EFFECT OF PH ON INTERMEDIATES PRODUCED DURING GROWTH AND SPORULATION OF BACILLUS CEREUS.

abstract：:Several Pseudomonas solanacearum strains which produced no detectable extracellular polysaccharide (EPS) in planta had been reported to remain highly virulent when tested at high inoculum concentrations (P. Xu, M. Iwata, S. Leong, and L. Sequeira, J. Bacteriol. 172:3946-3951, 1990; P. Xu, S. Leong, and L. Sequeira, J....

journal_title：Journal of bacteriology

authors： Kao CC,Barlow E,Sequeira L

更新日期：1992-02-01 00:00:00

abstract：:ATP-dependent glucokinase is suggested to have evolved from a hypothetical polyphosphate (polyP)-dependent glucokinase (polyP-GK) via a bifunctional polyP/ATP glucokinase (polyP/ATP-GK). Here we showed that polyP-GK is present in a polyP-accumulating bacterium, Microlunatus phosphovorus. The polyP-GK produced glucose-...

journal_title：Journal of bacteriology

authors： Tanaka S,Lee SO,Hamaoka K,Kato J,Takiguchi N,Nakamura K,Ohtake H,Kuroda A

更新日期：2003-09-01 00:00:00

abstract：:The genome sequence of the enteric bacterial pathogen Campylobacter jejuni NCTC 11168 (11168-GS) was published in 2000, providing a valuable resource for the identification of C. jejuni-specific colonization and virulence factors. Surprisingly, the 11168-GS clone was subsequently found to colonize 1-day-old chicks fol...

journal_title：Journal of bacteriology

authors： Gaynor EC,Cawthraw S,Manning G,MacKichan JK,Falkow S,Newell DG

更新日期：2004-01-01 00:00:00

abstract：:A cell-free system from Bacillus thuringiensis was found to actively incorporate phenylalanine into hot trichloroacetic acid-precipitable material in the presence of synthetic polynucleotide, ribosomes, S-100 supernatant, an energy-generating system, and guanosine triphosphate. Phenylalanine incorporation was absolute...

journal_title：Journal of bacteriology

authors： Changchien LM,Aronson JN

更新日期：1970-09-01 00:00:00

abstract：:The specificity of the growth requirement of Methanobacterium ruminantium strain M1 for a new coenzyme, 2-mercaptoethanesulfonic acid (HS--CoM), was examined. A variety of derivatives, analogs, and potential biosynthetic precursors of coenzyme M were tested; only a restricted range of thioether, thioester, and thiocar...

journal_title：Journal of bacteriology

authors： Balch WE,Wolfe RS

更新日期：1979-01-01 00:00:00

abstract：:Rhodocyclales are representative of versatile bacteria that are able to utilize a wide variety of organic compounds for growth, but only a few strains have been isolated in pure culture thus far. Here we present the genome sequence of Methyloversatilis universalis FAM5(T), the first cultivable methylotrophic member of...

journal_title：Journal of bacteriology

authors： Kittichotirat W,Good NM,Hall R,Bringel F,Lajus A,Médigue C,Smalley NE,Beck D,Bumgarner R,Vuilleumier S,Kalyuzhnaya MG

更新日期：2011-09-01 00:00:00

abstract：:Chronic lung infections in cystic fibrosis (CF) could be treated more effectively if the effects of antimicrobials on pathogens in situ were known. Here, we compared changes in the microbial community composition and pathogen growth rates in longitudinal studies of seven pediatric CF patients undergoing intravenous an...

journal_title：Journal of bacteriology

authors： Neubauer C,Kasi AS,Grahl N,Sessions AL,Kopf SH,Kato R,Hogan DA,Newman DK

更新日期：2018-11-26 00:00:00

abstract：:The Enterococcus faecalis plasmid pAD1 undergoes conjugative transfer in response to cAD1, a peptide sex pheromone emitted by potential bacterial recipients. Regulation of pAD1 transfer involves a number of plasmid-encoded determinants:iad, which determines a peptide-competitive inhibitor iAD1; signal sensing and tran...

journal_title：Journal of bacteriology

authors： Pontius LT,Clewell DB

更新日期：1992-05-01 00:00:00

abstract：:Here we have characterized the Rickettsia prowazekii RP534 protein, a homologue of the Pseudomonas aeruginosa ExoU phospholipase A (PLA) secreted cytotoxin. Our studies showed that purified recombinant RP534 PLA possessed the predicted PLA(2) and lyso-PLA(2) activities based on what has been published for P. aeruginos...

journal_title：Journal of bacteriology

authors： Housley NA,Winkler HH,Audia JP

更新日期：2011-09-01 00:00:00

abstract：:Four genes encoding for polypeptides with apparent molecular weights of 17,000, 26,000 (the fimbrial subunit), 27,000, and 81,000 have been implicated in the biosynthesis of the K88ab fimbria (Mooi et al., J. Bacteriol. 150:512-521, 1982). Escherichia coli mutants with defects in these genes were examined for the pres...

journal_title：Journal of bacteriology

authors： Mooi FR,Wijfjes A,de Graaf FK

更新日期：1983-04-01 00:00:00

abstract：:The effects of starving Escherichia coli for glucose and required amino acids were determined. The disappearance of the majority of the ribosomal population, particularly of the ribonucleic acid (RNA) moiety, was noted. The events during recovery are detailed, with emphasis placed on the timing, requirements, and cont...

journal_title：Journal of bacteriology

authors： Jacobson A,Gillespie D

更新日期：1968-03-01 00:00:00

abstract：:Data have been obtained which imply that chloramphenicol stimulation of ribonucleic acid (RNA) synthesis is a result of the accumulation of aminoacyl transfer RNA (tRNA) molecules. The data also support the hypothesis that chloramphenicol exerts an additional effect upon the stimulation of RNA synthesis. This effect m...

journal_title：Journal of bacteriology

authors： Kaplan S

更新日期：1969-05-01 00:00:00

abstract：:Resting cells of Escherichia coli are able to initiate growth and murein biosynthesis in the presence of beta-lactam antibiotics binding to penicillin-binding proteins (PBPs) 1a and 1b (E. J. de la Rosa, M. A. de Pedro, and D. Vázquez, Proc. Natl. Acad. Sci. USA 82:5632-5635, 1985). Under these conditions, cells elong...

journal_title：Journal of bacteriology

authors： García-del Portillo F,Pisabarro AG,de la Rosa EJ,de Pedro MA

更新日期：1987-06-01 00:00:00

abstract：:The ski22::Tn917lac insertion mutation in Bacillus subtilis was isolated in a screen for mutations that cause a defect in sporulation but are suppressed by the presence or overexpression of the histidine protein kinase encoded by kinA (spoIIJ). The ski22::Tn917lac insertion mutation was in ald, the gene encoding alani...

journal_title：Journal of bacteriology

authors： Siranosian KJ,Ireton K,Grossman AD

更新日期：1993-11-01 00:00:00

abstract：:Using a model system, we have studied deletion formation in Bacillus subtilis. When the staphylococcal plasmids pSA2100 (7.1 kilobases) and pUB110 (4.5 kilobases) were ligated to one another at their unique XbaI sites and transformed into either rec+ or recE4 strains of B. subtilis, an intramolecular recombination eve...

journal_title：Journal of bacteriology

authors： Hahn J,Dubnau D

更新日期：1985-06-01 00:00:00

abstract：:Injection of mice with a sublethal dose of endotoxin 2 hr after administration of 0.1 ml of carbon tetrachloride (CCl(4)) killed 75% of the animals. CCl(4) alone killed no controls. Significant protection against this effect was afforded by 5 mg of cortisone and by 5 mg of nicotinamide adenine dinucleotide (NAD). With...

journal_title：Journal of bacteriology

authors： Synder IS,Agarwal MK,Berry LJ

更新日期：1967-12-01 00:00:00

abstract：:AdnA is a transcription factor in Pseudomonas fluorescens that affects flagellar synthesis, biofilm formation, and sand adhesion. To identify the AdnA regulon, we used a promoterless Tn5-lacZ element to study the phenotypes of insertion mutants in the presence and absence of AdnA. Of 12,000 insertions, we identified s...

journal_title：Journal of bacteriology

authors： Robleto EA,López-Hernández I,Silby MW,Levy SB

更新日期：2003-01-01 00:00:00

abstract：:The Bacillus spo0H gene codes for sigma H, which, as part of the RNA polymerase holoenzyme E sigma H, is responsible for the transcription of several genes which are expressed at the beginning of the sporulation process. In this communication, we examined the regulation of the spo0H gene of Bacillus subtilis by using ...

journal_title：Journal of bacteriology

authors： Weir J,Predich M,Dubnau E,Nair G,Smith I

更新日期：1991-01-01 00:00:00

abstract：:Structural studies were carried out on lipoteichoic acids obtained from defatted cells of 10 Bacillus strains by phenol-water partition followed by chromatography on DEAE-Sephacel and Octyl-Sepharose columns. A group of the tested bacteria (group A), Bacillus subtilis, Bacillus licheniformis, and Bacillus pumilus, was...

journal_title：Journal of bacteriology

authors： Iwasaki H,Shimada A,Ito E

更新日期：1986-08-01 00:00:00

abstract：:The DNA-dependent RNA polymerase (EC 2.7.7.6) from Clostridium acetobutylicum DSM 1731 has been purified to homogeneity and characterized. The purified enzyme was composed of four subunits and had a molecular mass of 370,000 Da. Western immunoblot analysis with polyclonal antibodies against the sigma 70 subunit of Esc...

journal_title：Journal of bacteriology

authors： Pich A,Bahl H

更新日期：1991-03-01 00:00:00

abstract：:The filamentous cyanobacterium Anabaena sp. strain PCC 7120 can fix N(2) under oxic conditions, and the activity of nitrogen fixation occurs exclusively in heterocysts, cells differentiated from vegetative cells in response to a limitation of a combined-nitrogen source in the growth medium. At the late stages of heter...

journal_title：Journal of bacteriology

authors： Shi L,Li JH,Cheng Y,Wang L,Chen WL,Zhang CC

更新日期：2007-07-01 00:00:00

abstract：:Spirillum lipoferum grows vigorously on malate, succinate, lactate, or pyruvate, moderately on galactose or acetate, and poorly on glucose or citrate. It reduces 15N2. Acetylene reduction rates decrease rapidly when the pH of the culture rises above 7.8. The organism is highly aerobic and had doubling times as low as ...

journal_title：Journal of bacteriology

authors： Okon Y,Albrecht SL,Burris RH

更新日期：1976-09-01 00:00:00

abstract：:In an effort to identify the Agrobacterium tumefaciens phosphate regulatory gene(s), we isolated a clone from an A. tumefaciens cosmid library that restored regulated alkaline phosphatase activity to an Escherichia coli phoB mutant. The gene that complemented phoB was localized by subcloning and deletion analysis, and...

journal_title：Journal of bacteriology

authors： Mantis NJ,Winans SC

更新日期：1993-10-01 00:00:00

abstract：:Prokaryotic organisms occupy the most diverse set of environments and conditions on our planet. Their ability to sense and respond to a broad range of external cues remain key research areas in modern microbiology, central to behaviors that underlie beneficial and pathogenic interactions of bacteria with multicellular...

journal_title：Journal of bacteriology

authors： Watts KJ,Vaknin A,Fuqua C,Kazmierczak BI

更新日期：2019-09-20 00:00:00

abstract：:A rough (R) Brucella abortus 45/20 mutant was more sensitive to the bactericidal activity of polymyxin B and lactoferricin B than was its smooth (S) counterpart but considerably more resistant than Salmonella montevideo. The outer membrane (OM) and isolated lipopolysaccharide (LPS) of S. montevideo showed a higher aff...

journal_title：Journal of bacteriology

authors： Freer E,Moreno E,Moriyón I,Pizarro-Cerdá J,Weintraub A,Gorvel JP

更新日期：1996-10-01 00:00:00

abstract：:Erwinia chrysanthemi 3937 secretes several pectinolytic enzymes, among which eight isoenzymes of pectate lyases with an endo-cleaving mode (PelA, PelB, PelC, PelD, PelE, PelI, PelL, and PelZ) have been identified. Two exo-cleaving enzymes, the exopolygalacturonate lyase, PelX, and an exo-poly-alpha-D-galacturonosidase...

journal_title：Journal of bacteriology

authors： Shevchik VE,Kester HC,Benen JA,Visser J,Robert-Baudouy J,Hugouvieux-Cotte-Pattat N

更新日期：1999-03-01 00:00:00

abstract：:Rhodobacter sphaeroides is a free-living, photoheterotrophic bacterium known for its genomic and metabolic complexity. We have discovered that this purple photosynthetic organism possesses a quorum-sensing system. Quorum sensing occurs in a number of eukaryotic host-associated gram-negative bacteria. In these bacteria...

journal_title：Journal of bacteriology

authors： Puskas A,Greenberg EP,Kaplan S,Schaefer AL

更新日期：1997-12-01 00:00:00

abstract：UNLABELLED:Succinic semialdehyde (SSA), an important metabolite of γ-aminobutyric acid (GABA), is a ligand of the repressor AttJ regulating the expression of the attJ-attKLM gene cluster in the plant pathogen Agrobacterium tumefaciens. While the response of A. tumefaciens to GABA and the function of attKLM have been ex...

journal_title：Journal of bacteriology

authors： Wang C,Tang D,Gao YG,Zhang LH

更新日期：2016-01-11 00:00:00

abstract：:We constructed a conditional mutant of pbpA in which transcription of the gene was placed under the control of an IPTG (isopropyl-beta-D-thiogalactopyranoside)-inducible promoter in order to explore the role of PBP1 in growth, cell wall structure, and cell division. A methicillin-resistant strain and an isogenic methi...

journal_title：Journal of bacteriology

authors： Pereira SF,Henriques AO,Pinho MG,de Lencastre H,Tomasz A

更新日期：2007-05-01 00:00:00

abstract：:Despite the considerable knowledge of bacterial high-molecular-weight (HMW) polycyclic aromatic hydrocarbon (PAH) metabolism, the key enzyme(s) and its pleiotropic and epistatic behavior(s) responsible for low-molecular-weight (LMW) PAHs in HMW PAH-metabolic networks remain poorly understood. In this study, a phenotyp...

journal_title：Journal of bacteriology

authors： Kweon O,Kim SJ,Kim DW,Kim JM,Kim HL,Ahn Y,Sutherland JB,Cerniglia CE

更新日期：2014-10-01 00:00:00