Oxidative metabolism of Haemophilus species grown at different levels of hemin supplementation.

abstract：:Burkholderia cenocepacia strain K56-2, a representative of the Burkholderia cepacia complex, is part of the epidemic and clinically problematic ET12 lineage. The strain produced plant tissue watersoaking (ptw) on onion tissue, which is a plant disease-associated trait. Using plasposon mutagenesis, mutants in the ptw p...

journal_title：Journal of bacteriology

authors： Engledow AS,Medrano EG,Mahenthiralingam E,LiPuma JJ,Gonzalez CF

更新日期：2004-09-01 00:00:00

abstract：:The plasmid nature of genes specifying degradation of nicotine and nicotinate in Pseudomas convexa strain 1 (Pc1) is indicated by mitomycin curing and conjugational transfer to other strains. The NIC plasmid appears to be compatible with other metabolic plasmids in Pseudomonas putida. ...

journal_title：Journal of bacteriology

authors： Thacker R,Rørvig O,Kahlon P,Gunsalus IC

更新日期：1978-07-01 00:00:00

abstract：:MobB is a small protein encoded by the broad-host-range plasmid R1162 and required for efficient mobilization of its DNA during conjugation. The protein was shown previously to stabilize the relaxosome, the complex of plasmid DNA and mobilization proteins at the origin of transfer (oriT). We have generated in-frame mo...

journal_title：Journal of bacteriology

authors： Perwez T,Meyer RJ

更新日期：1999-04-01 00:00:00

abstract：:In Rhodobacter sphaeroides, MreB, MreC, MreD, PBP2, and RodA are encoded at the same locus. The localizations of PBP2, MreB, and MreC, which have all been implicated in the synthesis of the peptidoglycan layer, were investigated under different growth conditions to gain insight into the relationships between these pro...

journal_title：Journal of bacteriology

authors： Slovak PM,Porter SL,Armitage JP

更新日期：2006-03-01 00:00:00

abstract：:The light organ of the squid Euprymna scolopes is specifically colonized to a high density by the marine bacterium Vibrio fischeri. To date, only a few factors contributing to the specificity of this symbiosis have been identified. Using a genetic screen for random transposon mutants defective in initiating the symbio...

journal_title：Journal of bacteriology

authors： Visick KL,Skoufos LM

更新日期：2001-02-01 00:00:00

abstract：:The Escherichia coli adhesin involved in diffuse adherence (AIDA-I) is a multifunctional autotransporter protein that mediates bacterial aggregation and biofilm formation, as well as adhesion and invasion of cultured epithelial cells. To elucidate the structure-function relationships of AIDA-I, we performed transposon...

journal_title：Journal of bacteriology

authors： Charbonneau ME,Mourez M

更新日期：2007-12-01 00:00:00

abstract：:The tuf gene which encodes peptide chain elongation factor Tu was found to be duplicated in nine enteric and four nonenteric gram-negative bacteria, but present only in one copy in two gram-positive genera. In two of the nonenteric gram-negative genera, Pseudomonas and Caulobacter, the duplicate tuf genes were found t...

journal_title：Journal of bacteriology

authors： Filer D,Furano AV

更新日期：1981-12-01 00:00:00

abstract：:During sporulation in diploid Saccharomyces cerevisiae, spindle pole bodies acquire the so-called meiotic plaque, a prerequisite for spore formation. Mpc70p is a component of the meiotic plaque and is thus essential for spore formation. We show here that MPC70/mpc70 heterozygous strains most often produce two spores i...

journal_title：Journal of bacteriology

authors： Wesp A,Prinz S,Fink GR

更新日期：2001-04-01 00:00:00

abstract：:In gram-negative bacteria, the RNA-binding protein Hfq has emerged as an important regulatory factor in a variety of physiological processes, including stress resistance and virulence. In Escherichia coli, Hfq modulates the stability or the translation of mRNAs and interacts with numerous small regulatory RNAs. Here, ...

journal_title：Journal of bacteriology

authors： Christiansen JK,Larsen MH,Ingmer H,Søgaard-Andersen L,Kallipolitis BH

更新日期：2004-06-01 00:00:00

abstract：:Haemophilus influenzae is a common gram-negative pathogen that initiates infection by colonizing the upper respiratory tract epithelium. In previous work, we reported the isolation of a locus involved in expression of short, thin surface fibrils by H. influenzae type b and presented evidence that surface fibrils promo...

journal_title：Journal of bacteriology

authors： St Geme JW 3rd,Cutter D,Barenkamp SJ

更新日期：1996-11-01 00:00:00

abstract：:The cell walls of a selected isolate of Staphylococcus aureus FDA 209P were observed undergoing progressive disintegration when exposed to lysostaphin (1 unit/ml) in 24% NaCl solution. Electron micrographs of ultrathin sections of test cells after exposure to lysostaphin for 2 min showed only superficial evidence of l...

journal_title：Journal of bacteriology

authors： Schuhardt VT,Huber TW,Pope LM

更新日期：1969-01-01 00:00:00

abstract：:Sporolactobacillus inulinus CASD is an efficient D-lactic acid producer with high optical purity. Here we report for the first time the draft genome sequence of S. inulinus (2,930,096 bp). The large number of annotated two-component system genes makes it possible to explore the mechanism of extraordinary lactate toler...

journal_title：Journal of bacteriology

authors： Yu B,Su F,Wang L,Xu K,Zhao B,Xu P

更新日期：2011-10-01 00:00:00

abstract：:Campylobacter jejuni, a spiral-shaped gram-negative bacterium, is a leading bacterial cause of human food-borne illness. Acute disease is associated with C. jejuni invasion of the intestinal epithelium. Further, maximal host cell invasion requires the secretion of proteins termed Campylobacter invasion antigens (Cia)....

journal_title：Journal of bacteriology

authors： Malik-Kale P,Parker CT,Konkel ME

更新日期：2008-04-01 00:00:00

abstract：:Mutations in the araC gene of Escherichia coli B/r were isolated which alter both activation of the araBAD operon expression and autoregulation. The mutations were isolated on an araC-containing plasmid by hydroxylamine mutagenesis of plasmid DNA. The mutant phenotype selected was the inability to autoregulate. The DN...

journal_title：Journal of bacteriology

authors： Cass LG,Wilcox G

更新日期：1986-06-01 00:00:00

abstract：:The biodegradative threonine dehydratase (tdc) operon was mapped at 68 min on the Escherichia coli K-12 chromosome. The order of markers in the clockwise direction was dnaG uxaA tdc argG. A tdc deletion was isolated and mapped to this region of the chromosome. By using a tdcB-lacZ fusion the clockwise direction of tra...

journal_title：Journal of bacteriology

authors： Schweizer HP,Datta P

更新日期：1988-11-01 00:00:00

abstract：:The respiratory control of adhE, which encodes ethanol (alcohol) dehydrogenase in Escherichia coli, was examined at the transcriptional level by using various phi (adhE'-lacZ) adhE+ merodiploid strains. Expression of the adhE'-lacZ operon fusion was increased about eightfold by anaerobic growth. Under anaerobic growth...

journal_title：Journal of bacteriology

authors： Chen YM,Lin EC

更新日期：1991-12-01 00:00:00

abstract：:In this study, we cloned the Pseudomonas aeruginosa zwf gene, encoding glucose-6-phosphate dehydrogenase (G6PDH), an enzyme that catalyzes the NAD+- or NADP+-dependent conversion of glucose-6-phosphate to 6-phosphogluconate. The predicted zwf gene product is 490 residues, which could form a tetramer with a molecular m...

journal_title：Journal of bacteriology

authors： Ma JF,Hager PW,Howell ML,Phibbs PV,Hassett DJ

更新日期：1998-04-01 00:00:00

abstract：:Two sensor proteins, NarX and NarQ, mediate nitrate regulation of anaerobic respiratory gene expression. Either of these sensors is sufficient to signal the presence of nitrate to the response regulator protein, NarL, a transcriptional activator and repressor. Two observations suggested the existence of a second respo...

journal_title：Journal of bacteriology

authors： Rabin RS,Stewart V

更新日期：1993-06-01 00:00:00

abstract：:The importance of proton movements was assessed in the moderate halophile Vibrio costicola. When anaerobic cells in acidic buffer (pH 6.5) were given an O2 pulse, protons were extruded regardless of the presence of Na+. At pH 8.5, however, V. costicola produced an acidic response to an O2 pulse in the absence of Na+ a...

journal_title：Journal of bacteriology

authors： Hamaide F,Kushner DJ,Sprott GD

更新日期：1985-02-01 00:00:00

abstract：:Brucella native haptens (NHs) extracted with hot water from smooth (S)-type B. abortus and B. melitensis were purified to high levels of serological activity and compared with the polysaccharide obtained by acid hydrolysis (PS) of the S lipopolysaccharide (S-LPS). By 13C nuclear magnetic resonance analysis, NHs showed...

journal_title：Journal of bacteriology

authors： Aragón V,Díaz R,Moreno E,Moriyón I

更新日期：1996-02-01 00:00:00

abstract：:The mechanism for the extrusion of Na+ from Mycoplasma gallisepticum cells was examined. Na+ efflux from cells was studied by diluting 22Na+-loaded cells into an isoosmotic NaCl solution and measuring the residual 22Na+ in the cells. Uphill 22Na+ efflux was found to be glucose dependent and linear with time over a 60-...

journal_title：Journal of bacteriology

authors： Shirvan MH,Schuldiner S,Rottem S

更新日期：1989-08-01 00:00:00

abstract：:Through hybridization of available probes, we have added nine genes to the macrorestriction map of the Haloferax mediterranei chromosome and five genes to the contig map of Haloferax volcanii. Additionally, we hybridized 17 of the mapped cosmid clones from H. volcanii to the H. mediterranei genome. The resulting 35-po...

journal_title：Journal of bacteriology

authors： López-García P,St Jean A,Amils R,Charlebois RL

更新日期：1995-03-01 00:00:00

abstract：:Two cell shape-determining genes of Escherichia coli K-12, pbpA, the structural gene for penicillin-binding protein 2, and rodA, whose protein is unknown, were subcloned into plasmid vectors from the transducing phage lambda MAd lip24, which carries the lip-leuS region of the E. coli chromosome. Plasmids with restrict...

journal_title：Journal of bacteriology

authors： Asoh S,Matsuzawa H,Matsuhashi M,Ohta T

更新日期：1983-04-01 00:00:00

abstract：:The respiratory metabolism of Schizosaccharomyces pombe 972h(-), a fission, haplontic, "petite negative" yeast, was studied. Glucose and glycerol are good growth substrates and are oxidized under appropriate conditions. l-Lactate, ethanol, malate, and succinate are oxidized but are poor substrates for growth. d-Lactat...

journal_title：Journal of bacteriology

authors： Heslot H,Goffeau A,Louis C

更新日期：1970-10-01 00:00:00

abstract：:We have carefully characterized and reexamined the motility and phototactic responses of Synechocystis sp. adenylyl cyclase (Cya1) and catabolite activator protein (SYCRP1) mutants to different light regimens, glucose, 3-(3,4-dichlorophenyl)-1,1-dimethylurea, and cyclic AMP. We find that contrary to earlier reports, c...

journal_title：Journal of bacteriology

authors： Bhaya D,Nakasugi K,Fazeli F,Burriesci MS

更新日期：2006-10-01 00:00:00

abstract：:The polycistronic mRNA encoding the nine genes of the unc operon of Escherichia coli was studied. We demonstrated the ribosome-binding capabilities of six of the nine unc genes, uncB, uncE, uncF, uncH, uncA, and uncD, by using the technique of primer extension inhibition or "toeprinting." No toeprint was detected for ...

journal_title：Journal of bacteriology

authors： Schaefer EM,Hartz D,Gold L,Simoni RD

更新日期：1989-07-01 00:00:00

abstract：:Mushin, Rose (University of Melbourne, Victoria, Australia) and Frances M. Ashburner. Gastrointestinal microflora of mutton birds (Puffinus tenuirostris) in relation to "limy" disease. J. Bacteriol. 83:1260-1267. 1962.-The aerobic bacterial intestinal flora of mutton birds, healthy and affected with "limy" disease, wa...

journal_title：Journal of bacteriology

authors： MUSHIN R,ASHBURNER FM

更新日期：1962-06-01 00:00:00

abstract：:Somerson, Norman L. (National Institute of Allergy and Infectious Diseases, Bethesda, Md.), and M. K. Cook. Suppression of Rous sarcoma virus growth in tissue cultures by Mycoplasma orale. J. Bacteriol. 90:534-540. 1965.-An agent which produced cell destruction in human diploid and chick-embryo fibroblasts was isolate...

journal_title：Journal of bacteriology

authors： SOMERSON NL,COOK MK

更新日期：1965-08-01 00:00:00

abstract：:A fusion between lacZ and ftsZ of Escherichia coli was constructed to obtain a beta-galactosidase-FtsZ fusion protein. This fusion protein was used to raise antibodies against cell division protein FtsZ. Six monoclonal antibodies were obtained, and they reacted with FtsZ from cytoplasm and membrane fractions. The epit...

journal_title：Journal of bacteriology

authors： Voskuil JL,Westerbeek CA,Wu C,Kolk AH,Nanninga N

更新日期：1994-04-01 00:00:00

abstract：:Heme A, as a prosthetic group, is found exclusively in respiratory oxidases of mitochondria and aerobic bacteria. Bacillus subtilis CtaA and other heme A synthases catalyze the conversion of a methyl side group on heme O into a formyl group. The catalytic mechanism of heme A synthase is not understood, and little is k...

journal_title：Journal of bacteriology

authors： Hederstedt L,Lewin A,Throne-Holst M

更新日期：2005-12-01 00:00:00