterised the homologues of the DnaK system from Clostridium acetobutylicum DnaK, DnaJ, GrpE and OrfA were het...

journal_title：FEMS microbiology letters

authors： Rüngeling E,Laufen T,Bahl H

更新日期：1999-01-01 00:00:00

abstract：:Bacillus sp. strain CS93, which was previously isolated from Pozol, was previously shown to produce iturin A, bacilysin and chlorotetaine. To investigate the biosynthetic mechanism of chlorotetaine production, the bac genes were amplified from genomic DNA of Bacillus sp. CS93 by PCR and sequenced. The genes bacABCDE w...

journal_title：FEMS microbiology letters

authors： Moran S,Robertson K,Paradisi F,Rai DK,Murphy CD

更新日期：2010-03-01 00:00:00

abstract：:Mathematical modeling is an important tool in biological research, allowing for the synthesis of results from many studies into an understanding of a system. Despite this, the need for extensive subject matter knowledge and complex mathematics often leaves modeling as an esoteric subspecialty. A 2-fold approach can be...

journal_title：FEMS microbiology letters

authors： Lofgren ET

更新日期：2016-10-01 00:00:00

abstract：:Bordetella pertussis is the causative agent of whooping cough. Traditional vaccines against this disease are inherently reactogenic, thus research is currently focussed on the production of less reactive, acellular vaccines. Expression of candidate antigens for these vaccines in Escherichia coli would be preferable, h...

journal_title：FEMS microbiology letters

authors： Smith AM,Yan H,Groves N,Dalla Pozza T,Walker MJ

更新日期：2000-10-15 00:00:00

abstract：:A continuous culture technique utilising a variant of Staphylococcus aureus 8325-4 containing transcriptional gene fusions was used to investigate the relationships between cell density (OD(600)), steady-state specific growth rate (mu) and expression of both agr (accessory gene regulator) and tst (toxic shock syndrome...

journal_title：FEMS microbiology letters

authors： Wright JD,Holland KT

更新日期：2003-01-28 00:00:00

abstract：:A purification scheme was devised for a 69-kDa outer membrane protein of Bordetella pertussis, a virulence-associated protein which may play a role in the pathogenesis of the organism. The protein was purified to apparent homogeneity by heating B. pertussis cells for 1 h at 60 degrees C followed by DEAE-Sepharose and ...

journal_title：FEMS microbiology letters

authors： Gould-Kostka JL,Burns DL,Brennan MJ,Manclark CR

更新日期：1990-02-01 00:00:00

abstract：:Chromosome analysis by pulsed-field gel electrophoresis shows a high level of genetic heterogeneity between the two subspecies of the green sulfur bacteria Chlorobium limicola analysed: C. limicola and C. limicola f. s. thiosulfatophilum. Currently, they are differentiated only by the ability to utilize thiosulfate as...

journal_title：FEMS microbiology letters

authors： Méndez-Alvarez S,Pavoń V,Esteve I,Guerrero R,Gaju N

更新日期：1995-12-15 00:00:00

abstract：:The multiallelic mating type locus B alpha 1 of Schizophyllum commune encodes a pheromone receptor and putative pheromone genes. A comparison of two alleles encoding receptors that share the same specificity B alpha 1 was performed using strains of different geographic origin. The amino acid sequence alignment reveale...

journal_title：FEMS microbiology letters

authors： Wendland J,Kothe E

更新日期：1996-12-15 00:00:00

abstract：:A bacterial isolate, tentatively identified as Pseudomonas sp. strain TR3, was found to utilize the diaryl ester phenylbenzoate as sole source of carbon and energy. This strain has the ability to productively degrade phenylbenzoate and some substituted derivatives by a catabolic sequence which was characterized bioche...

journal_title：FEMS microbiology letters

authors： Reich T,Schmidt S,Fortnagel P

更新日期：1999-07-15 00:00:00

abstract：:The Mycobacterium tuberculosis murG gene, Rv2153, was expressed in Escherichia coli murG(Ts) strain OV58 on a plasmid under the control of the arabinose-inducible araBAD promoter. Mycobacterium tuberculosis murG rescued the growth of E. coli murG(Ts) at the nonpermissive temperature: transformants were only obtained i...

journal_title：FEMS microbiology letters

authors： Jha RK,Katagihallimath N,Hota SK,Das KS,de Sousa SM

更新日期：2012-01-01 00:00:00

abstract：:To identify antigens that would improve the accuracy of serological diagnosis of active tuberculosis, we cloned the genes encoding nine potentially immunogenic secreted or surface-associated proteins of Mycobacterium tuberculosis. Recombinant proteins were reacted with sera from HIV-negative individuals with extrapulm...

journal_title：FEMS microbiology letters

authors： Moran AJ,Treit JD,Whitney JL,Abomoelak B,Houghton R,Skeiky YA,Sampaio DP,Badaró R,Nano FE

更新日期：2001-04-20 00:00:00

abstract：:Chromobacterium violaceum is a Gram-negative opportunistic human pathogen and an inhabitant of tropical soils and waterways. Although known primarily for the synthesis of the pigment violacein, and more recently as a reporter strain for quorum sensing, clinical reports of chromobacteriosis comprise the largest block o...

journal_title：FEMS microbiology letters

authors： Brumbach KC,Eason BD,Anderson LK

更新日期：2007-02-01 00:00:00

abstract：:Synthesis of nitrate reductase in the unicellular cyanobacterium Synechococcus sp. strain PCC 7942 took place at a slow rate when the cells were incubated without a supply of inorganic carbon, but addition to these cells of CO(2)/bicarbonate or, in a Synechococcus strain transformed with a gene encoding a 2-oxoglutara...

journal_title：FEMS microbiology letters

authors： Vázquez-Bermúdez MF,Herrero A,Flores E

更新日期：2003-04-25 00:00:00

abstract：:Mycobacterium leprae, an obligate intracellular pathogen, shows a unique tropism for Schwann cells (SC). This leads to the peripheral neuropathy disorder observed in leprosy. In this study, we investigated signal transduction events and the intracellular fate of M. leprae during the interaction of the microorganism wi...

journal_title：FEMS microbiology letters

authors： Alves L,de Mendonça Lima L,da Silva Maeda E,Carvalho L,Holy J,Sarno EN,Pessolani MC,Barker LP

更新日期：2004-09-15 00:00:00

abstract：:The growth of Mycobacterium microti was inhibited within J774A.1 macrophage cells activated with either interferon-gamma or tumor necrosis factor-alpha. Activation with interferon-gamma or tumor necrosis factor-alpha alone did not stimulate the production of nitrite in J774A.1 cells. Interferon-gamma but not tumor nec...

journal_title：FEMS microbiology letters

authors： Gupta R,Dogra N,Raje M,Majumder S

更新日期：1996-07-01 00:00:00

abstract：:Two thermophilic bacteria, which are capable of growing on starch at 60-70 degrees C under anaerobic conditions, were isolated from a sugar refinery in Uelzen and from Solar lake in Israel. On the basis of their physiological characteristics they were identified as Clostridium thermohydrosulfuricum Uel 1 and C. thermo...

journal_title：FEMS microbiology letters

authors： Klingeberg M,Hippe H,Antranikian G

更新日期：1990-05-01 00:00:00