The caulobacter Tol-Pal complex is essential for outer membrane integrity and the positioning of a polar localization factor.

abstract：:Fourteen bacterial strains of marine origin, which formed colonies containing crystals of a blue-black pigment, were submitted to a morphological, physiological, and nutritional characterization. The results indicated that these organisms form a new species of the genus Beneckea. ...

journal_title：Journal of bacteriology

authors： Baumann P,Baumann L,Mandel M,Allen RD

更新日期：1971-12-01 00:00:00

abstract：:Uptake of cobalamins and iron chelates in Escherichia coli K-12 is dependent on specific outer membrane transport proteins and the energy-coupling function provided by the TonB protein. The btuB product is the outer membrane receptor for cobalamins, bacteriophage BF23, and the E colicins. A short sequence near the ami...

journal_title：Journal of bacteriology

authors： Gudmundsdottir A,Bell PE,Lundrigan MD,Bradbeer C,Kadner RJ

更新日期：1989-12-01 00:00:00

abstract：:A pLAFR3 cosmid clone designated pVir2 containing a 25-kilobase (kb) DNA insert was isolated from a wild-type Pseudomonas solanacearum GMI1000 genomic library. This cosmid was shown to complement all but one of the nine Tn5-induced mutants which have been isolated after random mutagenesis and which have lost both path...

journal_title：Journal of bacteriology

authors： Boucher CA,Van Gijsegem F,Barberis PA,Arlat M,Zischek C

更新日期：1987-12-01 00:00:00

abstract：:The wild strain of Serratia marcescens rapidly degraded threonine and formed aminoacetone in a medium containing glucose and urea. Extracts of this strain showed high threonine dehydrogenase and "biosynthetic" threonine deaminase activities, but no threonine aldolase activity. Threonine dehydrogenase-deficient strain ...

journal_title：Journal of bacteriology

authors： Komatsubara S,Murata K,Kisumi M,Chibata I

更新日期：1978-08-01 00:00:00

abstract：:In Escherichia coli K-12, the rcsA and rcsB gene products are positive regulators in expression of the slime polysaccharide colanic acid. We have previously demonstrated the presence of rcsA sequences in E. coli K1 and K5, strains with group II capsular K antigens, and shown that introduction of multicopy rcsA into th...

journal_title：Journal of bacteriology

authors： Keenleyside WJ,Bronner D,Jann K,Jann B,Whitfield C

更新日期：1993-10-01 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：:A gene specifying the enzyme nicotinamide deamidase has been mapped, by the interrupted mating technique, at about 33 min on the chromosome of Escherichia coli K-12. ...

journal_title：Journal of bacteriology

authors： Dickinson ES,Sundaram TK

更新日期：1970-03-01 00:00:00

abstract：:The initial reactions involved in the catabolism of fructose in Pseudomonas aeruginosa include the participation of a phosphoenolpyruvate:fructose 1-phosphotransferase system (F-PTS). Fractionation of crude extracts of fructose-grown cells revealed that both membrane-associated and soluble components were essential fo...

journal_title：Journal of bacteriology

authors： Durham DR,Phibbs PV Jr

更新日期：1982-02-01 00:00:00

abstract：:In Escherichia coli, the additon of ethanol resulted in the synthesis of an increased proportion of phospholipids containing two unsaturated fatty acids. The addition of hexanol resulted in the opposite effect, an increase in the proportion of monounsaturated molecular species. The alcohol-induced changes were quantit...

journal_title：Journal of bacteriology

authors： Berger B,Carty CE,Ingram LO

更新日期：1980-06-01 00:00:00

abstract：:The mutations of eight chemotaxis-deficient strains of Salmonella typhimurium, including five new mutants in strain LT2, were mapped by P22 transduction in relation to various fla mot deletions in S. abortus-equi. Seven recessive che mutations mapped between motB and flaC: three, all nontumbling, the che region I, adj...

journal_title：Journal of bacteriology

authors： Collins AL,Stocker BA

更新日期：1976-12-01 00:00:00

abstract：:Polysomes were extracted from Bacillus subtilis cells starved for a required amino acid. The monosome peak appeared soon after starvation; no difference in the rate of degradation was detected when the cells were starved for arginine or tryptophan in a double auxotroph. RNA production during starvation was not inhibit...

journal_title：Journal of bacteriology

authors： Barlati S

更新日期：1970-03-01 00:00:00

abstract：:The FemAB-like factors Lif and Epr confer resistance to glycylglycine endopeptidases lysostaphin and Ale-1, respectively, by incorporating serine residues into the staphylococcal peptidoglycan interpeptide bridges specifically at positions 3 and 5. This required the presence of FemA and/or FemB, in contrast to earlier...

journal_title：Journal of bacteriology

authors： Ehlert K,Tschierske M,Mori C,Schröder W,Berger-Bächi B

更新日期：2000-05-01 00:00:00

abstract：:Analyses of the Staphylococcus epidermidis multiresistance plasmids pSK697 and pSK818 have revealed them to be closely related to the trimethoprim resistance plasmid pSK639, also isolated from S. epidermidis. pSK697 and pSK818 were found to contain a cointegrated copy of a second plasmid related to the S. epidermidis ...

journal_title：Journal of bacteriology

authors： Leelaporn A,Firth N,Paulsen IT,Skurray RA

更新日期：1996-10-01 00:00:00

abstract：:Glycerol is a primary energy source for heterotrophic haloarchaea and a major component of "salty" biodiesel waste. Glycerol is catabolized solely by glycerol kinase (encoded by glpK) to glycerol-3-phosphate (G3P) in Haloferax volcanii. Here we characterized the next critical step of this metabolic pathway: the conver...

journal_title：Journal of bacteriology

authors： Rawls KS,Martin JH,Maupin-Furlow JA

更新日期：2011-09-01 00:00:00

abstract：:Entry into sporulation in Bacillus subtilis is characterized by the formation of a polar septum, which asymmetrically divides the developing cell into forespore (the smaller cell) and mother cell compartments, and by migration of replication origin regions to extreme opposite poles of the cell. Here we show that polar...

journal_title：Journal of bacteriology

authors： Graumann PL,Losick R

更新日期：2001-07-01 00:00:00

abstract：:Growth of a derivative of Escherichia coli K-10 was strongly inhibited by 2 times 10(-4) M L-5(1-amino-2-methylbutyl)-tetrazole (isoleucine tetrazole). Growth inhibition was reversed by isoleucine, threonine, glycyl-L-isoleucine, or glycyl-L-threonine, and, in a valine-resistant mutant, by L-valine. Partial reversal o...

journal_title：Journal of bacteriology

authors： Willshaw GA,Tristram H

更新日期：1975-09-01 00:00:00

abstract：:Expression of the tryptophanase (tna) operon of Escherichia coli is regulated by catabolite repression and by tryptophan-induced transcription antitermination at Rho-dependent termination sites in the leader region of the operon. Tryptophan induction is dependent on translation of a short leader peptide coding region,...

journal_title：Journal of bacteriology

authors： Konan KV,Yanofsky C

更新日期：1997-03-01 00:00:00

abstract：:The Bacillus subtilis skin element confers resistance to arsenate and arsenite. The ars operon in the skin element contains four genes in the order arsR, ORF2, arsB, and arsC. Three of these genes are homologous to the arsR, arsB, and arsC genes from the staphylococcal plasmid pI258, while no homologs of ORF2 have bee...

journal_title：Journal of bacteriology

authors： Sato T,Kobayashi Y

更新日期：1998-04-01 00:00:00

abstract：:Shiga toxin (STX), a bacterial toxin produced by Shigella dysenteriae type 1, is a hexamer composed of five receptor-binding B subunits which encircle an alpha-helix at the carboxyl terminus of the enzymatic A polypeptide. Hybrid toxins constructed by fusing the A polypeptide sequences of STX and Shiga-like toxin type...

journal_title：Journal of bacteriology

authors： Jemal C,Haddad JE,Begum D,Jackson MP

更新日期：1995-06-01 00:00:00

abstract：:In Enterococcus faecalis, the site 2 protease Eep generates sex pheromones, including cAM373. Intriguingly, in Staphylococcus aureus, a peptide similar to cAM373, named cAM373_SA, is produced from the camS gene. Here, we report that the staphylococcal Eep homolog is not only responsible for the production of cAM373_SA...

journal_title：Journal of bacteriology

authors： Cheng D,Lv H,Yao Y,Cheng S,Huang Q,Wang H,Liu X,Bae T,Li M,Liu Q

更新日期：2020-07-09 00:00:00

abstract：:The major conjugative transfer gene cluster of staphylococcal plasmid pGO1 (trs) consists of 13 open reading frames (trsA to trsM) transcribed from one DNA strand and a single 189-bp open reading frame (trsN) within the first 348 bp of trs that is transcribed divergently. Promoter regions for trsN and trsA partially o...

journal_title：Journal of bacteriology

authors： Sharma VK,Johnston JL,Morton TM,Archer GL

更新日期：1994-06-01 00:00:00

abstract：:Purified Rickettsia prowazekii cells were able to transport L-proline. The influx of this amino acid had a Kt of 14 microM and a Vmax of about 64 pmol/min per mg of protein. Proline could not be transported by heat-killed or metabolically poisoned rickettsiae or at 0 degrees C. The uptake of proline was linear for alm...

journal_title：Journal of bacteriology

authors： Winkler HH,Daugherty RM

更新日期：1984-05-01 00:00:00

abstract：:The genes that encode the two subunits of Bacillus subtilis phenylalanyl-tRNA synthetase were cloned from alpha lambda library of chromosomal B. subtilis DNA by specific complementation of a thermosensitive Escherichia coli pheS mutation. Both genes (we named them pheS and pheT, analogous to the corresponding genes of...

journal_title：Journal of bacteriology

authors： Brakhage AA,Putzer H,Shazand K,Röschenthaler RJ,Grunberg-Manago M

更新日期：1989-02-01 00:00:00

abstract：:A mutational analysis of lesion-forming ability was undertaken in Pseudomonas syringae pv. syringae B728a, causal agent of bacterial brown spot disease of bean. Following a screen of 6,401 Tn5-containing derivatives of B728a on bean pods, 26 strains that did not form disease lesions were identified. Nine of the mutant...

journal_title：Journal of bacteriology

authors： Rich JJ,Willis DK

更新日期：1997-04-01 00:00:00

abstract：:In streptomycete anthracycline biosynthetic gene clusters, small open reading frames are located just upstream of minimal polyketide synthase genes. aknX is such a gene found in the aklavinone-aclacinomycin biosynthetic gene cluster of Streptomyces galilaeus. In order to identify its function, the aknX gene was expres...

journal_title：Journal of bacteriology

authors： Chung JY,Fujii I,Harada S,Sankawa U,Ebizuka Y

更新日期：2002-11-01 00:00:00

abstract：:The tetracycline resistance element of plasmid pBR322 partially complements the potassium transport defect of Escherichia coli K-12 mutants having markedly impaired K+ transport. The plasmid increases K+ transport. The Tn10 element does not result in increased transport, demonstrating that the effect is not general fo...

journal_title：Journal of bacteriology

authors： Dosch DC,Salvacion FF,Epstein W

更新日期：1984-12-01 00:00:00

abstract：:Clostridium perfringens enterotoxin was detected intracellularly about 3 hr after the inoculation of vegetative cells into sporulation medium. The subsequent increase in intracellular enterotoxin concentration roughly paralleled but followed by 2.5 to 5 hr the increase in number of heat-resistant spores. The increase ...

journal_title：Journal of bacteriology

authors： Duncan CL

更新日期：1973-02-01 00:00:00

abstract：:The photosynthetic bacterium Rhodobacter capsulatus contains two [NiFe]hydrogenases: an energy-generating hydrogenase, HupSL, and a regulatory hydrogenase, HupUV. The synthesis of HupSL is specifically activated by H(2) through a signal transduction cascade comprising three proteins: the H(2)-sensing HupUV protein, th...

journal_title：Journal of bacteriology

authors： Elsen S,Duché O,Colbeau A

更新日期：2003-12-01 00:00:00

abstract：:Under starvation conditions, a swarm of Myxococcus xanthus cells will undergo development, a multicellular process culminating in the formation of many aggregates called fruiting bodies, each of which contains up to 100,000 spores. The mechanics of symmetry breaking and the self-organization of cells into fruiting bod...

journal_title：Journal of bacteriology

authors： Zhang H,Angus S,Tran M,Xie C,Igoshin OA,Welch RD

更新日期：2011-10-01 00:00:00

abstract：:The Amt proteins constitute a ubiquitous family of transmembrane ammonia channels that permit the net uptake of ammonium by cells. In many organisms, there is more than one amt gene, and these genes are subjected to nitrogen control. The mature Amt protein is a homo- or heterooligomer of three Amt subunits. We previou...

journal_title：Journal of bacteriology

authors： Paz-Yepes J,Herrero A,Flores E

更新日期：2007-11-01 00:00:00