An internal region of rpoB is required for autogenous translational regulation of the beta subunit of Escherichia coli RNA polymerase.

abstract：:Synthetic analogs of enterochelin (enterobactin) were tested for their ability to support the growth of Escherichia coli K-12 under iron-limiting conditions. The cyclic compound MECAM [1,3,5-N.N'; N"-tris-(2,3-dihydroxybenzoyl)-triamino-methylbenzene] and its N-methyl derivative Me3MECAM promoted growth, whereas the 2...

journal_title：Journal of bacteriology

authors： Heidinger S,Braun V,Pecoraro VL,Raymond KN

更新日期：1983-01-01 00:00:00

abstract：:TolB is a periplasmic protein of the cell envelope Tol complex. It is partially membrane associated through an interaction with the outer membrane lipoprotein PAL (peptidoglycan-associated lipoprotein), which also belongs to the Tol system. The interaction of TolB with outer membrane porins of Escherichia coli was inv...

journal_title：Journal of bacteriology

authors： Rigal A,Bouveret E,Lloubes R,Lazdunski C,Benedetti H

更新日期：1997-12-01 00:00:00

abstract：:The genetic organization of the polypeptides required for the biosynthesis of the F41 adhesin of enterotoxigenic Escherichia coli strains was investigated. Maxicell analysis demonstrated that a recombinant plasmid which mediated mannose-resistant hemagglutination and F41 antigen production encoded four polypeptides of...

journal_title：Journal of bacteriology

authors： Anderson DG,Moseley SL

更新日期：1988-10-01 00:00:00

abstract：:The effects of competence-inducing treatments on the composition and organization of membrane lipids in Escherichia coli K-12, DH1, DH5, HB101, and RR1 were investigated for two widely used protocols in which transformability is developed at low temperatures in Ca2+ buffers. At stages during each procedure, the lipid ...

journal_title：Journal of bacteriology

authors： Reusch RN,Hiske TW,Sadoff HL

更新日期：1986-11-01 00:00:00

abstract：:We have identified and characterized enzymes of phospholipid synthesis in two plasmalogen-rich anaerobes. Megasphaera elsdenii and Veillonella parvula, and one anaerobe lacking plasmalogens. Desulfovibrio vulgaris. All three species contained phosphatidate cytidylyltransferase and phosphatidylserine synthase. Phosphat...

journal_title：Journal of bacteriology

authors： Silber P,Borie RP,Mikowski EJ,Goldfine H

更新日期：1981-07-01 00:00:00

abstract：:The highly defective rho-15 mutant of Escherichia coli produces plasmid DNA that is 22% less negatively supercoiled than DNA from an isogenic wild-type strain (J. S. Fassler, G. F. Arnold, and I. Tessman, Mol. Gen. Genet. 204:424-429, 1986). We extended our measurements of plasmid superhelicity to additional rho mutan...

journal_title：Journal of bacteriology

authors： Arnold GF,Tessman I

更新日期：1988-09-01 00:00:00

abstract：:The nickel-cobalt-cadmium resistance genes carried by plasmid pTOM9 of Alcaligenes xylosoxidans 31A are located on a 14.5-kb BamHI fragment. By random Tn5 insertion mutagenesis, the fragment was shown to contain two distinct nickel resistance loci, ncc and nre. The ncc locus causes a high-level combined nickel, cobalt...

journal_title：Journal of bacteriology

authors： Schmidt T,Schlegel HG

更新日期：1994-11-01 00:00:00

abstract：:Gene 1 of bacteriophage T4 has been cloned into a lambda pL expression vector, resulting in the overproduction of deoxynucleotide kinase. A procedure that includes affinity chromatography on Cibacron Blue F3GA-agarose has been used to purify milligram quantities of enzymes from a 2-liter culture. The enzyme has been p...

journal_title：Journal of bacteriology

authors： Brush GS,Bhatnagar SK,Bessman MJ

更新日期：1990-06-01 00:00:00

abstract：:In stationary phase, 95% of the fructosyltransferase (FTase) activity of Streptococcus salivarius ATCC 25975 was found associated with the cells. Within the first 15 min after inoculation into fresh medium, the specific activity of cell-associated FTase decreased by 92% of its initial value. After this period of initi...

journal_title：Journal of bacteriology

authors： Jacques NA,Wittenberger CL

更新日期：1981-12-01 00:00:00

abstract：:Maleylacetate reductase (EC 1.3.1.32) plays a major role in the degradation of chloroaromatic compounds by channelling maleylacetate and some chlorinated derivatives into the 3-oxoadipate pathway. Several substituted maleylacetates were prepared in situ by alkaline or enzymatic hydrolysis of dienelactones as the precu...

journal_title：Journal of bacteriology

authors： Kaschabek SR,Reineke W

更新日期：1995-01-01 00:00:00

abstract：:Upon exposure to alkylating agents, Escherichia coli increases expression of aidB along with three genes (ada, alkA, and alkB) that encode DNA repair proteins. While the biological roles of the Ada, AlkA, and AlkB proteins have been defined, despite many efforts, the molecular functions of AidB remain largely unknown....

journal_title：Journal of bacteriology

authors： Rippa V,Amoresano A,Esposito C,Landini P,Volkert M,Duilio A

更新日期：2010-12-01 00:00:00

abstract：:Mutants of Escherichia coli were isolated by their resistance to the bacteriocidal effects of the membrane-active drugs polymyxin B, levallorphan, and tetracaine. The mutants were examined for additional changes in cellular physiology evoked by the lesions; many polymyxin-resistant strains had a concomitant increased ...

journal_title：Journal of bacteriology

authors： Dame JB,Shapiro BM

更新日期：1976-08-01 00:00:00

abstract：:Ferric reductase activity was examined in Azotobacter vinelandii and was found to be located in the cytoplasm. The specific activities of soluble cell extracts were not affected by the iron concentration of the growth medium; however, activity was inhibited by the presence of Zn2+ during cell growth and also by the ad...

journal_title：Journal of bacteriology

authors： Huyer M,Page WJ

更新日期：1989-07-01 00:00:00

abstract：:The so-called symbiotic region of the Bradyrhizobium japonicum chromosome (C. Kündig, H. Hennecke, and M. Göttfert, J. Bacteriol. 175:613-622, 1993) was screened for the presence of genes controlled by the nitrogen fixation regulatory protein NifA. Southern blots of restriction enzyme-digested cosmids that represent a...

journal_title：Journal of bacteriology

authors： Nienaber A,Huber A,Göttfert M,Hennecke H,Fischer HM

更新日期：2000-03-01 00:00:00

abstract：:The inhibitory effect of fungitoxic derivatives of 1,4-oxathiin on substrate oxidation by the basidiomycete Ustilago maydis is diminished by a single-gene mutation (oxr). The difference between mutant and wild type is approximately the same on the basis of inhibition of either growth and operation of the tricarboxylic...

journal_title：Journal of bacteriology

authors： Georgopoulos SG,Alexandri E,Chrysayi M

更新日期：1972-06-01 00:00:00

abstract：UNLABELLED:The gene encoding a nonoxidative decarboxylase capable of catalyzing the transformation of 2-hydroxy-1-naphthoic acid (2H1NA) to 2-naphthol was identified, recombinantly expressed, and purified to homogeneity. The putative gene sequence of the decarboxylase (hndA) encodes a 316-amino-acid protein (HndA) with...

journal_title：Journal of bacteriology

authors： Pal Chowdhury P,Basu S,Dutta A,Dutta TK

更新日期：2016-05-27 00:00:00

abstract：:The regulatory properties of acetohydroxy acid synthetase (AHAS), the first enzyme in the biosynthetic pathway to valine and the second in the isoleucine pathway, were investigated in the fission yeast Schizosaccharomyces pombe. The enzyme was partially purified from crude extracts by protamine sulfate treatment, ammo...

journal_title：Journal of bacteriology

authors： McDonald RA,Satyanarayana T,Kaplan JG

更新日期：1973-04-01 00:00:00

abstract：:The nucleotide sequence of a 23S rRNA gene of Campylobacter coli VC167 was determined. The primary sequence of the C. coli 23S rRNA was deduced, and a secondary-structure model was constructed. Comparison with Escherichia coli 23S rRNA showed a major difference in the C. coli rRNA at approximately position 1170 (E. co...

journal_title：Journal of bacteriology

authors： Trust TJ,Logan SM,Gustafson CE,Romaniuk PJ,Kim NW,Chan VL,Ragan MA,Guerry P,Gutell RR

更新日期：1994-08-01 00:00:00

abstract：:A thermophilic, sporeforming bacterium has been isolated from soil on a medium containing acetate as a carbon source. This organism is similar to Bacillus stearothermophilus in most respects but differs in its inability to hydrolyze starch. Isocitrate lyase is present in cell-free extracts of organisms grown in a medi...

journal_title：Journal of bacteriology

authors： Daron HH

更新日期：1967-02-01 00:00:00

abstract：:Horizontal acquisition of novel chromosomal genes is considered to be a key process in the evolution of bacterial pathogens. However, the identification of gene presence or absence could be hindered by the inconsistencies in bacterial genome annotations. Here, we performed a cross-annotation of omnipresent core and mo...

journal_title：Journal of bacteriology

authors： Paul S,Sokurenko EV,Chattopadhyay S

更新日期：2016-11-04 00:00:00

abstract：:Bacillus anthracis Sterne cured of the pXO1 plasmid had enhanced secreted protease activity during the postexponential phase but no change in hemolytic or lecithinase activities. A zymogen profile revealed at least six proteases, including serine, metal, and perhaps cysteine types. There were similar amounts of protea...

journal_title：Journal of bacteriology

authors： Aronson AI,Bell C,Fulroth B

更新日期：2005-05-01 00:00:00

abstract：:Bacteriocin 28b from Serratia marcescens binds to Escherichia coli outer membrane proteins OmpA and OmpF and to lipopolysaccharide (LPS) core (J. Enfedaque, S. Ferrer, J. F. Guasch, J. Tomás, and M. Requé, Can. J. Microbiol. 42:19-26, 1996). A cosmid-based genomic library of S. marcescens was introduced into E. coli N...

journal_title：Journal of bacteriology

authors： Guasch JF,Piqué N,Climent N,Ferrer S,Merino S,Rubires X,Tomas JM,Regué M

更新日期：1996-10-01 00:00:00

abstract：:A deoxyribonucleic acid-directed in vitro system for the synthesis of Escherichia coli carbamoylphosphate synthase has been developed, and its properties have been studied. The system uses the deoxyribonucleic acid of a lambda phage carrying the car genes (lambdadcarAB) as template and mediates the synthesis of both s...

journal_title：Journal of bacteriology

authors： Lissens W,Cunin R,Kelker N,Glansdorff N,Piérard A

更新日期：1980-01-01 00:00:00

abstract：:Proteus mirabilis is a dimorphic bacterium which exists in liquid cultures as a 1.5- to 2.0-microns motile swimmer cell possessing 6 to 10 peritrichous flagella. When swimmer cells are placed on a surface, they differentiate by a combination of events that ultimately produce a swarmer cell. Unlike the swimmer cell, th...

journal_title：Journal of bacteriology

authors： Belas R,Erskine D,Flaherty D

更新日期：1991-10-01 00:00:00

abstract：:Recent studies of anaerobic toluene catabolism have demonstrated a novel reaction for anaerobic hydrocarbon activation: the addition of the methyl carbon of toluene to fumarate to form benzylsuccinate. In vitro studies of the anaerobic benzylsuccinate synthase reaction indicate that the H atom abstracted from the tolu...

journal_title：Journal of bacteriology

authors： Beller HR,Spormann AM

更新日期：1998-10-01 00:00:00

abstract：:Lysogenization of Salmonella typhimurium with either of the bacteriophages A3 and A4 results in O-acetylation of the L-rhamnose residues of the O-polysaccharide chain of the lipopolysaccharide of the bacterial cell envelope. The O-acetyl group is found on both O-2 and O-3 of the L-rhamnosyl residues. This lysogenic co...

journal_title：Journal of bacteriology

authors： Wollin R,Stocker BA,Lindberg AA

更新日期：1987-03-01 00:00:00

abstract：:Rhizobia form a symbiotic relationship with plants of the legume family to produce nitrogen-fixing root nodules under nitrogen-limiting conditions. We have examined the importance of glutathione (GSH) during free-living growth and symbiosis of Sinorhizobium meliloti. An S. meliloti mutant strain (SmgshA) which is unab...

journal_title：Journal of bacteriology

authors： Harrison J,Jamet A,Muglia CI,Van de Sype G,Aguilar OM,Puppo A,Frendo P

更新日期：2005-01-01 00:00:00

abstract：:Interest in finding small RNAs (sRNAs) in bacteria has significantly increased in recent years due to their regulatory functions. Development of high-throughput methods and more sophisticated computational algorithms has allowed rapid identification of sRNA candidates in different species. However, given their various...

journal_title：Journal of bacteriology

authors： Tsai CH,Liao R,Chou B,Palumbo M,Contreras LM

更新日期：2015-01-01 00:00:00

abstract：:Temperature induction of an Escherichia coli strains with lambda cI1857 integrated in the guaB gene has been used to produce strains containing chromosomal deletions extending into the xse and upp genes. By utilizing strains containing these deletions, it has been possible to order the genes in the guanine operon with...

journal_title：Journal of bacteriology

authors： Vales LD,Chase JW,Murphy JB

更新日期：1979-07-01 00:00:00

abstract：:Although yeast cannot normally incorporate exogenous deoxythymidine 5'-monophosphate (dTMP) into deoxyribonucleic acid, mutants able to do so have been isolated. We have characterized a recessive suppressor of dTMP uptake (sot1) that prevents strains carrying either tup1, tup2, or tup4 from growing on selective medium...

journal_title：Journal of bacteriology

authors： Remer S,Sherman A,Kraig E,Haber JE

更新日期：1979-05-01 00:00:00