Mechanism for regulation of the putrescine utilization pathway by the transcription factor PuuR in Escherichia coli K-12.

abstract：:Monobromoacetate (MBA) is toxic for the 1,2-dichloroethane-degrading bacterium Xanthobacter autotrophicus GJ10 at concentrations higher than 5 mM. Mutants which are able to grow on higher concentrations of MBA were isolated and found to overexpress haloacid dehalogenase, which is encoded by the dhlB gene. In mutant GJ...

journal_title：Journal of bacteriology

authors： van der Ploeg J,Willemsen M,van Hall G,Janssen DB

更新日期：1995-03-01 00:00:00

abstract：:The ToxR protein of Vibrio cholerae is an integral membrane protein that coordinately regulates the expression of virulence genes required for successful infection. ToxR has been shown to bind directly to and activate transcription of the cholera toxin (ctx) promoter. Within the amino-terminal cytoplasmic region of To...

journal_title：Journal of bacteriology

authors： Ottemann KM,DiRita VJ,Mekalanos JJ

更新日期：1992-11-01 00:00:00

abstract：:Aronson, John N. (Arizona State University, Tempe), and Gerald R. Wermus. Effects of m-tyrosine on growth and sporulation of Bacillus species. J. Bacteriol. 90:38-46. 1965.-The aromatic amino acid analogue, dl-beta-(3-hydroxyphenyl)alanine (m-tyrosine), reduced sporulation of a strain of Bacillus subtilis to less than...

journal_title：Journal of bacteriology

authors： Aronson JN,Wermus GR

更新日期：1965-07-01 00:00:00

abstract：:Studies with cell-free protein preparations from a series of recombinant strains of Pseudomonas denitrificans demonstrated that precorrin-3 is converted into a further trimethylated intermediate, named precorrin-3B, along the pathway to coenzyme B12. It was then shown that the part of the pathway from precorrin-3 (cal...

journal_title：Journal of bacteriology

authors： Debussche L,Thibaut D,Cameron B,Crouzet J,Blanche F

更新日期：1993-11-01 00:00:00

abstract：:The effects of starving Escherichia coli for glucose and required amino acids were determined. The disappearance of the majority of the ribosomal population, particularly of the ribonucleic acid (RNA) moiety, was noted. The events during recovery are detailed, with emphasis placed on the timing, requirements, and cont...

journal_title：Journal of bacteriology

authors： Jacobson A,Gillespie D

更新日期：1968-03-01 00:00:00

abstract：:Pseudomonas aeruginosa PAO1 catabolized the aromatic amines tyramine and octopamine through 4-hydroxyphenylacetic acid and 3,4-dihydroxyphenylacetic acid (HPA). meta ring cleavage was mediated by 3,4-dihydroxyphenylacetate 2,3-dioxygenase (HPADO), producing 2-hydroxy-5-carboxymethylmuconic semialdehyde (MSA). An NAD-d...

journal_title：Journal of bacteriology

authors： Cuskey SM,Olsen RH

更新日期：1988-01-01 00:00:00

abstract：:Neisseria meningitidis can be the causative agent of meningitis or septicemia. This bacterium expresses type IV pili, which mediate a variety of functions, including autoagglutination, twitching motility, biofilm formation, adherence, and DNA uptake during transformation. The secretin PilQ supports type IV pilus extru...

journal_title：Journal of bacteriology

authors： Balasingham SV,Collins RF,Assalkhou R,Homberset H,Frye SA,Derrick JP,Tønjum T

更新日期：2007-08-01 00:00:00

abstract：:The hexose phosphate transport system transported glycerol 3-phosphate and its analogs 3,4-dihydroxybutyl-1-phosphonate, glyceraldehyde 3-phosphate, and 3-hydroxy-4-oxobutyl-1-phosphonate. ...

journal_title：Journal of bacteriology

authors： Guth A,Engel R,Tropp BE

更新日期：1980-07-01 00:00:00

abstract：:The S-layers of Thermus thermophilus HB27 and T. thermophilus HB8 are composed of protein units of 95 kDa (P95) and 100 kDa (P100), respectively. We have selected S-layer deletion mutants from both strains by complete replacement of the slpA gene. Mutants of the two strains showed similar defects in growth and morphol...

journal_title：Journal of bacteriology

authors： Fernández-Herrero LA,Olabarría G,Castón JR,Lasa I,Berenguer J

更新日期：1995-10-01 00:00:00

abstract：:A primary determinant of pathogenicity in Erwinia stewartii is the production of extracellular polysaccharide (EPS). A single mutation can abolish both EPS synthesis and pathogenicity; both properties are restored by a single cosmid clone. Subcloning and insertion analysis have defined a single positive regulatory fun...

journal_title：Journal of bacteriology

authors： Torres-Cabassa A,Gottesman S,Frederick RD,Dolph PJ,Coplin DL

更新日期：1987-10-01 00:00:00

abstract：:The virulence of Staphylococcus aureus is controlled by the accessory gene regulator (agr) system, including an extracellular inducer encoded by agrD. Variable agr PCR restriction fragment length polymorphism (RFLP) patterns of unique S. aureus strains (n = 192) were determined for a region comprising agrD and parts o...

journal_title：Journal of bacteriology

authors： van Leeuwen W,van Nieuwenhuizen W,Gijzen C,Verbrugh H,van Belkum A

更新日期：2000-10-01 00:00:00

abstract：:An S-adenosylhomocysteine deaminase has been isolated and purified from streptonigrin-producing Streptomyces flocculus ATCC 13257. Deamination represents the major metabolic route of S-adenosylhomocysteine in this organism. The protein was found to be monomeric with a molecular weight of 56,100 +/- 1,600. The activity...

journal_title：Journal of bacteriology

authors： Zulty JJ,Speedie MK

更新日期：1989-12-01 00:00:00

abstract：:The decline in colony-forming ability observed during tryptophan starvation of Bacillus subtilis auxotrophs is a concentration-dependent phenomenon. It does not manifest itself when the initial cell concentration is 10(6) cells/ml or lower. This property has been used to test the killing activity of different fraction...

journal_title：Journal of bacteriology

authors： Barlati S,Majerfeld I

更新日期：1970-02-01 00:00:00

abstract：:Penicillium chrysogenum is an important producer of penicillin antibiotics. A key step in their biosynthesis is the oxidative cyclization of delta-(L-alpha-aminoadipyl)-L-cysteinyl-D-valine (ACV) to isopenicillin N by the enzyme isopenicillin N synthase (IPNS). bis-ACV, the oxidized disulfide form of ACV is, however, ...

journal_title：Journal of bacteriology

authors： Cohen G,Argaman A,Schreiber R,Mislovati M,Aharonowitz Y

更新日期：1994-02-01 00:00:00

abstract：:A RecA-independent chromosomal rearrangement in the upstream region of the streptolysin O (slo) gene of Streptococcus pyogenes which affects slo expression was identified. PCR analysis was used to demonstrate that this kind of rearrangement was found in several strains of different lineages. Chromosomal loci involved ...

journal_title：Journal of bacteriology

authors： Savic DJ,Ferretti JJ

更新日期：2003-03-01 00:00:00

abstract：:The inner or cytoplasmic membrane fraction of the cell envelope of Escherichia coli was isolated by isopycnic centrifugation on sucrose gradients. The membrane proteins were analyzed by electrophoresis in sodium dodecyl sulfate-polyacrylamide gels (8.5%), and up to 56 bands were resolved. Different preparations gave v...

journal_title：Journal of bacteriology

authors： Spencer ME,Guest JR

更新日期：1974-03-01 00:00:00

abstract：:Genes from Bacillus subtilis predicted to encode a phosphate-specific transport (Pst) system were shown by mutation to affect high-affinity Pi uptake but not arsenate resistance or phosphate (Pho) regulation. The transcription start of the promoter upstream of the pstS gene was defined by primer extension. The promote...

journal_title：Journal of bacteriology

authors： Qi Y,Kobayashi Y,Hulett FM

更新日期：1997-04-01 00:00:00

abstract：:Whether or not bacteria form coherent evolutionary groups via means of genetic exchange and, hence, elicit distinct species boundaries remains an unsettled issue. A recent report implied that not only may the former be true but also, in fact, the clearly distinct Campylobacter jejuni and Campylobacter coli species may...

journal_title：Journal of bacteriology

authors： Caro-Quintero A,Rodriguez-Castaño GP,Konstantinidis KT

更新日期：2009-09-01 00:00:00

abstract：:We report a search for small RNAs (sRNAs) in the low-GC, gram-positive human pathogen Streptococcus pneumoniae. Based on bioinformatic analyses by Livny et al. (J. Livny, A. Brencic, S. Lory, and M. K. Waldor, Nucleic Acids Res. 34:3484-3493, 2006), we tested 40 candidates by Northern blotting and confirmed the expres...

journal_title：Journal of bacteriology

authors： Tsui HC,Mukherjee D,Ray VA,Sham LT,Feig AL,Winkler ME

更新日期：2010-01-01 00:00:00

abstract：:The stator proteins PomA and PomB form a complex that couples Na(+) influx to torque generation in the polar flagellar motor of Vibrio alginolyticus. This stator complex is anchored to an appropriate place around the rotor through a putative peptidoglycan-binding (PGB) domain in the periplasmic region of PomB (PomB(C)...

journal_title：Journal of bacteriology

authors： Li N,Kojima S,Homma M

更新日期：2011-08-01 00:00:00

abstract：:Nitrogenase activities were determined from maximum acetylene reduction rates for mutant strains of Azotobacter vinelandii which are unable to fix N2 in the presence of molybdenum (Nif-) but undergo phenotypic reversal to Nif+ under conditions of Mo deficiency. The system responsible for N2 fixation under these condit...

journal_title：Journal of bacteriology

authors： Bishop PE,Jarlenski DM,Hetherington DR

更新日期：1982-06-01 00:00:00

abstract：:Mutants lacking an enzyme of the oxidative branch of the hexose monophosphate shunt, 6-phosphogluconolactonase (pgl), have been selected as a new class of glucose-negative derivatives of a phosphoglucose isomerase (pgi) mutant. Glucose negativity is not as complete as in mutants lacking phosphoglucose isomerase and gl...

journal_title：Journal of bacteriology

authors： Kupor SR,Fraenkel DG

更新日期：1969-12-01 00:00:00

abstract：:Sequences of the 16S ribosomal DNA (rDNA) from psychrotolerant and mesophilic strains of the Bacillus cereus group revealed signatures which were specific for these two thermal groups of bacteria. Further analysis of the genomic DNA from a wide range of food and soil isolates showed that B. cereus group strains have b...

journal_title：Journal of bacteriology

authors： Prüss BM,Francis KP,von Stetten F,Scherer S

更新日期：1999-04-01 00:00:00

abstract：:The gene encoding the general stress transcription factor sigmaB in the gram-positive bacterium Listeria monocytogenes was isolated with degenerate PCR primers followed by inverse PCR amplification. Evidence for gene identification includes the following: (i) phylogenetic analyses of reported amino acid sequences for ...

journal_title：Journal of bacteriology

authors： Wiedmann M,Arvik TJ,Hurley RJ,Boor KJ

更新日期：1998-07-01 00:00:00

abstract：:Among 120 strains of gliding bacteria which were screened for restriction endonucleases, 27 were found positive. Additionally, three strains carried enzymes able to release the supercoiled state of closed circular DNA. By using a new rapid method, restriction endonuclease activity was released by stirring about 0.5 g ...

journal_title：Journal of bacteriology

authors： Mayer H,Reichenbach H

更新日期：1978-11-01 00:00:00

abstract：:We present the complete genome sequence of Listeria welshimeri, a nonpathogenic member of the genus Listeria. Listeria welshimeri harbors a circular chromosome of 2,814,130 bp with 2,780 open reading frames. Comparative genomic analysis of chromosomal regions between L. welshimeri, Listeria innocua, and Listeria monoc...

journal_title：Journal of bacteriology

authors： Hain T,Steinweg C,Kuenne CT,Billion A,Ghai R,Chatterjee SS,Domann E,Kärst U,Goesmann A,Bekel T,Bartels D,Kaiser O,Meyer F,Pühler A,Weisshaar B,Wehland J,Liang C,Dandekar T,Lampidis R,Kreft J,Goebel W,Chakraborty

更新日期：2006-11-01 00:00:00

abstract：:Mechanisms of Li+ stimulation of proline transport were studied in cells of Escherichia coli 7 and NR70, a mutant of strain 7 lacking adenosine triphosphatase (EC 3.6.1.3). An electrochemical potential difference of Li+ induced in an inward direction of energy-depleted cells caused a transient uptake of proline depend...

journal_title：Journal of bacteriology

authors： Kayama-Gonda Y,Kawasaki T

更新日期：1979-08-01 00:00:00

abstract：:Assays of CDP-glycerol:poly(glycerophosphate) glycerophosphotransferase (CGPTase) (EC 2.7.8.12) in membranes isolated from Bacillus subtilis 168 wild type and 11 strains bearing conditional lethal thermosensitive mutations in tagB, tagD, or tagF revealed that CGPTase deficiency was associated only with mutant tagF all...

journal_title：Journal of bacteriology

authors： Pooley HM,Abellan FX,Karamata D

更新日期：1992-01-01 00:00:00

abstract：:We have identified three transposable gene-activating elements from Pseudomonas cepacia on the basis of their abilities to increase expression of the lac genes of the broad-host-range plasmid pGC91.14 (pRP1::Tn951). When introduced into auxotrophic derivatives of P. cepacia 249 (ATCC 17616), this plasmid failed to con...

journal_title：Journal of bacteriology

authors： Wood MS,Lory C,Lessie TG

更新日期：1990-04-01 00:00:00

abstract：:X-ray fluorescence spectroscopy and electron microscopy of unstained specimens have been used to study the binding of chloropentaammineosmium(III) chloride to isolated walls of Bacillus subtilis. Native walls bound 0.220 mumol of the osmium probe per mg (dry weight) of walls, whereas walls which were chemically treate...

journal_title：Journal of bacteriology

authors： Beveridge TJ,Jack T

更新日期：1982-03-01 00:00:00