Electron microscope studies of conditional spore cortexless mutants of Bacillus sphaericus.

abstract：:The occurrence of the novel regulatory nucleotide bis(3',5')-cyclic diguanylic acid (c-di-GMP) and its relation to cellulose biogenesis in the plant pathogen Agrobacterium tumefaciens was studied. c-di-GMP was detected in acid extracts of 32P-labeled cells grown in various media, and an enzyme responsible for its form...

journal_title：Journal of bacteriology

authors： Amikam D,Benziman M

更新日期：1989-12-01 00:00:00

abstract：:The phosphomannose isomerase (pmi) gene of Escherichia coli was cloned on a broad-host-range cosmid vector and expressed in Pseudomonas aeruginosa at a low level. Plasmid pAD3, which harbors the E. coli pmi gene, contains a 6.2-kilobase-pair HindIII fragment derived from the chromosome of E. coli. Subcloning produced ...

journal_title：Journal of bacteriology

authors： Darzins A,Nixon LL,Vanags RI,Chakrabarty AM

更新日期：1985-01-01 00:00:00

abstract：:Anaerobic microbial toluene catabolism is initiated by addition of fumarate to the methyl group of toluene, yielding (R)-benzylsuccinate as first intermediate, which is further metabolized via beta-oxidation to benzoyl-coenzyme A (CoA) and succinyl-CoA. A specific succinyl-CoA:(R)-benzylsuccinate CoA-transferase activ...

journal_title：Journal of bacteriology

authors： Leutwein C,Heider J

更新日期：2001-07-01 00:00:00

abstract：:Lignin peroxidases (LiP) of Phanerochaete chrysosporium are encoded by a family of six closely related genes. Five LiP genes have been localized to the same dimorphic chromosome. In this investigation, relative transcript levels of the LiP genes were determined. Transcripts of the LiPA, LiPB, and O282 genes were at si...

journal_title：Journal of bacteriology

authors： Stewart P,Kersten P,Vanden Wymelenberg A,Gaskell J,Cullen D

更新日期：1992-08-01 00:00:00

abstract：:The mobilizable Bacteroides element NBU2 (11 kbp) was found originally in two Bacteroides clinical isolates, Bacteroides fragilis ERL and B. thetaiotaomicron DOT. At first, NBU2 appeared to be very similar to another mobilizable Bacteroides element, NBU1, in a 2.5-kbp internal region, but further examination of the fu...

journal_title：Journal of bacteriology

authors： Wang J,Shoemaker NB,Wang GR,Salyers AA

更新日期：2000-06-01 00:00:00

abstract：:Among mutants which require isoleucine, but not valine, for growth, we have found two distinguishable classes. One is defective in the biosynthetic enzyme threonine deaminase (l-threonine hydro-lyase, deaminating, EC 4.2.1.16) and the other has an altered isoleucyl transfer ribonucleic acid (tRNA) synthetase [l-isoleu...

journal_title：Journal of bacteriology

authors： Iaccarino M,Berg P

更新日期：1971-02-01 00:00:00

abstract：:Pseudomonas aeruginosa is a Gram-negative opportunistic pathogen often associated with chronic infections in the lungs of individuals with the heritable disease cystic fibrosis (CF). Previous work from our laboratory demonstrated that aromatic amino acids within CF lung secretions (sputum) not only serve as carbon and...

journal_title：Journal of bacteriology

authors： Palmer GC,Palmer KL,Jorth PA,Whiteley M

更新日期：2010-06-01 00:00:00

abstract：:The general aromatic amino acid permease, AroP, of Escherichia coli is responsible for the active transport of phenylalanine, tyrosine, and tryptophan. A proposed topological model for the AroP permease, consisting of 12 hydrophobic transmembrane spans connected by hydrophilic loops, is very similar to that of the clo...

journal_title：Journal of bacteriology

authors： Cosgriff AJ,Pittard AJ

更新日期：1997-05-01 00:00:00

abstract：:The temperature-sensitive cyr1-2 mutant in Saccharomyces cerevisiae produces low levels of adenylate cyclase and cyclic AMP at 25 degrees C and is unable to synthesize repressible acid phosphatase at 25 degrees C. Suppressor mutants of cyr1-2 were isolated by detecting acid phosphatase activity. One of the dominant su...

journal_title：Journal of bacteriology

authors： Morishita T,Uno I

更新日期：1991-04-01 00:00:00

abstract：:Expression of the Vibrio vulnificus metalloprotease gene, vvp, was turned up rapidly when bacterial growth reached the late log phase. A similar pattern of expression has been found in the metalloprotease gene of Vibrio cholerae, and this has been shown to be regulated by a Vibrio harveyi LuxR-like transcriptional act...

journal_title：Journal of bacteriology

authors： Shao CP,Hor LI

更新日期：2001-02-01 00:00:00

abstract：:A 5.4-kilobase DNA fragment carrying Pseudomonas denitrificans cob genes has been sequenced. The nucleotide sequence and genetic analysis revealed that this fragment carries five different cob genes (cobA to cobE). Four of these genes present the characteristics of translationally coupled genes. cobA has been identifi...

journal_title：Journal of bacteriology

authors： Crouzet J,Cauchois L,Blanche F,Debussche L,Thibaut D,Rouyez MC,Rigault S,Mayaux JF,Cameron B

更新日期：1990-10-01 00:00:00

abstract：:In this study, we demonstrated that the surface-expressed enolase from diarrheal isolate SSU of Aeromonas hydrophila bound to human plasminogen and facilitated the latter's tissue-type plasminogen activator-mediated activation to plasmin. The bacterial surface-bound plasmin was more resistant to the action of its spec...

journal_title：Journal of bacteriology

authors： Sha J,Erova TE,Alyea RA,Wang S,Olano JP,Pancholi V,Chopra AK

更新日期：2009-05-01 00:00:00

abstract：:SecA facilitates protein transport across the eubacterial plasma membrane by its association with cargo proteins and the SecYEG translocon, followed by ATP-driven conformational changes that promote protein translocation in a stepwise manner. Whether SecA functions as a monomer or a dimer during this process has been ...

journal_title：Journal of bacteriology

authors： Jilaveanu LB,Oliver D

更新日期：2006-01-01 00:00:00

abstract：:Group I introns are inserted into genes of a wide variety of bacteriophages of gram-positive bacteria. However, among the phages of enteric and other gram-negative proteobacteria, introns have been encountered only in phage T4 and several of its close relatives. Here we report the insertion of a self-splicing group I ...

journal_title：Journal of bacteriology

authors： Bonocora RP,Shub DA

更新日期：2004-12-01 00:00:00

abstract：:The direct binding of Streptococcus mitis to human platelets is mediated in part by two proteins (PblA and PblB) encoded by a lysogenic bacteriophage (SM1). Since SM1 is the first prophage of S. mitis that has been identified and because of the possible role of these phage-encoded proteins in virulence, we sought to c...

journal_title：Journal of bacteriology

authors： Siboo IR,Bensing BA,Sullam PM

更新日期：2003-12-01 00:00:00

abstract：:Several authors have suggested that the SOS-associated (sfiA-dependent) system of division inhibition, normally induced by perturbations of DNA replication, also regulates steady-state (unperturbed) cell division. The present work shows that mean cell mass is identical in sfiA+ and sfiA mutant cultures during steady-s...

journal_title：Journal of bacteriology

authors： Huisman O,Jacques M,D'ari R,Caro L

更新日期：1983-02-01 00:00:00

abstract：:Elder, Robert L. (Johns Hopkins University, Baltimore, Md.), and Roland F. Beers, Jr. Nonphotoreactivating repair of ultraviolet light-damaged Micrococcus lysodeikticus cells. J. Bacteriol. 89:1225-1230. 1965.-Micrococcus lysodeikticus cells are highly resistant to ultraviolet radiation. The shape of the dose-survival...

journal_title：Journal of bacteriology

authors： ELDER RL,BEERS RF Jr

更新日期：1965-05-01 00:00:00

abstract：:In Salmonella enterica serovar Typhimurium a mutation in the purF gene encoding the first enzyme in the purine pathway blocks, besides the synthesis of purine, the synthesis of thiamine when glucose is used as the carbon source. On carbon sources other than glucose, a purF mutant does not require thiamine, since the a...

journal_title：Journal of bacteriology

authors： Björk GR,Nilsson K

更新日期：2003-02-01 00:00:00

abstract：:Expression of the hurIR bhuRSTUV heme utilization locus in Bordetella bronchiseptica is coordinately controlled by the global iron-dependent regulator Fur and the extracytoplasmic function sigma factor HurI. Activation of HurI requires transduction of a heme-dependent signal via HurI, HurR, and BhuR, a three-component...

journal_title：Journal of bacteriology

authors： King-Lyons ND,Smith KF,Connell TD

更新日期：2007-09-01 00:00:00

abstract：:Normal animal sera inhibit at least one Clostridium histolyticum proteinase. An assay procedure based on immune hemolysis was developed for the estimation of this inhibition. This inhibitory activity occurs in various levels in the sera of different animal species. The highest titers have been obtained with rat sera. ...

journal_title：Journal of bacteriology

authors： Luzzati A,Goldlust MB,Levine L

更新日期：1968-12-01 00:00:00

abstract：:We previously reported that group D streptococci exhibited immunoglobulin G (IgG)-binding activity and that a 52-kDa IgG-binding protein was present in all Streptococcus suis strains examined (B. Serhir, R. Higgins, B. Foiry, and M. Jacques, J. Gen. Microbiol. 139:2953-2958, 1993). The objective of the present study w...

journal_title：Journal of bacteriology

authors： Serhir B,Dubreuil D,Higgins R,Jacques M

更新日期：1995-07-01 00:00:00

abstract：:Escherichia coli has been used as a platform host for studying the production of free fatty acids (FFA) and other energy-dense compounds useful in biofuel applications. Most of the FFA produced by E. coli are found extracellularly. This finding suggests that a mechanism for transport across the cell envelope exists, y...

journal_title：Journal of bacteriology

authors： Lennen RM,Politz MG,Kruziki MA,Pfleger BF

更新日期：2013-01-01 00:00:00

abstract：:Recombination studies of bacteria are often carried out with multicopy plasmids, and recombination frequencies are often deduced from the proportion of cells in the population that express a recombinant phenotype. These frequencies should however be called apparent frequencies, since detection of the recombinant cells...

journal_title：Journal of bacteriology

authors： Chédin F,Dervyn R,Ehrlich SD,Noirot P

更新日期：1997-02-01 00:00:00

abstract：:The symbiotic nitrogen-fixing bacterium Sinorhizobium meliloti possesses the Sin quorum-sensing system based on N-acyl homoserine lactones (AHLs) as signal molecules. The Sin system consists of SinI, the AHL synthase, and SinR, the LuxR-type regulator. This system regulates the expression of a multitude of S. meliloti...

journal_title：Journal of bacteriology

authors： McIntosh M,Krol E,Becker A

更新日期：2008-08-01 00:00:00

abstract：:A periplasmic protein essential for the function of the oligopeptide transport system of Salmonella typhimurium was identified. This protein, encoded by the oppA gene, is one of the most abundant proteins in the periplasm and, with an apparent molecular weight of 52,000, is considerably larger than any other known per...

journal_title：Journal of bacteriology

authors： Higgins CF,Hardie MM

更新日期：1983-09-01 00:00:00

abstract：:Two riboflavin synthase activities (heavy and light) have been observed in earlier studies with Bacillus subtilis. The heavy enzyme is a complex of one molecule of light enzyme (consisting of three alpha subunits) and approximately 60 beta subunits (A. Bacher, R. Bauer, U. Eggers, H. Harders, and H. Schnepple, p. 729-...

journal_title：Journal of bacteriology

authors： Bacher A,Mailänder B

更新日期：1978-05-01 00:00:00

abstract：:Studies on the composition of total fatty acids of Alcaligenes faecalis harvested at different growth phases have been carried out. Ability of the organism to desaturate palmitic and stearic acid has also been tested. The organism contained palmitic (16:0), stearic (18:0), palmitoleic (16:1), cis-vaccenic (18:1), cycl...

journal_title：Journal of bacteriology

authors： Ghaneker AS,Nair PM

更新日期：1973-05-01 00:00:00

abstract：:The fumarate reductase enzyme complex allows Escherichia coli to grow anaerobically with fumarate as a terminal electron acceptor for oxidative phosphorylation when the preferred compounds oxygen and nitrate are not available. We used the pKO promoter test vectors to identify a single promoter for the frdABCD genes wh...

journal_title：Journal of bacteriology

authors： Jones HM,Gunsalus RP

更新日期：1985-12-01 00:00:00

abstract：:By use of Arthrobacter globiformis SI55, a psychrotrophic bacterium capable of growth between -5 and +32 degrees C, we cloned and sequenced capA, a gene homologous to cspA encoding the major cold shock protein in Escherichia coli. The deduced protein sequence has a high level of identity with the sequences of other Cs...

journal_title：Journal of bacteriology

authors： Berger F,Normand P,Potier P

更新日期：1997-09-01 00:00:00

abstract：:Pseudomonas savastanoi pv. savastanoi strains harbor native plasmids belonging to the pPT23A plasmid family (PFPs) which are detected in all pathovars of the related species Pseudomonas syringae examined and contribute to the ecological and pathogenic fitness of their host. However, there is a general lack of informat...

journal_title：Journal of bacteriology

authors： Pérez-Martínez I,Zhao Y,Murillo J,Sundin GW,Ramos C

更新日期：2008-01-01 00:00:00