Properties of two cyclic nucleotide-deficient mutants of Neurospora crassa.

abstract：:Genetic and biochemical evidence was obtained for lysine catabolism via cadaverine and delta-aminovalerate in both the beta-lactam producer Streptomyces clavuligerus and the nonproducer Streptomyces lividans. This pathway is used when lysine is supplied as the sole source of nitrogen for the organism. A second pathway...

journal_title：Journal of bacteriology

authors： Madduri K,Stuttard C,Vining LC

更新日期：1989-01-01 00:00:00

abstract：:Analyses of Rhizobium meliloti trp auxotrophs suggest that anthranilate biosynthesis by the R. meliloti trpE(G) gene product is necessary during nodule development for establishment of an effective symbiosis. trpE(G) mutants, as well as mutants blocked earlier along this pathway in aromatic amino acid biosynthesis, fo...

journal_title：Journal of bacteriology

authors： Barsomian GD,Urzainqui A,Lohman K,Walker GC

更新日期：1992-07-01 00:00:00

abstract：:An apparatus has been developed in which bacterial growth can be measured very precisely over short intervals of time. Its precision is presented and used to assess the constancy of growth in batch culture. Under certain conditions, i.e., Luria broth or 0.2% glucose-M9 medium at very low cell densities, the specific g...

journal_title：Journal of bacteriology

authors： Wang CH,Koch AL

更新日期：1978-12-01 00:00:00

abstract：:Proteins encoded by plasmid DNA are specifically labeled in UV-irradiated cells of Escherichia coli carrying recA and uvrA mutations because extensive degradation of the chromosome DNA occurs concurrently with amplification of plasmid DNA. ...

journal_title：Journal of bacteriology

authors： Sancar A,Hack AM,Rupp WD

更新日期：1979-01-01 00:00:00

abstract：:The bacterial phosphoenolpyruvate phosphotransferase system (PTS) is a highly conserved phosphotransfer cascade that participates in the transport and phosphorylation of selected carbohydrates and modulates many cellular functions in response to carbohydrate availability. It plays a role in the virulence of many bacte...

journal_title：Journal of bacteriology

authors： Houot L,Chang S,Pickering BS,Absalon C,Watnick PI

更新日期：2010-06-01 00:00:00

abstract：:We have previously cloned the genes for synthesis of capsular polysaccharide (cps) and slime from Erwinia stewartii in cosmid pES2144. In this study, pES2144 was shown to complement 14 spontaneous cps mutants. These mutants were characterized by probing Southern blots of mutant genomic DNA with pES2144; insertions wer...

journal_title：Journal of bacteriology

authors： Dolph PJ,Majerczak DR,Coplin DL

更新日期：1988-02-01 00:00:00

abstract：:The secondary metabolite hydrogen cyanide (HCN) is produced by Pseudomonas fluorescens from glycine, essentially under microaerophilic conditions. The genetic basis of HCN synthesis in P. fluorescens CHA0 was investigated. The contiguous structural genes hcnABC encoding HCN synthase were expressed from the T7 promoter...

journal_title：Journal of bacteriology

authors： Laville J,Blumer C,Von Schroetter C,Gaia V,Défago G,Keel C,Haas D

更新日期：1998-06-01 00:00:00

abstract：:The ribosomal proteins from nine species of prokaryotes have been compared by polyacrylamide gel electrophoresis in the presence of sodium dodecyl sulfate. The stained gels were scanned spectrophotometrically, the weight and number average molecular weights were calculated, and the detailed distribution of the protein...

journal_title：Journal of bacteriology

authors： Sun TT,Bickle TA,Traut RR

更新日期：1972-08-01 00:00:00

abstract：:The gram-positive, thermophilic, acetogenic bacterium Moorella thermoacetica can reduce CO2 to acetate via the Wood-Ljungdahl (acetyl coenzyme A synthesis) pathway. This report demonstrates that, despite its classification as a strict anaerobe, M. thermoacetica contains a membrane-bound cytochrome bd oxidase that can ...

journal_title：Journal of bacteriology

authors： Das A,Silaghi-Dumitrescu R,Ljungdahl LG,Kurtz DM Jr

更新日期：2005-03-01 00:00:00

abstract：:Video techniques were used to record changes in motility of cells of Streptococcus sp. strain V4051 exposed to a variety of protein modification reagents. Starved cells were tethered to glass by a single flagellum, energized metabolically with glucose, or treated with valinomycin and energized artificially via shifts ...

journal_title：Journal of bacteriology

authors： Conley MP,Berg HC

更新日期：1984-06-01 00:00:00

abstract：:Accumulation of abnormal proteins in cells of bacteria or eukaryotes can induce synthesis of a set of heat shock proteins. We examined such induction following addition of azetidine (a proline analog) or synthesis of a heterologous protein (human prourokinase) in Escherichia coli. Synthesis of heat shock proteins unde...

journal_title：Journal of bacteriology

authors： Kanemori M,Mori H,Yura T

更新日期：1994-09-01 00:00:00

abstract：:Enterohemorrhagic Escherichia coli (EHEC) O157:H7 is responsible for worldwide outbreaks of bloody diarrhea, hemorrhagic colitis, and life-threatening hemolytic uremic syndrome. After colonizing the large intestine, EHEC forms attaching and effacing (AE) lesions on intestinal epithelial cells. These lesions cause dest...

journal_title：Journal of bacteriology

authors： Reading NC,Torres AG,Kendall MM,Hughes DT,Yamamoto K,Sperandio V

更新日期：2007-03-01 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：:The antiadaptor protein IraD inhibits the proteolysis of the alternative sigma factor, RpoS, which promotes the synthesis of >100 genes during the general stress response and during stationary phase. Our previous results showed that IraD determines RpoS steady-state levels during exponential growth and mediates its st...

journal_title：Journal of bacteriology

authors： Merrikh H,Ferrazzoli AE,Lovett ST

更新日期：2009-12-01 00:00:00

abstract：:Smith, P. B. (Communicable Disease Center, Atlanta, Ga.). Growth of staphylococci on mercuric chloride agar. J. Bacteriol. 84:1016-1019. 1962.-An attempt has been made to corroborate a report that "epidemic" strains of staphylococci are more resistant to mercuric salts than are "nonepidemic" strains. A comparison of m...

journal_title：Journal of bacteriology

authors： SMITH PB

更新日期：1962-11-01 00:00:00

abstract：:Tests for utilization of d-octopine and nopaline in defined media containing a carbon and nitrogen source were made on 60 strains of Agrobacterium representing four species and on a representative of each of five species of Rhizobium. Among 46 virulent strains of Agrobacterium, only two strains were found which utiliz...

journal_title：Journal of bacteriology

authors： Lippincott JA,Beiderbeck R,Lippincott BB

更新日期：1973-10-01 00:00:00

abstract：:Enterohemorrhagic Escherichia coli (EHEC) O157:H7 responds to the host-produced epinephrine and norepinephrine, and bacterially produced autoinducer 3 (AI-3), through two-component systems. Further integration of multiple regulatory signaling networks, involving regulators such as the LysR-type transcriptional regulat...

journal_title：Journal of bacteriology

authors： Habdas BJ,Smart J,Kaper JB,Sperandio V

更新日期：2010-07-01 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：:trpG of Bacillus subtilis encodes a glutamine amidotransferase subunit that is involved in the synthesis of both folic acid and L-tryptophan. Expression of trpG is negatively regulated by tryptophan even though this gene is located within a folic acid biosynthetic operon. Examination of both transcriptional and transl...

journal_title：Journal of bacteriology

authors： Yang M,de Saizieu A,van Loon AP,Gollnick P

更新日期：1995-08-01 00:00:00

abstract：:Mutants of Bacillis subtilis that are temperature sensitive for RNA synthesis during sporulation were isolated after selection with a 32P suicide agent. Whole-genome sequencing revealed that two of the mutants carried an identical lesion in the rsbU gene, which encodes a phosphatase that indirectly activates SigB, the...

journal_title：Journal of bacteriology

authors： Rothstein DM,Lazinski D,Osburne MS,Sonenshein AL

更新日期：2017-06-27 00:00:00

abstract：:As part of an analysis of the conjugative transfer genes associated with the expression of F pili by plasmid F, we have investigated the physical location of the traC and traW genes. We found that plasmid clones carrying a 2.95-kilobase EcoRI-EcoRV F transfer operon fragment were able to complement transfer of F lac t...

journal_title：Journal of bacteriology

authors： Maneewannakul S,Kathir P,Moore D,Le LA,Wu JH,Ippen-Ihler K

更新日期：1987-11-01 00:00:00

abstract：:A method consisting of sodium dodecyl sulfate-polyacrylamide gel electrophoresis and subsequent detection of endoglucanases by blotting with a polyclonal antibody against endoglucanase I was used to investigate the effect of induction and carbon catabolite derepression on the synthesis of multiple forms of endoglucana...

journal_title：Journal of bacteriology

authors： Messner R,Gruber F,Kubicek CP

更新日期：1988-08-01 00:00:00

abstract：:Two key elements that are thought to be required for replication initiation in eubacteria are the DnaA protein, a trans-acting factor, and the replication origin, a cis-acting element. As a first step in studying the replication initiation process in mycobacteria, we have isolated a 4-kb chromosomal DNA fragment from ...

journal_title：Journal of bacteriology

authors： Rajagopalan M,Qin MH,Nash DR,Madiraju MV

更新日期：1995-11-01 00:00:00

abstract：:Carbon catabolite repression (CCR) allows bacteria to alter metabolism in response to the availability of specific sugar sources, and increasing evidence suggests that CCR is involved in regulating virulence gene expression in many pathogens. A scan of the M1 SF370 group A streptococcus (GAS) genome using a Bacillus s...

journal_title：Journal of bacteriology

authors： Almengor AC,Kinkel TL,Day SJ,McIver KS

更新日期：2007-12-01 00:00:00

abstract：:To examine the role of the amino acid residues (between positions 258 and 275 and positions 297 and 298) of the alpha-subunit of RNA polymerase in TyrR-mediated activation of the mtr promoter, we have carried out in vitro transcription experiments using a set of mutant RNA polymerases with a supercoiled mtr template. ...

journal_title：Journal of bacteriology

authors： Yang J,Murakami K,Camakaris H,Fujita N,Ishihama A,Pittard AJ

更新日期：1997-10-01 00:00:00

abstract：:A cosmid vector has been constructed, using a lambda replicon. A library of cosmids from Anabaena variabilis ATCC 29413 based on use of this vector is shown to be highly deficient in sites for the two type II restriction endonucleases found in that organism. ...

journal_title：Journal of bacteriology

authors： Herrero A,Elhai J,Hohn B,Wolk CP

更新日期：1984-11-01 00:00:00

abstract：:The SOS response to DNA damage in bacteria is a well-known component of the complex transcriptional responses to genotoxic environmental stresses such as exposure to reactive oxygen species, alkylating agents, and many of the antibiotics targeting DNA replication. However, bacteria such as Bacillus subtilis also respo...

journal_title：Journal of bacteriology

authors： Hoover SE,Xu W,Xiao W,Burkholder WF

更新日期：2010-08-01 00:00:00

abstract：:In this report, we show that biofilm formation by Streptococcus pneumoniae serotype 19 gives rise to variants (the small mucoid variant [SMV] and the acapsular small-colony variant [SCV]) differing in capsule production, attachment, and biofilm formation compared to wild-type strains. All biofilm-derived variants harb...

journal_title：Journal of bacteriology

authors： Allegrucci M,Sauer K

更新日期：2008-10-01 00:00:00

abstract：:Different electron carriers of the non-desulfoviridin-containing, sulfate-reducing bacterium Desulfovibrio desulfuricans (Norway strain) have been studied. Two nonheme iron proteins, ferredoxin and rubredoxin, have been purified. This ferredoxin contains four atoms of non-heme iron and acid-labile sulfur and six resid...

journal_title：Journal of bacteriology

authors： Bruschi M,Hatchikian CE,Golovleva LA,Gall JL

更新日期：1977-01-01 00:00:00

abstract：:Rotation of the bacterial flagellar motor is powered by a transmembrane gradient of protons or, in some species, sodium ions. The molecular mechanism of coupling between ion flow and motor rotation is not understood. The proteins most closely involved in motor rotation are MotA, MotB, and FliG. MotA and MotB are trans...

journal_title：Journal of bacteriology

authors： Zhou J,Sharp LL,Tang HL,Lloyd SA,Billings S,Braun TF,Blair DF

更新日期：1998-05-01 00:00:00