Suppression of insertions in the complex pdxJ operon of Escherichia coli K-12 by lon and other mutations.

abstract：:The ultrastructure of the cytoplasmic membrane and cell wall of two strains of Escherichia coli, Proteus morganii, P. vulgaris, Acinetobacter anitratum, Moraxella lacunata, Erwinia amylovora, Acinetobacter sp., and of a plant pathogen, unclassified gram-negative, fixed by the Ryter-Kellenberger procedure, was found to...

journal_title：Journal of bacteriology

authors： Silva MT,Sousa JC

更新日期：1973-02-01 00:00:00

abstract：:A gene in Legionella pneumophila that has significant homology to published hfq genes demonstrated regulation by RpoS and the transcriptional regulator LetA. Additionally, Hfq has a positive effect on the presence of transcripts of the genes for CsrA and the ferric uptake regulator Fur. Mutants lacking hfq demonstrate...

journal_title：Journal of bacteriology

authors： McNealy TL,Forsbach-Birk V,Shi C,Marre R

更新日期：2005-02-01 00:00:00

abstract：:Previously, we reported that rdxB, encoding a likely membrane-bound two [4Fe-4S]-containing center, is involved in the aerobic regulation of photosystem gene expression in Rhodobacter sphaeroides 2.4.1. To further investigate the role of rdxB as well as other genes of the rdxBHIS operon on photosystem gene expression,...

journal_title：Journal of bacteriology

authors： Roh JH,Kaplan S

更新日期：2000-06-01 00:00:00

abstract：:Alpha granules were isolated from a blue-green alga, Nostoc muscorum, in large quantities and high purity by sucrose density gradient centrifugation. Sodium deoxycholate was used to eliminate membrane contamination. Isolated alpha granules from this species have average dimension of 31 nm in width and 65 nm in length....

journal_title：Journal of bacteriology

authors： Chao L,Bowen CC

更新日期：1971-01-01 00:00:00

abstract：:Maintaining cell envelope integrity is critical for bacterial survival, including bacteria living in a complex and dynamic environment such as the human oral cavity. Streptococcus mutans, a major etiological agent of dental caries, uses two-component signal transduction systems (TCSTSs) to monitor and respond to vario...

journal_title：Journal of bacteriology

authors： Suntharalingam P,Senadheera MD,Mair RW,Lévesque CM,Cvitkovitch DG

更新日期：2009-05-01 00:00:00

abstract：:Haloarchaea in their natural environment are exposed to hypersalinity, intense solar radiation, and desiccation, all of which generate high levels of oxidative stress. Previous work has shown that haloarchaea are an order of magnitude more resistant to oxidative stress than most mesophilic organisms. Despite this resi...

journal_title：Journal of bacteriology

authors： Gelsinger DR,DiRuggiero J

更新日期：2018-04-09 00:00:00

abstract：:A 22.4-kilobase DNA fragment containing the tmrA7-amyR2-amyE+-tmrB+-aroI+ region of the Bacillus subtilis N7 chromosomal DNA was cloned into a recombinant B. subtilis bacteriophage, p11-AA248. The amyE+-tmrB+ gene region, approximately 12.6 kilobases, in the phage genome was amplified in a tunicamycin-resistant (Tmr) ...

journal_title：Journal of bacteriology

authors： Furusato T,Takano J,Yamane K,Hashiguchi K,Tanimoto A,Mori M,Yoda K,Yamasaki M,Tamura G

更新日期：1986-02-01 00:00:00

abstract：:The enzyme diversity of the cellulolytic system produced by Clostridium cellulolyticum grown on crystalline cellulose as a sole carbon and energy source was explored by two-dimensional electrophoresis. The cellulolytic system of C. cellulolyticum is composed of at least 30 dockerin-containing proteins (designated cell...

journal_title：Journal of bacteriology

authors： Blouzard JC,Bourgeois C,de Philip P,Valette O,Bélaïch A,Tardif C,Bélaïch JP,Pagès S

更新日期：2007-03-01 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：:A temperature-sensitive Schizosaccharomyces pombe mutant, cdc16-116, has been isolated which undergoes uncontrolled septation during its cell division cycle. The mutant accumulates two types of cells after 3 h of growth at the restrictive temperature: (i) type I cells (85% of the population), which complete nuclear di...

journal_title：Journal of bacteriology

authors： Minet M,Nurse P,Thuriaux P,Mitchison JM

更新日期：1979-01-01 00:00:00

abstract：:The par genes of unit-copy plasmids P1 and F promote equitable distribution of plasmid copies to daughter cells and can be considered to be functional analogs of eucaryotic centromeres. Composite plasmids were constructed which carry either two functional P1 par regions or one F and one P1 region. Unlike dicentric chr...

journal_title：Journal of bacteriology

authors： Austin SJ

更新日期：1984-05-01 00:00:00

abstract：:Undecyl acetate esterase has been purified from Pseudomonas cepacia grown on the methyl ketone, 2-tridecanone. The K(m) for undecyl acetate was 2.3 x 10(-2) M. Polyacrylamide gel electrophoresis indicated that two esterase bands were being recovered during purification. These bands were separated by preparative polyac...

journal_title：Journal of bacteriology

authors： Shum AC,Markovetz AJ

更新日期：1974-06-01 00:00:00

abstract：:This work describes the draft genome sequence of Lactococcus garvieae DCC43. The 2.2-Mb draft genome contains 2,227 predicted protein-coding genes, among which is a region encoding the bacteriocin garvicin ML. No antibiotic resistance genes or capsule-related virulence genes were identified. Two plasmid replication re...

journal_title：Journal of bacteriology

authors： Gabrielsen C,Brede DA,Hernández PE,Nes IF,Diep DB

更新日期：2012-12-01 00:00:00

abstract：:We used cells carrying plasmids causing the overproduction of Gln3p, Ure2p, or both of these proteins to elucidate the ability of Ure2p to prevent the activation of gene expression by Gln3p in cells growing in a glutamine-containing medium. Our results indicate that Ure2p probably does not interfere with the binding o...

journal_title：Journal of bacteriology

authors： Blinder D,Coschigano PW,Magasanik B

更新日期：1996-08-01 00:00:00

abstract：:The ferric enterobactin (FeEnt) receptor CfrA is present in the majority of Campylobacter jejuni isolates and is responsible for high-affinity iron acquisition. Our recent work and that of others strongly suggested the existence of another FeEnt uptake system in Campylobacter. Here we have identified and characterized...

journal_title：Journal of bacteriology

authors： Xu F,Zeng X,Haigh RD,Ketley JM,Lin J

更新日期：2010-09-01 00:00:00

abstract：:The effect of a mutation in luxI (autoinducer synthetase gene) on transcription of luxR in the cloned Vibrio fischeri lux system (luxR, luxICDABE) was examined in Escherichia coli. For the luxI mutant, transcription from the luxR promoter (monitored with beta-galactosidase levels from a luxR::lacZ fusion, with LuxR su...

journal_title：Journal of bacteriology

authors： Dunlap PV,Ray JM

更新日期：1989-06-01 00:00:00

abstract：:Three groups of linked markers were mapped in Bacillus thuringiensis 4042B by using two-, three-, and four-factor crosses mediated by the temperate bacteriophages TP-13 and TP-18. The order of markers was (trp-11, trp-2)-(leu-1, leu-2)-his-1-(lys-1, lys-2)-cys-1 in the first group; met-1-(argCl, argOl)-met-2-(pyr-1, p...

journal_title：Journal of bacteriology

authors： Barsomian GD,Robillard NJ,Thorne CB

更新日期：1984-03-01 00:00:00

abstract：:The diphtheria toxin repressor (DtxR) of Corynebacterium diphtheriae uses Fe(2+) as a corepressor. Holo-DtxR inhibits transcription from the iron-regulated promoters (IRPs) designated IRP1 through IRP5 as well as from the promoters for the tox and hmuO genes. DtxR binds to 19-bp operators with the consensus sequence 5...

journal_title：Journal of bacteriology

authors： Lee JH,Holmes RK

更新日期：2000-01-01 00:00:00

abstract：:The current work by Jain et al. (S. Jain, A. M. Chang, M. Singh, J. S. McLean, et al., J Bacteriol 201:e00683-18, 2019, https://doi.org/10.1128/JB.00683-18) reports the cloning of the lipid A deacylase gene of Porphyromonas gingivalis and the phenotypic characterization of the enzyme. Attempts to clone the gene and th...

journal_title：Journal of bacteriology

authors： Progulske-Fox A

更新日期：2019-05-08 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

abstract：:To study the role of the cis-acting element(s) in controlling the expression of the cytochrome P450(BM-1) gene and its upstream regulatory gene, bm1P1, in Bacillus megaterium, various deletion derivatives were constructed. A 53-bp inverted repeat located midway between the P450(BM-1) gene and bm1P1 gene was found in v...

journal_title：Journal of bacteriology

authors： Shaw GC,Sung CC,Liu CH,Kao HS

更新日期：1997-01-01 00:00:00

abstract：:We have developed a general method for determining whether a gene of Escherichia coli is essential for viability. The method requires cloned DNA spanning the gene in question and a reasonably detailed genetic and physical map of the cloned segment. Using this information, one constructs a deletion of the target gene i...

journal_title：Journal of bacteriology

authors： Joyce CM,Grindley ND

更新日期：1984-05-01 00:00:00

abstract：:The RNA polymerase (RNAP) binding protein A (RbpA) contributes to the formation of stable RNAP-promoter open complexes (RPo) and is essential for viability in mycobacteria. Four domains have been identified in the RbpA protein, i.e., an N-terminal tail (NTT) that interacts with RNAP β' and σ subunits, a core domain (C...

journal_title：Journal of bacteriology

authors： Prusa J,Jensen D,Santiago-Collazo G,Pope SS,Garner AL,Miller JJ,Ruiz Manzano A,Galburt EA,Stallings CL

更新日期：2018-06-11 00:00:00

abstract：:The light organ of the squid Euprymna scolopes is specifically colonized to a high density by the marine bacterium Vibrio fischeri. To date, only a few factors contributing to the specificity of this symbiosis have been identified. Using a genetic screen for random transposon mutants defective in initiating the symbio...

journal_title：Journal of bacteriology

authors： Visick KL,Skoufos LM

更新日期：2001-02-01 00:00:00

abstract：:Atomic force microscopy was used to measure the thickness of air-dried, collapsed murein sacculi from Escherichia coli K-12 and Pseudomonas aeruginosa PAO1. Air-dried sacculi from E. coli had a thickness of 3.0 nm, whereas those from P. aeruginosa were 1.5 nm thick. When rehydrated, the sacculi of both bacteria swelle...

journal_title：Journal of bacteriology

authors： Yao X,Jericho M,Pink D,Beveridge T

更新日期：1999-11-01 00:00:00

abstract：:Extracellular secretion of Serratia marcescens nuclease occurs as a two-step process via a periplasmic intermediate. Unlike other extracellular proteins secreted by gram-negative bacteria by the general secretory pathway, nuclease accumulates in the periplasm in its active form for an unusually long time before its ex...

journal_title：Journal of bacteriology

authors： Suh Y,Benedik MJ

更新日期：1997-02-01 00:00:00

abstract：:Upon prolonged exposure to cholate and other toxic compounds, Lactococcus lactis develops a multidrug resistance phenotype that has been attributed to an elevated expression of the heterodimeric ABC-type multidrug transporter LmrCD. To investigate the molecular basis of bile acid resistance in L. lactis and to evaluat...

journal_title：Journal of bacteriology

authors： Zaidi AH,Bakkes PJ,Lubelski J,Agustiandari H,Kuipers OP,Driessen AJ

更新日期：2008-11-01 00:00:00

abstract：:Knaysi, Georges (Cornell University, Ithaca, N.Y.). Effect of temperature on the rate of germination in Bacillus cereus. J. Bacteriol. 87:619-622. 1964.-By use of the change of the spores from bright to dark, when observed in dark contrast with a phase microscope, as a criterion for the incipience (first stage) of ger...

journal_title：Journal of bacteriology

authors： KNAYSI G

更新日期：1964-03-01 00:00:00

abstract：:The interruption of the sblA gene of Streptomyces lividans was previously shown to lead to relief of glucose repression of the normally strongly glucose-repressed alpha-amylase gene. In addition to this relief, an early entry into stationary phase was observed when cells were grown in a minimal medium containing gluco...

journal_title：Journal of bacteriology

authors： Chouayekh H,Nothaft H,Delaunay S,Linder M,Payrastre B,Seghezzi N,Titgemeyer F,Virolle MJ

更新日期：2007-02-01 00:00:00

abstract：:The alpha-aminoadipate pathway for lysine biosynthesis is present only in fungi. The alpha-aminoadipate reductase (AAR) of this pathway catalyzes the conversion of alpha-aminoadipic acid to alpha-aminoadipic-delta-semialdehyde by a complex mechanism involving two gene products, Lys2p and Lys5p. The LYS2 and LYS5 genes...

journal_title：Journal of bacteriology

authors： Guo S,Evans SA,Wilkes MB,Bhattacharjee JK

更新日期：2001-12-01 00:00:00