Regions of Salmonella typhimurium flagellin essential for its polymerization and excretion.

abstract：:Formation of photosynthesis complexes in Rhodobacter sphaeroides is regulated in a redox- and light-dependent manner by the AppA/PpsR and PrrB/PrrA systems. While on the one hand, blue light is sensed by the flavin adenine dinucleotide-binding BLUF domain of AppA, on the other, light is absorbed by bacteriochlorophyll...

journal_title：Journal of bacteriology

authors： Metz S,Jäger A,Klug G

更新日期：2009-07-01 00:00:00

abstract：:Beta toxin is a neutral sphingomyelinase secreted by certain strains of Staphylococcus aureus. This virulence factor lyses erythrocytes in order to evade the host immune system as well as scavenge nutrients. The structure of beta toxin was determined at 2.4-A resolution using crystals that were merohedrally twinned. T...

journal_title：Journal of bacteriology

authors： Huseby M,Shi K,Brown CK,Digre J,Mengistu F,Seo KS,Bohach GA,Schlievert PM,Ohlendorf DH,Earhart CA

更新日期：2007-12-01 00:00:00

abstract：:Moat, Albert G. (Hahnemann Medical College, Philadelphia, Pa.), Isabel J. Barnes, and Eleanor H. McCurley. Factors affecting the survival of auxotrophs and prototrophs of Saccharomyces cerevisiae in mixed populations. J. Bacteriol. 92:297-301. 1966.-The conditions under which the number of yeast prototrophs, as well a...

journal_title：Journal of bacteriology

authors： Moat AG,Barnes IJ,McCurley EH

更新日期：1966-08-01 00:00:00

abstract：:In vitro deoxyribonucleic acid (DNA) synthesis systems based on an earlier system using pencillin have been developed which use osmotic lysis of lysozyme-formed spheroplasts of Escherichia coli cells embedded in an agarose matrix. An adenosine 5'-triphosphate (ATP)-dependent semiconservative mode, or replicative mode,...

journal_title：Journal of bacteriology

authors： Smith DW,Boerner P

更新日期：1975-04-01 00:00:00

abstract：:Temperate bacteriophages effect chromosomal evolution of their bacterial hosts, mediating rearrangements and the acquisition of novel genes from other taxa. Although the Haemophilus influenzae genome shows evidence of past phage-mediated lateral transfer, the phages presumed responsible have not been identified. To da...

journal_title：Journal of bacteriology

authors： Williams BJ,Golomb M,Phillips T,Brownlee J,Olson MV,Smith AL

更新日期：2002-12-01 00:00:00

abstract：:Bacteria possess multiple mechanisms to survive exposure to various chemical stresses and antimicrobial compounds. In the enteric bacterium Escherichia coli, three homologous transcription factors-MarA, SoxS, and Rob-play a central role in coordinating this response. Three separate systems are known to regulate the ex...

journal_title：Journal of bacteriology

authors： Chubiz LM,Glekas GD,Rao CV

更新日期：2012-09-01 00:00:00

abstract：:The divergence of Salmonella enterica and Escherichia coli is estimated to have occurred approximately 140 million years ago. Despite this evolutionary distance, the genomes of these two species still share extensive synteny and homology. However, there are significant differences between the two species in terms of g...

journal_title：Journal of bacteriology

authors： Bishop AL,Baker S,Jenks S,Fookes M,Gaora PO,Pickard D,Anjum M,Farrar J,Hien TT,Ivens A,Dougan G

更新日期：2005-04-01 00:00:00

abstract：:Studies were made on the physical and chemical properties of polysaccharides synthesized by cell-free extracts of Streptococcus mutans, Streptococcus sanguis, and Streptococcus sp. and their susceptibilities to dextranases. Among the polysaccharides examined, insoluble glucans were rather resistant to available dextra...

journal_title：Journal of bacteriology

authors： Ebisu S,Kato K,Kotani S,Misaki A

更新日期：1975-12-01 00:00:00

abstract：:Yersinia enterocolitica transports YscM1 and YscM2 via the type III pathway, a mechanism that is required for the establishment of bacterial infections. Prior to host cell contact, YscM1 and YscM2 exert posttranscriptional regulation to inhibit expression of effector yop genes, which encode virulence factors that trav...

journal_title：Journal of bacteriology

authors： Cambronne ED,Sorg JA,Schneewind O

更新日期：2004-02-01 00:00:00

abstract：:A survey of chromosomal variation in the ST239 clonal group of methicillin-resistant Staphylococcus aureus (MRSA) revealed a novel genetic element, ICE6013. The element is 13,354 bp in length, excluding a 6,551-bp Tn552 insertion. ICE6013 is flanked by 3-bp direct repeats and is demarcated by 8-bp imperfect inverted r...

journal_title：Journal of bacteriology

authors： Smyth DS,Robinson DA

更新日期：2009-10-01 00:00:00

abstract：:Recombinational repair-dependent mutants identify ways to avoid chromosomal lesions. Starting with a recBC(Ts) strain of Escherichia coli, we looked for mutants unable to grow at 42 degrees C in conditions that inactivate the RecBCD(Ts) enzyme. We isolated insertions in ackA and pta, which comprise a two-gene operon r...

journal_title：Journal of bacteriology

authors： Shi IY,Stansbury J,Kuzminov A

更新日期：2005-02-01 00:00:00

abstract：:The temperate phage TPW22, induced from Lactococcus lactis subsp. cremoris W22, and the evolutionarily interesting integrase of this phage were characterized. Phage TPW22 was propagated lytically on L. lactis subsp. cremoris 3107, which could also be lysogenized by site-specific integration. The attachment site (attP)...

journal_title：Journal of bacteriology

authors： Petersen A,Josephsen J,Johnsen MG

更新日期：1999-11-01 00:00:00

abstract：:Among mutants which require isoleucine, but not valine, for growth, we have found two distinguishable classes. One is defective in the biosynthetic enzyme threonine deaminase (l-threonine hydro-lyase, deaminating, EC 4.2.1.16) and the other has an altered isoleucyl transfer ribonucleic acid (tRNA) synthetase [l-isoleu...

journal_title：Journal of bacteriology

authors： Iaccarino M,Berg P

更新日期：1971-02-01 00:00:00

abstract：:Escherichia coli cells harboring a non-attenuated trp-lac operon fusion were used to evaluate the effects of indolmycin on the initiation of transcription at the trp promoter. Indolmycin caused repression in trpR+ strains and in trpR deletion mutants, although higher effector concentrations were required in the latter...

journal_title：Journal of bacteriology

authors： Bogosian G,Haydock PV,Somerville RL

更新日期：1983-02-01 00:00:00

abstract：:Cultures of a stable L-phase variant of Streptococcus faecium F24 produced and retained peptidoglycan precursors intracellularly over the entire growth cycle in a chemically defined medium. The identity of the most abundant precursor, UDP N-acetylmuramyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine (UDP-MurNAc-penta...

journal_title：Journal of bacteriology

authors： Gregory WW,Gooder H

更新日期：1978-09-01 00:00:00

abstract：:For Escherichia coli, growth on acetate requires the induction of the enzymes of the glyoxylate bypass, isocitrate lyase and malate synthase. The branch point between the glyoxylate bypass and the Krebs cycle is controlled by phosphorylation of isocitrate dehydrogenase (IDH), inhibiting that enzyme's activity and thus...

journal_title：Journal of bacteriology

authors： Ikeda T,LaPorte DC

更新日期：1991-03-01 00:00:00

abstract：:The enzyme diversity of the cellulolytic system produced by Clostridium cellulolyticum grown on crystalline cellulose as a sole carbon and energy source was explored by two-dimensional electrophoresis. The cellulolytic system of C. cellulolyticum is composed of at least 30 dockerin-containing proteins (designated cell...

journal_title：Journal of bacteriology

authors： Blouzard JC,Bourgeois C,de Philip P,Valette O,Bélaïch A,Tardif C,Bélaïch JP,Pagès S

更新日期：2007-03-01 00:00:00

abstract：:The regulatory element NosR was identified within the nos region of the denitrification gene cluster of Pseudomonas stutzeri ZoBell (ATCC 14405) and characterized. It is essential for expression of the N2O reductase encoded by nosZ immediately downstream of nosR. The nosR region was initially identified by Tn5 mutagen...

journal_title：Journal of bacteriology

authors： Cuypers H,Viebrock-Sambale A,Zumft WG

更新日期：1992-08-01 00:00:00

abstract：:The regulation of the asparagine synthetase A gene of Escherichia coli was studied in vitro with a coupled transcription-translation system. It was shown that the 17-kilodalton gene, which is transcribed divergently from the adjacent asnA gene, codes for an activator of asnA transcription. The synthesis of the 17-kilo...

journal_title：Journal of bacteriology

authors： Kölling R,Lother H

更新日期：1985-10-01 00:00:00

abstract：:The distribution of a pulse of teichoic acid-specific radiolabel between wall and membrane teichoic acids in pneumococci was constant over a subsequent chase period, suggesting that wall and membrane teichoic acids are biosynthesized simultaneously and independently. ...

journal_title：Journal of bacteriology

authors： Briles EB,Tomasz A

更新日期：1975-04-01 00:00:00

abstract：:The cyclic dinucleotides cyclic 3′,5′-diguanylate (c-di-GMP) and cyclic 3′,5′-diadenylate (c-di-AMP) have emerged as key components of bacterial signal transduction networks. These closely related second messengers follow the classical general principles of nucleotide signaling by integrating diverse signals into regu...

journal_title：Journal of bacteriology

authors： Tschowri N

更新日期：2016-01-01 00:00:00

abstract：:The human pathogen Eikenella corrodens expresses type IV pili and exhibits a phase variation involving the irreversible transition from piliated to nonpiliated variants. On solid medium, piliated variants form small (S-phase), corroding colonies whereas nonpiliated variants form large (L-phase), noncorroding colonies....

journal_title：Journal of bacteriology

authors： Villar MT,Hirschberg RL,Schaefer MR

更新日期：2001-01-01 00:00:00

abstract：:Bacterial Gre factors associate with RNA polymerase (RNAP) and stimulate intrinsic cleavage of the nascent transcript at the active site of RNAP. Biochemical and genetic studies to date have shown that Escherichia coli Gre factors prevent transcriptional arrest during elongation and enhance transcription fidelity. Fur...

journal_title：Journal of bacteriology

authors： Kusuya Y,Kurokawa K,Ishikawa S,Ogasawara N,Oshima T

更新日期：2011-06-01 00:00:00

abstract：:The hook-basal body (HBB) is a key intermediate structure in the flagellar assembly pathway in Salmonella typhimurium. The FlgM protein inhibits the flagellum-specific transcription factor sigma28 in the absence of the intact HBB structure and is secreted out of the cell following HBB completion. The flk gene encodes ...

journal_title：Journal of bacteriology

authors： Karlinsey JE,Tsui HC,Winkler ME,Hughes KT

更新日期：1998-10-01 00:00:00

abstract：:Recombinant plasmid pNP5, consisting of plasmid pMB9 on which the uvrB gene is cloned, fully complements for the defects due to chromosomal uvrB mutations in the presence of the amber suppressor sup-6 or supF. Correndonuclease II activity was also completely restored in in UvrB strains containing both plasmid pNP5 and...

journal_title：Journal of bacteriology

authors： Pannekoek H,Noordermeer I,van de Putte P

更新日期：1979-07-01 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

abstract：:A total of 12 VanA-type vancomycin-resistant enterococci, consisting of 10 Enterococcus faecium isolates and two Enterococcus avium isolates, were examined in detail. The vancomycin resistance conjugative plasmids pHTalpha (65.9 kbp), pHTbeta (63.7 kbp), and pHTgamma (66.5 kbp) were isolated from each of three differe...

journal_title：Journal of bacteriology

authors： Tomita H,Tanimoto K,Hayakawa S,Morinaga K,Ezaki K,Oshima H,Ike Y

更新日期：2003-12-01 00:00:00

abstract：:SufA, IscA, and Nfu have been proposed to function as scaffolds in the assembly of Fe/S clusters in bacteria. To investigate the roles of these proteins further, single and double null-mutant strains of Synechococcus sp. strain PCC 7002 were constructed by insertional inactivation of genes homologous to sufA, iscA, an...

journal_title：Journal of bacteriology

authors： Balasubramanian R,Shen G,Bryant DA,Golbeck JH

更新日期：2006-05-01 00:00:00

abstract：:In Salmonella enterica, the biosynthetic pathways for the generation of purines and the essential cofactor thiamine pyrophosphate branch after sharing five enzymatic steps. Phosphoribosyl amine (PRA) is the first intermediate in the common portion of the pathway and is generated from phosphoribosylpyrophosphate and gl...

journal_title：Journal of bacteriology

authors： Browne BA,Ramos AI,Downs DM

更新日期：2006-10-01 00:00:00

abstract：:The Rnf complex is a respiratory enzyme that catalyzes the oxidation of reduced ferredoxin to the reduction of NAD+, and the negative free energy change of this reaction is used to generate a transmembrane ion gradient. In one class of anaerobic acetogenic bacteria, the Rnf complex is believed to be essential for ener...

journal_title：Journal of bacteriology

authors： Westphal L,Wiechmann A,Baker J,Minton NP,Müller V

更新日期：2018-10-10 00:00:00