Electron microscope and autoradiographic study of ultrastructural aspects of competence and deoxyribonucleic acid absorption in Bacillus subtilis: ultrastructure of competent and noncompetent cells and cellular changes during development of competence.

abstract：:Bacillus subtilis gene ypfP, which is located at 196 degrees on the genetic map, shows similarity to both the monogalactosyldiacylglycerol synthase gene of Cucumis sativus, which encodes a galactosyltransferase, and the murG genes of B. subtilis, Escherichia coli, Haemophilus influenzae, and Synechocystis sp. strain P...

journal_title：Journal of bacteriology

authors： Price KD,Roels S,Losick R

更新日期：1997-08-01 00:00:00

abstract：:Experiments are described in which the tensile strength, the initial (Youngs') modulus, and other mechanical properties of the bacterial cell wall were obtained as functions of relative humidity (RH) in the range of 20 to 95%. These properties were deduced from tensile tests on bacterial thread, a fiber consisting of ...

journal_title：Journal of bacteriology

authors： Thwaites JJ,Surana UC

更新日期：1991-01-01 00:00:00

abstract：:The alpha-aminoadipate pathway for the biosynthesis of lysine is present only in fungi and euglena. Until now, this unique metabolic pathway has never been investigated in the opportunistic fungal pathogens Candida albicans, Cryptococcus neoformans, and Aspergillus fumigatus. Five of the eight enzymes (homocitrate syn...

journal_title：Journal of bacteriology

authors： Garrad RC,Bhattacharjee JK

更新日期：1992-11-01 00:00:00

abstract：:Electron microscopy of thin sections of dormant and germinating spores of Bacillus subtilis 168 revealed a progressive change in the structure of the cortex, outer spore coat, and inner spore coat. The initial changes were observed in the cortex region, which showed a loose fibrous network within 10 min of germination...

journal_title：Journal of bacteriology

authors： Santo LY,Doi RH

更新日期：1974-10-01 00:00:00

abstract：:A comprehensive equation, upsilon = VM/[1 + (A0.5/Fru-P2)n] [ 1 + (Glc-6-P/I0.5)], has been proposed to represent the quantitative interrelationships between the rate of glucose utilization and the levels of glucose-6-phosphate and fructose-1,6-diphosphate in the intact Escherichia coli cell. This comprehensive equati...

journal_title：Journal of bacteriology

authors： Dietzler DN,Leckie MP,Crimmins DL,Ungar JM,Sternheim WL

更新日期：1976-10-01 00:00:00

abstract：:Entry into intestinal epithelial cells is an essential step in the pathogenesis of Salmonella infections. Our laboratory has previously identified a genetic locus, inv, that is necessary for efficient entry of Salmonella typhimurium into cultured epithelial cells. We have carried out a molecular and functional analysi...

journal_title：Journal of bacteriology

authors： Eichelberg K,Ginocchio CC,Galán JE

更新日期：1994-08-01 00:00:00

abstract：:Genetic studies have identified a specificity domain for prohead binding in the C-terminal 32 amino acids of gpA, the large subunit of bacteriophage lambda terminase (S. Frackman, D. A. Siegele, and M. Feiss, J. Mol. Biol. 180:283-300, 1984). In the present work, an amber mutation, Aam42, in the fifth-to-last codon of...

journal_title：Journal of bacteriology

authors： Sippy J,Feiss M

更新日期：1992-02-01 00:00:00

abstract：:Rabbits immunized with mucopeptide derived from cell wall debris of Streptococcus agalactiae by use of the formamide extraction technique developed specific antibodies for bovine heart, skeletal muscle, lymph nodes, and blood buffy coat extracts. ...

journal_title：Journal of bacteriology

authors： Dodd K,Norcross NL

更新日期：1967-02-01 00:00:00

abstract：:The effect of plasmid CAM-OCT on responses to UV irradiation was compared in Pseudomonas aeruginosa, in Pseudomonas putida, and in Pseudomonas putida mutants carrying mutations in UV response genes. CAM-OCT substantially increased both survival and mutagenesis in the two species. P. aeruginosa strains without CAM-OCT ...

journal_title：Journal of bacteriology

authors： McBeth DL

更新日期：1989-02-01 00:00:00

abstract：:The antiadaptor protein IraD inhibits the proteolysis of the alternative sigma factor, RpoS, which promotes the synthesis of >100 genes during the general stress response and during stationary phase. Our previous results showed that IraD determines RpoS steady-state levels during exponential growth and mediates its st...

journal_title：Journal of bacteriology

authors： Merrikh H,Ferrazzoli AE,Lovett ST

更新日期：2009-12-01 00:00:00

abstract：:The control of the synthesis of certain key enzymes of aromatic amino acid biosynthesis was studied. Tyrosine represses the first enzyme of the 3-deoxy-d-arabino heptulosonic acid 7-phosphate pathway, DAHP synthetase, as well as shikimate kinase and chorismate mutase about fivefold in cultures grown under conditions l...

journal_title：Journal of bacteriology

authors： Nester EW,Jensen RA,Nasser DS

更新日期：1969-01-01 00:00:00

abstract：:We examined tryptophan regulation in merodiploid hybrids in which a plasmid carrying the trp operon of Escherichia was introduced into Trp mutants of other enteric genera, or in which a plasmid carrying the trpR+ (repressor) gene of E. coli was transfered into fully constitutive trpR mutants of other genera. In these ...

journal_title：Journal of bacteriology

authors： Manson MD,Yanofsky C

更新日期：1976-05-01 00:00:00

abstract：:Total synthesis of acetate from CO2 by Clostridium acidiurici during fermentations of hypoxanthine has been shown to involve synthesis of glycine from methylenetetrahydrofolate, CO2, and NH3. The glycine is converted to serine by the addition of methylenetetrahydrofolate, and the resulting serine is converted to pyruv...

journal_title：Journal of bacteriology

authors： Waber LJ,Wood HG

更新日期：1979-11-01 00:00:00

abstract：:The Tat system is a recently discovered protein export pathway that serves to translocate folded proteins, often containing redox cofactors, across the bacterial cytoplasmic membrane. Here we report that tat strains are associated with a mutant cell septation phenotype, where chains of up to 10 cells are evident. Muta...

journal_title：Journal of bacteriology

authors： Stanley NR,Findlay K,Berks BC,Palmer T

更新日期：2001-01-01 00:00:00

abstract：:Upon induction, Bacillus megaterium 216 produces the bacteriocin megacin A-216, which leads to lysis of the producer cell and kills B. megaterium and a few other bacterial species. The DNA region responsible for megacinogeny was cloned in B. megaterium. The nucleotide sequence of a 5,494-bp-long subfragment was determ...

journal_title：Journal of bacteriology

authors： Kiss A,Balikó G,Csorba A,Chuluunbaatar T,Medzihradszky KF,Alföldi L

更新日期：2008-10-01 00:00:00

abstract：:Tsukada, Yoji (Kyoto University, Kyoto, Japan), Tsunetake Sugimori, Kazutami Imai, and Hideo Katagiri. Action of cycloheximide on Zygosaccharomyces soja. J. Bacteriol. 83:70-75. 1962.-Cycloheximide is known to inhibit the growth of some species of Saccharomyces and other fungi. A new type of action of this antibiotic,...

journal_title：Journal of bacteriology

authors： TSUKADA Y,SUGIMORI T,IMAI K,KATAGIRI H

更新日期：1962-01-01 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：:Both alpha-tocopherolquinol and alpha-tocopherolquinone were found in 56 of 93 strains of microorganisms examined. Organisms that contained these compounds included the single example of a eucaryotic alga, a Euglena, and a cyanobacterium (blue-green alga), 22 of 32 genera of bacteria, and 9 genera of yeasts. In the ba...

journal_title：Journal of bacteriology

authors： Hughes PE,Tove SB

更新日期：1982-09-01 00:00:00

abstract：:Bacillus subtilis 168ts-200B is a temperature-sensitive mutant of B. subtilis 168 which grows as rods at 30 C but as irregular spheres at 45 C. Growth at the nonpermissive temperature resulted in a deficiency of teichoic acid in the cell wall. A decrease in teichoic acid synthesis coupled with the rapid turnover of th...

journal_title：Journal of bacteriology

authors： Boylan RJ,Mendelson NH,Brooks D,Young FE

更新日期：1972-04-01 00:00:00

abstract：:CRM 228 (T. Uchida, A. M. Pappenheimer, and R. Greany, J. Biol. Chem. 248:3838-3844, 1973), a mutant form of diphtheria toxin which completely lacks ADP-ribosyltransferase activity, contains five amino acid substitutions. The two amino acid changes that fall within the A chain of the toxin (G79D and E162K) were separa...

journal_title：Journal of bacteriology

authors： Johnson VG,Nicholls PJ

更新日期：1994-08-01 00:00:00

abstract：:Broad-host-range plasmids and cloning vectors were conjugatively transferred to Acetobacter xylinum. One of the plasmids, RP4::Mu cts61, was used for the insertion of Tn1 into the 16-, 44-, and 64-kilobase-pair plasmids of A. xylinum. The Tn1-labeled plasmids could be mobilized by a helper plasmid. Many of the Tn1 ins...

journal_title：Journal of bacteriology

authors： Valla S,Coucheron DH,Kjosbakken J

更新日期：1986-01-01 00:00:00

abstract：:The Escherichia coli K42 capsular polysaccharide consists of leads to 3)-alpha-D-Galp-(1 leads to 3)-alpha-D-GalUAp-(1 leads to 3)-alpha-L-Fucp-(1 leads to repeating units. The E. coli K42 and Klebsiella K63 antigens are serologically identical. ...

journal_title：Journal of bacteriology

authors： Niemann H,Chakraborty AK,Friebolin H,Stirm S

更新日期：1978-01-01 00:00:00

abstract：:The metabolism of mRNA from the lactose (lac) operon of Escherichia coli has been studied in ribonuclease (RNase) III-deficient strains (rnc-105). The induction lag for beta-galactosidase from the first gene was twice as long, and enzyme synthesis was reduced 10-fold in one such mutant compared with its isogenic rnc+ ...

journal_title：Journal of bacteriology

authors： Talkad V,Achord D,Kennell D

更新日期：1978-08-01 00:00:00

abstract：:The symbiotic interaction between Rhizobium etli and Phaseolus vulgaris, the common bean plant, ultimately results in the formation of nitrogen-fixing nodules. Many aspects of the intermediate and late stages of this interaction are still poorly understood. The R. etli relA gene was identified through a genome-wide sc...

journal_title：Journal of bacteriology

authors： Moris M,Braeken K,Schoeters E,Verreth C,Beullens S,Vanderleyden J,Michiels J

更新日期：2005-08-01 00:00:00

abstract：:Transcription of the ferric citrate transport genes of Escherichia coli is induced by ferric citrate bound to the outer membrane receptor FecA. Additional ferric citrate-specific regulatory proteins are FecR in the cytoplasmic membrane and the FecI sigma factor in the cytoplasm. To further understand the assumed FecR-...

journal_title：Journal of bacteriology

authors： Welz D,Braun V

更新日期：1998-05-01 00:00:00

abstract：:PsaA, the subunit of the fimbria originally referred to as the "pH 6 antigen," is required for full virulence of Yersinia pestis during bubonic plague. The expression of psaA is dependent upon specific environmental signals, and while the signals (high temperature and acidic pH) are defined, the mechanisms underlying ...

journal_title：Journal of bacteriology

authors： Quinn JD,Weening EH,Miner TA,Miller VL

更新日期：2019-07-24 00:00:00

abstract：:The genome sequence of the enteric bacterial pathogen Campylobacter jejuni NCTC 11168 (11168-GS) was published in 2000, providing a valuable resource for the identification of C. jejuni-specific colonization and virulence factors. Surprisingly, the 11168-GS clone was subsequently found to colonize 1-day-old chicks fol...

journal_title：Journal of bacteriology

authors： Gaynor EC,Cawthraw S,Manning G,MacKichan JK,Falkow S,Newell DG

更新日期：2004-01-01 00:00:00

abstract：:Agrobacterium tumefaciens VirD2 polypeptide, in the presence of VirD1, catalyzes a site- and strand-specific nicking reaction at the T-DNA border sequences. VirD2 is found tightly attached to the 5' end of the nicked DNA. The protein-DNA complex is presumably formed via a tyrosine residue of VirD2 (F. Durrenberger, A....

journal_title：Journal of bacteriology

authors： Vogel AM,Das A

更新日期：1992-01-01 00:00:00

abstract：:The Escherichia coli dnaN159 allele encodes a mutant form of the beta-sliding clamp (beta159) that is impaired for interaction with the replicative DNA polymerase (Pol), Pol III. In addition, strains bearing the dnaN159 allele require functional Pol I for viability. We have utilized a combination of genetic and bioche...

journal_title：Journal of bacteriology

authors： Maul RW,Sanders LH,Lim JB,Benitez R,Sutton MD

更新日期：2007-07-01 00:00:00

abstract：:The rice pathogen recognition receptor, XA21, confers resistance to Xanthomonas oryzae pv. oryzae strains producing the type one system-secreted molecule, AvrXA21. X. oryzae pv. oryzae requires a regulatory two-component system (TCS) called RaxRH to regulate expression of eight rax (required for AvrXA21 activity) gene...

journal_title：Journal of bacteriology

authors： Lee SW,Jeong KS,Han SW,Lee SE,Phee BK,Hahn TR,Ronald P

更新日期：2008-03-01 00:00:00