Temperature regulation of heat-labile enterotoxin (LT) synthesis in Escherichia coli is mediated by an interaction of H-NS protein with the LT A-subunit DNA.

abstract：:Seventy-one methionineless and cysteineless auxotrophs of Pseudomonas aeruginosa were placed into nine groups on the basis of their growth on methionine precursors and the cross-feeding response. Transduction experiments with bacteriophage F116 indicated the presence of four linkage groups among the methionineless mut...

journal_title：Journal of bacteriology

authors： Calhoun DH,Feary TW

更新日期：1969-01-01 00:00:00

abstract：:Two acid-inducible genes, aniC and aciK, that require anaerobiosis and tyrosine for expression were identified as orf326a encoding a potential amino acid/polyamine antiporter and hyaB encoding hydrogenase I, respectively. Cyclic AMP (cAMP) receptor protein, cAMP, and TyrR, regulator of aromatic amino acid metabolism, ...

journal_title：Journal of bacteriology

authors： Park KR,Giard JC,Eom JH,Bearson S,Foster JW

更新日期：1999-01-01 00:00:00

abstract：:Escherichia coli O111a is a thermosensitive strain which, when grown at 40 C, accumulates large quantities of intracellular membranes. The ultrastructure of these membranes in cells which have been chemically fixed, embedded, and examined as thin sections has been compared with that of membranes in cells negatively st...

journal_title：Journal of bacteriology

authors： Weigand RA,Holt SC,Shively JM,Decker GL,Greenawalt JW

更新日期：1973-01-01 00:00:00

abstract：:The nucleic acid binding cold shock proteins (CSPs) and the cold-induced DEAD box RNA helicases have been proposed separately to act as RNA chaperones, but no experimental evidence has been reported on a direct cooperation. To investigate the possible interaction of the putative RNA helicases CshA and CshB and the CSP...

journal_title：Journal of bacteriology

authors： Hunger K,Beckering CL,Wiegeshoff F,Graumann PL,Marahiel MA

更新日期：2006-01-01 00:00:00

abstract：:Freundlich, Martin (University of Minnesota, Minneapolis) and Herman C. Lichstein. Tryptophanase-tryptophan synthetase systems in Escherichia coli. III. Requirements for enzyme synthesis. J. Bacteriol. 84:996-1006. 1962.-The requirements for the formation of tryptophanase and tryptophan synthetase in Escherichia coli ...

journal_title：Journal of bacteriology

authors： FREUNDLICH M,LICHSTEIN HC

更新日期：1962-11-01 00:00:00

abstract：:Halobacterium halobium spontaneously reverses its swimming direction with a frequency of about 0.1 s-1. The self-sustained periodicity can be entrained by rhythmic light stimuli within a limited range between 0.13 and 0.3 s-1. Increase of temperature increases the reversal frequency and shortens the time to reach maxi...

journal_title：Journal of bacteriology

authors： Schimz A,Hildebrand E

更新日期：1986-05-01 00:00:00

abstract：:In this report we describe the functional expression of EmrE, a 110-amino-acid multidrug transporter from Escherichia coli, in the yeast Saccharomyces cerevisiae. To allow for phenotypic complementation, a mutant strain sensitive to a series of cationic lipophilic drugs was first identified. A hemagglutinin epitope-ta...

journal_title：Journal of bacteriology

authors： Yelin R,Rotem D,Schuldiner S

更新日期：1999-02-01 00:00:00

abstract：:Lactococcus lactis, a gram-positive organism widely used in the food industry, is a potential candidate for the secretion of biologically useful proteins. We examined the secretion efficiency and capacity of L. lactis by using the Staphylococcus aureus nuclease (Nuc) as a heterologous model protein. When expressed in ...

journal_title：Journal of bacteriology

authors： Le Loir Y,Gruss A,Ehrlich SD,Langella P

更新日期：1998-04-01 00:00:00

abstract：:Irradiated L cells infected with Rickettsia tsutsugamushi were studied under the electron microscope to define the morphological growth pattern of the organism. For 2 days after inoculation, no rickettsiae were found either extra- or intracellularly; after 2 days multiple rickettsiae appeared within the host cells wit...

journal_title：Journal of bacteriology

authors： Hase T

更新日期：1983-05-01 00:00:00

abstract：:The 5 to 10 peritrichously inserted complex flagella of Rhizobium meliloti MVII-1 were found to form right-handed flagellar bundles. Bacteria swam at speeds up to 60 microns/s, their random three-dimensional walk consisting of straight runs and quick directional changes (turns) without the vigorous angular motion (tum...

journal_title：Journal of bacteriology

authors： Götz R,Schmitt R

更新日期：1987-07-01 00:00:00

abstract：:Freeze-etching was applied to preparations, with and without glycerol, of Acinetobacter sp. strain MJT/F5/199A, consisting of intact cells after normal growth or after incubation with chloramphenicol, spheroplasts, and isolated cell walls and outer membranes. Etched preparations show that a regular array of subunits f...

journal_title：Journal of bacteriology

authors： Sleytr UB,Thornley MJ

更新日期：1973-12-01 00:00:00

abstract：:Proteomics and targeted gene disruption were used to investigate the catabolism of benzene, styrene, biphenyl, and ethylbenzene in Rhodococcus jostii RHA1, a well-studied soil bacterium whose potent polychlorinated biphenyl (PCB)-transforming properties are partly due to the presence of the related Bph and Etb pathway...

journal_title：Journal of bacteriology

authors： Patrauchan MA,Florizone C,Eapen S,Gómez-Gil L,Sethuraman B,Fukuda M,Davies J,Mohn WW,Eltis LD

更新日期：2008-01-01 00:00:00

abstract：:Davis, Nour A. (University of Lagos Medical School, Lagos, Nigeria), and G. H. G. Davis. Ecology of nasal staphylococci. J. Bacteriol. 89:1163-1168. 1965.-The rate of nasal carriage of Staphylococcus aureus in Nigerian adults (46%) approximates that found in other countries. The rate in infants under 12 months was ca....

journal_title：Journal of bacteriology

authors： DAVIS NA,DAVIS GH

更新日期：1965-05-01 00:00:00

abstract：:A systematic analysis of the type III secretion (T3S) genes of Pseudomonas aeruginosa strain PAO1 revealed that they are under quorum-sensing control. This observation was supported by the down-regulation of the T3S regulon in the presence of RhlR-C4HSL and the corresponding advanced secretion of ExoS in a rhlI mutant...

journal_title：Journal of bacteriology

authors： Bleves S,Soscia C,Nogueira-Orlandi P,Lazdunski A,Filloux A

更新日期：2005-06-01 00:00:00

abstract：:To relate the roles of Escherichia coli SSB in recombination in vivo and in vitro, we have studied the mutant proteins SSB-1 and SSB-113, the variant SSBc produced by chymotryptic cleavage, the partially homologous variant F SSB (encoded by the E. coli sex factor), and the protein encoded by gene 32 of bacteriophage T...

journal_title：Journal of bacteriology

authors： Egner C,Azhderian E,Tsang SS,Radding CM,Chase JW

更新日期：1987-08-01 00:00:00

abstract：:A genetic determinant conferring on Escherichia coli the ability to utilize citrate as a sole source of carbon and energy was subcloned into pBR322 from a naturally occurring, citrate utilization (Cit+) plasmid, pOH30221, and was localized to a 1.6-kilobase region by cloning and subsequent deletion analysis. Genetic e...

journal_title：Journal of bacteriology

authors： Hirato T,Shinagawa M,Ishiguro N,Sato G

更新日期：1984-10-01 00:00:00

abstract：:The amounts of glycogen and trehalose have been measured in cells of a prototrophic diploid yeast strain subjected to a variety of nutrient limitations. Both glycogen and trehalose were accumulated in cells deprived specifically of nirogen, sulfur, or phosphorus, suggesting that reserve carbohydrate accumulation is a ...

journal_title：Journal of bacteriology

authors： Lillie SH,Pringle JR

更新日期：1980-09-01 00:00:00

abstract：:Gill lamellae from the young fruiting bodies of the basidiomycete Coprinus micaceus possess cytoplasmic particles with cytochemically demonstrable acid phosphatase activity; they are presumed to be lysosomes. ...

journal_title：Journal of bacteriology

authors： Nehemiah JL

更新日期：1973-07-01 00:00:00

abstract：:The chlorosome envelope of Chlorobaculum tepidum contains 10 proteins that belong to four structural motif families. A previous mutational study (N.-U. Frigaard, H. Li, K. J. Milks, and D. A. Bryant, J. Bacteriol. 186:646-653, 2004) suggested that some of these proteins might have redundant functions. Six multilocus m...

journal_title：Journal of bacteriology

authors： Li H,Bryant DA

更新日期：2009-11-01 00:00:00

abstract：:Six uvr mutants of Saccharomyces cerevisiae with hypersensitivity to ultraviolet (UV) light were isolated after mutagen treatment with ethylmethanesulfonate. UV sensitivity ranges from moderate to extreme, and four of the mutants are also sensitive to nitrous acid. Ranking in terms of UV sensitivity does not parallel ...

journal_title：Journal of bacteriology

authors： Snow R

更新日期：1967-09-01 00:00:00

abstract：:An incompetent mutant (4S Com(-)) does not release competence-inducing factor (CF) into the culture medium and is not infected with TP-1C phage deoxyribonucleic acid (DNA) unless CF is added to the transfection assay. A TP-1C phage-resistant mutant (4S Ton-r) releases relatively large amounts of CF into the culture me...

journal_title：Journal of bacteriology

authors： Streips UN,Welker NE

更新日期：1971-06-01 00:00:00

abstract：:A series of studies were performed on a Staphylococcus aureus strain thought to contain a pencillinase plasmid integrated into the host chromosome. Reassociation kinetics analysis of whole-cell deoxyribonucleic acid (DNA) in the presence of pure radioactive plasmid DNA revealed that plasmid-specific sequences were pre...

journal_title：Journal of bacteriology

authors： Novick R,Zouzias D,Rush M

更新日期：1975-12-01 00:00:00

abstract：:The dctA gene, coding for the dicarboxylate transport protein, has an inducible promoter dependent on activation by the two-component sensor-regulator pair DctB and DctD. LacZ fusion analysis indicates that there is a single promoter for dctB and dctD. The dctA promoter is also induced by nitrogen limitation, an effec...

journal_title：Journal of bacteriology

authors： Reid CJ,Poole PS

更新日期：1998-05-01 00:00:00

abstract：:Six analogues of amino acids killed corresponding auxotrophs of Escherichia coli. With all but one analogue, protein synthesis was required for lethality. ...

journal_title：Journal of bacteriology

authors： Rabinovitz M,Finkleman A,Reagan RL,Breitman TR

更新日期：1969-07-01 00:00:00

abstract：:The inhibitory effect of fungitoxic derivatives of 1,4-oxathiin on substrate oxidation by the basidiomycete Ustilago maydis is diminished by a single-gene mutation (oxr). The difference between mutant and wild type is approximately the same on the basis of inhibition of either growth and operation of the tricarboxylic...

journal_title：Journal of bacteriology

authors： Georgopoulos SG,Alexandri E,Chrysayi M

更新日期：1972-06-01 00:00:00

abstract：:Alginates are polysaccharides composed of 1-4-linked beta-D-mannuronic acid and alpha-L-guluronic acid. The polymer can be degraded by alginate lyases, which cleave the polysaccharide using a beta-elimination reaction. Two such lyases have previously been identified in the soil bacterium Azotobacter vinelandii, as fol...

journal_title：Journal of bacteriology

authors： Gimmestad M,Ertesvåg H,Heggeset TM,Aarstad O,Svanem BI,Valla S

更新日期：2009-08-01 00:00:00

abstract：:The reproduction and morphogenesis of Rickettsiella chironomi, an unusual procaryotic parasite of midge larvae, was studied with electron microscopy. The morphogenic cycle was similar to that found in chlamydia and consisted of four major cell types: (i) medium-sized spherical initial bodies (ca. 1 micrometers in diam...

journal_title：Journal of bacteriology

authors： Federici BA

更新日期：1980-08-01 00:00:00

abstract：:A second cluster of genes encoding the E1 alpha, E1 beta, and E2 subunits of branched-chain alpha-keto acid dehydrogenase (BCDH), bkdFGH, has been cloned and characterized from Streptomyces avermitilis, the soil microorganism which produces anthelmintic avermectins. Open reading frame 1 (ORF1) (bkdF, encoding E1 alpha...

journal_title：Journal of bacteriology

authors： Denoya CD,Fedechko RW,Hafner EW,McArthur HA,Morgenstern MR,Skinner DD,Stutzman-Engwall K,Wax RG,Wernau WC

更新日期：1995-06-01 00:00:00

abstract：:Smith, Doyle C. (Kansas State University, Manhattan), V. D. Foltz, and T. H. Lord. Two lytic factors involved in induced synergistic hemolysis in normally nonhemolytic staphylococci. J. Bacteriol. 88:1700-1704. 1964.-Synergistic hemolysis of "normally nonhemolytic" staphylococci results from the combination of two fac...

journal_title：Journal of bacteriology

authors： SMITH DC,FOLTZ VD,LORD TH

更新日期：1964-12-01 00:00:00

abstract：:By transformation of dnaA null mutant host cells that are suppressed either by an rnh mutation or by chromosomal integration of a mini-R1 plasmid, it was shown that replication of miniplasmids composed of the NR1 minimal replicon had no absolute dependence upon DnaA protein. In addition, the suppression of the dnaA nu...

journal_title：Journal of bacteriology

authors： Tang XB,Womble DD,Rownd RH

更新日期：1989-10-01 00:00:00