rec-2-dependent phage recombination in Haemophilus influenzae.

abstract：:MreC and MreD, along with the actin homologue MreB, are required to maintain the shape of rod-shaped bacteria. The depletion of MreCD in rod-shaped bacteria leads to the formation of spherical cells and the accumulation of suppressor mutations. Ovococcus bacteria, such as Streptococcus pneumoniae, lack MreB homologues...

journal_title：Journal of bacteriology

authors： Land AD,Winkler ME

更新日期：2011-08-01 00:00:00

abstract：:Alysiella bovis adheres to surfaces by means of short, ruthenium red-staining, rod-like fimbriae. The fimbriae remain associated with the cell envelope of A. bovis, even when sonicated or exposed sequentially to toluene, Triton X-100, lysozyme, ribonuclease, and deoxyribonuclease. Adhesion of outer membrane-derived ce...

journal_title：Journal of bacteriology

authors： Irvin RT,To M,Costerton JW

更新日期：1984-11-01 00:00:00

abstract：:Edwards, P. R. (Communicable Disease Center, U.S. Public Health Service, Atlanta, Ga.), R. Sakazaki, and I. Kato. Natural occurrence of four reversible flagellar phases in cultures of Salmonella mikawashima. J. Bacteriol. 84:99-103. 1962-Study of cultures of Salmonella mikawashima isolated from reptiles revealed that ...

journal_title：Journal of bacteriology

authors： EDWARDS PR,SAKAZAKI R,KATO I

更新日期：1962-07-01 00:00:00

abstract：:Both alpha-tocopherolquinol and alpha-tocopherolquinone were found in 56 of 93 strains of microorganisms examined. Organisms that contained these compounds included the single example of a eucaryotic alga, a Euglena, and a cyanobacterium (blue-green alga), 22 of 32 genera of bacteria, and 9 genera of yeasts. In the ba...

journal_title：Journal of bacteriology

authors： Hughes PE,Tove SB

更新日期：1982-09-01 00:00:00

abstract：:S-Adenosyl-L-methionine:precorrin-2 methyltransferase (SP2MT), which catalyzes the C-20 methylation of precorrin-2 to precorrin-3, was purified to homogeneity from extracts of a recombinant strain of Pseudomonas denitrificans derived from a cobalamin-overproducing strain. Ammonium sulfate fractionation followed by chr...

journal_title：Journal of bacteriology

authors： Thibaut D,Couder M,Crouzet J,Debussche L,Cameron B,Blanche F

更新日期：1990-11-01 00:00:00

abstract：:The tdh promoter of Escherichia coli is induced seven- to eightfold when cells are grown in the presence of exogenous leucine. A scheme was devised to select mutants that exhibited high constitutive expression of the tdh promoter. The mutations in these strains were shown to lie within a previously identified gene (lr...

journal_title：Journal of bacteriology

authors： Rex JH,Aronson BD,Somerville RL

更新日期：1991-10-01 00:00:00

abstract：:To investigate the function of spot 42 RNA, a small RNA of Escherichia coli, we constructed a strain in which spf, the structural gene for this RNA, is deleted. We achieved this by using a delta att phage lambda carrying a DNA fragment spanning the spf region but with a precise deletion of spf. By integration of this ...

journal_title：Journal of bacteriology

authors： Hatfull GF,Joyce CM

更新日期：1986-06-01 00:00:00

abstract：:The enzymatic properties and the physiological function of the type IV apurinic/apyrimidinic (AP)-endonuclease homolog of Bacillus subtilis, encoded by yqfS, a gene specifically expressed in spores, were studied here. To this end, a recombinant YqfS protein containing an N-terminal His6 tag was synthesized in Escheric...

journal_title：Journal of bacteriology

authors： Salas-Pacheco JM,Urtiz-Estrada N,Martínez-Cadena G,Yasbin RE,Pedraza-Reyes M

更新日期：2003-09-01 00:00:00

abstract：:The cloned gene coding for Bacillus licheniformis penicillinase (penP) was introduced into Escherichia coli in a heat-inducible lambda Qam vector. After induction, significant amounts of penicillinase were synthesized in the new host. The cellular location of the penicillinase was found to be almost exclusively the ou...

journal_title：Journal of bacteriology

authors： Sarvas MO,Palva IA

更新日期：1983-08-01 00:00:00

abstract：:We examined tryptophan regulation in merodiploid hybrids in which a plasmid carrying the trp operon of Escherichia was introduced into Trp mutants of other enteric genera, or in which a plasmid carrying the trpR+ (repressor) gene of E. coli was transfered into fully constitutive trpR mutants of other genera. In these ...

journal_title：Journal of bacteriology

authors： Manson MD,Yanofsky C

更新日期：1976-05-01 00:00:00

abstract：:The region of the Rhizobium leguminosarum biovar viciae Sym plasmid pRL1JI, responsible for the production and secretion of a previously described 50-kilodalton protein (R. A. de Maagd, C. A. Wijffelman, E. Pees, and B. J. J. Lugtenberg, J. Bacteriol. 170:4424-4427, 1988), was cloned and its nucleotide sequence was de...

journal_title：Journal of bacteriology

authors： de Maagd RA,Wijfjes AH,Spaink HP,Ruiz-Sainz JE,Wijffelman CA,Okker RJ,Lugtenberg BJ

更新日期：1989-12-01 00:00:00

abstract：:Bacterial flagellar filaments grow at their distal ends, from flagellin that travels through a central channel ∼2 nm in diameter. The flagellin is extruded from the cytoplasm by a pump powered by a proton motive force (PMF). We measured filament growth in cells near the mid-exponential-phase with flagellin bearing a s...

journal_title：Journal of bacteriology

authors： Turner L,Stern AS,Berg HC

更新日期：2012-05-01 00:00:00

abstract：:Activities of gamma-butyrobetaine hydroxylase and carnitine dehydrogenase were low in cells of Pseudomonas sp. AK 1 grown in the absence of their respective substrates. ...

journal_title：Journal of bacteriology

authors： Lindstedt G,Lindstedt S,Midtvedt T,Tofft M

更新日期：1970-03-01 00:00:00

abstract：:Coliphage TuIa, which uses the OmpF protein as a receptor, can adapt by mutation to using instead the OmpC or LamB protein, or both. Most of the phage mutants retained the ability to use the OmpF protein, when present, but one class of mutants lost this ability and could only use the OmpC protein. ...

journal_title：Journal of bacteriology

authors： Moreno F,Wandersman C

更新日期：1980-12-01 00:00:00

abstract：:Five Escherichia coli type 1 pilus mutants that had point mutations in fimH, the gene encoding the type 1 pilus adhesin FimH, were characterized. FimH is a minor component of type 1 pili that is required for the pili to bind and agglutinate guinea pig erythrocytes in a mannose-inhibitable manner. Point mutations were ...

journal_title：Journal of bacteriology

authors： Hamrick TS,Harris SL,Spears PA,Havell EA,Horton JR,Russell PW,Orndorff PE

更新日期：2000-07-01 00:00:00

abstract：:Among strains of Haemophilus influenzae, the ability to catabolize tryptophan (as detected by indole production) varies and is correlated with pathogenicity. Tryptophan catabolism is widespread (70 to 75%) among harmless respiratory isolates but is nearly universal (94 to 100%) among strains causing serious disease, i...

journal_title：Journal of bacteriology

authors： Martin K,Morlin G,Smith A,Nordyke A,Eisenstark A,Golomb M

更新日期：1998-01-01 00:00:00

abstract：:Evidence from pulse-chase experiments indicates that the outer membrane matrix protein or porin of Escherichia coli B/r passes through a Sarkosyl-soluble membrane pool on the way to its eventual Sarkosyl-insoluble state in the outer membrane. ...

journal_title：Journal of bacteriology

authors： Boyd A,Holland IB

更新日期：1980-09-01 00:00:00

abstract：:Nine natural isolates of Escherichia coli were examined, and the sequence of the entire 1,404 bases of the gnd gene (6-phosphogluconate dehydrogenase, EC 1.1.1.44) was determined. These isolates, along with E. coli K-12, constitute 10 strains for analysis. (The sequence of the E. coli K-12 gnd gene is known.) A total ...

journal_title：Journal of bacteriology

authors： Bisercić M,Feutrier JY,Reeves PR

更新日期：1991-06-01 00:00:00

abstract：:The major acid-soluble spore proteins (ASSPs) of Bacillus subtilis were detected by immunoprecipitation of radioactively labeled in vitro- and in vivo-synthesized proteins. ASSP synthesis in vivo began 2 h after the initiation of sporulation (t2) and reached its maximum rate at t7. This corresponded to the time of syn...

journal_title：Journal of bacteriology

authors： Leventhal JM,Chambliss GH

更新日期：1982-12-01 00:00:00

abstract：:The rice pathogen recognition receptor, XA21, confers resistance to Xanthomonas oryzae pv. oryzae strains producing the type one system-secreted molecule, AvrXA21. X. oryzae pv. oryzae requires a regulatory two-component system (TCS) called RaxRH to regulate expression of eight rax (required for AvrXA21 activity) gene...

journal_title：Journal of bacteriology

authors： Lee SW,Jeong KS,Han SW,Lee SE,Phee BK,Hahn TR,Ronald P

更新日期：2008-03-01 00:00:00

abstract：:Listeria monocytogenes has caused numerous human outbreaks. Here we report draft genomes of L. monocytogenes J1816 and J1-220, which belong to epidemic clones II and IV, respectively. Whole-genome sequence analysis of these strains provides a tool for studying the short-term evolution of these epidemic clones. ...

journal_title：Journal of bacteriology

authors： Chen Y,Strain EA,Allard M,Brown EW

更新日期：2011-07-01 00:00:00

abstract：:The ribosomal proteins from nine species of prokaryotes have been compared by polyacrylamide gel electrophoresis in the presence of sodium dodecyl sulfate. The stained gels were scanned spectrophotometrically, the weight and number average molecular weights were calculated, and the detailed distribution of the protein...

journal_title：Journal of bacteriology

authors： Sun TT,Bickle TA,Traut RR

更新日期：1972-08-01 00:00:00

abstract：:We show that both flanking IS256 elements carried by transposon Tn4001 are capable of generating head-to-tail tandem copies and free circular forms, implying that both are active. Our results suggest that the tandem structures arise from dimeric copies of the donor or vector plasmid present in the population by a mech...

journal_title：Journal of bacteriology

authors： Prudhomme M,Turlan C,Claverys JP,Chandler M

更新日期：2002-01-01 00:00:00

abstract：:The Rhodobacter capsulatus genome contains three genes (olsA [plsC138], plsC316, and plsC3498) that are annotated as lysophosphatidic acid (1-acyl-sn-glycerol-3-phosphate) acyltransferase (AGPAT). Of these genes, olsA was previously shown to be an O-acyltransferase in the second step of ornithine lipid biosynthesis, w...

journal_title：Journal of bacteriology

authors： Aygun-Sunar S,Bilaloglu R,Goldfine H,Daldal F

更新日期：2007-12-01 00:00:00

abstract：:Tn551 inactivation of femA, a factor involved in methicillin resistance of Staphylococcus aureus, caused the production of peptidoglycan in which the fraction of monoglycyl- and serine-containing muropeptides was increased at the expense of pentaglycyl muropeptides. femA mutants have a specific block in the biosynthes...

journal_title：Journal of bacteriology

authors： de Jonge BL,Sidow T,Chang YS,Labischinski H,Berger-Bachi B,Gage DA,Tomasz A

更新日期：1993-05-01 00:00:00

abstract：:The control of expression of the Bacillus subtilis spoIIA locus was analyzed by titrating gene expression against gene copy number. A plasmid integrated into the B. subtilis chromosome and carrying the spoIIA control region fused to Escherichia coli lacZ was forced to form tandem repeats by the selection of clones tha...

journal_title：Journal of bacteriology

authors： Piggot PJ,Curtis CA

更新日期：1987-03-01 00:00:00

abstract：:Coxiella burnetii, the etiological agent of acute and chronic Q fever in humans, is a naturally intracellular pathogen that directs the formation of an acidic Coxiella-containing vacuole (CCV) derived from the host lysosomal network. Central to its pathogenesis is a specialized type IVB secretion system (T4SS) that de...

journal_title：Journal of bacteriology

authors： Weber MM,Chen C,Rowin K,Mertens K,Galvan G,Zhi H,Dealing CM,Roman VA,Banga S,Tan Y,Luo ZQ,Samuel JE

更新日期：2013-09-01 00:00:00

abstract：:The EutD protein of Salmonella enterica is homologous to the catalytic domain of the phosphotransacetylase (Pta) enzyme. The Pta-like activity level of the EutD enzyme compared favorably to that of other Pta enzymes. High-pressure liquid chromatography and mass spectrometry verified that acetyl-coenzyme A was the prod...

journal_title：Journal of bacteriology

authors： Brinsmade SR,Escalante-Semerena JC

更新日期：2004-03-01 00:00:00

abstract：:Ribonucleotide reductases (RNRs) are crucial to all living cells, since they provide deoxyribonucleotides (dNTPs) for DNA synthesis and repair. In Mycobacterium tuberculosis, a class Ib RNR comprising nrdE- and nrdF2-encoded subunits is essential for growth in vitro. Interestingly, the genome of this obligate human pa...

journal_title：Journal of bacteriology

authors： Mowa MB,Warner DF,Kaplan G,Kana BD,Mizrahi V

更新日期：2009-02-01 00:00:00

abstract：:Secreted and cell envelope-associated proteins are important to both Mycobacterium tuberculosis pathogenesis and the generation of protective immunity to M. tuberculosis. We used an in vitro Tn552'phoA transposition system to identify exported proteins of M. tuberculosis. The system is simple and efficient, and the tr...

journal_title：Journal of bacteriology

authors： Braunstein M,Griffin TJ IV,Kriakov JI,Friedman ST,Grindley ND,Jacobs WR Jr

更新日期：2000-05-01 00:00:00