Tools for discovery of inhibitors of the 1-deoxy-D-xylulose 5-phosphate (DXP) synthase and DXP reductoisomerase: an approach with enzymes from the pathogenic bacterium Pseudomonas aeruginosa.

abstract：:The ecology of aerobic microorganisms is never explored in marine oxygen minimum zone (OMZ) sediments. Here we reveal aerobic bacterial communities along ∼3 m sediment-horizons of the eastern Arabian Sea OMZ. Sulfide-containing sediment-cores retrieved from 530 mbsl (meters beneath the sea-level) and 580 mbsl were exp...

journal_title：FEMS microbiology letters

authors： Bhattacharya S,Roy C,Mandal S,Sarkar J,Rameez MJ,Mondal N,Mapder T,Chatterjee S,Pyne P,Alam M,Haldar PK,Roy R,Fernandes S,Peketi A,Chakraborty R,Mazumdar A,Ghosh W

更新日期：2020-10-16 00:00:00

abstract：:The bovine enteric calici-like virus, Newbury agent 1 (NA1) was characterised to determine if it is a member of the Caliciviridae and to establish its antigenic relationship to the established bovine enteric calicivirus Newbury agent 2 (NA2). Solid phase immune electron microscopy (SPIEM) allowed quantification of NA1...

journal_title：FEMS microbiology letters

authors： Dastjerdi AM,Snodgrass DR,Bridger JC

更新日期：2000-11-01 00:00:00

abstract：:Bacillus subtilis cells must have cytochromes for growth and can synthesize cytochromes of a-, b-, c-, d-, and o-types. After a long lag, our knowledge of the structure, genetics and specific role for these cytochromes is now growing exponentially as the result of recent research. This progress is reviewed here and in...

journal_title：FEMS microbiology letters

authors： von Wachenfeldt C,Hederstedt L

更新日期：1992-12-15 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：:Lipoic acid is an essential cofactor for a variety of mitochondrial enzymes. We have characterised a gene from Saccharomyces cerevisiae which appears to encode a protein involved in the attachment of lipoic acid groups to the pyruvate dehydrogenase and glycine decarboxylase complexes. The predicted protein product of ...

journal_title：FEMS microbiology letters

authors： Marvin ME,Williams PH,Cashmore AM

更新日期：2001-05-15 00:00:00

abstract：:Linkage of rumen microbial structure to host phenotypical traits may enhance the understanding of host-microbial interactions in livestock species. This study used culture-independent PCR-denaturing gradient gel electrophoresis (PCR-DGGE) to investigate the microbial profiles in the rumen of cattle differing in feed e...

journal_title：FEMS microbiology letters

authors： Guan LL,Nkrumah JD,Basarab JA,Moore SS

更新日期：2008-11-01 00:00:00

abstract：:The time course production of xylanolytic enzymes by the rumen anaerobic fungus Neocallimastix frontalis was studied during growth on different carbon sources and revealed using isoelectric focusing and immunoblotting. A constant low level of endoxylanase expression was observed in glucose medium. A high level of xyla...

journal_title：FEMS microbiology letters

authors： Gomez de Segura B,Durand R,Fèvre M

更新日期：1998-07-01 00:00:00

abstract：:Staphylococcus simulans biovar staphylolyticus secreted two bacteriolytic peptidoglycan hydrolases as proproteins that were activated as they were processed by an extracellular sulphydryl protease. This processing resulted in the production of multiple molecular-mass forms of each enzyme. Cells from early exponential ...

journal_title：FEMS microbiology letters

authors： Neumann VC,Heath HE,LeBlanc PA,Sloan GL

更新日期：1993-06-15 00:00:00

abstract：:To analyze regulation of the vanadium-dependent nitrogenase of Azotobacter vinelandii, plasmids carrying vnfE-, vnfH-, or vnfD-lacZ fusions were transferred to Escherichia coli. These genes were expressed only if VnfA was present. Deletions of the vnfE upstream region were constructed and comparison of a region necess...

journal_title：FEMS microbiology letters

authors： Woodley P,Buck M,Kennedy C

更新日期：1996-01-15 00:00:00

abstract：:The effect of synthetic sex pheromone on pheromone-inducible conjugation between the isogenic Enterococcus faecalis strains OG1RF and OG1SS was investigated in (i) Todd-Hewitt broth medium and (ii) intestinal mucus isolated from germ-free rats. In broth, the presence of synthetic pheromone cCF10 had no detectable effe...

journal_title：FEMS microbiology letters

authors： Licht TR,Hammerum AM,Jensen LB,Jacobsen BL

更新日期：2001-11-13 00:00:00

abstract：:The cea-kil operon of the ColE1 plasmid is negatively regulated by the LexA-repressor and therefore, it is under the control of SOS regulation. We constructed a gene fusion between the cea and lacZ genes. Expression of the translational fusion can be easily detected by monitoring the levels of beta-galactosidase. Sinc...

journal_title：FEMS microbiology letters

authors： Schumann W,Songür N,Miltenburger HG

更新日期：1991-07-01 00:00:00

abstract：:Streptococcus mutans and certain other oral lactic-acid bacteria were found to have the ability to carry out malolactic fermentation involving decarboxylation of L-malate to yield L-lactic acid and concomitant reduction in acidity. The activity was inducible by L-malate in S. mutans UA159 growing in suspensions or bio...

journal_title：FEMS microbiology letters

authors： Sheng J,Marquis RE

更新日期：2007-07-01 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：:When bacterial cells are subjected to stress, cellular and population characteristics can change significantly. Rapid acquisition of these properties of cells in their native physiological state is necessary in order to precisely interpret their survival modes. The multiparametric analytical capability of flow cytomet...

journal_title：FEMS microbiology letters

authors： Sachidanandham R,Gin KY

更新日期：2009-01-01 00:00:00

abstract：:Reduction of D-fructose to D-mannitol by whole-cell biotransformation with recombinant resting cells of Corynebacterium glutamicum ATCC13032 requires the coexpression of mdh and fdh, which encode mannitol and formate dehydrogenases, respectively. However, d-mannitol formation is limited by the uptake of d-fructose in ...

journal_title：FEMS microbiology letters

authors： Bäumchen C,Krings E,Bringer S,Eggeling L,Sahm H

更新日期：2009-01-01 00:00:00

abstract：:Bacteriophages infecting Salmonella spp. were isolated from sewage using soft agar overlays containing three Salmonella serovars and assessed with regard to their potential to control food-borne salmonellae. Two distinct phages, as defined by plaque morphology, structure and host range, were obtained from a single sam...

journal_title：FEMS microbiology letters

authors： Carey-Smith GV,Billington C,Cornelius AJ,Hudson JA,Heinemann JA

更新日期：2006-05-01 00:00:00

abstract：:Bacillus subtilis strains BS49 and BS34A, both derived from a common ancestor, carry one or more copies of Tn916, an extremely common mobile genetic element capable of transfer to and from a broad range of microorganisms. Here, we report the complete genome sequence of BS49 and the draft genome sequence of BS34A, whic...

journal_title：FEMS microbiology letters

authors： Browne HP,Anvar SY,Frank J,Lawley TD,Roberts AP,Smits WK

更新日期：2015-01-01 00:00:00

abstract：:We devised a screening method to obtain basidiomycetous fungi capable of degrading dioxins. About 200 fungal strains were selected from more than 1500 strains by their ability to decolorize Remazol brilliant blue R dye as an indicator. To attempt to eliminate the factor of dioxin sorption by mycelia, we prepared two s...

journal_title：FEMS microbiology letters

authors： Sato A,Watanabe T,Watanabe Y,Harazono K,Fukatsu T

更新日期：2002-08-06 00:00:00

abstract：:In addition to core Cas proteins, CRISPR-Cas loci often encode ancillary proteins that modulate the activity of the respective effectors in interference. Subtype VI-B1 CRISPR-Cas systems encode the Csx27 protein that down-regulates the activity of Cas13b when the type VI-B locus is expressed in Escherichia coli. We sh...

journal_title：FEMS microbiology letters

authors： Makarova KS,Gao L,Zhang F,Koonin EV

更新日期：2019-04-01 00:00:00

abstract：:The multiple antibiotic resistance operon (marRAB) is a member of the multidrug resistance (mdr) systems. Similar to other mdr systems, this operon when induced encodes resistance to structurally and functionally unrelated antibiotics. marRAB has been shown to be conserved in the family Enterobacteriaceae, but within ...

journal_title：FEMS microbiology letters

authors： Kunonga NI,Sobieski RJ,Crupper SS

更新日期：2000-06-15 00:00:00

abstract：:In Bordetella pertussis virulence-associated genes, including adenylate cyclase toxin (Cya), are coordinately regulated in response to environmental signals by proteins coded by the bvg-locus. We have constructed cya-lac fusions in Escherichia coli and have shown that the cya operon is not expressed in E. coli, neithe...

journal_title：FEMS microbiology letters

authors： Goyard S,Ullmann A

更新日期：1991-01-15 00:00:00

abstract：:The polymerase chain reaction was used to search for hepatitis B virus (HBV)-DNA sequences in the sera of HBsAg-negative Senegalese patients suffering from liver cirrhosis or liver cancer. Amplified HBV-DNA sequences were detected by hybridization with a digoxigenin-labelled HBV-DNA probe. HBV-DNA was detected in 17% ...

journal_title：FEMS microbiology letters

authors： Coursaget P,Le Cann P,Leboulleux D,Diop MT,Bao O,Coll AM

更新日期：1991-09-15 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：:While there is an extensive database of genes encoding ammonia monooxygenase (amo) found in the ammonia-oxidizing beta-proteobacteria, few amo sequences are available representing the gamma-proteobacteria. We sequenced the complete amo operon (amoCAB) for Nitrosococcus oceani (ATCC 19707), a marine, autotrophic, ammon...

journal_title：FEMS microbiology letters

authors： Alzerreca JJ,Norton JM,Klotz MG

更新日期：1999-11-01 00:00:00

abstract：:Environmental persistence of Mycobacterium tuberculosis is subject to speculation. However, the reality that infected postmortem tissues can be a danger to pathologists and embalmers has worrisome implications. A few experimental studies have demonstrated the organism's ability to withstand exposure to embalming fluid...

journal_title：FEMS microbiology letters

authors： Lemma E,Zimhony O,Greenblatt CL,Koltunov V,Zylber MI,Vernon K,Spigelman M

更新日期：2008-06-01 00:00:00

abstract：:The signal that triggers the expression of the ace operon and, in turn, the transition of central metabolism's architecture from acetogenic to gluconeogenic in Escherichia coli remains elusive despite extensive research both in vivo and in vitro. Here, with the aid of flux analysis together with measurements of the en...

journal_title：FEMS microbiology letters

authors： El-Mansi M,Phue JN,Shiloach J

更新日期：2021-01-08 00:00:00

abstract：:IS1(SB) and its two variants were identified as the major and minor IS1 elements in Shigella boydii. The nucleotide sequences of IS1(SB), IS1(O157:H7) from Escherichia coli O157:H7 and IS1F from E. coli K12 suggest that these IS1 elements had been horizontally transferred among S. boydii and E. coli O157:H7 and K12. T...

journal_title：FEMS microbiology letters

authors： Hsu WB,Chen JH

更新日期：2003-05-28 00:00:00

abstract：:Bacteriophage P008 revealed irreversible and uniform adsorption to cell walls of L. lactis subsp. 'diacetylactis' F7/2, whereas phage P127 adsorbed reversibly to a limited number of receptor sites on cell walls of L. lactis subsp. cremoris Wg2-1. Neither extraction of lipids, cell wall- and membrane-teichoic acids nor...

journal_title：FEMS microbiology letters

authors： Schäfer A,Geis A,Neve H,Teuber M

更新日期：1991-02-01 00:00:00

abstract：:In haloarchaea, a cluster of three genes is localized directly adjacent to the major replication origin, and, hence, the encoded proteins were annotated as 'origin-associated proteins' (Oap). However, prior to this study, no experimental data were available for these conserved hypothetical proteins. Bioinformatic anal...

journal_title：FEMS microbiology letters

authors： Wolters M,Borst A,Pfeiffer F,Soppa J

更新日期：2019-11-01 00:00:00

abstract：:During bacterial infection, professional phagocytes are attracted to the site of infection, where they constitute a first line of host cell defense. Their function is to engulf and destroy the pathogens. Thus, bacteria must withstand the bactericidal activity of professional phagocytes, including macrophages to counte...

journal_title：FEMS microbiology letters

authors： Tran SL,Ramarao N

更新日期：2013-10-01 00:00:00