Characterization of the surface protein layers of the mosquito-pathogenic strains of Bacillus sphaericus.

abstract：:Outer membrane preparations of Bdellovibrio bacteriovorus grown intraperiplasmically on Escherichia coli containing OmpF were prepared by the Triton X-100 procedure of Schnaitman (J. Bacteriol. 108:545-552, 1971). They contained a protein that migrated to almost the same position as E. coli OmpF in sodium dodecyl sulf...

journal_title：Journal of bacteriology

authors： Rayner JR,Cover WH,Martinez RJ,Rittenberg SC

更新日期：1985-08-01 00:00:00

abstract：:The lipopolysaccharide (LPS) from Rhizobium trifolii 0403 was isolated at different stages of growth and was examined for its (i) ability to bind a white clover lectin (trifoliin A), (ii) immunochemical properties, and (iii) composition. There was significantly more binding of trifoliin A to purified LPS and cells in ...

journal_title：Journal of bacteriology

authors： Hrabak EM,Urbano MR,Dazzo FB

更新日期：1981-11-01 00:00:00

abstract：:Salmonella enterica encodes a type III secretion system within a pathogenicity island located at centisome 63 that is essential for virulence. All type III secretion systems require the function of a family of low-molecular-weight proteins that aid the secretion process by acting as partitioning factors and/or secreti...

journal_title：Journal of bacteriology

authors： Tucker SC,Galán JE

更新日期：2000-04-01 00:00:00

abstract：:Mycoplasma virus L2 is subject to host-specific restriction and modification in Acholeplasma laidlawii strains JA1 and K2. We have examined the DNAs from both host cells and viruses propagated on these strains with respect to susceptibility to cleavage by restriction endonucleases and for DNA base modifications. We sh...

journal_title：Journal of bacteriology

authors： Dybvig K,Swinton D,Maniloff J,Hattman S

更新日期：1982-09-01 00:00:00

abstract：:Two arginyl-transfer ribonucleic acid (tRNA) synthetase (EC 6.1.1.13, arginine: ribonucleic acid ligase adenosine monophosphate) activities were found in extracts of Escherichia coli strains AB1132 and NP2. The two arginyl-tRNA synthetase activities in extracts of strain AB1132 were found to be separable by diethylami...

journal_title：Journal of bacteriology

authors： Yem DW,Williams LS

更新日期：1973-02-01 00:00:00

abstract：:Enterococcus faecalis ATCC 11700 is able to use arginine and the diamine agmatine as a sole energy source. Via the highly homologous deiminase pathways, arginine and agmatine are converted into CO2, NH3, and the end products ornithine and putrescine, respectively. In the arginine deiminase pathway, uptake of arginine ...

journal_title：Journal of bacteriology

authors： Driessen AJ,Smid EJ,Konings WN

更新日期：1988-10-01 00:00:00

abstract：:Qualitatively, the protein and fatty acid composition of purified mesosomal vesicles and the plasma membrane isolated from Staphylococcus aureus ATCC 6538P are identical, the major difference between these two cellular components being only quantitative in nature. Mesosomal vesicles and plasma membranes, when subjecte...

journal_title：Journal of bacteriology

authors： Theodore TS,Panos C

更新日期：1973-11-01 00:00:00

abstract：:The allosteric pattern of control for 3-deoxy-d-arabino-heptulosonate 7-phosphate (DAHP) synthetase has previously been shown to be strongly conserved among the member species of a given genus in bacteria. The implications of this finding as a procedural tool of bacterial phylogeny were pursued by a study of two organ...

journal_title：Journal of bacteriology

authors： Jensen RA,Stenmark SL

更新日期：1970-03-01 00:00:00

abstract：:The polymerase chain reaction (PCR) has been used to amplify DNA fragments by using eucaryotic genomic DNA as a template. We show that bacterial genomic DNA can be used as a template for PCR amplification. We demonstrate that DNA fragments at least as large as 4,400 base pairs can be amplified with fidelity and that t...

journal_title：Journal of bacteriology

authors： Shyamala V,Ames GF

更新日期：1989-03-01 00:00:00

abstract：:A series of electron micrographs showing the presence of different molecular forms representing various replication stages of plasmid deoxyribonucleic acid from Streptomyces griseus was obtained. Based upon an analysis of these electron micrographs, a tentative model for plasmid deoxyribonucleic acid replication in S....

journal_title：Journal of bacteriology

authors： Xue Y,Zhuang Z,Zhu Y,Xu Y,Dong K

更新日期：1981-04-01 00:00:00

abstract：:Granular structures containing inorganic polyphosphate were found in Micrococcus lysodeikticus. These structures were isolated by fractionation of the bacterial extract obtained by lysing the organisms with lysozyme. The composition of the fraction which was enriched with these structures was found to be: protein, 24%...

journal_title：Journal of bacteriology

authors： Friedberg I,Avigad G

更新日期：1968-08-01 00:00:00

abstract：:Strain 4R is a phycocyanin-minus mutant of the unicellular cyanobacterium Synechocystis sp. strain 6803. Although it lacks the light-harvesting protein phycocyanin, 4R has normal levels of phycocyanin (cpc) transcripts. Sequence analysis of the cpcB gene encoding the phycocyanin beta subunit shows an insertion mutatio...

journal_title：Journal of bacteriology

authors： Plank T,Toole C,Anderson LK

更新日期：1995-12-01 00:00:00

abstract：:The crystal structure of a small, basic DNA binding protein, Sso10b2, from the thermoacidophilic archaeon Sulfolobus solfataricus was determined by the Zn multiwavelength anomalous diffraction method and refined to 1.85 A resolution. The 89-amino-acid protein adopts a betaalphabetaalphabetabeta topology. The structure...

journal_title：Journal of bacteriology

authors： Chou CC,Lin TW,Chen CY,Wang AH

更新日期：2003-07-01 00:00:00

abstract：:In this report we describe the functional expression of EmrE, a 110-amino-acid multidrug transporter from Escherichia coli, in the yeast Saccharomyces cerevisiae. To allow for phenotypic complementation, a mutant strain sensitive to a series of cationic lipophilic drugs was first identified. A hemagglutinin epitope-ta...

journal_title：Journal of bacteriology

authors： Yelin R,Rotem D,Schuldiner S

更新日期：1999-02-01 00:00:00

abstract：:The reproduction and morphogenesis of Rickettsiella chironomi, an unusual procaryotic parasite of midge larvae, was studied with electron microscopy. The morphogenic cycle was similar to that found in chlamydia and consisted of four major cell types: (i) medium-sized spherical initial bodies (ca. 1 micrometers in diam...

journal_title：Journal of bacteriology

authors： Federici BA

更新日期：1980-08-01 00:00:00

abstract：:In cyanobacteria, gene expression is regulated mainly at the level of transcription initiation, which is mediated by the RNA polymerase holoenzyme. The RNA polymerase core is catalytically active, while the sigma factor recognizes promoter sequences. Group 2 sigma factors are similar to the principal sigma factor but ...

journal_title：Journal of bacteriology

authors： Pollari M,Ruotsalainen V,Rantamäki S,Tyystjärvi E,Tyystjärvi T

更新日期：2009-06-01 00:00:00

abstract：:Mutants that require exogenous D-glucosamine for growth were isolated from Saccharomyces cerevisiae X2180-1A after ethyl methane sulfonate mutagenesis. Class A auxotrophs fail to grow on yeast extract-peptone-dextrose and minimal media, whereas class B auxotrophs grow on minimal medium and readily revert to grow on ye...

journal_title：Journal of bacteriology

authors： Whelan WL,Ballou CE

更新日期：1975-12-01 00:00:00

abstract：:In many microorganisms the first step for alkane degradation is the terminal oxidation of the molecule by an alkane hydroxylase. We report the characterization of a gene coding for an alkane hydroxylase in a Burkholderia cepacia strain isolated from an oil-contaminated site. The protein encoded showed similarity to ot...

journal_title：Journal of bacteriology

authors： Marín MM,Smits TH,van Beilen JB,Rojo F

更新日期：2001-07-01 00:00:00

abstract：:In Escherichia coli, the CpxRA two-component signal transduction system senses and responds to aggregated and misfolded proteins in the bacterial envelope. We show that CpxR-P (the phosphorylated form of the cognate response regulator) activates cpxRA expression in conjunction with RpoS, suggesting an involvement of t...

journal_title：Journal of bacteriology

authors： De Wulf P,Kwon O,Lin EC

更新日期：1999-11-01 00:00:00

abstract：:The binding of iron-loaded human transferrin at the surface of Neisseria meningitidis is mediated by two polypeptides, Tbp1 and Tbp2. Predicted Tbp amino acid sequences from N. meningitidis strains are highly divergent. This variability is particularly pronounced throughout the Tbp2 polypeptide. In this study, a highl...

journal_title：Journal of bacteriology

authors： Vonder Haar RA,Legrain M,Kolbe HV,Jacobs E

更新日期：1994-10-01 00:00:00

abstract：UNLABELLED:Rhodopseudomonas palustris is an alphaproteobacterium that has served as a model organism for studies of photophosphorylation, regulation of nitrogen fixation, production of hydrogen as a biofuel, and anaerobic degradation of aromatic compounds. This bacterium is able to transition between anaerobic photoaut...

journal_title：Journal of bacteriology

authors： Pechter KB,Gallagher L,Pyles H,Manoil CS,Harwood CS

更新日期：2015-12-28 00:00:00

abstract：:The Bacillus subtilis anti-TRAP protein regulates the ability of the tryptophan-activated TRAP protein to bind to trp operon leader RNA and promote transcription termination. AT synthesis is regulated both transcriptionally and translationally by uncharged tRNA(Trp). In this study, we examined the roles of AT synthesi...

journal_title：Journal of bacteriology

authors： Cruz-Vera LR,Gong M,Yanofsky C

更新日期：2008-03-01 00:00:00

abstract：:The three-dimensional structure of the nickel-containing hydrogenase from Thiocapsa roseopersicina has been determined at a resolution of 2 nm in the plane and 4 nm in the vertical direction by electron microscopy and computerized image processing on microcrystals of the enzyme. The enzyme forms a large ring-shaped co...

journal_title：Journal of bacteriology

authors： Sherman MB,Orlova EV,Smirnova EA,Hovmöller S,Zorin NA

更新日期：1991-04-01 00:00:00

abstract：:Escherichia coli cells harboring a non-attenuated trp-lac operon fusion were used to evaluate the effects of indolmycin on the initiation of transcription at the trp promoter. Indolmycin caused repression in trpR+ strains and in trpR deletion mutants, although higher effector concentrations were required in the latter...

journal_title：Journal of bacteriology

authors： Bogosian G,Haydock PV,Somerville RL

更新日期：1983-02-01 00:00:00

abstract：:The hemA gene of Bradyrhizobium japonicum, which encodes the first enzyme in the heme biosynthetic pathway, is regulated by oxygen. Up to ninefold induction of beta-galactosidase activity is seen when cultures of B. japonicum containing either a plasmid-encoded or a chromosomally integrated hemA-lacZ fusion are shifte...

journal_title：Journal of bacteriology

authors： Page KM,Guerinot ML

更新日期：1995-07-01 00:00:00

abstract：:Glycosylation is a common modulation of protein function in eukaryotes and is biologically important. However, in bacteria protein glycosylation is rare, and relatively few bacterial glycoproteins are known. In Escherichia coli only two glycoproteins have been described to date. Here we introduce a novel member to thi...

journal_title：Journal of bacteriology

authors： Sherlock O,Dobrindt U,Jensen JB,Munk Vejborg R,Klemm P

更新日期：2006-03-01 00:00:00

abstract：:It was previously shown that the Rhodobacter capsulatus NtrC enhancer-binding protein activates the R. capsulatus housekeeping RNA polymerase but not the Escherichia coli RNA polymerase at the nifA1 promoter. We have tested the hypothesis that this activity is due to the high G+C content of the -10 sequence. A compara...

journal_title：Journal of bacteriology

authors： Richard CL,Tandon A,Kranz RG

更新日期：2004-02-01 00:00:00

abstract：:Escherichia coli lactose permease mediates the proton-driven translocation of galactosides across the cytoplasmic membrane. To define regions important for membrane insertion as well as for biological function, we constructed plasmids encoding different portions of the lactose carrier. Among several lacY deletions, tw...

journal_title：Journal of bacteriology

authors： Wrubel W,Stochaj U,Sonnewald U,Theres C,Ehring R

更新日期：1990-09-01 00:00:00

abstract：:Lactococcus lactis subsp. lactis ML3 contains high pools of proline or betaine when grown under conditions of high osmotic strength. These pools are created by specific transport systems. A high-affinity uptake system for glycine betaine (betaine) with a Km of 1.5 microM is expressed constitutively. The activity of th...

journal_title：Journal of bacteriology

authors： Molenaar D,Hagting A,Alkema H,Driessen AJ,Konings WN

更新日期：1993-09-01 00:00:00

abstract：:Staphylococcus lugdunensis is the only coagulase-negative Staphylococcus species with a locus encoding iron-regulated surface determinant (Isd) proteins. In Staphylococcus aureus, the Isd proteins capture heme from hemoglobin and transfer it across the wall to a membrane-bound transporter, which delivers it into the c...

journal_title：Journal of bacteriology

authors： Zapotoczna M,Heilbronner S,Speziale P,Foster TJ

更新日期：2012-12-01 00:00:00