Differential expression of two catechol 1,2-dioxygenases in Burkholderia sp. strain TH2.

abstract：:Chemotaxis to the aromatic acid 4-hydroxybenzoate (4-HBA) by Pseudomonas putida is mediated by PcaK, a membrane-bound protein that also functions as a 4-HBA transporter. PcaK belongs to the major facilitator superfamily (MFS) of transport proteins, none of which have so far been implicated in chemotaxis. Work with two...

journal_title：Journal of bacteriology

authors： Ditty JL,Harwood CS

更新日期：1999-08-01 00:00:00

abstract：:The large virulence plasmid pMYSH6000 of Shigella flexneri contains a determinant that is highly effective in stabilizing otherwise unstable plasmids in Escherichia coli. Expression of two small contiguous genes, mvpA and mvpT (formerly termed STBORF1 and STBORF2), was shown to be sufficient for stability. Mutations i...

journal_title：Journal of bacteriology

authors： Sayeed S,Reaves L,Radnedge L,Austin S

更新日期：2000-05-01 00:00:00

abstract：:The interaction between endonuclease V, the cyclobutane pyrimidine dimer-specific N-glycosylase/abasic lyase from bacteriophage T4, and DNA was investigated by DNase I footprinting methods. The catalytically inactive mutant E23Q was found to interact with a smaller region of DNA at the abasic site analog, tetrahydrofu...

journal_title：Journal of bacteriology

authors： Latham KA,Manuel RC,Lloyd RS

更新日期：1995-09-01 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：:The marRAB operon is one of two operons in the mar locus of Escherichia coli that are divergently transcribed from a central regulatory region, marO. The marRAB operon, transcribed from marOII, controls intrinsic resistance or susceptibility to multiple antibiotics and is inducible by structurally unrelated compounds ...

journal_title：Journal of bacteriology

authors： Seoane AS,Levy SB

更新日期：1995-06-01 00:00:00

abstract：:In Neurospora crassa, the expression of nit-3, the structural gene which encodes nitrate reductase, is highly regulated and requires both nitrate induction and nitrogen catabolite derepression. The major nitrogen regulatory gene, nit-2, acts in a positive fashion to turn on the expression of nit-3 and other nitrogen-r...

journal_title：Journal of bacteriology

authors： Fu YH,Marzluf GA

更新日期：1988-02-01 00:00:00

abstract：:Dominance tests in diploids have confirmed that the product of the tyrR gene is involved in a negative control system affecting the synthesis of both 3-deoxy-d-arabinoheptulosonic acid 7-phosphate (DAHP) synthetase (tyr) and DAHP synthetase (phe). Some tyrR mutants are derepressed for the synthesis of both DAHP synthe...

journal_title：Journal of bacteriology

authors： Im SW,Pittard J

更新日期：1973-09-01 00:00:00

abstract：:We report the use of a fusion to the green fluorescent protein to visualize the assembly of the morphogenetic protein SpoIVA around the developing forespore during the process of sporulation in the bacterium Bacillus subtilis. Using a deconvolution algorithm to process digitally-collected optical sections, we show tha...

journal_title：Journal of bacteriology

authors： Price KD,Losick R

更新日期：1999-02-01 00:00:00

abstract：:Deletion mutants of plasmid ColE1 that involve the replication origin and adjacent regions of the plasmid have been studied to determine the mechanism by which those mutations affect the expression of plasmid incompatibility. It was observed that (i) a region of ColE1 that is involved in the expression of plasmid inco...

journal_title：Journal of bacteriology

authors： Hashimoto-Gotoh T,Inselburg J

更新日期：1979-08-01 00:00:00

abstract：:Copper is both a required micronutrient and a source of toxicity in most organisms, including Campylobacter jejuni Two proteins expressed in C. jejuni (termed CopA and CueO) have been shown to be a copper transporter and multicopper oxidase, respectively. We have isolated strains with mutations in these genes, and her...

journal_title：Journal of bacteriology

authors： Gardner SP,Olson JW

更新日期：2018-10-10 00:00:00

abstract：:An early step in crown gall tumor formation involves the attachment of Agrobacterium tumefaciens to host plant cells. A. tumefaciens C58::A205 (C58 attR) is a Tn3HoHo1 insertion mutant that was found to be avirulent on Bryophyllum daigremontiana and unable to attach to carrot suspension cells. The mutation mapped to a...

journal_title：Journal of bacteriology

authors： Reuhs BL,Kim JS,Matthysse AG

更新日期：1997-09-01 00:00:00

abstract：:At various stages during spore formation sporangia were shocked by cold treatment or with toluene, and the germination requirements of the prespores were examined. Up to 5 h after induction of sporulation (t5) germination was spontaneous; i.e., it occurred without any added germinants. After t5, during stages V and VI...

journal_title：Journal of bacteriology

authors： Dion P,Mandelstam J

更新日期：1980-02-01 00:00:00

abstract：:The kinetics of beta-lactamase induction in Pseudomonas maltophilia IID1275/873 were investigated. Upon induction with beta-lactam antibiotics, a correlation was seen between the increase in specific beta-lactamase activity and the generation time, as well as the concentration of inducer in the medium. The specific be...

journal_title：Journal of bacteriology

authors： Rosta S,Mett H

更新日期：1989-01-01 00:00:00

abstract：:The DNA of bacteriophage Mu, extracted from induced lysates, is partially resistant to digestion by the endonuclease BalI. This modification of DNA is controlled by the Mu modification function (mom), which acts in conjunction with the dam (DNA-adenine methylation) function of Escherichia coli. Since the BalI recognit...

journal_title：Journal of bacteriology

authors： Khatoon H,Bukhari AI

更新日期：1978-10-01 00:00:00

abstract：:Using mixed-species cultures, we have undertaken a study of interactions between two common spore-forming soil bacteria, Bacillus subtilis and Streptomyces coelicolor. Our experiments demonstrate that the development of aerial hyphae and spores by S. coelicolor is inhibited by surfactin, a lipopeptide surfactant produ...

journal_title：Journal of bacteriology

authors： Straight PD,Willey JM,Kolter R

更新日期：2006-07-01 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：: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：:Emulsan, the polyanionic emulsifying agent synthesized by Acinetobacter calcoaceticus RAG-1, was depolymerized by an enzyme obtained from a soil bacterium YUV-1. The extracellular emulsan depolymerase was produced when strains RAG-1 and YUV-1 were grown together on agar medium. The enzyme was extracted from the agar a...

journal_title：Journal of bacteriology

authors： Shoham Y,Rosenberg E

更新日期：1983-10-01 00:00:00

abstract：:Calcium carbonate precipitation, a widespread phenomenon among bacteria, has been investigated due to its wide range of scientific and technological implications. Nevertheless, little is known of the molecular mechanisms by which bacteria foster calcium carbonate mineralization. In our laboratory, we are studying calc...

journal_title：Journal of bacteriology

authors： Barabesi C,Galizzi A,Mastromei G,Rossi M,Tamburini E,Perito B

更新日期：2007-01-01 00:00:00

abstract：:Biochemical and immunological experiments have suggested that the Escherichia coli enzyme p-aminobenzoate synthetase and anthranilate synthetase are structurally related. Both enzymes are composed of two nonidentical subunits. Anthranilate synthetase is composed of proteins encoded by the genes trp(G)D and trpE, where...

journal_title：Journal of bacteriology

authors： Goncharoff P,Nichols BP

更新日期：1984-07-01 00:00:00

abstract：:Entry into the host bacterial cell is one of the least understood steps in the life cycle of bacteriophages. The different envelopes of Gram-negative and Gram-positive bacteria, with a fluid outer membrane and exposing a thick peptidoglycan wall to the environment respectively, impose distinct challenges for bacteriop...

journal_title：Journal of bacteriology

authors： Jakutytė L,Baptista C,São-José C,Daugelavičius R,Carballido-López R,Tavares P

更新日期：2011-09-01 00:00:00

abstract：:Virgibacillus halodenitrificans 1806 is an endospore-forming halophilic bacterium isolated from salterns in Korea. Here, we report the draft genome sequence of V. halodenitrificans 1806, which may reveal the molecular basis of osmoadaptation and insights into carbon and anaerobic metabolism in moderate halophiles. ...

journal_title：Journal of bacteriology

authors： Lee SJ,Lee YJ,Jeong H,Lee SJ,Lee HS,Pan JG,Kim BC,Lee DW

更新日期：2012-11-01 00:00:00

abstract：:Transferable plasmids play an important role in the dissemination of clindamycin-erythromycin resistance in Bacteroides fragilis. We previously described the isolation and properties of pBFTM10, a 14.9-kb ClnR transfer factor from B. fragilis TMP10. We also reported the isolation of a transfer-deficient deletion deriv...

journal_title：Journal of bacteriology

authors： Hecht DW,Jagielo TJ,Malamy MH

更新日期：1991-12-01 00:00:00

abstract：:Modification of gonococcal deoxyribonucleic acid (DNA) was investigated, and the relationship with endonuclease production was explored. Both chromosomal and plasmid DNA from different gonococcal strains, irrespective of their plasmid content, was poorly cleaved by the restriction endonucleases HaeII, HaeIII, SacII, a...

journal_title：Journal of bacteriology

authors： Norlander L,Davies JK,Hagblom P,Normark S

更新日期：1981-02-01 00:00:00

abstract：:The gcaD, prs, and ctc genes were shown to be organized as a tricistronic operon. The transcription of the prs gene, measured as phosphoribosyl diphosphate synthetase activity, and of the ctc gene, measured as beta-galactosidase activity specified by a ctc-lacZ protein fusion, were dependent on the promoter in front o...

journal_title：Journal of bacteriology

authors： Hilden I,Krath BN,Hove-Jensen B

更新日期：1995-12-01 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：:Level of competence reached by Bacillus subtilis 168 lysogenic for temperate phage phi 105 was reduced compared to that reached by nonlysogenic cells. This effect was probably related to an alteration of the bacterial surface. Deoxyribonucleic acid extracted from phi 105 lysogenic bacteria was used to transform other ...

journal_title：Journal of bacteriology

authors： Peterson AM,Rutberg L

更新日期：1969-06-01 00:00:00

abstract：:It has been suggested that catalase-peroxidase plays an important role in several aspects of mycobacterial metabolism and is a virulence factor in the main pathogenic mycobacteria. In this investigation, we studied genes encoding for this protein in the fast-growing opportunistic pathogen Mycobacterium fortuitum. Nucl...

journal_title：Journal of bacteriology

authors： Menéndez MC,Ainsa JA,Martín C,García MJ

更新日期：1997-11-01 00:00:00

abstract：:The SecY39(Cs) (cold-sensitive) alteration of Arg357 results in a defect of translocation initiation. As a means to dissect the Sec translocation machinery, we isolated mutations that act as suppressors of the secY39 defect. A specific secE mutation, designated secE105, was thus isolated. This mutation proved to be id...

journal_title：Journal of bacteriology

authors： Mori H,Akiyama Y,Ito K

更新日期：2003-02-01 00:00:00

abstract：:The gene for a new outer membrane-associated protease, designated OmpP, of Escherichia coli has been cloned and sequenced. The gene encodes a 315-residue precursor protein possessing a 23-residue signal sequence. Including conservative substitutions and omitting the signal peptides, OmpP is 87% identical to the outer ...

journal_title：Journal of bacteriology

authors： Kaufmann A,Stierhof YD,Henning U

更新日期：1994-01-01 00:00:00