Halogenation of aromatic compounds: thermodynamic, mechanistic and ecological aspects.

abstract：:Homologs of the Escherichia coli oxyR gene were identified in several Erwinia species, using a combination of PCR and Southern hybridization analysis. The oxyR gene from Erwinia carotovora was isolated on a cosmid clone and characterized. The gene and deduced gene product shared high level sequence identity with their...

journal_title：FEMS microbiology letters

authors： Calcutt MJ,Lewis MS,Eisenstark A

更新日期：1998-10-15 00:00:00

abstract：:Individual isolates of Escherichia coli synthesize one of more than 70 chemically distinct polysaccharides which form the capsule. In this article we review the genetics of capsule production in E. coli and highlight what this is beginning to reveal in terms of the genetic basis of the structural diversity of polysacc...

journal_title：FEMS microbiology letters

authors： Boulnois G,Drake R,Pearce R,Roberts I

更新日期：1992-12-15 00:00:00

abstract：:In order to find reasons for the absence of fire blight in most countries of the Southern hemisphere, bark samples from apple and pear trees in orchards of the Western Cape region in South Africa were extracted for bacteria which could be antagonistic to Erwinia amylovora. Screening was done in the late growth season ...

journal_title：FEMS microbiology letters

authors： Jock S,Völksch B,Mansvelt L,Geider K

更新日期：2002-06-04 00:00:00

abstract：:Bacteria are in constant conflict with competing bacterial and eukaryotic cells. To cope with the various challenges, bacteria developed distinct strategies, such as toxins that inhibit the growth or kill rivals of the same ecological niche. In recent years, two toxin systems have been discovered - the type VI secreti...

journal_title：FEMS microbiology letters

authors： Braun V,Patzer SI

更新日期：2013-08-01 00:00:00

abstract：:Growth of Prevotella ruminicola strains B(1)4 (subsp. brevis) and D31d (subsp. ruminicola), was inhibited by protamine, a polycationic, low molecular mass protein. Results showed that protamine has a bacteriocidal effect when present in concentrations exceeding 30 micrograms ml-1. Protamine exerted its toxic effects b...

journal_title：FEMS microbiology letters

authors： Madeira HM,Morrison M

更新日期：1997-05-01 00:00:00

abstract：:A molecular cloning strategy has been designed to isolate the gene that encodes the small cytoplasmic RNA (scRNA) component of bacterial signal recognition particles. Using this strategy a putative Listeria monocytogenes scRNA lambda gt11 recombinant clone was isolated. A previously described complementation assay dev...

journal_title：FEMS microbiology letters

authors： Barry T,Kelly M,Glynn B,Peden J

更新日期：1999-04-01 00:00:00

abstract：:Himalaya hosts a unique environment for microbial ecology. The present study aimed to explore the bioplastic producing bacterial communities along altitude gradient of Pangi-Chamba trans-Himalayan region. A total of 411 bacteria were isolated and 70 characterized at the molecular level for potential polyhydroxyalkanoa...

journal_title：FEMS microbiology letters

authors： Kumar V,Thakur V,Ambika,Kumar S,Singh D

更新日期：2018-07-01 00:00:00

abstract：:Divergicin 750, a bacteriocin produced by Carnobacterium divergens 750, preferentially inhibited the growth of strains of Carnobacterium and Enterococcus. Selected strains of Listeria monocytogenes and Clostridium perfringens were also inhibited. The bacteriocin was purified to homogeneity by ammonium sulfate precipit...

journal_title：FEMS microbiology letters

authors： Holck A,Axelsson L,Schillinger U

更新日期：1996-02-15 00:00:00

abstract：:Chagas disease, caused by Trypanosoma cruzi, affects six to seven million people worldwide. Treatment is based on benznidazole, producing several side effects and debatable efficacy, highlighting the need for new alternative drugs. We investigated the activity of four C-4 functionalized azlactone derivatives (EPA-27, ...

journal_title：FEMS microbiology letters

authors： de Azeredo CM,Ávila EP,Pinheiro DL,Amarante GW,Soares MJ

更新日期：2017-02-01 00:00:00

abstract：:Endophytic fungi colonize plants without causing symptoms of disease and can enhance the resistance of their host to pathogens. We cultivated 53 fungal strains from wild lima bean (Phaseolus lunatus) and investigated their effects on pathogens using in vitro assays and experiments in planta. Most strains were annotate...

journal_title：FEMS microbiology letters

authors： Adame-Álvarez RM,Mendiola-Soto J,Heil M

更新日期：2014-06-01 00:00:00

abstract：:Pseudomonas sp. TLC6-6.5-4 is a multiple metal resistant plant growth-promoting bacteria isolated from copper-contaminated lake sediments. In this study, a comprehensive analysis of genes involved in copper resistance was performed by generating a library of transposon (Tn5) mutants. Two copper-sensitive mutants with ...

journal_title：FEMS microbiology letters

authors： Li K,Pidatala RR,Ramakrishna W

更新日期：2012-10-01 00:00:00

abstract：:The porin-associated protein of Rhodospirillum rubrum FR1 was found to contain a peptidoglycan binding motif. A partial fragment of 179 amino acids, obtained by cleavage of PAP with trypsin, Asp-N protease, and CNBr, was sequenced. Substantial sequence homology was found of the C-terminal part (residues 126-179) of po...

journal_title：FEMS microbiology letters

authors： Neumann U,Schiltz E,Stahl B,Hillenkamp F,Weckesser J

更新日期：1996-04-15 00:00:00

abstract：:The aim of this study was to understand the pathogenesis of motile aeromonas septicemia caused by an emergent, high virulent Aeromonas hydrophila (vAh) in channel catfish, Ictalurus punctatus Adipose fin clipped catfish were challenged with vAh using a waterborne challenge method, and the distribution of vAh over a ti...

journal_title：FEMS microbiology letters

authors： Zhang D,Moreira GS,Shoemaker C,Newton JC,Xu DH

更新日期：2016-05-01 00:00:00

abstract：:The pFL10 plasmid vector for translational fusions was constructed. pFL10 is based in the promiscuous pLS1 replicon and contains the pC194 cat gene deprived of its transcriptional promoter and Shine-Dalgarno (SD) sequence. Three promoters (Pcit, PpolA and PtetL) from Gram-positive bacteria, inserted in pFL10, were tes...

journal_title：FEMS microbiology letters

authors： López de Felipe F,Corrales MA,López P

更新日期：1994-10-01 00:00:00

abstract：:TraJ is an activator of the transfer (tra) operon in the F plasmid that counteracts H-NS silencing at the main transfer promoter (P(Y)). TraJ contains 226 aa (26 670 kDa), not 229 aa as reported previously, and forms homodimers. TraJ binds DNA containing P(Y)in vivo as demonstrated using a chromatin-immunoprecipitatio...

journal_title：FEMS microbiology letters

authors： Rodriguez-Maillard JM,Arutyunov D,Frost LS

更新日期：2010-09-01 00:00:00

abstract：:The effects of daptomycin on exponential phase cells of Bacillus megaterium were investigated. Bacteriostasis was observed for concentrations between 1 and 3 micrograms/ml and maximal rate of cell lysis at 10 micrograms/ml. At sublytic concentrations (1.5-3 micrograms/ml), the variations of the pools of UDP-N-acetylgl...

journal_title：FEMS microbiology letters

authors： Mengin-Lecreulx D,Allen NE,Hobbs JN,van Heijenoort J

更新日期：1990-06-01 00:00:00

abstract：:The diversity of temperate bacteriophages was examined in 32 Mannheimia haemolytica, six Mannheimia glucosida and four Pasteurella trehalosi isolates. Phage particles were induced and identified by electron microscopy in 24 (75%) M. haemolytica isolates, but in only one (17%) M. glucosida and one (25%) P. trehalosi is...

journal_title：FEMS microbiology letters

authors： Davies RL,Lee I

更新日期：2006-07-01 00:00:00

abstract：:Total dsRNA extractions in five killer K2 strains of Saccharomyces cerevisiae isolated from spontaneous fermentations revealed the presence of a novel dsRNA fragment (which we named NS dsRNA) of approximately 1.30 kb, together with L and M2 dsRNAs. NS dsRNA appeared to be encapsidated in the same kind of viral particl...

journal_title：FEMS microbiology letters

authors： Cansado J,Barros Velázquez J,Sieiro C,Gacto M,Villa TG

更新日期：1999-12-15 00:00:00

abstract：:The random amplified polymorphic DNA (RAPD) technique was used to develop DNA probes for the identification of ectomycorrhizal fungi belonging to the genus Tuber. RAPD fingerprinting revealed a high degree of interspecific variability and a low degree of intraspecific variability. One band (approximately 1.5 kb), cons...

journal_title：FEMS microbiology letters

authors： Lanfranco L,Wyss P,Marzachí C,Bonfante P

更新日期：1993-12-15 00:00:00

abstract：:The structure and distribution of a Mycobacterium bovis BCG insertion element of the IS21 family were investigated. Several IS21-like elements found in mycobacterial genomes were separated in four types, following their nucleic acid similarities. The M. bovis BCG IS21 element is highly similar to IS1533 (class I), 70%...

journal_title：FEMS microbiology letters

authors： Lefèvre P,Braibant M,Content J,Gilot P

更新日期：1999-09-15 00:00:00

abstract：:The increase in Antimicrobial resistance (AMR) microorganisms has been exacerbated by exposure to antimicrobial drugs (e.g. antibiotics). A solution to AMR may require academic researchers to not only contribute to the drug discovery pipeline through laboratory research, but also to engage and inform non-specialist au...

journal_title：FEMS microbiology letters

authors： Redfern J,Bowater L,Crossley M,Verran J

更新日期：2018-08-01 00:00:00

abstract：:The replication region of plasmid pRA2 from Pseudomonas alcaligenes NCIB 9867 (strain P25X) was localized within a 5.9-kbp DNA fragment and its sequence was determined. An interesting feature of the sequence is the presence of a 1.3-kbp region containing seven, highly conserved, direct repeats of 72 bp in length. The ...

journal_title：FEMS microbiology letters

authors： Kwong SM,Yeo CC,Chuah D,Poh CL

更新日期：1998-01-15 00:00:00

abstract：:Using electron microscopy, pili with at least two distinct morphologies were observed on strains of Pasteurella multocida isolated from pigs with atrophic rhinitis. Rigid pili were found on 60-80% of all cells observed. These pili had a strong tendency to lie flat along the side of the outer cell membrane of P. multoc...

journal_title：FEMS microbiology letters

authors： Isaacson RE,Trigo E

更新日期：1995-10-15 00:00:00

abstract：:Brucella usually carry two highly homologous genes (omp2a and omp2b) for porin-like proteins. In several B. abortus biovars the omp2a gene has a large deletion compared to other Brucella omp2's. In this study we have measured Omp2 pore activity in planar bilayers. Omp2b exhibits well-defined trimeric channel activity ...

journal_title：FEMS microbiology letters

authors： Mobasheri H,Ficht TA,Marquis H,Lea EJ,Lakey JH

更新日期：1997-10-01 00:00:00

abstract：:The rhl quorum sensing (QS) circuit of Pseudomonas aeruginosa is known to regulate the expression of a number of virulence factors. This study investigates the regulation of rhlI, encoding the auto-inducer synthase RhlI responsible for the synthesis of N-butryl-L-homoserine lactone (BHL). A putative RpoN binding site ...

journal_title：FEMS microbiology letters

authors： Thompson LS,Webb JS,Rice SA,Kjelleberg S

更新日期：2003-03-28 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：:The discovery of nitrite-dependent anaerobic methane oxidation (n-damo) mediated by 'Candidatus Methylomirabilis oxyfera' with nitrite and methane as substrates has connected biogeochemical carbon and nitrogen cycles in a new way. The paddy fields often carry substantial methane and nitrate, thus may be a favorable ha...

journal_title：FEMS microbiology letters

authors： Zhou L,Wang Y,Long XE,Guo J,Zhu G

更新日期：2014-11-01 00:00:00

abstract：:Five mutations in ccpA of Bacillus megaterium with impaired functions were analysed for carbon catabolite repression. The phenotypes support the hypothesis that CcpA assumes a PurR/LacI fold. The completely inactive mutants CcpA119GE and CcpA326am cause alterations which are incompatible with that fold. A mutation wit...

journal_title：FEMS microbiology letters

authors： Kraus A,Hillen W

更新日期：1997-08-01 00:00:00

abstract：:Halobacillus trueperi accumulates glycine betaine under condition of high osmolarity. A fragment of the glycine betaine transporter betH gene was obtained from the genome of H. trueperi with degenerate primers. Through Southern blot hybridization and inverse PCR, a 5.1 kb EcoRI fragment containing the complete betH ge...

journal_title：FEMS microbiology letters

authors： Lu W,Zhao B,Feng D,Yang S

更新日期：2004-06-15 00:00:00

abstract：:A DNA-based method for the early detection and identification of decay basidiomycetes on wood chips is described. From 26 species of wood-decaying basidiomycetes and 20 species of wood-inhabiting ascomycetes, DNA fragments containing the internal transcribed spacers, 5.8S and partial 28S rDNA were amplified by PCR usi...

journal_title：FEMS microbiology letters

authors： Adair S,Kim SH,Breuil C

更新日期：2002-05-21 00:00:00