Characterization of a gene, glnL, the product of which is involved in the regulation of nitrogen utilization in Escherichia coli.

abstract：:The CheA kinase is a central protein in the signal transduction network that controls chemotaxis in Escherichia coli. CheA receives information from a transmembrane receptor (e.g., Tar) and CheW proteins and relays it to the CheB and CheY proteins. The biochemical activities of CheA proteins truncated at various dista...

journal_title：Journal of bacteriology

authors： Bourret RB,Davagnino J,Simon MI

更新日期：1993-04-01 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：:Oxalate catabolism is conducted by phylogenetically diverse organisms, including Methylobacterium extorquens AM1. Here, we investigate the central metabolism of this alphaproteobacterium during growth on oxalate by using proteomics, mutant characterization, and (13)C-labeling experiments. Our results confirm that ener...

journal_title：Journal of bacteriology

authors： Schneider K,Skovran E,Vorholt JA

更新日期：2012-06-01 00:00:00

abstract：:A novel mutant of the marine oil-degrading bacterium Alcanivorax borkumensis SK2, containing a mini-Tn5 transposon disrupting a "tesB-like" acyl-coenzyme A (CoA) thioesterase gene, was found to hyperproduce polyhydroxyalkanoates (PHA), resulting in the extracellular deposition of this biotechnologically important poly...

journal_title：Journal of bacteriology

authors： Sabirova JS,Ferrer M,Lünsdorf H,Wray V,Kalscheuer R,Steinbüchel A,Timmis KN,Golyshin PN

更新日期：2006-12-01 00:00:00

abstract：:The function of SufI, a well-studied substrate of the TatABC translocase in Escherichia coli, is not known. It was earlier implicated in cell division, based on the finding that multiple copies of sufI suppressed the phenotypes of cells with mutations in ftsI (ftsI23), which encodes a divisomal transpeptidase. Recentl...

journal_title：Journal of bacteriology

authors： Samaluru H,SaiSree L,Reddy M

更新日期：2007-11-01 00:00:00

abstract：:The morphology, on MacConkey's agar, of colonies of the bacteria commonly found in enteric specimens is sufficiently characteristic and distinctive, when observed with transmitted oblique illumination and a low-power stereoscopic microscope, to enable identification at the generic (and occasionally the species) level ...

journal_title：Journal of bacteriology

authors： Finkelstein RA,Punyashthiti K

更新日期：1967-06-01 00:00:00

abstract：:The expression pattern of the Escherichia coli genome is controlled in part by regulating the utilization of a limited number of RNA polymerases among a total of its approximately 4,600 genes. The distribution pattern of RNA polymerase changes from modulation of two types of protein-protein interactions: the interacti...

journal_title：Journal of bacteriology

authors： Ishihama A,Kori A,Koshio E,Yamada K,Maeda H,Shimada T,Makinoshima H,Iwata A,Fujita N

更新日期：2014-08-01 00:00:00

abstract：:We examined the predacious gram-negative bacterium Bdellovibrio bacteriovorous 109J and free-living strains 109J-A1 and 109J-KA1 derived therefrom for penicillin-binding proteins (PBPs). We compared their PBPs with those of the host bacterium, Escherichia coli, and with those of a facultatively predacious bdellovibrio...

journal_title：Journal of bacteriology

authors： Park JT,Mahadevan S

更新日期：1988-08-01 00:00:00

abstract：:Members of the family Halobacteriaceae in the domain Archaea are obligate extreme halophiles. They occupy a variety of hypersaline environments, and their cellular biochemistry functions in a nearly saturated salty milieu. Despite extensive study, a detailed analysis of their growth kinetics is missing. To remedy this...

journal_title：Journal of bacteriology

authors： Robinson JL,Pyzyna B,Atrasz RG,Henderson CA,Morrill KL,Burd AM,Desoucy E,Fogleman RE 3rd,Naylor JB,Steele SM,Elliott DR,Leyva KJ,Shand RF

更新日期：2005-02-01 00:00:00

abstract：:Levy, Stuart B. (Institut du Radium, Paris, France). Isologous interference with ultraviolet and X-ray irradiated bacteriophage T(2). J. Bacteriol. 87:1330-1338. 1964.-Qualitative and quantitative analysis of the interference capacity of an irradiated T(2) bacteriophage was made with ultraviolet and X-ray irradiation....

journal_title：Journal of bacteriology

authors： LEVY SB

更新日期：1964-06-01 00:00:00

abstract：:Vibrio vulnificus is a human pathogen that produces lethal septicemia in susceptible persons, and the primary virulence factor for this organism is capsular polysaccharide (CPS). The role of the capsule in V. vulnificus biofilms was examined under a variety of conditions, by using either defined CPS mutants or spontan...

journal_title：Journal of bacteriology

authors： Joseph LA,Wright AC

更新日期：2004-02-01 00:00:00

abstract：:Desulfomonile tiedjei DCB-1, a sulfate-reducing bacterium, conserves energy for growth from reductive dehalogenation of 3-chlorobenzoate by an uncharacterized chemiosmotic process. Respiratory electron transport components were examined in D. tiedjei cells grown under conditions for reductive dehalogenation, pyruvate ...

journal_title：Journal of bacteriology

authors： Louie TM,Mohn WW

更新日期：1999-01-01 00:00:00

abstract：:Glucosylated deoxyribonucleic acid (DNA) from phages T4 and T6 competes poorly with homologous DNA causing only a slight decrease of transformation in Group H Streptococcus strain Challis. Other types of heterologous DNAs (Micrococcus luteus, Clostridium perfringens, Escherichia coli, calf thymus and non-glucosylated ...

journal_title：Journal of bacteriology

authors： Ceglowski P,Fuchs PG,Soltyk A

更新日期：1975-12-01 00:00:00

abstract：:mRNA levels from the bop (bacterio-opsin), brp (bacterio-opsin-related protein), and bat (bacterio-opsin activator) genes in wild-type Halobacterium halobium and two bacteriorhodopsin-overproducing mutants (ET1001 and II-7) were quantitated under conditions in which oxygen levels were steadily depleted and then cultur...

journal_title：Journal of bacteriology

authors： Shand RF,Betlach MC

更新日期：1994-03-01 00:00:00

abstract：:The properties of homogeneous preparations of carbamoylphosphate synthetase (CPSase) from wild-type Salmonella typhimurium and a cold-sensitive derivative grown at different growth temperatures were examined. For the cold-sensitive mutant, the affinity for glutamine of the form of CPSase synthesized at 20 degrees C wa...

journal_title：Journal of bacteriology

authors： Han BD,Nolan WG,Hopkins HP,Jones RT,Ingraham JL,Abdelal AT

更新日期：1990-09-01 00:00:00

abstract：:Three plasmid-mediated chloramphenicol acetyltransferases isolated from different Haemophilus influenzae strains were purified and characterized. All three enzymes had properties in common with the gram-negative family of chloramphenicol acetyltransferase. The Haemophilus enzymes and the enteric type II enzyme were se...

journal_title：Journal of bacteriology

authors： Roberts M,Corney A,Shaw WV

更新日期：1982-08-01 00:00:00

abstract：:Outer membrane alterations were characterized in spontaneous mutants of the Erwinia chrysanthemi 3937jRH, which were selected for resistance to bacteriophage phi EC2. All but one of the mutants analyzed were affected in their lipopolysaccharide (LPS) structure, lacking the entire heterogeneous region of apparent high ...

journal_title：Journal of bacteriology

authors： Schoonejans E,Expert D,Toussaint A

更新日期：1987-09-01 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：:The ToxR protein of Vibrio cholerae is an integral membrane protein that coordinately regulates the expression of virulence genes required for successful infection. ToxR has been shown to bind directly to and activate transcription of the cholera toxin (ctx) promoter. Within the amino-terminal cytoplasmic region of To...

journal_title：Journal of bacteriology

authors： Ottemann KM,DiRita VJ,Mekalanos JJ

更新日期：1992-11-01 00:00:00

abstract：:A lipopolysaccharide (LPS) has been isolated from the gram-negative photosynthetic bacterium Rhodopseudomonas capsulata. Chemical analysis revealed the presence of d-glucose, d-galactose, l-rhamnose, 3-O-methyl-l-rhamnose (l-acofriose), d-glucosamine, 2-keto-3-deoxyoctonate, and neuraminic acid. The LPS does not conta...

journal_title：Journal of bacteriology

authors： Weckesser J,Drews G,Fromme I

更新日期：1972-03-01 00:00:00

abstract：:A chromosomal insertion of transposon Tn917 partially restores the expression of protease and alpha-toxin activities to PM466, a genetically defined agr-null derivative of the wild-type Staphylococcus aureus strain RN6390. In co-transduction experiments, transposon-encoded erythromycin resistance and a protease- and a...

journal_title：Journal of bacteriology

authors： McNamara PJ,Milligan-Monroe KC,Khalili S,Proctor RA

更新日期：2000-06-01 00:00:00

abstract：:The PmrA/PmrB two-component system encoded by the pmrCAB operon regulates the modification of Salmonella enterica serovar Typhimurium lipopolysaccharide leading to polymyxin B resistance. PmrA and PhoP are the only known activators of pmrCAB. A transposon mutagenesis screen for additional regulators of a pmrC::MudJ fu...

journal_title：Journal of bacteriology

authors： Merighi M,Carroll-Portillo A,Septer AN,Bhatiya A,Gunn JS

更新日期：2006-01-01 00:00:00

abstract：:Lysates of Escherichia coli Ymel obtained from cultures grown in the absence of tryptophan in minimal medium supplemented with 0.1% casein hydrolysate show an approximate fivefold increase in steady-state specific activity of both anthranilate synthetase and tryptophan synthetase A protein relative to cultures grown i...

journal_title：Journal of bacteriology

authors： Stubbs JD,Stubbs EA

更新日期：1971-12-01 00:00:00

abstract：:The growth of tubercle bacilli in serum samples of untreated animals depends upon the availability of ionic iron which serves as a growth factor in supporting bacillary multiplication. The amount of available iron in serum is determined by the ratio between iron-saturated and iron-free transferrin; a low value for the...

journal_title：Journal of bacteriology

authors： Kochan I,Golden CA,Bukovic JA

更新日期：1969-10-01 00:00:00

abstract：:Gene conversion, defined as the nonreciprocal transfer of DNA, is one result of homologous recombination. Three steps in recombination could give rise to gene conversion: (i) DNA synthesis for repair of the degraded segment, (ii) Holliday junction migration, leading to heteroduplex formation, and (iii) repair of misma...

journal_title：Journal of bacteriology

authors： Castellanos M,Romero D

更新日期：2009-08-01 00:00:00

abstract：:The genes governing three of the enzymes of the isoleucine-valine biosynthetic pathway form the operon: operator-ilvA-ilvD-ilvE. The enzymes are: ilvA, l-threonine deaminase; ilvD, dihydroxy acid dehydrase; and ilvE, transaminase B. A nonsense mutation in the ilvD gene (D-ochre) and a nonsense mutation in the ilvE gen...

journal_title：Journal of bacteriology

authors： Wechsler JA,Adelberg EA

更新日期：1969-06-01 00:00:00

abstract：:A 16-kb BamHI fragment of the lactose plasmid pNZ63 from Leuconostoc lactis NZ6009 was cloned in Escherichia coli MC1061 by using pACYC184 and was found to express a functional beta-galactosidase. Deletion and complementation analysis showed that the coding region for beta-galactosidase was located on a 5.8-kb SalI-Ba...

journal_title：Journal of bacteriology

authors： David S,Stevens H,van Riel M,Simons G,de Vos WM

更新日期：1992-07-01 00:00:00

abstract：:Two hundred strains of Escherichia coli harboring Filv+ plasmids which carry a segment of the Salmonella typhimurium chromosome were isolated independently. Among them, two strains were found to harbor F' plasmids that are able to replicate in Hfr cells of E. coli; i.e., they carry a site designated poh (permissive on...

journal_title：Journal of bacteriology

authors： Joh K,Hiraga S

更新日期：1979-05-01 00:00:00

abstract：:The regulatory proteins OmpR and EnvZ are both required to activate expression of the genes for the major outer membrane porin proteins, OmpF and OmpC, of Escherichia coli K-12. Here we show that OmpR, under certain conditions, could activate porin expression in the complete absence of EnvZ. In addition, the pleiotrop...

journal_title：Journal of bacteriology

authors： Slauch JM,Garrett S,Jackson DE,Silhavy TJ

更新日期：1988-01-01 00:00:00

abstract：:Fox, Sidney W. (The Florida State University, Tallahassee) and Shuhei Yuyama. Effects of the Gram stain on microspheres from thermal polyamino acids. J. Bacteriol. 85:279-283. 1963.-Microspheres produced from acid proteinoid accept the Gram stain. The stain is negative, but microspheres produced from mixtures containi...

journal_title：Journal of bacteriology

authors： FOX SW,YUYAMA S

更新日期：1963-02-01 00:00:00