Characterization of Pneumocystis carinii PHR1, a pH-regulated gene important for cell wall Integrity.

abstract：:Membrane vesicles isolated from cells of bacillus subtilis W23 accumulate manganese in the presence of an energy source. The artificial electron donor system ascorbate and phenazine methosulfate or reduced nicotinamide adenine dinucleotide and phenazine methosulfate can supply the energy for the uptake. D-Lactate in t...

journal_title：Journal of bacteriology

authors： Bhattacharyya P

更新日期：1975-07-01 00:00:00

abstract：:A stereospecific enzyme activity capable of cleaving the amide bond of the synthetic substrate N-benzoyl-D-arginine-p-nitroanilide (D-BAPA) has been found in all aerobic and anaerobic members of the family Bacillaceae tested by us. Cells of nonsporeforming gram-positive or gram-negative bacteria contain a hydrolase ac...

journal_title：Journal of bacteriology

authors： Gofshtein-Gandman LV,Keynan A,Milner Y

更新日期：1988-12-01 00:00:00

abstract：:Cells of Escherichia coli take up vitamin B(12) (cyano-cobalamin [CN-Cbl]) and iron chelates by use of sequential active transport processes. Transport of CN-Cbl across the outer membrane and its accumulation in the periplasm is mediated by the TonB-dependent transporter BtuB. Transport across the cytoplasmic membrane...

journal_title：Journal of bacteriology

authors： Cadieux N,Bradbeer C,Reeger-Schneider E,Köster W,Mohanty AK,Wiener MC,Kadner RJ

更新日期：2002-02-01 00:00:00

abstract：:A mutant of Pseudomonas aeruginosa severely deficient in outer membrane protein F levels was isolated by screening heavily mutagenized strains for membrane protein alterations on sodium dodecyl sulphate-polyacrylamide gel electrophoresis. To provide a basis for phenotypic comparison, three independent spontaneous reve...

journal_title：Journal of bacteriology

authors： Nicas TI,Hancock RE

更新日期：1983-01-01 00:00:00

abstract：:The foliar pathogen Pseudomonas syringae is a useful model for understanding the role of stress adaptation in leaf colonization. We investigated the mechanistic basis of differences in the osmotolerance of two P. syringae strains, B728a and DC3000. Consistent with its higher survival rates following inoculation onto l...

journal_title：Journal of bacteriology

authors： Freeman BC,Chen C,Yu X,Nielsen L,Peterson K,Beattie GA

更新日期：2013-10-01 00:00:00

abstract：:The filamentous bacterium Streptomyces coelicolor forms an aerial mycelium as a prerequisite to sporulation, which occurs in the aerial hyphae. Uncontrolled activity of the extracytoplasmic function sigma factor sigmaU blocks the process of aerial mycelium formation in this organism. Using a green fluorescent protein ...

journal_title：Journal of bacteriology

authors： Gordon ND,Ottaviano GL,Connell SE,Tobkin GV,Son CH,Shterental S,Gehring AM

更新日期：2008-02-01 00:00:00

abstract：:Tn2424, a multiresistance transposon 25 kilobases long, was isolated from IncFII plasmid NR79. Tn2424 transposed resistance to sulfonamides, streptomycin and spectinomycin, mercuric chloride, chloramphenicol, and amikacin with a frequency of 6 X 10(-5). Resistance to amikacin was mediated by a 6'-N-acetyltransferase, ...

journal_title：Journal of bacteriology

authors： Meyer JF,Nies BA,Wiedemann B

更新日期：1983-08-01 00:00:00

abstract：:Mutants deficient in the production of bacteriochlorophyll c (Bchl c) and one mutant lacking colored carotenoids were isolated from the filamentous gliding bacterium Chloroflexus aurantiacus. Mutagenesis was achieved by using UV radiation or N-methyl-N'-nitro-N-nitrosoguanidine. Several clones were isolated that were ...

journal_title：Journal of bacteriology

authors： Pierson BK,Keith LM,Leovy JG

更新日期：1984-07-01 00:00:00

abstract：:A pLAFR3 cosmid clone designated pVir2 containing a 25-kilobase (kb) DNA insert was isolated from a wild-type Pseudomonas solanacearum GMI1000 genomic library. This cosmid was shown to complement all but one of the nine Tn5-induced mutants which have been isolated after random mutagenesis and which have lost both path...

journal_title：Journal of bacteriology

authors： Boucher CA,Van Gijsegem F,Barberis PA,Arlat M,Zischek C

更新日期：1987-12-01 00:00:00

abstract：:Sequence analysis of the large virulence plasmid pLVPK in Klebsiella pneumoniae CG43 revealed the presence of another mucoid factor encoding gene rmpA besides rmpA2. Promoter activity measurement indicated that the deletion of rmpA reduced K2 capsular polysaccharide (CPS) biosynthesis, resulting in decreased colony mu...

journal_title：Journal of bacteriology

authors： Cheng HY,Chen YS,Wu CY,Chang HY,Lai YC,Peng HL

更新日期：2010-06-01 00:00:00

abstract：:An open reading frame (slr0899) on the genome of Synechocystis sp. strain PCC 6803 encodes a polypeptide of 149 amino acid residues, the sequence of which is 40% identical to that of cyanase from Escherichia coli. Introduction into a cyanase-deficient E. coli strain of a plasmid-borne slr0899 resulted in expression of...

journal_title：Journal of bacteriology

authors： Harano Y,Suzuki I,Maeda S,Kaneko T,Tabata S,Omata T

更新日期：1997-09-01 00:00:00

abstract：:Cellular pigmentation is an important virulence factor of the oral pathogen Porphyromonas gingivalis Pigmentation has been associated with many bacterial functions, including but not limited to colonization, maintaining a local anaerobic environment by binding oxygen molecules, and defense against reactive oxygen spec...

journal_title：Journal of bacteriology

authors： Klein BA,Cornacchione LP,Collins M,Malamy MH,Duncan MJ,Hu LT

更新日期：2017-06-27 00:00:00

abstract：:In a previous search for mutants of Salmonella typhimurium that are defective in heme synthesis, one class that is apparently defective in 5-aminolevulinic acid (ALA) uptake (alu) was found. Here, I describe the characterization of these mutations. The mutations all map to a single locus near 77.5 min on the genetic m...

journal_title：Journal of bacteriology

authors： Elliott T

更新日期：1993-01-01 00:00:00

abstract：:Cook, Thomas M. (Sterling-Winthrop Research Institute, Rensselaer, N.Y.), William H. Deitz, and William A. Goss. Mechanism of action of nalidixic acid on Escherichia coli. IV. Effects on the stability of cellular constituents. J. Bacteriol. 91:774-779. 1996.-Treatment of Escherichia coli 15TAU with nalidixic acid resu...

journal_title：Journal of bacteriology

authors： Cook TM,Deitz WH,Goss WA

更新日期：1966-02-01 00:00:00

abstract：:The gene for a new outer membrane-associated protease, designated OmpP, of Escherichia coli has been cloned and sequenced. The gene encodes a 315-residue precursor protein possessing a 23-residue signal sequence. Including conservative substitutions and omitting the signal peptides, OmpP is 87% identical to the outer ...

journal_title：Journal of bacteriology

authors： Kaufmann A,Stierhof YD,Henning U

更新日期：1994-01-01 00:00:00

abstract：:The growth of tubercle bacilli in serum samples of untreated animals depends upon the availability of ionic iron which serves as a growth factor in supporting bacillary multiplication. The amount of available iron in serum is determined by the ratio between iron-saturated and iron-free transferrin; a low value for the...

journal_title：Journal of bacteriology

authors： Kochan I,Golden CA,Bukovic JA

更新日期：1969-10-01 00:00:00

abstract：:Studies on the active product of pepsin digestion of rabbit immunoglobulin G (IgG), F(ab')(2) produced from antiserum against Neurospora glutamate dehydrogenase, showed it to behave in the same way, in both antienzyme and precipitation experiments, as homologous IgG. It is proposed that the inhibition of glutamate deh...

journal_title：Journal of bacteriology

authors： Roberts DB

更新日期：1967-10-01 00:00:00

abstract：:Dobrogosz, Walter J. (University of Illinois, Urbana) and Ralph D. DeMoss. Pentose utilization by Pediococcus pentosaceus. J. Bacteriol. 85:1356-1364. 1963.-Data are presented which indicate that pentoses are metabolized by Pediococcus pentosaceus through the use of an inducible phosphoketolase pathway. The utilizatio...

journal_title：Journal of bacteriology

authors： DOBROGOSZ WJ,DEMOSS RD

更新日期：1963-06-01 00:00:00

abstract：:Xanthomonas oryzae pv. oryzae causes bacterial leaf blight, a serious disease of rice. Spontaneous mutants which are deficient for virulence and extracellular polysaccharide (Eps) production accumulate in large numbers in stationary-phase cultures of this bacterium, a phenomenon which we have called stationary-phase v...

journal_title：Journal of bacteriology

authors： Rajeshwari R,Sonti RV

更新日期：2000-09-01 00:00:00

abstract：:The fungal pathogen Cryptococcus neoformans is killed by the bacterium Staphylococcus aureus, and the killing is inhibited by soluble capsular polysaccharides. To investigate the mechanism of killing, cells in coculture were examined by scanning and transmission electron microscopy. S. aureus attached to the capsule o...

journal_title：Journal of bacteriology

authors： Ikeda R,Saito F,Matsuo M,Kurokawa K,Sekimizu K,Yamaguchi M,Kawamoto S

更新日期：2007-07-01 00:00:00

abstract：:We used Southern blotting to screen a variety of bacterial genes for homology to the kdp genes of Escherichia coli, genes that encode an ATP-driven K+ transport system. We found that most enterobacteria have sequences homologous to those of the three kdp structural genes and the kdpD regulatory gene. A number of dista...

journal_title：Journal of bacteriology

authors： Walderhaug MO,Litwack ED,Epstein W

更新日期：1989-02-01 00:00:00

abstract：:Replication-proficient (Rep+) revertants were isolated from mutants of IncFII plasmid NR1 that were replication defective (Rep-). The parental Rep- plasmids contained a mutation that inactivated promoter PE for transcription of RNA-E, a trans-acting repressor of translation of the essential RepA1 replication initiatio...

journal_title：Journal of bacteriology

authors： Wu R,Wang X,Womble DD,Rownd RH

更新日期：1993-05-01 00:00:00

abstract：:Thiamine pyrophosphate (TPP) is a required cofactor in Salmonella typhimurium that is generated de novo by the condensation of 4-amino-5-hydroxymethyl pyrimidine (HMP) pyrophosphate and 4-methyl-5-(beta-hydroxyethyl)-thiazole (THZ) monophosphate. The THZ and HMP moieties are independently synthesized, and labeling stu...

journal_title：Journal of bacteriology

authors： Webb E,Claas K,Downs DM

更新日期：1997-07-01 00:00:00

abstract：:Thiobacillus denitrificans was grown anaerobically with nitrate as an acceptor in both sterile and nonsterile media. Ribulose diphosphate carboxylase was stable throughout the exponential growth phase and declined slowly only after cells reached the stationary phase. Reversible inactivation of the carboxylase occurred...

journal_title：Journal of bacteriology

authors： McFadden BA,Denend AR

更新日期：1972-05-01 00:00:00

abstract：:The weak organic acid sorbic acid is a commonly used food preservative, as it inhibits the growth of bacteria, yeasts, and molds. We have used genome-wide transcriptional profiling of Bacillus subtilis cells during mild sorbic acid stress to reveal the growth-inhibitory activity of this preservative and to identify po...

journal_title：Journal of bacteriology

authors： Ter Beek A,Keijser BJ,Boorsma A,Zakrzewska A,Orij R,Smits GJ,Brul S

更新日期：2008-03-01 00:00:00

abstract：:Twelve strains of Agrobacterium radiobacter isolated from naturally occurring crown galls or soil were found to be avirulent on sunflower, tomato, Kalanchoe, and carrot. Eleven strains contained plasmids of molecular weights 77 X 10(6) to 182 X 10(6) as determined by electron microscopy. One strain contained only a sm...

journal_title：Journal of bacteriology

authors： Merlo DJ,Nester EW

更新日期：1977-01-01 00:00:00

abstract：:A new osmotically inducible gene in Escherichia coli, osmY, was induced 8- to 10-fold by hyperosmotic stress and 2- to 3-fold by growth in complex medium. The osmY gene product is a periplasmic protein which migrates with an apparent molecular mass of 22 kDa on sodium dodecyl sulfate-polyacrylamide gels. A genetic fus...

journal_title：Journal of bacteriology

authors： Yim HH,Villarejo M

更新日期：1992-06-01 00:00:00

abstract：:Numerous field isolates of Moraxella bovis have previously been classified by serological techniques into seven serogroups, each defined by homologous cross-reaction with antisera prepared against purified pili of a single prototype strain. The gene encoding pilin from each of the prototype strains has been characteri...

journal_title：Journal of bacteriology

authors： Atwell JL,Tennent JM,Lepper AW,Elleman TC

更新日期：1994-08-01 00:00:00

abstract：:Vibrio vulnificus is a human pathogen that produces lethal septicemia in susceptible persons, and the primary virulence factor for this organism is capsular polysaccharide (CPS). The role of the capsule in V. vulnificus biofilms was examined under a variety of conditions, by using either defined CPS mutants or spontan...

journal_title：Journal of bacteriology

authors： Joseph LA,Wright AC

更新日期：2004-02-01 00:00:00

abstract：:Burchard, Robert P. (University of Minnesota, Minneapolis), and Martin Dworkin. Light-induced lysis and carotenogenesis in Myxococcus xanthus. J. Bacteriol. 91:535-545. 1966.-Myxococcus xanthus, grown vegetatively in the light, developed an orange carotenoid after the cells entered stationary phase of growth; pigment ...

journal_title：Journal of bacteriology

authors： Burchard RP,Dworkin M

更新日期：1966-02-01 00:00:00