Anaerobic regulation of the hydrogenase 1 (hya) operon of Escherichia coli.

abstract：:The extracellular chlamydial infectious particle, or elementary body (EB), is enveloped by an intra- and intermolecular cysteine cross-linked protein shell called the chlamydial outer membrane complex (COMC). A few abundant proteins, including the major outer membrane protein and cysteine-rich proteins (OmcA and OmcB)...

journal_title：Journal of bacteriology

authors： Liu X,Afrane M,Clemmer DE,Zhong G,Nelson DE

更新日期：2010-06-01 00:00:00

abstract：:After UV irradiation, Escherichia coli uvrA mutant cells show higher survival on minimal than on rich growth medium, i.e., they show minimal-medium recovery. This effect of rich growth medium on survival is not observed in a uvrA mutant carrying an mmrA1 mutation, and the uvrA mmrA strain showed the same survival rate...

journal_title：Journal of bacteriology

authors： Sharma RC,Sargentini NJ,Smith KC

更新日期：1983-05-01 00:00:00

abstract：:Renaturable regions in the DNA strands of the N group plasmid pCU1 have been visualized as stem-loop structures by electron microscopy. Four such distinct structures are described, the smallest of which is within the loop of a larger one. The region of pCU1 in which these structures occur has several restriction sites...

journal_title：Journal of bacteriology

authors： Konarska-Kozlowska M,Thatte V,Iyer VN

更新日期：1983-03-01 00:00:00

abstract：:Under anaerobic conditions, Klebsiella pneumoniae reduced nitrite (NO2-), yielding nitrous oxide (N2O) and ammonium ions (NH4+) as products. Nitrous oxide formation accounted for about 5% of the total NO2- reduced, and NH4+ production accounted for the remainder. Glucose and pyruvate were the electron donors for NO2- ...

journal_title：Journal of bacteriology

authors： Satoh T,Hom SS,Shanmugam KT

更新日期：1983-08-01 00:00:00

abstract：:The double-stranded DNA bacteriophage PRD1 uses an IncP plasmid-encoded conjugal transfer complex as a receptor. Plasmid functions in the PRD1 life cycle are restricted to phage adsorption and DNA entry. A single phage structural protein, P2, located at the fivefold capsid vertices, is responsible for PRD1 attachment ...

journal_title：Journal of bacteriology

authors： Grahn AM,Caldentey J,Bamford JK,Bamford DH

更新日期：1999-11-01 00:00:00

abstract：:The salmonellae are a diverse group of bacteria within the family Enterobacteriaceae that includes two species, Salmonella enterica and Salmonella bongori. In order to characterize the phylogenetic relationships of the species and subspecies of Salmonella, we analyzed four housekeeping genes, gapA, phoP, mdh and recA,...

journal_title：Journal of bacteriology

authors： McQuiston JR,Herrera-Leon S,Wertheim BC,Doyle J,Fields PI,Tauxe RV,Logsdon JM Jr

更新日期：2008-11-01 00:00:00

abstract：:The hook-basal body complex of Salmonella typhimurium, a major component of its flagellar apparatus, was subjected to detailed analysis by electron microscopy and gel electrophoresis. The study was facilitated by the development of an improved protocol for isolation of the complexes in high yield and purity. Nine prot...

journal_title：Journal of bacteriology

authors： Aizawa SI,Dean GE,Jones CJ,Macnab RM,Yamaguchi S

更新日期：1985-03-01 00:00:00

abstract：:Deibel, R. H. (American Meat Institute Foundation, Chicago, Ill.). Hydrolysis of proteins and nucleic acids by Lancefield group A and other streptococci. J. Bacteriol. 86:1270-1274. 1963.-Classically, group A streptococci have been considered to be nonproteolytic in spite of the observation that a proteinase is produc...

journal_title：Journal of bacteriology

authors： DEIBEL RH

更新日期：1963-12-01 00:00:00

abstract：:Piliated, competent gonococci are known to preferentially take up homologous transforming DNA into the cell. We examined the mechanism for DNA uptake with pFA10, a hybrid 11.5-kilobase (kb) penicillin-resistant (Pcr) plasmid composed of heterologous DNA from a 7.2-kb Pcr plasmid and homologous DNA from a 4.2-kb gonoco...

journal_title：Journal of bacteriology

authors： Graves JF,Biswas GD,Sparling PF

更新日期：1982-12-01 00:00:00

abstract：:The kinA (spoIIJ) locus contains a single gene which codes for a protein of 69,170 daltons showing strong homology to the transmitter kinases of two component regulatory systems. The purified kinase autophosphorylates in the presence of ATP and mediates the transfer of phosphate to the Spo0A and Spo0F sporulation regu...

journal_title：Journal of bacteriology

authors： Perego M,Cole SP,Burbulys D,Trach K,Hoch JA

更新日期：1989-11-01 00:00:00

abstract：:The genetic transformation mutant Rd(DB117)rec- has a pleiotropic phenotype that includes reduced levels of phage recombination. Physical mapping experiments showed that this strain has a 78.5-kbp insertion in the rec-2 gene. The rec-2 dependence of phage recombination was reexamined to determine whether the defective...

journal_title：Journal of bacteriology

authors： Kupfer DM,McCarthy D

更新日期：1992-08-01 00:00:00

abstract：:Virus-host interactions are regulated by complex coevolutionary dynamics. In Streptococcus pneumoniae, phase-variable type I restriction-modification (R-M) systems are part of the core genome. We hypothesized that the ability of the R-M systems to switch between six target DNA specificities also has a key role in prev...

journal_title：Journal of bacteriology

authors： Furi L,Crawford LA,Rangel-Pineros G,Manso AS,De Ste Croix M,Haigh RD,Kwun MJ,Engelsen Fjelland K,Gilfillan GD,Bentley SD,Croucher NJ,Clokie MR,Oggioni MR

更新日期：2019-09-06 00:00:00

abstract：:Streptomyces sp. strain HK803 produces six analogues of phoslactomycin (Plm A through Plm F). With the exception of Plm B, these analogues contain a C-18 hydroxyl substituent esterified with a range of short-alkyl-chain carboxylic acids. Deletion of the plmS(2) open reading frame (ORF), showing high sequence similarit...

journal_title：Journal of bacteriology

authors： Ghatge MS,Reynolds KA

更新日期：2005-12-01 00:00:00

abstract：:Penicillin-binding protein 2 (PBP-2) of Escherichia coli K-12 was purified by covalent affinity chromatography using 6-aminopenicillanic acid covalently coupled to carboxymethyl-Sepharose (6-APA-CM-Sepharose). Purification of PBP-2 was accomplished by prebinding the methoxy cephalosporin, cefoxitin, to the Triton X-10...

journal_title：Journal of bacteriology

authors： Curtis SJ,Strominger JL

更新日期：1981-01-01 00:00:00

abstract：:The upper operon of the TOL plasmid pWW0 of Pseudomonas putida encodes a set of enzymes which transform toluene and xylenes to benzoate and toluates. The genetic organization of the operon was characterized by cloning of the upper operon genes into an expression vector and identification of their products in Escherich...

journal_title：Journal of bacteriology

authors： Harayama S,Rekik M,Wubbolts M,Rose K,Leppik RA,Timmis KN

更新日期：1989-09-01 00:00:00

abstract：:Twenty-four Lactobacillus plantarum supermotifs (LPSMs) with lengths from approximately 800 to 1,000 nucleotides were identified in the L. plantarum genome. LPSMs were conserved in other L. plantarum strains but not in other species. Secondary structure analysis predicted that LPSMs may fold into cruciform-like struct...

journal_title：Journal of bacteriology

authors： Wels M,Bongers RS,Boekhorst J,Molenaar D,Sturme M,de Vos WM,Siezen RJ,Kleerebezem M

更新日期：2009-05-01 00:00:00

abstract：:Cells of the Escherichia coli dnaE(Ts) dnaE74 and dnaE486 mutants die after 4 h of incubation at 40 degrees C in Luria-Bertani medium. Cell death is preceded by elongation, is inhibited by chloramphenicol, tetracycline, or rifampin, and is dependent on cell density. Cells survive at 40 degrees C when they are incubate...

journal_title：Journal of bacteriology

authors： Strauss B,Kelly K,Dincman T,Ekiert D,Biesieda T,Song R

更新日期：2004-04-01 00:00:00

abstract：:The 2,760-base-pair (bp) PstI-EcoRI segment of the chromosome of Pseudomonas aeruginosa PA103 which carries the exotoxin A structural gene was expressed from an internal promoter when cloned in a pUC9 derivative and transformed into a nontoxigenic mutant of P. aeruginosa PAO1. The unique terminal EcoRI site was delete...

journal_title：Journal of bacteriology

authors： Tsaur ML,Clowes RC

更新日期：1989-05-01 00:00:00

abstract：:Upon incubation of Agrobacterium tumefaciens A348 with acetosyringone, the vir genes encoded by the Ti (tumor-inducing) plasmid are induced. The addition of certain opines, including octopine, nopaline, leucinopine, and succinamopine, enhanced this induction 2- to 10-fold. The compounds mannopine, acetopine, arginine,...

journal_title：Journal of bacteriology

authors： Veluthambi K,Krishnan M,Gould JH,Smith RH,Gelvin SB

更新日期：1989-07-01 00:00:00

abstract：:PcsB is a protein of unknown function that plays a critical role in cell division in Streptococcus pneumoniae and other ovococcus species of Streptococcus. We constructed isogenic sets of mutants expressing different amounts of PcsB in laboratory strain R6 and virulent serotype 2 strain D39 to evaluate its cellular ro...

journal_title：Journal of bacteriology

authors： Barendt SM,Land AD,Sham LT,Ng WL,Tsui HC,Arnold RJ,Winkler ME

更新日期：2009-05-01 00:00:00

abstract：:Pyrazinamide (PZA) is an important antituberculosis drug. Unlike most antibacterial agents, PZA, despite its remarkable in vivo activity, has no activity against Mycobacterium tuberculosis in vitro except at an acidic pH. M. tuberculosis is uniquely susceptible to PZA, but other mycobacteria as well as nonmycobacteria...

journal_title：Journal of bacteriology

authors： Zhang Y,Scorpio A,Nikaido H,Sun Z

更新日期：1999-04-01 00:00:00

abstract：:The skin represents an important barrier for pathogens and is known to produce fatty acids that are toxic toward gram-positive bacteria. A screen of fatty acids as growth inhibitors of Staphylococcus aureus revealed structure-specific antibacterial activity. Fatty acids like oleate (18:1Δ9) were nontoxic, whereas palm...

journal_title：Journal of bacteriology

authors： Parsons JB,Yao J,Frank MW,Jackson P,Rock CO

更新日期：2012-10-01 00:00:00

abstract：:Derivatives of Pseudomonas sp. B13 which had acquired the capability to utilize 4-chloro- and 3,5-dichlorobenzoate as a consequence of the introduction of genes of the TOL plasmid of Pseudomonas putida mt-2 were studied. The utilization of these substrates, a property not shared by the parent strains, was shown to dep...

journal_title：Journal of bacteriology

authors： Reineke W,Knackmuss HJ

更新日期：1980-05-01 00:00:00

abstract：:Aerobic gram-negative methylotrophs oxidize methanol to formaldehyde by using a methanol dehydrogenase that has pyrroloquinoline quinone (PQQ) as a prosthetic group. Seventy-two mutants which are unable to grow on methanol unless the growth medium is supplemented with PQQ have been isolated in the facultative methanol...

journal_title：Journal of bacteriology

authors： Morris CJ,Biville F,Turlin E,Lee E,Ellermann K,Fan WH,Ramamoorthi R,Springer AL,Lidstrom ME

更新日期：1994-03-01 00:00:00

abstract：:The csgA gene produces an intercellular signal during fruiting body formation of the myxobacterium Myxococcus xanthus. Sporulating pseudorevertants were isolated to allow us to understand the mechanism by which CsgA is perceived by cells and used to regulate developmental gene expression. Two strains, LS559 and LS560,...

journal_title：Journal of bacteriology

authors： Lee K,Shimkets LJ

更新日期：1994-04-01 00:00:00

abstract：:Mycoplasmas isolated from simian (Cercopithecus aethiops) tissues were shown to have biological, biochemical, and serological properties and electrophoretic cell protein patterns similar to strain Navel isolated from man 15 years ago. The simian and human Navel strains comprised a single serogroup, distinct from the e...

journal_title：Journal of bacteriology

authors： DelGiudice RA,Carski TR,Barile MF,Lemcke RM,Tully JG

更新日期：1971-10-01 00:00:00

abstract：:The 6th American Society for Microbiology Conference on Cell-Cell Communication in Bacteria convened from 16 to 19 October 2017 in Athens, GA. In this minireview, we highlight some of the research presented at that meeting that addresses central questions emerging in the field, including the following questions. How a...

journal_title：Journal of bacteriology

authors： Brown SP,Blackwell HE,Hammer BK

更新日期：2018-06-25 00:00:00

abstract：:Vibrio vulnificus is a human pathogen that produces lethal septicemia in susceptible persons, and the primary virulence factor for this organism is capsular polysaccharide (CPS). The role of the capsule in V. vulnificus biofilms was examined under a variety of conditions, by using either defined CPS mutants or spontan...

journal_title：Journal of bacteriology

authors： Joseph LA,Wright AC

更新日期：2004-02-01 00:00:00

abstract：:Phosphotransacetylase and acetate kinase catalyze the activation of acetate to acetyl coenzyme A in the first step of methanogenesis from acetate in Methanosarcina thermophila. The genes encoding these enzymes (pta and ack) have been cloned and sequenced. They are arranged on the chromosome with pta upstream of ack (M...

journal_title：Journal of bacteriology

authors： Singh-Wissmann K,Ferry JG

更新日期：1995-04-01 00:00:00

abstract：:Glutamine phosphoribosylpyrophosphate amidotransferase is stable in growing cells, but is inactivated in an oxygen-dependent process at various rates in starving or antibiotic-treated cells. On the basis of studies of the purified enzyme, we suggested (D.A. Bernlohr and R.L. Switzer, Biochemistry 20:5675-5681, 1981) t...

journal_title：Journal of bacteriology

authors： Bernlohr DA,Switzer RL

更新日期：1983-02-01 00:00:00