CHANGES IN MOUSE PNEUMONITIS AGENT ASSOCIATED WITH DEVELOPMENT OF RESISTANCE TO CHLORTETRACYCLINE.

abstract：:A new class II (Tn3-like) transposable element, designated Tn5401, was recovered from a sporulation-deficient variant of Bacillus thuringiensis subsp. morrisoni EG2158 following its insertion into a recombinant plasmid. Sequence analysis of the insert revealed a 4,837-bp transposon with two large open reading frames, ...

journal_title：Journal of bacteriology

authors： Baum JA

更新日期：1994-05-01 00:00:00

abstract：:A Rhodobacter capsulatus hemC mutant has been isolated and used to show that oxygen regulates the intracellular levels of porphobilinogen. Experiments using a hemB-cat gene fusion demonstrated that oxygen does not transcriptionally regulate hemB transcription. Porphobilinogen synthase activity is not regulated by oxyg...

journal_title：Journal of bacteriology

authors： Biel AJ,Canada K,Huang D,Indest K,Sullivan K

更新日期：2002-03-01 00:00:00

abstract：:The structures of the lipooligosaccharides (LOSs) from Haemophilus ducreyi ITM 5535 and ITM 3147 and a fresh clinical isolate, ACY1, have been investigated. Oligosaccharides were obtained from phenol-water-extracted LOS by mild acid hydrolysis and were studied by methylation analysis, fast atom bombardment and electro...

journal_title：Journal of bacteriology

authors： Schweda EK,Jonasson JA,Jansson PE

更新日期：1995-09-01 00:00:00

abstract：:Evidence from pulse-chase experiments indicates that the outer membrane matrix protein or porin of Escherichia coli B/r passes through a Sarkosyl-soluble membrane pool on the way to its eventual Sarkosyl-insoluble state in the outer membrane. ...

journal_title：Journal of bacteriology

authors： Boyd A,Holland IB

更新日期：1980-09-01 00:00:00

abstract：:Clinical isolates of the fungal respiratory and systemic pathogen Histoplasma capsulatum have been placed in several different classes by using genomic restriction fragment length polymorphisms (RFLPs), but in general have not been distinguished further. We report here that a polymerase chain reaction (PCR)-based DNA ...

journal_title：Journal of bacteriology

authors： Kersulyte D,Woods JP,Keath EJ,Goldman WE,Berg DE

更新日期：1992-11-01 00:00:00

abstract：:The blp locus of a type 6A strain of Streptococcus pneumoniae encodes a two-peptide bacteriocin, pneumocin MN, which mediates intraspecies competition during mouse nasopharyngeal colonization. This locus is regulated by a quorum-sensing mechanism consisting of a dedicated two-component regulatory system and a peptide ...

journal_title：Journal of bacteriology

authors： Dawid S,Sebert ME,Weiser JN

更新日期：2009-03-01 00:00:00

abstract：:Quorum sensing of Sinorhizobium meliloti relies on N-acyl-homoserine lactones (AHLs) as autoinducers. AHL production increases at high population density, and this depends on the AHL synthase SinI and two transcriptional regulators, SinR and ExpR. Our study demonstrates that ectopic expression of the gene rne, coding ...

journal_title：Journal of bacteriology

authors： Baumgardt K,Charoenpanich P,McIntosh M,Schikora A,Stein E,Thalmann S,Kogel KH,Klug G,Becker A,Evguenieva-Hackenberg E

更新日期：2014-04-01 00:00:00

abstract：:Maleylacetate reductase (EC 1.3.1.32) plays a major role in the degradation of chloroaromatic compounds by channelling maleylacetate and some chlorinated derivatives into the 3-oxoadipate pathway. Several substituted maleylacetates were prepared in situ by alkaline or enzymatic hydrolysis of dienelactones as the precu...

journal_title：Journal of bacteriology

authors： Kaschabek SR,Reineke W

更新日期：1995-01-01 00:00:00

abstract：:A protein carboxyl methyltransferase (EC 2.1.1.77) that recognizes age-damaged proteins for potential repair or degradation reactions has been found in all vertebrate tissues and cells examined to date. This enzyme catalyzes the transfer of methyl groups from S-adenosylmethionine to the carboxyl groups of D-aspartyl o...

journal_title：Journal of bacteriology

authors： Li C,Clarke S

更新日期：1992-01-01 00:00:00

abstract：:Gram-negative bacteria acquire ferric siderophores through TonB-dependent outer membrane transporters (TBDT). By fluorescence spectroscopic hgh-throughput screening (FLHTS), we identified inhibitors of TonB-dependent ferric enterobactin (FeEnt) uptake through Escherichia coli FepA (EcoFepA). Among 165 inhibitors found...

journal_title：Journal of bacteriology

authors： Nairn BL,Eliasson OS,Hyder DR,Long NJ,Majumdar A,Chakravorty S,McDonald P,Roy A,Newton SM,Klebba PE

更新日期：2017-04-25 00:00:00

abstract：:Partial purification of a cytochrome bd complex from Azotobacter vinelandii grown under high aeration was achieved by isolating respiratory particles enriched in this hemoprotein via differential centrifugation and detergent extraction. The cytochrome bd complex was subsequently solubilized from the inner membrane wit...

journal_title：Journal of bacteriology

authors： Kolonay JF Jr,Moshiri F,Gennis RB,Kaysser TM,Maier RJ

更新日期：1994-07-01 00:00:00

abstract：:The syrB gene is required for syringomycin production by Pseudomonas syringae pv. syringae and full virulence during plant pathogenesis. Strain B3AR132 containing a syrB::lacZ fusion was used to detect transcriptional activation of the syrB gene in syringomycin minimal medium by plant metabolites with signal activity....

journal_title：Journal of bacteriology

authors： Mo YY,Gross DC

更新日期：1991-09-01 00:00:00

abstract：:Through use of multiply disomic strains, the genes arg1 and arg8 were excluded from all of chromosomes I to XVII except (i) XV and (ii) IX and XV, respectively. Further aneuploid analyses showed that these two genes were on the same chromosome. By tetrad analysis, arg1 was shown to be linked to SUP3 on the left arm of...

journal_title：Journal of bacteriology

authors： Hilger F,Mortimer RK

更新日期：1980-01-01 00:00:00

abstract：:Expression of the tryptophanase (tna) operon of Escherichia coli is regulated by catabolite repression and by tryptophan-induced transcription antitermination at Rho-dependent termination sites in the leader region of the operon. Tryptophan induction is dependent on translation of a short leader peptide coding region,...

journal_title：Journal of bacteriology

authors： Konan KV,Yanofsky C

更新日期：1997-03-01 00:00:00

abstract：:Mycoplasma ovipneumoniae belongs to Mycoplasma, a genus containing the smallest self-replicating microorganisms, and causes infectious pleuropneumonia in goats and sheep. Nucleotide-binding oligomerization domain-containing protein (NOD2), an intracellular pattern recognition receptor, interacts with muramyl dipeptide...

journal_title：Journal of bacteriology

authors： Luo H,Wu X,Xu Z,Hao X,Wang Y,Li M

更新日期：2020-09-23 00:00:00

abstract：:We have evaluated the use of [1,2-13C2]propionate for the analysis of propionic acid metabolism, based on the ability to distinguish between the methylcitrate and methylmalonate pathways. Studies using propionate-adapted Escherichia coli MG1655 cells were performed. Preservation of the 13C-13C-12C carbon skeleton in l...

journal_title：Journal of bacteriology

authors： London RE,Allen DL,Gabel SA,DeRose EF

更新日期：1999-06-01 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：:Fructose uptake and catabolism in Azospirillum brasilense is dependent on three fructose-inducible enzymes (fru-enzymes): (i) enzyme I and (ii) enzyme II of the phosphoenolpyruvate:fructose phosphotransferase system and (iii) 1-phosphofructokinase. In minimal medium containing 3.7 mM succinate and 22 mM fructose as so...

journal_title：Journal of bacteriology

authors： Mukherjee A,Ghosh S

更新日期：1987-09-01 00:00:00

abstract：:Schlissel, Harvey J. (The University of Kansas, Lawrence), and C. P. Sword. Conditions affecting transformation of a group H streptococcus. J. Bacteriol. 92:1357-1363. 1966.-A defined transforming medium (DTM) containing buffer and 5 to 10 mug per ml of deoxyribonucleic acid was developed to study the physical and che...

journal_title：Journal of bacteriology

authors： Schlissel HJ,Sword CP

更新日期：1966-11-01 00:00:00

abstract：:In response to iron limitation, the siderophore enterobactin is synthesized and secreted by Escherichia coli. Its biosynthesis is performed by a series of enzymes encoded by the Ent gene cluster. Among the genes of this cluster, ybdB has not been implicated in enterobactin production to date. We demonstrate here an in...

journal_title：Journal of bacteriology

authors： Leduc D,Battesti A,Bouveret E

更新日期：2007-10-01 00:00:00

abstract：:The pSym megaplasmid of Rhizobium meliloti 2011 mobilized by plasmid RP4, or plasmid pGMI42, an RP4-prime derivative which carries a 290-kilobase pSym fragment including nitrogenase and nod genes, was introduced into Agrobacterium tumefaciens. The resulting transconjugants induced root deformations specifically on the...

journal_title：Journal of bacteriology

authors： Truchet G,Rosenberg C,Vasse J,Julliot JS,Camut S,Denarie J

更新日期：1984-01-01 00:00:00

abstract：:Environmental iron concentrations coordinately regulate transcription of genes involved in iron acquisition and virulence via the ferric uptake regulation (fur) system. We identified and sequenced the fur gene and flanking regions of three Bartonella species. The most notable difference between Bartonella Fur and othe...

journal_title：Journal of bacteriology

authors： Park SY,Kelminson KL,Lee AK,Zhang P,Warner RE,Rehkopf DH,Calderwood SB,Koehler JE

更新日期：2001-10-01 00:00:00

abstract：:A strain of Neurospora crassa defective in amino acid transport can utilize a variety of amino acids for growth when readily metabolizable nitrogen is limiting. Growth is accompanied by the production of an extracellular deaminase that converts the amino acid to its respective keto acid plus equimolar quantities of ut...

journal_title：Journal of bacteriology

authors： DeBusk RM,Ogilvie S

更新日期：1984-08-01 00:00:00

abstract：:In response to DNA damage or the inhibition of normal DNA replication in Escherichia coli, a set of some 20 unlinked operons is induced through the RecA-mediated cleavage of the LexA repressor. We examined the effect of this SOS response on the transposition of Tn5 and determined that the frequency of transposition is...

journal_title：Journal of bacteriology

authors： Weinreich MD,Makris JC,Reznikoff WS

更新日期：1991-11-01 00:00:00

abstract：:Rhodococcus equi is a facultative intracellular opportunistic pathogen of immunocompromised people and a major cause of pneumonia in young horses. An effective live attenuated vaccine would be extremely useful in the prevention of R. equi disease in horses. Toward that end, we have developed an efficient transposon mu...

journal_title：Journal of bacteriology

authors： Ashour J,Hondalus MK

更新日期：2003-04-01 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：:Tectiviridae is a family of tailless bacteriophages with Gram-negative and Gram-positive hosts. The family model PRD1 and its close relatives all infect a broad range of enterobacteria by recognizing a plasmid-encoded conjugal transfer complex as a receptor. In contrast, tectiviruses with Gram-positive hosts are highl...

journal_title：Journal of bacteriology

authors： Kan S,Fornelos N,Schuch R,Fischetti VA

更新日期：2013-10-01 00:00:00

abstract：:Genes involved in allose utilization of Escherichia coli K-12 are organized in at least two operons, alsRBACE and alsI, located next to each other on the chromosome but divergently transcribed. Mutants defective in alsI (allose 6-phosphate isomerase gene) and alsE (allulose 6-phosphate epimerase gene) were Als(-). Tra...

journal_title：Journal of bacteriology

authors： Poulsen TS,Chang YY,Hove-Jensen B

更新日期：1999-11-01 00:00:00

abstract：:Many bacterial species produce capsular polysaccharides that contribute to pathogenesis through evasion of the host innate immune system. The gram-positive pathogen Enterococcus faecalis was previously reported to produce one of four capsule serotypes (A, B, C, or D). Previous studies describing the four capsule serot...

journal_title：Journal of bacteriology

authors： Thurlow LR,Thomas VC,Hancock LE

更新日期：2009-10-01 00:00:00

abstract：:Oleandomycin, a macrolide antibiotic produced by Streptomyces antibioticus, contains two sugars attached to the aglycon: L-oleandrose and D-desosamine. oleY codes for a methyltransferase involved in the biosynthesis of L-oleandrose. This gene was overexpressed in Escherichia coli to form inclusion bodies and in Strept...

journal_title：Journal of bacteriology

authors： Rodríguez L,Rodríguez D,Olano C,Braña AF,Méndez C,Salas JA

更新日期：2001-09-01 00:00:00