Organization of the genes for protein synthesis elongation factors Tu and G in the cyanobacterium Anacystis nidulans.

abstract：:The factors influencing the digestion of pebble-milled cellulose by enzymes were studied by using several strains of Ruminococcus albus including a mutant characterized by a more eccentric location of its colony in the clearing produced by digestion of the cellulose in the thin layer lining the wall of a culture tube....

journal_title：Journal of bacteriology

authors： Smith WR,Yu I,Hungate RE

更新日期：1973-05-01 00:00:00

abstract：:To identify the genes in coliphage 186 that are required for lysogeny, we isolated clear-plaque mutants. Complementation studies and DNA sequencing identified two genes, the cI gene for the immunity maintenance repressor and the cII gene, which is required only for the establishment of lysogeny. One mutant carried a c...

journal_title：Journal of bacteriology

authors： Lamont I,Richardson H,Carter DR,Egan JB

更新日期：1993-08-01 00:00:00

abstract：:Four regulated promoters that direct the transcription of genes (i.e., korA, tra, kilB, and korB) involved in the transfer of the Streptomyces plasmid pIJ101 were isolated following the in vitro fusion of plasmid DNA fragments to a promoterless gene encoding the S. lividans extracellular enzyme beta-galactosidase. Int...

journal_title：Journal of bacteriology

authors： Stein DS,Kendall KJ,Cohen SN

更新日期：1989-11-01 00:00:00

abstract：:The growth of strain araC(c)67, which produces the enzymes of the ara operon constitutively, is inhibited by the addition of ribitol. Isolation of strains resistant to ribitol yields mutants of either the araB or araC genes. A model to account for the inhibition by ribitol is discussed. ...

journal_title：Journal of bacteriology

authors： Katz L

更新日期：1970-05-01 00:00:00

abstract：:The survival of ultraviolet (UV)-irradiated cultures of Haemophilus influenzae Rd is determined by at least two responses: (i) excision-repair ability and (ii) UV-induced cell lysis. An UV-resistant mutant, BC200, has the same capabilities as the wild type, Rd, for excising dimers but does not exhibit lysis. Lytic res...

journal_title：Journal of bacteriology

authors： Barnhart BJ,Cox SH

更新日期：1970-07-01 00:00:00

abstract：:A number of independently derived uracil-requiring mutant strains of the parent strain 168 were mapped by inter-mutant transformation crosses. Only a few of these mutant strains were found to be transformable. Studies were performed in which these transformable uracil-requiring mutant strains were used as the recipien...

journal_title：Journal of bacteriology

authors： Kelleher RJ Jr,Gooder H

更新日期：1973-11-01 00:00:00

abstract：:In mycobacterial growth medium 40 to 400 microM citrate was required to solubilize 2 microM 55Fe. This solubilized 55Fe was taken up into both iron-deficient and iron sufficient washed cell suspensions of Mycobacterium smegmatis and Mycobacterium bovis BCG. Although the 55Fe was taken up into the cell, the citrate was...

journal_title：Journal of bacteriology

authors： Messenger AJ,Ratledge C

更新日期：1982-01-01 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：:Many of the gene products that participate in nitrogen metabolism are sensitive to nitrogen catabolite repression (NCR), i.e., their expression is decreased to low levels when readily used nitrogen sources such as asparagine are provided. Previous work has shown this NCR sensitivity requires the cis-acting UASNTR elem...

journal_title：Journal of bacteriology

authors： Coffman JA,el Berry HM,Cooper TG

更新日期：1994-12-01 00:00:00

abstract：:The symbiotic plasmid of Rhizobium etli CE3 belongs to the RepABC family of plasmid replicons. This family is characterized by the presence of three conserved genes, repA, repB, and repC, encoded by the same DNA strand. A long intergenic sequence (igs) between repB and repC is also conserved in all members of the plas...

journal_title：Journal of bacteriology

authors： Ramírez-Romero MA,Soberón N,Pérez-Oseguera A,Téllez-Sosa J,Cevallos MA

更新日期：2000-06-01 00:00:00

abstract：:Mated cultures of Blakeslea trispora, grown in a potato extract-glucose-thiamine medium, produced 10 to 15 times more beta-carotene than either unmated culture. Mated, but not unmated, cultures produced a family of compounds (beta factor) which stimulated carotenogenesis in unmated cultures. In fact, carotenogenesis w...

journal_title：Journal of bacteriology

authors： Sutter RP,Rafelson ME Jr

更新日期：1968-02-01 00:00:00

abstract：:In wild-type Escherichia coli the activity of the maltose transport system is dependent on a periplasmic maltose-binding protein. It has been possible, however, to isolate mutants in which transport activity is mediated by the membrane components of the system and is no longer dependent on the periplasmic binding prot...

journal_title：Journal of bacteriology

authors： Reyes M,Treptow NA,Shuman HA

更新日期：1986-03-01 00:00:00

abstract：:We previously described a cell surface anionic polysaccharide (APS) in Porphyromonas gingivalis that is required for cell integrity and serum resistance. APS is a phosphorylated branched mannan that shares a common epitope with posttranslational additions to some of the Arg-gingipains. This study aimed to determine th...

journal_title：Journal of bacteriology

authors： Rangarajan M,Aduse-Opoku J,Paramonov N,Hashim A,Bostanci N,Fraser OP,Tarelli E,Curtis MA

更新日期：2008-04-01 00:00:00

abstract：:Resistance of Staphylococcus aureus mediated by the penicillinase (Pc-ase) plasmid to divalent metal ions of Hg and Cd was found to be controlled by different mechanisms. The Hg resistance of the Pc-ase plasmid-carrying organisms is based upon a process of changing the ion incorporated in the cell into a somewhat inno...

journal_title：Journal of bacteriology

authors： Kondo I,Ishikawa T,Nakahara H

更新日期：1974-01-01 00:00:00

abstract：:Pili isolated from Pseudomonas aeruginosa PAK were solubilized in the detergent octyl-glucoside. Subsequent removal of the detergent by dialysis resulted in the formation of short rods of about 9 nm in diameter and various lengths. The aggregation process was followed by ultracentrifugation, viscometry, and electron m...

journal_title：Journal of bacteriology

authors： Watts TH,Scraba DG,Paranchych W

更新日期：1982-09-01 00:00:00

abstract：:Caulobacter crescentus initiates a single round of DNA replication during each cell cycle. Following the initiation of DNA replication, the essential CckA histidine kinase is activated by phosphorylation, which (via the ChpT phosphotransferase) enables the phosphorylation and activation of the CtrA global regulator. C...

journal_title：Journal of bacteriology

authors： Iniesta AA,Hillson NJ,Shapiro L

更新日期：2010-08-01 00:00:00

abstract：:The activity of bacterial alkaline phosphatase (PhoA) is dependent on it being exported across the plasma membrane. A plasmid vector (pJEM11) allowing fusions between phoA and genes encoding exported proteins was constructed to study protein export in mycobacteria. Introduction of the Mycobacterium fortuitum beta-lact...

journal_title：Journal of bacteriology

authors： Lim EM,Rauzier J,Timm J,Torrea G,Murray A,Gicquel B,Portnoi D

更新日期：1995-01-01 00:00:00

abstract：:Washed cell suspensions of Aquaspirillum magnetotacticum MS-1, A. itersonii E12639, Bacillus subtilis 6633, and Escherichia coli CSH27 translocated protons in response to the added oxidant O2 or NO3-, with triphenylmethylphosphonium bromide as the permeant ion. Iron respiration-driven proton translocation was observed...

journal_title：Journal of bacteriology

authors： Short KA,Blakemore RP

更新日期：1986-08-01 00:00:00

abstract：:The highly toxic oxyanion tellurite (TeO3(2-)) is a well known pro-oxidant in mammalian and bacterial cells. This work examines the effects of tellurite on the redox state of the electron transport chain of the facultative phototroph Rhodobacter capsulatus, in relation to the role of the thiol:disulfide oxidoreductase...

journal_title：Journal of bacteriology

authors： Borsetti F,Francia F,Turner RJ,Zannoni D

更新日期：2007-02-01 00:00:00

abstract：:Two isozymes of chorismate mutase (CA mutase(1) and CA mutase(2)) and two isozymes of prephenate dehydratase (PPA dehydratase(1) and PPA dehydratase(2)) have been found in Pseudomonas aeruginosa. The activities CA mutase(2)-PPA dehydratase(2) catalyzing phenylalanine biosynthesis have been purified almost 40-fold and ...

journal_title：Journal of bacteriology

authors： Ahmed SI,Campbell JJ

更新日期：1973-07-01 00:00:00

abstract：:Flavin-based electron bifurcation has recently been characterized as an essential energy conservation mechanism that is utilized by hydrogenotrophic methanogenic Archaea to generate low-potential electrons in an ATP-independent manner. Electron bifurcation likely takes place at the flavin associated with the α subunit...

journal_title：Journal of bacteriology

authors： Costa KC,Lie TJ,Xia Q,Leigh JA

更新日期：2013-11-01 00:00:00

abstract：:Nisin is a cationic antimicrobial peptide that belongs to the group of lantibiotics. It is thought to form oligomeric pores in the target membrane by a mechanism that requires the transmembrane electrical potential delta psi and that involves local pertubation of the lipid bilayer structure. Here we show that nisin do...

journal_title：Journal of bacteriology

authors： Moll GN,Clark J,Chan WC,Bycroft BW,Roberts GC,Konings WN,Driessen AJ

更新日期：1997-01-01 00:00:00

abstract：:Thermus thermophilus HB8 can grow anaerobically by using a membrane-bound nitrate reductase to catalyze the reduction of nitrate as a final electron acceptor in respiration. In contrast to other denitrifiers, the nitrite produced does not continue the reduction pathway but accumulates in the growth medium after its ac...

journal_title：Journal of bacteriology

authors： Ramírez S,Moreno R,Zafra O,Castán P,Vallés C,Berenguer J

更新日期：2000-04-01 00:00:00

abstract：:Very little is known about the role of DNA repair networks in Brucella abortus and its role in pathogenesis. We investigated the roles of RecA protein, DNA repair, and SOS regulation in B. abortus. While recA mutants in most bacterial species are hypersensitive to UV damage, surprisingly a B. abortus recA null mutant ...

journal_title：Journal of bacteriology

authors： Roux CM,Booth NJ,Bellaire BH,Gee JM,Roop RM 2nd,Kovach ME,Tsolis RM,Elzer PH,Ennis DG

更新日期：2006-07-01 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：:In Escherichia coli, cell division is mediated by the concerted action of about 12 proteins that assemble at the division site to presumably form a complex called the divisome. Among these essential division proteins, the multimodular class B penicillin-binding protein 3 (PBP3), which is specifically involved in septa...

journal_title：Journal of bacteriology

authors： Piette A,Fraipont C,Den Blaauwen T,Aarsman ME,Pastoret S,Nguyen-Distèche M

更新日期：2004-09-01 00:00:00

abstract：:Filaments of the heterocyst-forming cyanobacterium Anabaena variabilis reproduced 35SO4(2)-, incorporating 35S into cysteine, methionine, glutathione, sulfolipid, and several unidentified metabolites. The majority of the incorporated label accumulated in reduced glutathione. Heterocysts isolated from labeled filaments...

journal_title：Journal of bacteriology

authors： Giddings TH Jr,Wolk CP,Shomer-Ilan A

更新日期：1981-06-01 00:00:00

abstract：:AdnA is a transcription factor in Pseudomonas fluorescens that affects flagellar synthesis, biofilm formation, and sand adhesion. To identify the AdnA regulon, we used a promoterless Tn5-lacZ element to study the phenotypes of insertion mutants in the presence and absence of AdnA. Of 12,000 insertions, we identified s...

journal_title：Journal of bacteriology

authors： Robleto EA,López-Hernández I,Silby MW,Levy SB

更新日期：2003-01-01 00:00:00

abstract：:The diphtheria toxin repressor (DtxR) of Corynebacterium diphtheriae uses Fe(2+) as a corepressor. Holo-DtxR inhibits transcription from the iron-regulated promoters (IRPs) designated IRP1 through IRP5 as well as from the promoters for the tox and hmuO genes. DtxR binds to 19-bp operators with the consensus sequence 5...

journal_title：Journal of bacteriology

authors： Lee JH,Holmes RK

更新日期：2000-01-01 00:00:00

abstract：:Kawakami, Masaya (Gunma University, Maebashi, Japan), Nobutaka Osawa, and Susumu Mitsuhashi. Experimental salmonellosis. VII. Comparison of the immunizing effect of live vaccine and materials extracted from Salmonella enteritidis. J. Bacteriol. 92:1585-1589. 1966.-Attempts were made to isolate the factors of live vacc...

journal_title：Journal of bacteriology

authors： Kawakami M,Osawa N,Mitsuhashi S

更新日期：1966-12-01 00:00:00