Group Q streptococci. II. Nutritional characteristics and growth relationship to thymine, folate, and folinate.

abstract：:Target analyses of the induction of rho(-) mutants indicated that the cytoplasm of an aerobic nonrepressed yeast contains approximately 20 mutable units, whereas repressed cells exhibit approximately 3. Aerobic adaptation of fully repressed cells brings about an increase in these cytoplasmic units which continues afte...

journal_title：Journal of bacteriology

authors： Allen NE,MacQuillan AM

更新日期：1969-03-01 00:00:00

abstract：:We have determined the amounts of a number of small molecules and enzymes in the mother cell compartment and the developing forespore during sporulation of Bacillus megaterium. Significant amounts of adenosine 5'-triphosphate and reduced nicotinamide adenine dinucleotide were present in the forespore compartment befor...

journal_title：Journal of bacteriology

authors： Singh RP,Setlow B,Setlow P

更新日期：1977-06-01 00:00:00

abstract：:Ascospore delimitation in Saccharomyces cerevisiae is initiated by a pair of unit membranes between which the spore wall is subsequently laid down. ...

journal_title：Journal of bacteriology

authors： Beckett A,Illingworth RF,Rose AH

更新日期：1973-02-01 00:00:00

abstract：:Gundersen, Wenche B. (Oslo University, Oslo, Norway). New type of streptomycin resistance resulting from action of the episomelike mutator factor in Escherichia coli. J. Bacteriol. 86:510-516. 1963.-Analyses have been performed to elucidate the genetic nature of the streptomycin resistance that results from the action...

journal_title：Journal of bacteriology

authors： GUNDERSEN WB

更新日期：1963-09-01 00:00:00

abstract：:We have devised a coupled radiochemical assay for detecting phosphatidylglycerolphosphate (PGP) phosphatase activity in Escherichia coli colonies immobilized on filter paper. There appeared to be at least two enzymes capable of dephosphorylating PGP, as judged by the characterization of mutations in two genes designat...

journal_title：Journal of bacteriology

authors： Icho T,Raetz CR

更新日期：1983-02-01 00:00:00

abstract：:In cells of Leuconostoc oenos, the fermentation of L-malic acid generates both a transmembrane pH gradient, inside alkaline, and an electrical potential gradient, inside negative. In resting cells, the proton motive force ranged from -170 mV to -88 mV between pH 3.1 and 5.6 in the presence Of L-malate. Membrane potent...

journal_title：Journal of bacteriology

authors： Salema M,Lolkema JS,San Romão MV,Lourero Dias MC

更新日期：1996-06-01 00:00:00

abstract：:In Bacillus subtilis, the ermC gene encodes an mRNA that is unusually stable (40-min half-life) in the presence of erythromycin, an inducer of ermC gene expression. A requirement for this induced mRNA stability is a ribosome stalled in the ermC leader region. This property of ermC mRNA was used to study the decay of m...

journal_title：Journal of bacteriology

authors： Bechhofer DH,Zen KH

更新日期：1989-11-01 00:00:00

abstract：:The glutamate permeation system in Escherichia coli K-12 consists of three genes: gltC, gltS, and gltR. The genes gltC and gltS are very closely linked, and are located between the pyrE and tna loci, in the following order: tna, gltC, gltS, pyrE; gltR is located near the metA gene. The three glt genes constitute a reg...

journal_title：Journal of bacteriology

authors： Marcus M,Halpern YS

更新日期：1969-03-01 00:00:00

abstract：:Mutations in any one of three genes, kdpA, -B, or -C, in Escherichia coli abolish the activity of Kdp, a multisubunit K+-ATPase that belongs to the P-type ATPase family of cation transporters. We found in this study that expression in vivo of a 135-amino-acid-long N-terminal fragment (KdpA'), less than one-quarter the...

journal_title：Journal of bacteriology

authors： Sardesai AA,Gowrishankar J

更新日期：2001-06-01 00:00:00

abstract：:Carbon catabolite control protein A (CcpA) is the main regulator involved in carbon catabolite repression in gram-positive bacteria. Time series gene expression analyses of Lactococcus lactis MG1363 and L. lactis MG1363DeltaccpA using DNA microarrays were used to define the CcpA regulon of L. lactis. Based on a compar...

journal_title：Journal of bacteriology

authors： Zomer AL,Buist G,Larsen R,Kok J,Kuipers OP

更新日期：2007-02-01 00:00:00

abstract：:OxyR is a DNA binding protein that differentially regulates a cell's response to hydrogen peroxide-mediated oxidative stress. We previously reported that the reduced form of OxyR is sufficient for repression of transcription of agn43 from unmethylated template DNA, which is essential for deoxyadenosine methylase (Dam)...

journal_title：Journal of bacteriology

authors： Wallecha A,Correnti J,Munster V,van der Woude M

更新日期：2003-04-01 00:00:00

abstract：:Sortases are transamidases that covalently link proteins to the peptidoglycan of gram-positive bacteria. The genome of the pathogenic bacterium Listeria monocytogenes encodes two sortases genes, srtA and srtB. The srtA gene product anchors internalin and some other LPXTG-containing proteins to the listerial surface. H...

journal_title：Journal of bacteriology

authors： Bierne H,Garandeau C,Pucciarelli MG,Sabet C,Newton S,Garcia-del Portillo F,Cossart P,Charbit A

更新日期：2004-04-01 00:00:00

abstract：:Colicin E2 was partially purified from Escherichia coli W3110. This preparation was remarkably stabilized by bovine serum albumin in a solution at neutral pH, as shown by dilution experiments and tests on heat stability of colicin. One killing unit of colicin E2 was estimated to correspond to one molecule of colicin E...

journal_title：Journal of bacteriology

authors： Mitsui E,Mizuno D

更新日期：1969-11-01 00:00:00

abstract：:The outer membranes of Escherichia coli K-12 cells carrying a derepressed F-like R factor contain about 7 times 10-4 molecules per cell of a protein similar to the subunit of the sex pili specified by the R factor. This protein pool is absent in cells carrying the repressed variant of the R factor. The size of the poo...

journal_title：Journal of bacteriology

authors： Beard JP,Connolly JC

更新日期：1975-04-01 00:00:00

abstract：:SpoVM is an unusually small (26-residue-long) protein that is produced in the mother cell chamber of the sporangium during the process of sporulation in Bacillus subtilis. We investigated the subcellular localization of SpoVM, which is believed to be an amphipathic alpha-helix, by using a fusion of the sporulation pro...

journal_title：Journal of bacteriology

authors： van Ooij C,Losick R

更新日期：2003-02-01 00:00:00

abstract：:The intervals between rounds of chromosome and minichromosome replication were measured by density shift experiments and found to be similar. Thus the minichromosome, a lambda asnA oriC bacteriophage, mostly replicates once each division cycle rather than randomly, despite its high copy number. Slight differences betw...

journal_title：Journal of bacteriology

authors： Koppes LJ,von Meyenburg K

更新日期：1987-01-01 00:00:00

abstract：:A new pathway for aerobic benzoate oxidation has been postulated for Azoarcus evansii and for a Bacillus stearothermophilus-like strain. Benzoate is first transformed into benzoyl coenzyme A (benzoyl-CoA), which subsequently is oxidized to 3-hydroxyadipyl-CoA and then to 3-ketoadipyl-CoA; all intermediates are CoA thi...

journal_title：Journal of bacteriology

authors： Gescher J,Zaar A,Mohamed M,Schägger H,Fuchs G

更新日期：2002-11-01 00:00:00

abstract：:Five Escherichia coli type 1 pilus mutants that had point mutations in fimH, the gene encoding the type 1 pilus adhesin FimH, were characterized. FimH is a minor component of type 1 pili that is required for the pili to bind and agglutinate guinea pig erythrocytes in a mannose-inhibitable manner. Point mutations were ...

journal_title：Journal of bacteriology

authors： Hamrick TS,Harris SL,Spears PA,Havell EA,Horton JR,Russell PW,Orndorff PE

更新日期：2000-07-01 00:00:00

abstract：:Mutant strains of Escherichia coli K-12 were isolated possessing mutations which affected the tyrosine-inhibitable 3-deoxy-d-arabinoheptulosonic acid-7-phosphate (DAHP) synthetase, the phenylalanine-inhibitable DAHP synthetase, or the tryptophan-repressible DAHP synthetase. The mutations causing the loss of each of th...

journal_title：Journal of bacteriology

authors： Wallace BJ,Pittard J

更新日期：1967-01-01 00:00:00

abstract：:An assay was developed to determine the amount of cyanophycin granules in blue-green algae. The amount of this polypeptide in cells of Anabaena cylindrica was measured as a function of culture age and was compared with changes in other proteinaceous cellular components. The data presented support the notion that the c...

journal_title：Journal of bacteriology

authors： Simon RD

更新日期：1973-06-01 00:00:00

abstract：:Baker, F. D. (Western Reserve University, Cleveland, Ohio), H. R. Papiska, and L. Leon Campbell. Choline fermentation by Desulfovibrio desulfuricans. J. Bacteriol. 84:973-978. 1962-Hayward and Stadtman pointed out that the organism they described as Vibrio cholinicus is closely related to Desulfovibrio desulfuricans. ...

journal_title：Journal of bacteriology

authors： BAKER FD,PAPISKA HR,CAMPBELL LL

更新日期：1962-11-01 00:00:00

abstract：:Further studies on the expression of the two aspartokinase activities in Bacillus bovis are presented. Aspartokinase I (previously shown to be inhibited and repressed by lysine) was found to be repressed by diaminopimelate in the wild-type strain. However, in a mutant unable to convert diaminopimelate to lysine, starv...

journal_title：Journal of bacteriology

authors： Hitchcock MJ,Hodgson B,Linforth JL

更新日期：1980-05-01 00:00:00

abstract：:The effect of CheY and fumarate on switching frequency and rotational bias of the bacterial flagellar motor was analyzed by computer-aided tracking of tethered Escherichia coli. Plots of cells overexpressing CheY in a gutted background showed a bell-shaped correlation curve of Switching frequency and bias centering at...

journal_title：Journal of bacteriology

authors： Montrone M,Eisenbach M,Oesterhelt D,Marwan W

更新日期：1998-07-01 00:00:00

abstract：:The global regulator CsrA (carbon storage regulator) is an RNA binding protein that coordinates central carbon metabolism, activates flagellum biosynthesis and motility, and represses biofilm formation in Escherichia coli. CsrA activity is antagonized by the untranslated RNA CsrB, to which it binds and forms a globula...

journal_title：Journal of bacteriology

authors： Suzuki K,Wang X,Weilbacher T,Pernestig AK,Melefors O,Georgellis D,Babitzke P,Romeo T

更新日期：2002-09-01 00:00:00

abstract：:Four rpoD hybridizing signals have been identified in the chromosome of Brevibacterium lactofermentum. Two rpoD-like genes, sigA and sigB, have been cloned and sequenced, and they encode principal sigma factors of the RNA polymerase. The deduced amino acid sequences of SigA and SigB showed very high similarities to th...

journal_title：Journal of bacteriology

authors： Oguiza JA,Marcos AT,Malumbres M,Martín JF

更新日期：1996-01-01 00:00:00

abstract：:The luminescence (lux) operon (luxICDABEG) of the symbiotic bacterium Vibrio fischeri is regulated by the transcriptional activator LuxR and two acyl-homoserine lactone (acyl-HSL) autoinducers (the luxI-dependent 3-oxo-hexanoyl-HSL [3-oxo-C6-HSL] and the ainS-dependent octanoyl-HSL [C8-HSL]) in a population density-re...

journal_title：Journal of bacteriology

authors： Callahan SM,Dunlap PV

更新日期：2000-05-01 00:00:00

abstract：:A 12.6-kb DNA fragment from Streptomyces glaucescens GLA.0 containing the 12 genes for tetracenomycin (TCM) C biosynthesis and resistance enabled Streptomyces lividans to produce TCM C. Transcriptional analysis of the tcmPG intergenic region in this cluster established the presence of two divergent promoters. The tcmI...

journal_title：Journal of bacteriology

authors： Decker H,Hutchinson CR

更新日期：1993-06-01 00:00:00

abstract：:In cyanobacteria, gene expression is regulated mainly at the level of transcription initiation, which is mediated by the RNA polymerase holoenzyme. The RNA polymerase core is catalytically active, while the sigma factor recognizes promoter sequences. Group 2 sigma factors are similar to the principal sigma factor but ...

journal_title：Journal of bacteriology

authors： Pollari M,Ruotsalainen V,Rantamäki S,Tyystjärvi E,Tyystjärvi T

更新日期：2009-06-01 00:00:00

abstract：:Myxococcus xanthus RB5, a rough-colony-forming, nondispersed growing mutant of strain FBt, forms macroscopic, multicellular masses of radially oriented cells in shake cultures. The cells appear to be held together by slime fibrils. Physical and enzymatic methods to disrupt the spheres were unsuccessful as were attempt...

journal_title：Journal of bacteriology

authors： Burchard RP

更新日期：1975-04-01 00:00:00

abstract：:Hertman, I. (Israel Institute for Biological Research, Ness Ziona, Israel). Bacteriophage common to Pasteurella pestis and Escherichia coli. J. Bacteriol. 88:1002-1005. 1964.-Phage Y of Pasteurella pestis and phage T(3) of Escherichia coli are serologically related and have common bacterial hosts. Anti-Y serum neutral...

journal_title：Journal of bacteriology

authors： HERTMAN I

更新日期：1964-10-01 00:00:00