The Hfq homolog in Legionella pneumophila demonstrates regulation by LetA and RpoS and interacts with the global regulator CsrA.

abstract：:CheY is the response regulator in the signal transduction pathway of bacterial chemotaxis. Position 106 of CheY is occupied by a conserved aromatic residue (tyrosine or phenylalanine) in the response regulator superfamily. A number of substitutions at position 106 have been made and characterized by both behavioral an...

journal_title：Journal of bacteriology

authors： Zhu X,Amsler CD,Volz K,Matsumura P

更新日期：1996-07-01 00:00:00

abstract：:Paenibacillus mucilaginosus is a ubiquitous functional bacterium in microbial fertilizer. Here we report the complete sequence of P. mucilaginosus 3016. Multiple sets of functional genes have been found in the genome. To the best of our knowledge, this is the first announcement about the complete genome sequence of a ...

journal_title：Journal of bacteriology

authors： Ma M,Wang Z,Li L,Jiang X,Guan D,Cao F,Chen H,Wang X,Shen D,Du B,Li J

更新日期：2012-05-01 00:00:00

abstract：:The two highly homologous cbb operons of Alcaligenes eutrophus H16 that are located on the chromosome and on megaplasmid pHG1 contain genes encoding several enzymes of the Calvin carbon reduction cycle. Sequence analysis of a region from the promoter-distal part revealed two open reading frames, designated cbbT and cb...

journal_title：Journal of bacteriology

authors： Schäferjohann J,Yoo JG,Kusian B,Bowien B

更新日期：1993-11-01 00:00:00

abstract：:The oral bacterium Streptococcus salivarius takes up lactose via a transporter called LacS that shares 95% identity with the LacS from Streptococcus thermophilus, a phylogenetically closely related organism. S. thermophilus releases galactose into the medium during growth on lactose. Expulsion of galactose is mediated...

journal_title：Journal of bacteriology

authors： Lessard C,Cochu A,Lemay JD,Roy D,Vaillancourt K,Frenette M,Moineau S,Vadeboncoeur C

更新日期：2003-12-01 00:00:00

abstract：:The Escherichia coli secA gene, whose expression is responsive to the protein secretion status of the cell, is the second gene in an operon. We found that both the basal and induced levels of SecA biosynthesis are dependent on prior translation of the upstream gene, gene X, and identified two large gene X-secA transcr...

journal_title：Journal of bacteriology

authors： Schmidt MG,Oliver DB

更新日期：1989-02-01 00:00:00

abstract：:Human-pathogenic Bartonella henselae causes cat scratch disease and vasculoproliferative disorders. An important pathogenicity factor of B. henselae is the trimeric autotransporter adhesin (TAA) Bartonella adhesin A (BadA), which is modularly constructed, consisting of a head, a long and repetitive neck-stalk module, ...

journal_title：Journal of bacteriology

authors： Schmidgen T,Kaiser PO,Ballhorn W,Franz B,Göttig S,Linke D,Kempf VA

更新日期：2014-06-01 00:00:00

abstract：:An ADP-ribosylating toxin named Aeromonas salmonicida exoenzyme T (AexT) in A. salmonicida subsp. salmonicida, the etiological agent of furunculosis in fish, was characterized. Gene aexT, encoding toxin AexT, was cloned and characterized by sequence analysis. AexT shows significant sequence similarity to the ExoS and ...

journal_title：Journal of bacteriology

authors： Braun M,Stuber K,Schlatter Y,Wahli T,Kuhnert P,Frey J

更新日期：2002-04-01 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：:Two key elements that are thought to be required for replication initiation in eubacteria are the DnaA protein, a trans-acting factor, and the replication origin, a cis-acting element. As a first step in studying the replication initiation process in mycobacteria, we have isolated a 4-kb chromosomal DNA fragment from ...

journal_title：Journal of bacteriology

authors： Rajagopalan M,Qin MH,Nash DR,Madiraju MV

更新日期：1995-11-01 00:00:00

abstract：:Two open reading frames (ORFs) were identified immediately downstream of the four structural genes for the soluble hydrogenase (SH) of Alcaligenes eutrophus H16. While a mutation in ORF2 had no obvious effect on hydrogen metabolism, an in-frame deletion in ORF1, subsequently designated hoxW, led to a complete loss of ...

journal_title：Journal of bacteriology

authors： Thiemermann S,Dernedde J,Bernhard M,Schroeder W,Massanz C,Friedrich B

更新日期：1996-04-01 00:00:00

abstract：:During development of the symbiotic soil bacterium Sinorhizobium meliloti into nitrogen-fixing bacteroids, DNA replication and cell division cease and the cells undergo profound metabolic and morphological changes. Regulatory genes controlling the early stages of this process have not been identified. As a first step ...

journal_title：Journal of bacteriology

authors： Barnett MJ,Hung DY,Reisenauer A,Shapiro L,Long SR

更新日期：2001-05-01 00:00:00

abstract：:Plasmid R1 is a low-copy-number plasmid that is present at a level of about four or five copies per average cell. The copy number is controlled posttranscriptionally at the level of synthesis of the rate-limiting initiator protein RepA. In addition to this, R1 has an auxiliary system that derepresses a second promoter...

journal_title：Journal of bacteriology

authors： Olsson JA,Paulsson J,Nordström K

更新日期：2004-01-01 00:00:00

abstract：:Streptomyces linear plasmids and linear chromosomes can replicate also in a circular form when their telomeres are deleted. The 17-kb linear plasmid pSLA2 has been a useful model in studies of such replicons. Here we report that the minimal origin initiating replication of pSLA2-derived plasmids as circular molecules ...

journal_title：Journal of bacteriology

authors： Qin Z,Shen M,Cohen SN

更新日期：2003-11-01 00:00:00

abstract：:We have previously shown that both ends of the Tn3 family transposon Tn4652 contain integration host factor (IHF) binding sites and that IHF positively regulates expression of the Tn4652 transposase gene tnpA in Pseudomonas putida (R. Hõrak, and M. Kivisaar, J. Bacteriol. 180:2822-2829, 1998). Tn4652 can activate sile...

journal_title：Journal of bacteriology

authors： Teras R,Hõrak R,Kivisaar M

更新日期：2000-02-01 00:00:00

abstract：:Escherichia coli mutants lacking activities of all known cytosolic ATP-dependent proteases (Lon, ClpAP, ClpXP, and HslVU), due to double deletions [DeltahslVU and Delta(clpPX-lon)], cannot grow at low (30 degrees C) or very high (45 degrees C) temperatures, unlike those carrying either of the deletions. Such growth de...

journal_title：Journal of bacteriology

authors： Kanemori M,Yanagi H,Yura T

更新日期：1999-06-01 00:00:00

abstract：:The Sinorhizobium meliloti megaplasmid pSymA has previously been implicated in gluconate utilization. We report a locus on pSymA encoding a putative tripartite ATP-independent periplasmic (TRAP) transporter that is required for gluconate utilization. The expression of this locus is negatively regulated by a GntR famil...

journal_title：Journal of bacteriology

authors： Steele TT,Fowler CW,Griffitts JS

更新日期：2009-02-01 00:00:00

abstract：:Virus-host interactions are regulated by complex coevolutionary dynamics. In Streptococcus pneumoniae, phase-variable type I restriction-modification (R-M) systems are part of the core genome. We hypothesized that the ability of the R-M systems to switch between six target DNA specificities also has a key role in prev...

journal_title：Journal of bacteriology

authors： Furi L,Crawford LA,Rangel-Pineros G,Manso AS,De Ste Croix M,Haigh RD,Kwun MJ,Engelsen Fjelland K,Gilfillan GD,Bentley SD,Croucher NJ,Clokie MR,Oggioni MR

更新日期：2019-09-06 00:00:00

abstract：:Mushin, Rose (University of Melbourne, Victoria, Australia) and Frances M. Ashburner. Gastrointestinal microflora of mutton birds (Puffinus tenuirostris) in relation to "limy" disease. J. Bacteriol. 83:1260-1267. 1962.-The aerobic bacterial intestinal flora of mutton birds, healthy and affected with "limy" disease, wa...

journal_title：Journal of bacteriology

authors： MUSHIN R,ASHBURNER FM

更新日期：1962-06-01 00:00:00

abstract：:Studies with cell-free protein preparations from a series of recombinant strains of Pseudomonas denitrificans demonstrated that precorrin-3 is converted into a further trimethylated intermediate, named precorrin-3B, along the pathway to coenzyme B12. It was then shown that the part of the pathway from precorrin-3 (cal...

journal_title：Journal of bacteriology

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

更新日期：1993-11-01 00:00:00

abstract：:The ftsZ gene of Escherichia coli, which lies in a cluster of cell division genes at 2 min on the genetic map, codes for a protein which is thought to play a key role in triggering cell division. Using an ftsZ::lacZ operon fusion, we have studied the transcription of the ftsZ gene under conditions in which cell divisi...

journal_title：Journal of bacteriology

authors： Robin A,Joseleau-Petit D,D'Ari R

更新日期：1990-03-01 00:00:00

abstract：:Information on the biosynthesis of phospholipids in bacteria has been derived principally from the study of Escherichia coli and other gram-negative organisms. We have now carried out a detailed study of the pathways of phospholipid biosynthesis in the gram-positive organism Bacillus megarterium KM in relation to inve...

journal_title：Journal of bacteriology

authors： Langley KE,Yaffe MP,Kennedy EP

更新日期：1979-12-01 00:00:00

abstract：:The DosS (DevS) and DosT histidine kinases form a two-component system together with the DosR (DevR) response regulator in Mycobacterium tuberculosis. DosS and DosT, which have high sequence similarity to each other over the length of their amino acid sequences, contain two GAF domains (GAF-A and GAF-B) in their N-ter...

journal_title：Journal of bacteriology

authors： Kim MJ,Park KJ,Ko IJ,Kim YM,Oh JI

更新日期：2010-10-01 00:00:00

abstract：:In Escherichia coli, nine essential cell division proteins are known to localize to the division septum. FtsL is a 13-kDa bitopic membrane protein with a short cytoplasmic N-terminal domain, a membrane-spanning segment, and a periplasmic domain that has a repeated heptad motif characteristic of leucine zippers. Here, ...

journal_title：Journal of bacteriology

authors： Ghigo JM,Beckwith J

更新日期：2000-01-01 00:00:00

abstract：:The nature of the phospholipids of the various bacteria that have ice nucleation activity in supercooled water has been determined. The seven bacteria studied included Pseudomonas syringae, Erwinia herbicola, three Escherichia coli K-12 strains that are phenotypically Ice+ because they contain plasmids with different ...

journal_title：Journal of bacteriology

authors： Kozloff LM,Turner MA,Arellano F,Lute M

更新日期：1991-03-01 00:00:00

abstract：:A novel sucrose hydrolase (SUH) from Xanthomonas axonopodis pv. glycines, a causative agent of bacterial pustule disease on soybeans, was studied at the functional and molecular levels. SUH was shown to act rather specifically on sucrose (K(m) = 2.5 mM) but not on sucrose-6-phosphate. Protein analysis of purified SUH ...

journal_title：Journal of bacteriology

authors： Kim HS,Park HJ,Heu S,Jung J

更新日期：2004-01-01 00:00:00

abstract：:The Bacillus subtilis ferric uptake regulator (Fur) protein is the major sensor of cellular iron status. When iron is limiting for growth, derepression of the Fur regulon increases the cellular capacity for iron uptake and mobilizes an iron-sparing response mediated in large part by a small noncoding RNA named FsrA. F...

journal_title：Journal of bacteriology

authors： Smaldone GT,Revelles O,Gaballa A,Sauer U,Antelmann H,Helmann JD

更新日期：2012-05-01 00:00:00

abstract：:The azlB locus of Bacillus subtilis was defined previously by a mutation conferring resistance to a leucine analog, 4-azaleucine (J. B. Ward, Jr., and S. A. Zahler, J. Bacteriol. 116:727-735, 1973). In this report, azlB is shown to be the first gene of an operon apparently involved in branched-chain amino acid transpo...

journal_title：Journal of bacteriology

authors： Belitsky BR,Gustafsson MC,Sonenshein AL,Von Wachenfeldt C

更新日期：1997-09-01 00:00:00

abstract：:The fucose-/mannose-specific lectin LecB from Pseudomonas aeruginosa is transported to the outer membrane; however, the mechanism used is not known so far. Here, we report that LecB is present in the periplasm of P. aeruginosa in two variants of different sizes. Both were functional and could be purified by their affi...

journal_title：Journal of bacteriology

authors： Bartels KM,Funken H,Knapp A,Brocker M,Bott M,Wilhelm S,Jaeger KE,Rosenau F

更新日期：2011-03-01 00:00:00

abstract：:Early stages of nodulation involve the exchange of signals between the bacterium and the host plant. Bacterial nodulation (nod) genes are required for Rhizobium spp. to synthesize lipooligosaccharide morphogens, termed Nod factors. The common nod genes encode enzymes that synthesize the factor core structure, which is...

journal_title：Journal of bacteriology

authors： Ehrhardt DW,Atkinson EM,Faull KF,Freedberg DI,Sutherlin DP,Armstrong R,Long SR

更新日期：1995-11-01 00:00:00

abstract：:pGC1, a self-transmissible lac plasmid that originated in Yersinia enterocolitica 842, is described. This plasmid is freely transmissible between strains of Y. enterocolitica and from such strains to strains of Escherichia coli. The plasmid can also be transferref among G. coli strains and back to Y. enterocolitica, a...

journal_title：Journal of bacteriology

authors： Cornelis G,Bennett PM,Grinsted J

更新日期：1976-09-01 00:00:00