The nif gene operon of the methanogenic archaeon Methanococcus maripaludis.

abstract：:Autoinducer-2 (AI-2) is required for biofilm formation and virulence of the oral pathogen Aggregatibacter actinomycetemcomitans, and we previously showed that lsrB codes for a receptor for AI-2. The lsrB gene is expressed as part of the lsrACDBFG operon, which is divergently transcribed from an adjacent lsrRK operon. ...

journal_title：Journal of bacteriology

authors： Torres-Escobar A,Juárez-Rodríguez MD,Lamont RJ,Demuth DR

更新日期：2013-01-01 00:00:00

abstract：:The fate of 35-S during anaerobic metabolism of [35-S]sulfate, [35-S]thiosulfate, and [35-S]sulfate plus unlabeled thiosulfate by washed cell suspensions of Desulfovibrio spp, and of [35-S]thiosulfate by growing D. desulfuricans was examined. The results appear to be inconsistent with the hypothesis that thiosulfate i...

journal_title：Journal of bacteriology

authors： Chambers LA,Trudinger PA

更新日期：1975-07-01 00:00:00

abstract：:Bacillus subtilis cwlD and dacB mutants produce spore peptidoglycan (PG) with increased cross-linking but with little change in spore core hydration compared to the wild type. A cwlD dacB double mutant produced spores with a two- to fourfold greater increase in PG cross-linking and novel muropeptides containing glycin...

journal_title：Journal of bacteriology

authors： Popham DL,Meador-Parton J,Costello CE,Setlow P

更新日期：1999-10-01 00:00:00

abstract：:Banerjea, A. (Rocky Mountain Laboratory, Hamilton, Mont.) and J. Munoz. Antigens of Bordetella pertussis. II, Purification of heat-labile toxin. J. Bacteriol. 84:269-274. 1962.-A mild method of separating heat-labile toxin of Bordetella pertussis from other cellular components is described; it consists of absorbing to...

journal_title：Journal of bacteriology

authors： BANERJEA A,MUNOZ J

更新日期：1962-08-01 00:00:00

abstract：:ClpX is a well-characterized bacterial chaperone that plays a role in many processes, including protein turnover and the remodeling of macromolecular complexes. All of these activities require ATP hydrolysis-dependent, ClpX-mediated protein unfolding. Here we used site-directed mutagenesis in combination with genetics...

journal_title：Journal of bacteriology

authors： Haeusser DP,Lee AH,Weart RB,Levin PA

更新日期：2009-03-01 00:00:00

abstract：:Saccharomyces kluyveri is a heterothallic yeast with two allelic mating types denoted as a-k and alpha-k by analogy with Saccharomyces cerevisiae and from the work described here. S. kluyveri produces mating pheromones analogous to those of S. cerevisiae, but which appear to have different specificity. S. kluyveri thu...

journal_title：Journal of bacteriology

authors： McCullough J,Herskowitz I

更新日期：1979-04-01 00:00:00

abstract：:We isolated 28 mutants of Bacillus subtilis deficient in the development of competence by using the transposon Tn917lacZ as a mutagen. The mutant strains were poorly transformable with plasmid and chromosomal DNAs but were normally transducible and exhibited wild-type resistance to DNA-damaging agents. The mutations w...

journal_title：Journal of bacteriology

authors： Hahn J,Albano M,Dubnau D

更新日期：1987-07-01 00:00:00

abstract：:Thiobacillus neapolitanus, when grown in continuous culture with thiosulfate limiting growth, possessed an apparent maximal molar growth yield of 8.0 g (dry weight) per mole of thiosulfate. The substrate requirement for energy of maintenance was the highest yet reported, amounting to 21.8 mmoles of thiosulfate per g p...

journal_title：Journal of bacteriology

authors： Hempfling WP,Vishniac W

更新日期：1967-03-01 00:00:00

abstract：:The isopropylmalate isomerase in Salmonella typhimurium is the second enzyme specific for leucine biosynthesis. It is a complex enzyme composed of two subunits which are coded for by two genes of the leucine operon, leuC and leuD. The two polypeptides have been shown to copurify through successive ammonium sulfate fra...

journal_title：Journal of bacteriology

authors： Fultz PN,Kemper J

更新日期：1981-10-01 00:00:00

abstract：:Nocardia brasiliensis possess proteolytic activities that can be readily detected in a variety of media. In a modified formulation of a growth medium originally used for Streptomyces aureofaciens, N. brasiliensis was found to secrete proteolytic enzymes, one of which was capable of hydrolyzing casein. This enzyme was ...

journal_title：Journal of bacteriology

authors： Zlotnik H,Schramm VL,Buckley HR

更新日期：1984-02-01 00:00:00

abstract：:In Bacillus subtilis the trpX locus specifies a glutamine-binding protein designated subunit X, which forms a complex with subunit E to constitute the anthranilate synthase enzyme aggregate (EX) and subunit A to constitute the p-aminobenzoate synthase enzyme aggregate (AX). Subunit X confers upon these enzyme complexe...

journal_title：Journal of bacteriology

authors： Kane JF

更新日期：1977-11-01 00:00:00

abstract：:A DNA sequence (brpA) which regulates the expression of the genes of the bialaphos biosynthesis pathway (bap) in Streptomyces hygroscopicus was identified and characterized. A newly isolated nonproducing mutant (NP57) had a pleiotropic defect involving at least 6 of the 13 known bap genes; only the step 6 conversion c...

journal_title：Journal of bacteriology

authors： Anzai H,Murakami T,Imai S,Satoh A,Nagaoka K,Thompson CJ

更新日期：1987-08-01 00:00:00

abstract：:Despite extensive similarities between the genomes of the Streptomyces temperate phages phiC31 and phiBT1, the attP-int loci are poorly conserved. Here we demonstrate that phiBT1 integrates into a different attachment site than phiC31. phiBT1 attB lies within SCO4848 encoding a 79-amino-acid putative integral membrane...

journal_title：Journal of bacteriology

authors： Gregory MA,Till R,Smith MC

更新日期：2003-09-01 00:00:00

abstract：:During nitrogen-limited growth, transcription of glnA, which codes for glutamine synthetase, requires sigma 54-RNA polymerase and the phosphorylated from the nitrogen regulator I (NRI; also called NtrC). In cells in which the lac promoter controlled expression of the gene coding for NRI, increasing the intracellular c...

journal_title：Journal of bacteriology

authors： Shiau SP,Schneider BL,Gu W,Reitzer LJ

更新日期：1992-01-01 00:00:00

abstract：:The nitrogenase proteins from eight organisms have been highly purified, and a survey of their cross-reactions shows that the nitrogenase proteins from a wide variety of organisms can interact with one another. An active cross-reaction is the complementary functioning of the MoFe protein and the Fe protein from differ...

journal_title：Journal of bacteriology

authors： Emerich DW,Burris RH

更新日期：1978-06-01 00:00:00

abstract：:sigma E is a sporulation-specific sigma factor of Bacillus subtilis that is formed from an inactive precursor protein (pro-sigma E) by the removal of 27 to 29 amino acids from the pro-sigma E amino terminus. By using oligonucleotide-directed mutagenesis, sequential deletions were constructed in the precursor-specific ...

journal_title：Journal of bacteriology

authors： Peters HK 3rd,Carlson HC,Haldenwang WG

更新日期：1992-07-01 00:00:00

abstract：:Benzoyl coenzyme A (benzoyl-CoA) reductase is a key enzyme in the anaerobic metabolism of aromatic compounds catalyzing the ATP-driven reductive dearomatization of benzoyl-CoA. The enzyme from Thauera aromatica uses a reduced 2[4Fe-4S] ferredoxin as electron donor. In this work, we identified 2-oxoglutarate:ferredoxin...

journal_title：Journal of bacteriology

authors： Dörner E,Boll M

更新日期：2002-07-01 00:00:00

abstract：:Photobacterium leiognathi ATCC 25521 (the type strain and light-organ symbiont of ponyfish) is one of the few bacteria that produces a copper-zinc superoxide dismutase, termed bacteriocuprein. We enzymologically and immunologically characterized the bacteriocuprein superoxide dismutases in sonicates from the type stra...

journal_title：Journal of bacteriology

authors： Dunlap PV,Steinman HM

更新日期：1986-02-01 00:00:00

abstract：:The gene encoding a 45-kDa protein (45K) of Chlamydia trachomatis serovar F was cloned, sequenced, and overexpressed in Escherichia coli. Alignment of the deduced peptide sequence with E. coli elongation factor Tu (EF-Tu) demonstrated 69% identity. The 45K was recognized by a Chlamydia genus-specific monoclonal antibo...

journal_title：Journal of bacteriology

authors： Zhang YX,Shi Y,Zhou M,Petsko GA

更新日期：1994-02-01 00:00:00

abstract：:The type IV pili of plasmid R64 belonging to the type IVB group are required only for liquid mating. They consist of the major and minor components PilS pilin and PilV adhesin, respectively. PilS pilin is first synthesized as a 22-kDa prepilin from the pilS gene and is then processed to a 19-kDa mature pilin by PilU p...

journal_title：Journal of bacteriology

authors： Shimoda E,Muto T,Horiuchi T,Furuya N,Komano T

更新日期：2008-02-01 00:00:00

abstract：:Burkholderia species, including opportunistic pathogens in the Burkholderia cepacia complex (Bcc), have genes to produce contact-dependent growth inhibition (CDI) system proteins. CDI is a phenomenon in which Gram-negative bacteria use the toxic C terminus of a polymorphic surface-exposed exoprotein, BcpA, to inhibit ...

journal_title：Journal of bacteriology

authors： Myers-Morales T,Oates AE,Byrd MS,Garcia EC

更新日期：2019-05-22 00:00:00

abstract：:Conditions for continuous culture of Escherichia coli K-12 His- Thi- under glucose limitation were established. Both the capacity for respiration, at D greater than 0.2/h, and specific activity of superoxide dismutase increased as a function of specific growth rate, whereas peroxidase and catalase were either invarian...

journal_title：Journal of bacteriology

authors： Hassan HM,Fridovich I

更新日期：1977-05-01 00:00:00

abstract：:The peptidoglycan cell wall determines the shape and structural integrity of a bacterial cell. Class B penicillin-binding proteins (PBPs) carry a transpeptidase activity that cross-links peptidoglycan strands via their peptide side chains, and some of these proteins are directly involved in cell shape determination. N...

journal_title：Journal of bacteriology

authors： Wei Y,Havasy T,McPherson DC,Popham DL

更新日期：2003-08-01 00:00:00

abstract：UNLABELLED:The 2-thiouridine (s(2)U) modification of the wobble position in glutamate, glutamine, and lysine tRNA molecules serves to stabilize the anticodon structure, improving ribosomal binding and overall efficiency of the translational process. Biosynthesis of s(2)U in Escherichia coli requires a cysteine desulfur...

journal_title：Journal of bacteriology

authors： Black KA,Dos Santos PC

更新日期：2015-06-01 00:00:00

abstract：:The nifV and leuA genes, which encode homocitrate synthase and alpha-isopropylmalate synthase, respectively, were cloned from the filamentous cyanobacterium Anabaena sp. strain PCC 7120 by a PCR-based strategy. Since the N-terminal parts of NifV and LeuA from other bacteria are highly similar to each other, a single p...

journal_title：Journal of bacteriology

authors： Stricker O,Masepohl B,Klipp W,Böhme H

更新日期：1997-05-01 00:00:00

abstract：:Using yeast two-hybrid screens, we have defined an interaction group of six Tra proteins encoded by the F plasmid and required by F(+) cells to elaborate F pili. The six proteins are TraH, TraF, TraW, TraU, TrbI, and TrbB. Except for TrbI, these proteins were all identified as hallmarks of F-like type IV secretion sys...

journal_title：Journal of bacteriology

authors： Harris RL,Silverman PM

更新日期：2004-08-01 00:00:00

abstract：:The production and regeneration of bacterial protoplasts promoted the loss of three different plasmid-specified traits in Streptococcus lactis subsp. diacetylactis strains. The loss of five different plasmids, including small multicopy molecules, was readily detected in Streptococcus lactis 712 by screening lysates of...

journal_title：Journal of bacteriology

authors： Gasson MJ

更新日期：1983-04-01 00:00:00

abstract：:In vitro transcription from the promoter for the nitrogen fixation regulatory operon nifLA of K. pneumoniae requires four protein fractions: the core form of RNA polymerase; NTRA, an alternate sigma factor; NTRC, an auxiliary DNA-binding protein; and NTRB, a bifunctional enzyme that controls the activity of NTRC by co...

journal_title：Journal of bacteriology

authors： Wong PK,Popham D,Keener J,Kustu S

更新日期：1987-06-01 00:00:00

abstract：:CytA, a 27-kDa cytolytic crystal protein of Bacillus thuringiensis subsp. israelensis, is produced only at very low levels by recombinant Escherichia coli cells unless a 20-kDa B. thuringiensis subsp. israelensis protein is also present (K. M. McLean and H. R. Whiteley, J. Bacteriol. 169:1017-1023, 1987; L. F. Adams, ...

journal_title：Journal of bacteriology

authors： Visick JE,Whiteley HR

更新日期：1991-03-01 00:00:00

abstract：:We described previously a class of mutations (phenotypic designation R2(-)) in Staphylococcus aureus that were unlinked to penicillinase genes but nevertheless imposed constitutive synthesis of this enzyme upon wild-type plasmids. The plasmids affected by these mutations have been found to possess the same maintenance...

journal_title：Journal of bacteriology

authors： Cohen S,Vernon EG,Sweeney HM

更新日期：1970-09-01 00:00:00