Metabolic regulation by homoserine in Escherichia coli B-r.

abstract：:Deletion mutagenesis analysis of a duplicated gene necessary for Haemophilus influenzae serotype b capsule expression showed that only one functional copy of this gene is required for capsule production and for virulence in infant rats. Mutant strains generated in this study differed from each other and from the paren...

journal_title：Journal of bacteriology

authors： Ely S,Tippett J,Kroll JS,Moxon ER

更新日期：1986-07-01 00:00:00

abstract：:Nearly every known species of Eubacteria encodes a homolog of the Borrelia burgdorferi EbfC DNA-binding protein. We now demonstrate that fluorescently tagged EbfC associates with B. burgdorferi nucleoids in vivo and that chromatin immunoprecipitation (ChIP) of wild-type EbfC showed it to bind in vivo to sites througho...

journal_title：Journal of bacteriology

authors： Jutras BL,Bowman A,Brissette CA,Adams CA,Verma A,Chenail AM,Stevenson B

更新日期：2012-07-01 00:00:00

abstract：:We have identified recD mutants of Salmonella typhimurium by their ability to support growth of phage P22 abc (anti-RecBCD) mutants, whose growth is prevented by normal host RecBCD function. As in Escherichia coli, the recD gene of S. typhimurium lies between the recB and argA genes at min 61 of the genetic map. Plasm...

journal_title：Journal of bacteriology

authors： Miesel L,Roth JR

更新日期：1994-07-01 00:00:00

abstract：:We report here direct evidence that mutations in the par locus affect protein-DNA interactions in vivo at the replication origin of plasmid pSC101. Concomitant with par-mediated plasmid stabilization, two sites in the origin region show an altered methylation pattern as detected by in vivo footprinting with dimethyl s...

journal_title：Journal of bacteriology

authors： Ingmer H,Cohen SN

更新日期：1993-09-01 00:00:00

abstract：:Filter matings between E. coli K-12 strains carrying an F'::Tn5,Tn9 factor with H. influenzae Rd strains gave rise to kanamycin-chloramphenicol-resistant H. influenzae strains at a frequency of approximately 10(-6). Transfer of the F' factor to H. influenzae was verified by expression of unselected markers in H. influ...

journal_title：Journal of bacteriology

authors： Deich RA,Green BA

更新日期：1987-05-01 00:00:00

abstract：:Salmonella typhimurium prototrophs carrying a trpR mutation synthesize tryptophan biosynthetic enzymes constitutively. When feedback inhibition of anthranilate synthetase but not 5'-phosphoribosylpyrophosphate phosphoribosyltransferase activity was by-passed by growing cells on media supplemented with anthranilic acid...

journal_title：Journal of bacteriology

authors： Stuttard C

更新日期：1975-09-01 00:00:00

abstract：:Escherichia coli has been used as a platform host for studying the production of free fatty acids (FFA) and other energy-dense compounds useful in biofuel applications. Most of the FFA produced by E. coli are found extracellularly. This finding suggests that a mechanism for transport across the cell envelope exists, y...

journal_title：Journal of bacteriology

authors： Lennen RM,Politz MG,Kruziki MA,Pfleger BF

更新日期：2013-01-01 00:00:00

abstract：:Pyrrolnitrin at 10 mug/ml inhibited the growth of Saccharomyces cerevisiae, Penicillium atrovenetum, and P. oxalicum. The primary site of action of pyrrolnitrin on S. cerevisiae was the terminal electron transport system between succinate or reduced nicotinamide adenine dinucleotide (NADH) and coenzyme Q. At growth in...

journal_title：Journal of bacteriology

authors： Tripathi RK,Gottlieb D

更新日期：1969-10-01 00:00:00

abstract：:The DNA of bacteriophage Mu, extracted from induced lysates, is partially resistant to digestion by the endonuclease BalI. This modification of DNA is controlled by the Mu modification function (mom), which acts in conjunction with the dam (DNA-adenine methylation) function of Escherichia coli. Since the BalI recognit...

journal_title：Journal of bacteriology

authors： Khatoon H,Bukhari AI

更新日期：1978-10-01 00:00:00

abstract：:We designed a selection strategy for the isolation of Escherichia coli mutants exhibiting enhanced protein disulfide isomerase activity. The folding of a variant of tissue plasminogen activator (v-tPA), a protein containing nine disulfide bonds, in the bacterial periplasm is completely dependent on the level of disulf...

journal_title：Journal of bacteriology

authors： Zhan X,Gao J,Jain C,Cieslewicz MJ,Swartz JR,Georgiou G

更新日期：2004-02-01 00:00:00

abstract：:A system for high-level expression of heparinase I, heparinase II, heparinase III, chondroitinase AC, and chondroitinase B in Flavobacterium heparinum is described. hepA, along with its regulatory region, as well as hepB, hepC, cslA, and cslB, cloned downstream of the hepA regulatory region, was integrated in the chro...

journal_title：Journal of bacteriology

authors： Blain F,Tkalec AL,Shao Z,Poulin C,Pedneault M,Gu K,Eggimann B,Zimmermann J,Su H

更新日期：2002-06-01 00:00:00

abstract：:In the fungus Podospora anserina, the interaction between the nonallelic incompatible R and V genes has two consequences: a lytic reaction due to the synthesis of specific proteolytic enzymes, and a quenching in protein and ribonucleic acid synthesis. The incompatibility reaction when vegetative or sexual R and V cell...

journal_title：Journal of bacteriology

authors： Labarére J,Bègueret J,Bernet J

更新日期：1974-11-01 00:00:00

abstract：:The sdiA gene codes for a protein that regulates expression of the ftsQAZ cluster of essential cell division genes of Escherichia coli. SdiA up-regulates the ftsQ2p promoter that initiates transcription into the ftsQAZ cluster. In this paper, we report that expression of sdiA is itself regulated by a factor that is re...

journal_title：Journal of bacteriology

authors： García-Lara J,Shang LH,Rothfield LI

更新日期：1996-05-01 00:00:00

abstract：:Unsaturated fatty acid (ufa) auxotrophs of Neurospora crassa were obtained by treatment of conidia with N-methyl-N'-nitro-N-nitrosoguanidine followed by isolation on media containing polyunsaturated fatty acids suspended in Tergitol NP-40. The 24 mutants for which reisolates were obtained from crosses with wild type w...

journal_title：Journal of bacteriology

authors： Scott WA

更新日期：1977-06-01 00:00:00

abstract：:The Gram-positive Corynebacterium glutamicum efficiently metabolizes maltose by a pathway involving maltodextrin and glucose formation by 4-α-glucanotransferase, glucose phosphorylation by glucose kinases, and maltodextrin degradation via maltodextrin phosphorylase and α-phosphoglucomutase. However, maltose uptake in ...

journal_title：Journal of bacteriology

authors： Henrich A,Kuhlmann N,Eck AW,Krämer R,Seibold GM

更新日期：2013-06-01 00:00:00

abstract：:Tn4551, a clindamycin resistance (Ccr) transposon from the R plasmid pBI136, was cloned onto an Escherichia coli-Bacteroides shuttle vector which could replicate normally in E. coli but was maintained unstably in Bacteroides fragilis. To aid in cloning and to ensure maintenance of Tn4551 in E. coli, a kanamycin resist...

journal_title：Journal of bacteriology

authors： Smith CJ,Spiegel H

更新日期：1987-08-01 00:00:00

abstract：:Phosphoenolpyruvate (PEP) carboxykinase was identified to be the only C3-carboxylating enzyme in Alcaligenes eutrophus. The enzyme requires GDP or inosine diphosphate (GTP or inosine triphosphate) for activity. Pyruvate- and other PEP-dependent CO2-fixing enzyme activities were not detected, regardless of whether the ...

journal_title：Journal of bacteriology

authors： Schobert P,Bowien B

更新日期：1984-07-01 00:00:00

abstract：:The Escherichia coli purine repressor, PurR, binds to a 16-bp operator sequence and coregulates the genes for de novo synthesis of purine and pyrimidine nucleotides, formation of a one-carbon unit for biosynthesis, and deamination of cytosine. We have characterized the purified repressor. Chemical cross-linking indica...

journal_title：Journal of bacteriology

authors： Choi KY,Zalkin H

更新日期：1992-10-01 00:00:00

abstract：:At early stages of sporulation, the spoIIA locus is transcribed as a tricistronic (1.7-kb) operon, coding for sigma F and for two proteins that modulate the activity of sigma F. The locus is transcribed as a longer (2.9-kb) transcript at the late stages of sporulation. We show here that the longer transcript contains ...

journal_title：Journal of bacteriology

authors： Wu JJ,Schuch R,Piggot PJ

更新日期：1992-08-01 00:00:00

abstract：:The cysB region in Salmonella typhimurium regulates in a positive manner the noncontiguous structural genes for the enzymes responsible for sulfate reduction in cysteine biosynthesis. We treated three cysB mutants with chemical mutagens and selected 81 secondary mutants in which the inability to utilize sulfate was su...

journal_title：Journal of bacteriology

authors： Borum PR,Monty KJ

更新日期：1976-01-01 00:00:00

abstract：:Das, S. K. (University of Calcutta, Calcutta, India) and G. C. Chatterjee. Pyrithiamine adaptation of Staphylococcus aureus. I. Adaptation and carbohydrate utilization. J. Bacteriol. 83:1251-1259. 1962.-Staphylococcus aureus has been adapted to pyrithiamine, a thiamine analogue; as a result of this adaptation, the col...

journal_title：Journal of bacteriology

authors： DAS SK,CHATTERJEE GC

更新日期：1962-06-01 00:00:00

abstract：:Genetic exchange mechanisms, to our knowledge, have not been reported for Legionella pneumophila, and consequently, studies on the genetic organization of L. pneumophila have not appeared in the literature. Here, we describe gene transfer mediated by broad host range conjugative plasmids in Legionella spp. Escherichia...

journal_title：Journal of bacteriology

authors： Dreyfus LA,Iglewski BH

更新日期：1985-01-01 00:00:00

abstract：:Desulfurococcus kamchatkensis is an anaerobic organotrophic hyperthermophilic crenarchaeon isolated from a terrestrial hot spring. Its genome consists of a single circular chromosome of 1,365,223 bp with no extrachromosomal elements. A total of 1,474 protein-encoding genes were annotated, among which 205 are exclusive...

journal_title：Journal of bacteriology

authors： Ravin NV,Mardanov AV,Beletsky AV,Kublanov IV,Kolganova TV,Lebedinsky AV,Chernyh NA,Bonch-Osmolovskaya EA,Skryabin KG

更新日期：2009-04-01 00:00:00

abstract：:SbmA is an inner membrane protein of Gram-negative bacteria that is involved in the internalization of glycopeptides and prokaryotic and eukaryotic antimicrobial peptides, as well as of peptide nucleic acid (PNA) oligomers. The SbmA homolog BacA is required for the development of Sinorhizobium meliloti bacteroids with...

journal_title：Journal of bacteriology

authors： Runti G,Lopez Ruiz Mdel C,Stoilova T,Hussain R,Jennions M,Choudhury HG,Benincasa M,Gennaro R,Beis K,Scocchi M

更新日期：2013-12-01 00:00:00

abstract：:Spo0A is a DNA binding protein in Bacillus subtilis required for the activation of spoIIG and other promoters at the onset of endospore formation. Activation of some of these promoters may involve interaction of Spo0A and the sigmaA subunit of RNA polymerase. Previous studies identified two single-amino-acid substitut...

journal_title：Journal of bacteriology

authors： Buckner CM,Schyns G,Moran CP Jr

更新日期：1998-07-01 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：:Hg2+-resistant mutants were isolated from Saccharomyces cerevisiae. Although they were very much like the parental strains in terms of colony-forming ability, they grew faster than the parental strains in the presence of sublethal doses of Hg2+. The Hg2+-resistant mutations were dominant. They were centromere linked a...

journal_title：Journal of bacteriology

authors： Ono B,Ohue H,Ishihara F

更新日期：1988-12-01 00:00:00

abstract：:Azotobacter vinelandii was grown diazotrophically in chemostat cultures limited by sucrose, citrate, or acetate. Specific activities of cellular oxygen consumption (qO2) and nitrogenase (acetylene reduction) were measured in situ at different dilution rates (D, representing the specific growth rate mu at steady state)...

journal_title：Journal of bacteriology

authors： Kuhla J,Oelze J

更新日期：1988-11-01 00:00:00

abstract：:SAL-TOL in vivo recombinant plasmid pKF439 was characterized in a strain from a mixed culture of bacteria harboring various degradative plasmids. Analysis of the gene organization of pKF439 revealed that the 57-kilobase TOL fragment, including the 40-kilobase TOL metabolic region, was inserted into the complete SAL re...

journal_title：Journal of bacteriology

authors： Furukawa K,Miyazaki T,Tomizuka N

更新日期：1985-06-01 00:00:00

abstract：:No catalase activity was detected in four strains of glucose-grown Mycoplasma pneumoniae at any time during the replication of the organism. Exogenous catalase dramatically increased the O(2) uptake with glycerol, presumably by releasing inhibition caused by hydrogen peroxide. The effect of added catalase on the O(2) ...

journal_title：Journal of bacteriology

authors： Low IE,Eaton MD,Proctor P

更新日期：1968-04-01 00:00:00