Characterization of a pseudomonad 2-nitrobenzoate nitroreductase and its catabolic pathway-associated 2-hydroxylaminobenzoate mutase and a chemoreceptor involved in 2-nitrobenzoate chemotaxis.

abstract：:Salmonella typhimurium prototrophs carrying a trpR mutation synthesize tryptophan biosynthetic enzymes constitutively. When feedback inhibition of anthranilate synthetase but not 5'-phosphoribosylpyrophosphate phosphoribosyltransferase activity was by-passed by growing cells on media supplemented with anthranilic acid...

journal_title：Journal of bacteriology

authors： Stuttard C

更新日期：1975-09-01 00:00:00

abstract：:Type 3 fimbriae are adhesive organelles found in enterobacterial pathogens. The fimbriae promote biofilm formation on biotic and abiotic surfaces; however, the exact identity of the receptor for the type 3 fimbriae adhesin, MrkD, remains elusive. We analyzed naturally occurring structural and functional variabilities ...

journal_title：Journal of bacteriology

authors： Stahlhut SG,Chattopadhyay S,Kisiela DI,Hvidtfeldt K,Clegg S,Struve C,Sokurenko EV,Krogfelt KA

更新日期：2013-12-01 00:00:00

abstract：:Yersinia enterocolitica transports YscM1 and YscM2 via the type III pathway, a mechanism that is required for the establishment of bacterial infections. Prior to host cell contact, YscM1 and YscM2 exert posttranscriptional regulation to inhibit expression of effector yop genes, which encode virulence factors that trav...

journal_title：Journal of bacteriology

authors： Cambronne ED,Sorg JA,Schneewind O

更新日期：2004-02-01 00:00:00

abstract：:Aeromonas hydrophila secretes a number of degradative enzymes and toxins into the external milieu via the type II secretory pathway or secreton. ExeA is an essential component of this system and is necessary for the localization and/or multimerization of the secretin ExeD. ExeA contains two sequence motifs characteris...

journal_title：Journal of bacteriology

authors： Schoenhofen IC,Li G,Strozen TG,Howard SP

更新日期：2005-09-01 00:00:00

abstract：:We have sequenced a DNA fragment containing the pneumococcal bacteriophage HB-3 hbl gene, which codes for the phage lytic amidase. A remarkable nucleotide similarity (87.1%) between the lytA gene, coding for the pneumococcal amidase, the major autolysin of Streptococcus pneumoniae, and the hbl gene was found. This sim...

journal_title：Journal of bacteriology

authors： Romero A,Lopez R,Garcia P

更新日期：1990-09-01 00:00:00

abstract：:Sinorhizobium meliloti is a soil-dwelling alphaproteobacterium that engages in a nitrogen-fixing root nodule symbiosis with leguminous plants. Cell surface polysaccharides are important both for adapting to stresses in the soil and for the development of an effective symbiotic interaction. Among the polysaccharides ch...

journal_title：Journal of bacteriology

authors： Barnett MJ,Long SR

更新日期：2018-01-10 00:00:00

abstract：:Zierdt, C. H. (National Institutes of Health, Bethesda, Md.), and P. J. Schmidt. Dissociation in Pseudomonas aeruginosa. J. Bacteriol. 87:1003-1010. 1964.-Evidence is presented that dissociation of Pseudomonas aeruginosa occurs in vivo as well as in vitro, although it is suppressed in the blood stream. Of 116 primary ...

journal_title：Journal of bacteriology

authors： Zierdt CH,Schmidt PJ

更新日期：1964-05-01 00:00:00

abstract：:The kinetics of peptidoglycan degradation were examined under different conditions of autolysis of Escherichia coli. With cephaloridine- or moenomycin-induced autolysis, degradation did not exceed 25 to 35%, whereas in EDTA-induced autolysis it rapidly reached 65 to 70%. When nonautolyzing cells were fixed overnight w...

journal_title：Journal of bacteriology

authors： Leduc M,Frehel C,van Heijenoort J

更新日期：1985-02-01 00:00:00

abstract：:Penicillium chrysogenum is an important producer of penicillin antibiotics. A key step in their biosynthesis is the oxidative cyclization of delta-(L-alpha-aminoadipyl)-L-cysteinyl-D-valine (ACV) to isopenicillin N by the enzyme isopenicillin N synthase (IPNS). bis-ACV, the oxidized disulfide form of ACV is, however, ...

journal_title：Journal of bacteriology

authors： Cohen G,Argaman A,Schreiber R,Mislovati M,Aharonowitz Y

更新日期：1994-02-01 00:00:00

abstract：:The mechanism for the extrusion of Na+ from Mycoplasma gallisepticum cells was examined. Na+ efflux from cells was studied by diluting 22Na+-loaded cells into an isoosmotic NaCl solution and measuring the residual 22Na+ in the cells. Uphill 22Na+ efflux was found to be glucose dependent and linear with time over a 60-...

journal_title：Journal of bacteriology

authors： Shirvan MH,Schuldiner S,Rottem S

更新日期：1989-08-01 00:00:00

abstract：:Previous determination of the nucleotide sequence of the iol region of the Bacillus subtilis genome allowed us to predict the structure of the iol operon for myo-inositol catabolism, consisting of 10 iol genes (iolA to iouJ); iolG corresponds to idh, encoding myo-inositol 2-dehydrogenase (Idh). Primer extension analys...

journal_title：Journal of bacteriology

authors： Yoshida KI,Aoyama D,Ishio I,Shibayama T,Fujita Y

更新日期：1997-07-01 00:00:00

abstract：:Acid phosphatase V of Aspergillus nidulans was purified by ammonium sulfate precipitation, gel filtration, and ion-exchange chromatography. The enzyme demonstrated a charge microheterogeneity on starch and acrylamide gel electrophoresis, but proved to be homogeneous on ultracentrifugation and gel filtration. Phosphata...

journal_title：Journal of bacteriology

authors： Harsanyi Z,Dorn GL

更新日期：1972-04-01 00:00:00

abstract：:Massetolide A is a cyclic lipopeptide (CLP) antibiotic produced by various Pseudomonas strains from diverse environments. Cloning, sequencing, site-directed mutagenesis, and complementation showed that massetolide A biosynthesis in P. fluorescens SS101 is governed by three nonribosomal peptide synthetase (NRPS) genes,...

journal_title：Journal of bacteriology

authors： de Bruijn I,de Kock MJ,de Waard P,van Beek TA,Raaijmakers JM

更新日期：2008-04-01 00:00:00

abstract：:A group of enzymes were prepared from the culture fluids of streptococci belonging to groups A, B, C, G, and L, and from a strain of Streptococcus sanguis. These streptococcal enzymes (designated St-sialidases) released a substance shown to belong to the sialic acid group from the specific substrate BSM-St, a sialomuc...

journal_title：Journal of bacteriology

authors： Hayano S,Tanaka A

更新日期：1969-03-01 00:00:00

abstract：:A nonpathogenic mutant of Erwinia carotovora obtained by Mu d1 mutagenesis was defective in the ability to utilize several carbon sources. The basis of the mutation was analyzed biochemically and shown to be a defect in the ability to form UDP glucose-pyrophosphorylase. The nonpathogenic phenotype of the mutant was ca...

journal_title：Journal of bacteriology

authors： Jayaswal RK,Bressan RA,Handa AK

更新日期：1985-10-01 00:00:00

abstract：:Microarray-based comparisons of three Mycobacterium avium subsp. paratuberculosis isolates, including one sheep strain and two cattle strains, identified three large genomic deletions in the sheep strain, totaling 29,208 bp and involving 24 open reading frames. These deletions may help explain some of the differences ...

journal_title：Journal of bacteriology

authors： Marsh IB,Bannantine JP,Paustian ML,Tizard ML,Kapur V,Whittington RJ

更新日期：2006-03-01 00:00:00

abstract：:Salmonella typhimurium LT2 normally expresses two acetohydroxy acid synthases (AHAS I and AHAS II). The function of AHAS I in this organism was unclear, since AHAS I-deficient (ilvBN) mutants of LT2 grew well on glucose or succinate minimal media, whereas AHAS II-deficient (ilvGM) mutants requried isoleucine for norma...

journal_title：Journal of bacteriology

authors： Dailey FE,Cronan JE Jr,Maloy SR

更新日期：1987-02-01 00:00:00

abstract：:CsgA mutants of Myxococcus xanthus appear to be defective in producing an extracellular molecule essential for the developmental behaviors of this bacterium. The csgA gene encodes a 17.7-kilodalton polypeptide whose function and cellular location were investigated with immunological probes. Large quantities of the Csg...

journal_title：Journal of bacteriology

authors： Shimkets LJ,Rafiee H

更新日期：1990-09-01 00:00:00

abstract：:In a search for genes that produce hypersensitivity to cadmium salts in Escherichia coli, random transposon mutagenesis with TnphoA was used. One of the mutant strains obtained was sensitive to Cd2+ and Zn2+. Sequence analysis showed that the TnphoA insertion was located in the dsbA gene coding for a periplasmic prote...

journal_title：Journal of bacteriology

authors： Rensing C,Mitra B,Rosen BP

更新日期：1997-04-01 00:00:00

abstract：:At a pH of

journal_title：Journal of bacteriology

authors： Azarkina N,Konstantinov AA

更新日期：2002-10-01 00:00:00

abstract：:The bacterium Myxococcus xanthus alternates between two colony types distinguished by colony morphology and pigmentation. Because the two phases are interconvertible, this phenomenon has been termed phase variation. In one phase, the colonies are bright yellow, rough, and swarming. In the alternate phase, the colonies...

journal_title：Journal of bacteriology

authors： Laue BE,Gill RE

更新日期：1994-09-01 00:00:00

abstract：:Carere, A., and Isabella Spada-Sermonti (Istituto Superiore di Sanità, Rome, Italy). Nutritional mutations and transduction by ultraviolet-inactivated phage in Staphylococcus aureus. J. Bacteriol. 88:226-232. 1964.-By use of a semisynthetic medium, various nutritional mutants of Staphylococcus aureus 80 were isolated....

journal_title：Journal of bacteriology

authors： CARERE A,SPADA-SERMONTI I

更新日期：1964-07-01 00:00:00

abstract：:LaBrec, Eugene H., Herman Schneider, Thomas J. Magnani, and Samuel B. Formal. Epithelial cell penetration as an essential step in the pathogenesis of bacillary dysentery. J. Bacteriol. 88:1503-1518. 1964.-A parent strain of Shigella flexneri 2a and a colonial mutant derived from it were studied in three animal models....

journal_title：Journal of bacteriology

authors： Labrec EH,Schneider H,Magnani TJ,Formal SB

更新日期：1964-11-01 00:00:00

abstract：:In Vibrio fischeri, the synthesis of N-3-oxohexanoyl-L-homoserine lactone, the autoinducer for population density-responsive induction of the luminescence operon (the lux operon, luxICDABEG), is dependent on the autoinducer synthase gene luxI. Gene replacement mutants of V. fischeri defective in luxI, which had been e...

journal_title：Journal of bacteriology

authors： Kuo A,Blough NV,Dunlap PV

更新日期：1994-12-01 00:00:00

abstract：:A thermosensitive sporulation mutant of Bacillus subtilis containing a mutation in the secY gene was isolated and characterized. No asymmetric septum specific to the sporulation was detected by electron microscopy at the nonpermissive temperature, indicating that the block occurred at a very early stage of sporulation...

journal_title：Journal of bacteriology

authors： Yoshikawa H,Jeong SM,Hirata A,Kawamura F,Doi RH,Takahashi H

更新日期：1993-06-01 00:00:00

abstract：:A Rhodobacter sphaeroides mutant (CYCA1) lacking cytochrome c2 (cyt c2) was previously constructed (T. J. Donohue, A. G. McEwan, S. Van Doren, A. R. Crofts, and S. Kaplan, Biochemistry, 27: 1918-1924, 1988) by a combination of in vivo and in vitro molecular genetic techniques. CYCA1 was incapable of photosynthetic gro...

journal_title：Journal of bacteriology

authors： Brandner JP,McEwan AG,Kaplan S,Donohue TJ

更新日期：1989-01-01 00:00:00

abstract：:Glucose uptake by the heterofermentative lactic acid bacterium Oenococcus oeni B1 was studied at the physiological and gene expression levels. Glucose- or fructose-grown bacteria catalyzed uptake of [(14)C]glucose over a pH range from pH 4 to 9, with maxima at pHs 5.5 and 7. Uptake occurred in two-step kinetics in a h...

journal_title：Journal of bacteriology

authors： Kim OB,Richter H,Zaunmüller T,Graf S,Unden G

更新日期：2011-12-01 00:00:00

abstract：:Sequence analysis of the large virulence plasmid pLVPK in Klebsiella pneumoniae CG43 revealed the presence of another mucoid factor encoding gene rmpA besides rmpA2. Promoter activity measurement indicated that the deletion of rmpA reduced K2 capsular polysaccharide (CPS) biosynthesis, resulting in decreased colony mu...

journal_title：Journal of bacteriology

authors： Cheng HY,Chen YS,Wu CY,Chang HY,Lai YC,Peng HL

更新日期：2010-06-01 00:00:00

abstract：:A search by subtractive hybridization for sequences present in only certain strains of Helicobacter pylori led to the discovery of a 2-kb transposable element to be called IS607, which further PCR and hybridization tests indicated was present in about one-fifth of H. pylori strains worldwide. IS607 contained two open ...

journal_title：Journal of bacteriology

authors： Kersulyte D,Mukhopadhyay AK,Shirai M,Nakazawa T,Berg DE

更新日期：2000-10-01 00:00:00

abstract：:After heating at 65 C, ribosomes isolated from Bacillus stearothermophilus were strikingly more heat-stable than comparable preparations from Escherichia coli when tested for ability to support polyuridylic acid-directed phenylalanine incorporation at 37 C. The stability of ribosomes was also determined by measurement...

journal_title：Journal of bacteriology

authors： Friedman SM,Axel R,Weinstein IB

更新日期：1967-05-01 00:00:00