Ribosomes of the extremely thermophilic eubacterium Thermotoga maritima are uniquely insensitive to the miscoding-inducing action of aminoglycoside antibiotics.

abstract：:We analyzed 12 individual codons, which differed widely with respect to the frequency of use in Escherichia coli and the abundance of the corresponding tRNAs, for their influence on the coupling between transcription and translation. This was probed by determining the effects of codon substitutions in the leader pepti...

journal_title：Journal of bacteriology

authors： Bonekamp F,Dalbøge H,Christensen T,Jensen KF

更新日期：1989-11-01 00:00:00

abstract：:Tetragenococcus halophila D10 catalyzes the decarboxylation of L-aspartate with nearly stoichiometric release of L-alanine and CO(2). This trait is encoded on a 25-kb plasmid, pD1. We found in this plasmid a putative asp operon consisting of two genes, which we designated aspD and aspT, encoding an L-aspartate-beta-de...

journal_title：Journal of bacteriology

authors： Abe K,Ohnishi F,Yagi K,Nakajima T,Higuchi T,Sano M,Machida M,Sarker RI,Maloney PC

更新日期：2002-06-01 00:00:00

abstract：:Studies of mitochondrial biogenesis in yeast have been hampered by a lack of suitable membrane markers in anaerobically grown cells subsequently grown in air. Cytochrome c peroxidase activity and subcellular location was studied to determine whether it would be a useful marker for an analysis of mitochondrial formatio...

journal_title：Journal of bacteriology

authors： Avers CJ

更新日期：1967-10-01 00:00:00

abstract：:Enterohemorrhagic Escherichia coli (EHEC) O157:H7 is responsible for worldwide outbreaks of bloody diarrhea, hemorrhagic colitis, and life-threatening hemolytic uremic syndrome. After colonizing the large intestine, EHEC forms attaching and effacing (AE) lesions on intestinal epithelial cells. These lesions cause dest...

journal_title：Journal of bacteriology

authors： Reading NC,Torres AG,Kendall MM,Hughes DT,Yamamoto K,Sperandio V

更新日期：2007-03-01 00:00:00

abstract：:Two clindamycin-erythromycin resistance transfer factors of Bacteroides fragilis, pBF4 and pBFTM10, were analyzed for regions of DNA homology. Although the plasmids were derived from different clinical isolates of B. fragilis and have different sizes, they showed homology in the clindamycin-erythromycin resistance reg...

journal_title：Journal of bacteriology

authors： Shimell MJ,Smith CJ,Tally FP,Macrina FL,Malamy MH

更新日期：1982-11-01 00:00:00

abstract：:The essential gene efg, which complements ammonia-dependent growth (adgA) mutations in Rhodobacter capsulatus and is located at 38.1 min on the Escherichia coli chromosome, was found to code for NH3-dependent NAD synthetase. Crude extracts from a strain which overproduces the efg gene product contained up to 400 times...

journal_title：Journal of bacteriology

authors： Willison JC,Tissot G

更新日期：1994-06-01 00:00:00

abstract：:Infection of Escherichia coli with amber mutants of phage fd, in contrast to infection with wild-type phage, leads to cell death and the proliferation of intracytoplasmic membranes observed in electron micrographs at the poles of the cells. The accumulation of membranes correlates with changes in structural phospholip...

journal_title：Journal of bacteriology

authors： Onishi Y

更新日期：1971-09-01 00:00:00

abstract：:The multicellular developmental cycle of Myxococcus xanthus requires large-scale changes in gene transcription, and recent findings indicate that NtrC-like activators play a prominent role in regulating these changes. In this study, we made insertions in 28 uncharacterized ntrC-like activator (nla) genes and found tha...

journal_title：Journal of bacteriology

authors： Caberoy NB,Welch RD,Jakobsen JS,Slater SC,Garza AG

更新日期：2003-10-01 00:00:00

abstract：:The uptake of homologous DNA by Haemophilus influenzae was studied as a function of the proton motive force in completely competent cultures in the pH range of 6 to 8. The composition and magnitude of the proton motive force were varied by using the ionophores valinomycin and nigericin (in the presence of various pota...

journal_title：Journal of bacteriology

authors： Bremer W,Kooistra J,Hellingwerf KJ,Konings WN

更新日期：1984-03-01 00:00:00

abstract：:In Listeria monocytogenes, the full details of how stress signals are integrated into the σB regulatory pathway are not yet available. To help shed light on this question, we investigated a collection of transposon mutants that were predicted to have compromised activity of the alternative sigma factor B (σB). These m...

journal_title：Journal of bacteriology

authors： Guerreiro DN,Wu J,Dessaux C,Oliveira AH,Tiensuu T,Gudynaite D,Marinho CM,Boyd A,García-Del Portillo F,Johansson J,O'Byrne CP

更新日期：2020-04-09 00:00:00

abstract：:Bacterial chemotaxis is based on modulation of the probability to switch the direction of flagellar rotation. Responses to many stimuli are transduced by a two-component system via reversible phosphorylation of CheY, a small cytoplasmic protein that directly interacts with the switch complex at the flagellar motor. We...

journal_title：Journal of bacteriology

authors： Montrone M,Oesterhelt D,Marwan W

更新日期：1996-12-01 00:00:00

abstract：:Unsaturated fatty acid (ufa) auxotrophs of Neurospora crassa were obtained by treatment of conidia with N-methyl-N'-nitro-N-nitrosoguanidine followed by isolation on media containing polyunsaturated fatty acids suspended in Tergitol NP-40. The 24 mutants for which reisolates were obtained from crosses with wild type w...

journal_title：Journal of bacteriology

authors： Scott WA

更新日期：1977-06-01 00:00:00

abstract：:The polar pili of Pseudomonas aeruginosa are composed of subunits encoded by the pilA gene. Expression of pilA requires the alternative sigma factor RpoN and a pair of regulatory elements, PilS and PilR. These two proteins are members of the two-component regulatory family, in which PilS is the sensory component and P...

journal_title：Journal of bacteriology

authors： Boyd JM,Lory S

更新日期：1996-02-01 00:00:00

abstract：:Amplification of the mraY gene, previously called open reading frame Y (ORF-Y, 1,080 bp), at 2 min in the chromosome map of Escherichia coli enhanced the activity of UDP-N-acetylmuramoyl-pentapeptide: undecaprenyl-phosphate phospho-N-acetylmuramoyl-pentapeptide transferase (EC 2.7.8.13). This enzyme catalyzes the form...

journal_title：Journal of bacteriology

authors： Ikeda M,Wachi M,Jung HK,Ishino F,Matsuhashi M

更新日期：1991-02-01 00:00:00

abstract：:Little is known about the effect of the host on the genetic stability of bacterial plant pathogens. Crown gall, a plant disease caused by Agrobacterium tumefaciens, may represent a useful model to study this effect. Indeed, our previous observations on the natural occurrence and origin of nonpathogenic agrobacteria su...

journal_title：Journal of bacteriology

authors： Bélanger C,Canfield ML,Moore LW,Dion P

更新日期：1995-07-01 00:00:00

abstract：:Tectiviridae is a family of tailless bacteriophages with Gram-negative and Gram-positive hosts. The family model PRD1 and its close relatives all infect a broad range of enterobacteria by recognizing a plasmid-encoded conjugal transfer complex as a receptor. In contrast, tectiviruses with Gram-positive hosts are highl...

journal_title：Journal of bacteriology

authors： Kan S,Fornelos N,Schuch R,Fischetti VA

更新日期：2013-10-01 00:00:00

abstract：:Sinorhizobium meliloti strains lacking BacA function are impaired in symbiosis with alfalfa host plants and display altered sensitivities to a number of compounds relative to wild-type strains. With the goal of finding clues to the currently unknown biological function(s) of BacA, we carried out a genetic analysis to ...

journal_title：Journal of bacteriology

authors： LeVier K,Walker GC

更新日期：2001-11-01 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：:The conditions for the infection of Bacillus stearothermophilus 4S with TP-1C phage deoxyribonucleic acid (DNA) are described. Cells from log-phase cultures are the most susceptible to phage DNA infection (transfection). A cellular component (competence factor) which enhances transfection is released into the culture ...

journal_title：Journal of bacteriology

authors： Streips UN,Welker NE

更新日期：1971-06-01 00:00:00

abstract：:The effect of adding hemin to anaerobically grown cells of a strain of Staphylococcus epidermidis, which was heme-deficient due to anaerobic growth, has been examined. Cells grown anaerobically in media containing hemin exhibited a marked increase in several oxidative activities as compared with cells grown anaerobica...

journal_title：Journal of bacteriology

authors： Jacobs NJ,Maclosky ER,Conti SF

更新日期：1967-01-01 00:00:00

abstract：:Smith, Paul F. (University of Pennsylvania, Philadelphia) and George H. Rothblat. Comparison of pleuropneumonia-like and L-type organisms. J. Bacteriol. 83:500-506. 1962.-The content of total lipid and nonsaponifiable lipid depended upon the type of organism; the greatest amounts were found in pleuropneumonia-like org...

journal_title：Journal of bacteriology

authors： SMITH PF,ROTHBLAT GH

更新日期：1962-03-01 00:00:00

abstract：:In aquatic environments, Caulobacter spp. can be found at the boundary between liquid and air known as the neuston. I report an approach to study temporal features of Caulobacter crescentus colonization and pellicle biofilm development at the air-liquid interface and have defined the role of cell surface structures in...

journal_title：Journal of bacteriology

authors： Fiebig A

更新日期：2019-08-22 00:00:00

abstract：:Listeria monocytogenes is a gram-positive, psychotrophic, food-borne pathogen which is able to grow in osmotically stressful environments. Carnitine (beta-hydroxy-L-tau-N-trimethyl aminobutyrate) can contribute significantly to growth of L. monocytogenes at high osmolarity (R. R. Beumer, M. C. te Giffel, L. J. Cox, F....

journal_title：Journal of bacteriology

authors： Verheul A,Rombouts FM,Beumer RR,Abee T

更新日期：1995-06-01 00:00:00

abstract：:The phs mutation, which causes a pleiotropic growth defect, has been mapped and shown to be an allele of rpoA, the gene for the alpha subunit of RNA polymerase. The mutation is shown to cause a transcription defect in the arabinose operon, araBAD. ...

journal_title：Journal of bacteriology

authors： Rowland GC,Giffard PM,Booth IR

更新日期：1985-11-01 00:00:00

abstract：:We previously reported that the methicillin resistance gene mecA is carried by a novel type of mobile genetic element, SCCmec (staphylococcal cassette chromosome mec), in the chromosome of methicillin-resistant Staphylococcus aureus (MRSA). These elements are precisely excised from the chromosome and integrated into a...

journal_title：Journal of bacteriology

authors： Katayama Y,Takeuchi F,Ito T,Ma XX,Ui-Mizutani Y,Kobayashi I,Hiramatsu K

更新日期：2003-05-01 00:00:00

abstract：:Rotation of the bacterial flagellar motor is powered by a transmembrane gradient of protons or, in some species, sodium ions. The molecular mechanism of coupling between ion flow and motor rotation is not understood. The proteins most closely involved in motor rotation are MotA, MotB, and FliG. MotA and MotB are trans...

journal_title：Journal of bacteriology

authors： Zhou J,Sharp LL,Tang HL,Lloyd SA,Billings S,Braun TF,Blair DF

更新日期：1998-05-01 00:00:00

abstract：:In growing cultures of Escherichia coli, the nonacylated glycerol of phosphatidylglycerol (PG) is labeled more rapidly than is the acylated glycerol. This is, in part, due to a rapid exchange reaction of the nonacylated glycerol. Only some of the PG molecules undergo this reaction while others are stable. Using a muta...

journal_title：Journal of bacteriology

authors： Ballesta JP,De Garcia CL,Schaechter M

更新日期：1973-10-01 00:00:00

abstract：:The citrate transporter CitP of lactic acid bacteria catalyzes electrogenic precursor-product exchange of citrate versus L-lactate during citrate-glucose cometabolism. In the absence of sugar, L-lactate is replaced by the metabolic intermediates/end products pyruvate, α-acetolactate, and acetate. In this study, the bi...

journal_title：Journal of bacteriology

authors： Pudlik AM,Lolkema JS

更新日期：2012-07-01 00:00:00

abstract：:Agrobacterium tumefaciens R10 was mutagenized by using the promoter probe transposon Tn5-gusA7, and a library of approximately 5,000 transcriptional fusions was screened for octopine-inducible patterns of gene expression. Twenty-one mutants carrying strongly inducible gusA fusions, 20 of which showed defects in the ca...

journal_title：Journal of bacteriology

authors： Cho K,Fuqua C,Martin BS,Winans SC

更新日期：1996-04-01 00:00:00

abstract：:The Lyme disease agent Borrelia burgdorferi maintains both linear and circular plasmids that appear to be essential for mammalian infection. Recent studies have characterized the circular plasmid regions that confer autonomous replication, but the genetic elements necessary for linear plasmid maintenance have not been...

journal_title：Journal of bacteriology

authors： Stewart PE,Chaconas G,Rosa P

更新日期：2003-05-01 00:00:00