DifA, a methyl-accepting chemoreceptor protein-like sensory protein, uses a novel signaling mechanism to regulate exopolysaccharide production in Myxococcus xanthus.

abstract：:Chloroflexus, a newly described genus of filamentous, photosynthetic, gliding bacteria, oxidizes sulfide anaerobically under photoautotrophic or photoheterotrophic growh conditions and deposits elemental sulfur outside the cell. The formation of sulfur granules outside the cell supports the idea that this organism is ...

journal_title：Journal of bacteriology

authors： Madigan MT,Brock TD

更新日期：1975-05-01 00:00:00

abstract：:The gene specifying a membrane-bound nucleoside diphosphate sugar hydrolase of Salmonella typhimurium was mapped near the metA locus by using intergeneric crosses between this bacterium and Escherichia coli. ...

journal_title：Journal of bacteriology

authors： Minton N,Gunn J,Beacham IR

更新日期：1979-03-01 00:00:00

abstract：:A transformable strain of Bacillus subtilis 6160, a derivative of B. subtilis 168, produces three kinds of casein hydrolytic enzymes (alkaline protease, neutral protease, and esterase) in a culture medium. B. natto IAM 1212 produces 15 to 20 times as much total proteolytic activity as does B. subtilis. Extracellular p...

journal_title：Journal of bacteriology

authors： Uehara H,Yoneda Y,Yamane K,Maruo B

更新日期：1974-07-01 00:00:00

abstract：:Mycoplasma pneumoniae exhibits a novel form of gliding motility that is mediated by the terminal organelle, a differentiated polar structure. Given that genes known to be involved in gliding in other organisms are absent in M. pneumoniae, random transposon mutagenesis was employed to generate mutants with gliding-defi...

journal_title：Journal of bacteriology

authors： Page CA,Krause DC

更新日期：2013-04-01 00:00:00

abstract：:A novel genetic scheme allowed us to isolate extragenic suppressor mutations that restored mutant OmpF assembly. One group of these mutations, termed asmB for assembly suppressor mutation B, permitted mutant OmpF assembly in a non-allele-specific manner. Genetic mapping analyses placed the asmB mutations at the 2-min ...

journal_title：Journal of bacteriology

authors： Kloser AW,Laird MW,Misra R

更新日期：1996-09-01 00:00:00

abstract：:Manganese is accumulated in Bacillus subtilis by a highly specific active transport system. This trace element "pump" is insensitive to added magnesium or calcium and preferentially accumulates manganese in the presence of cobalt, iron, and copper. Manganese uptake in B. subtilis is inhibited by cyanide, azide, pentac...

journal_title：Journal of bacteriology

authors： Eisenstadt E,Fisher S,Der CL,Silver S

更新日期：1973-03-01 00:00:00

abstract：:Kinsky, Stephen C. (Washington University, St. Louis, Mo.). Induction and repression of nitrate reductase in Neurospora crassa. J. Bacteriol. 82:898-904. 1961.-Techniques are described for studying induced enzyme formation in Neurospora crassa. The effects of various parameters (time, pH, nitrate concentration, etc.) ...

journal_title：Journal of bacteriology

authors： KINSKY SC

更新日期：1961-12-01 00:00:00

abstract：:The pH dependence of transport of the neutral amino acids L-serine and L-alanine by membrane vesicles of Streptococcus cremoris have been studied in detail. The rates of four modes of facilitated diffusion (e.g., influx, efflux, exchange, and counterflow) of L-serine and L-alanine increase with increasing H+ concentra...

journal_title：Journal of bacteriology

authors： Driessen AJ,Kodde J,de Jong S,Konings WN

更新日期：1987-06-01 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：:ShdA is a large outer membrane protein of the autotransporter family whose passenger domain binds the extracellular matrix proteins fibronectin and collagen I, possibly by mimicking the host ligand heparin. The ShdA passenger domain consists of approximately 1,500 amino acid residues that can be divided into two regio...

journal_title：Journal of bacteriology

authors： Kingsley RA,Abi Ghanem D,Puebla-Osorio N,Keestra AM,Berghman L,Bäumler AJ

更新日期：2004-08-01 00:00:00

abstract：:Klebsiella strain RE1544 contains two lac operons, one on the chromosome and one on a lac plasmid. A mutant of RE1544, in which the lacZ genes of both operons produce no active enzyme, was found to synthesize a beta-galactosidase that hydrolyzes ortho-nitrophenyl-beta-D-galactopyranoside but not lactose. Synthesis of ...

journal_title：Journal of bacteriology

authors： Hall BG,Reeve EC

更新日期：1977-10-01 00:00:00

abstract：:HlyD, a member of the membrane fusion protein family, is essential for the secretion of the RTX hemolytic toxin HlyA from Escherichia coli. Random point mutations affecting HlyA secretion were obtained, distributed in most periplasmic regions of the HlyD molecule. Analysis of the secretion phenotypes of different muta...

journal_title：Journal of bacteriology

authors： Pimenta AL,Racher K,Jamieson L,Blight MA,Holland IB

更新日期：2005-11-01 00:00:00

abstract：:Two-dimensional gel analyses were made of proteins synthesized in Escherichia coli during various O2- -generating conditions. Nine proteins were constitutively synthesized over wild-type levels in superoxide dismutase (sodA sodB) double mutants. Addition of redox cycling agents such as paraquat and plumbagin at variou...

journal_title：Journal of bacteriology

authors： Walkup LK,Kogoma T

更新日期：1989-03-01 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：:Microcin J25 (MccJ25) is a small peptide antibiotic produced by an Escherichia coli strain isolated from human feces. The genetic determinants for MccJ25 synthesis and immunity have been cloned from the low-copy-number wild-type plasmid pTUC1OO into the compatible vectors pBR322 and pACYC184. Physical and phenotypical...

journal_title：Journal of bacteriology

authors： Solbiati JO,Ciaccio M,Farías RN,Salomón RA

更新日期：1996-06-01 00:00:00

abstract：:Smith, Paul F. (University of Pennsylvania, Philadelphia) and George H. Rothblat. Comparison of pleuropneumonia-like and L-type organisms. J. Bacteriol. 83:500-506. 1962.-The content of total lipid and nonsaponifiable lipid depended upon the type of organism; the greatest amounts were found in pleuropneumonia-like org...

journal_title：Journal of bacteriology

authors： SMITH PF,ROTHBLAT GH

更新日期：1962-03-01 00:00:00

abstract：:Motility of bacteria like Salmonella enterica is a highly regulated process that responds to a variety of internal and external stimuli. A hierarchy of three promoter classes characterizes the Salmonella flagellar system, and the onset of flagellar gene expression depends on the oligomeric regulatory complex and class...

journal_title：Journal of bacteriology

authors： Singer HM,Erhardt M,Hughes KT

更新日期：2013-09-01 00:00:00

abstract：:The effect of plasmid CAM-OCT on responses to UV irradiation was compared in Pseudomonas aeruginosa, in Pseudomonas putida, and in Pseudomonas putida mutants carrying mutations in UV response genes. CAM-OCT substantially increased both survival and mutagenesis in the two species. P. aeruginosa strains without CAM-OCT ...

journal_title：Journal of bacteriology

authors： McBeth DL

更新日期：1989-02-01 00:00:00

abstract：:A major phenotypic trait of the Mycobacterium avium complex is the ability to produce rough and smooth colony variants. The chemical basis of this morphological variation is the loss of an antigenic surface structure, termed glycopeptidolipid (GPL), by rough variants. Using M. avium serovar 2 strain 2151 as a model sy...

journal_title：Journal of bacteriology

authors： Eckstein TM,Inamine JM,Lambert ML,Belisle JT

更新日期：2000-11-01 00:00:00

abstract：:Burkholderia thailandensis is a soil saprophyte that is closely related to the pathogen Burkholderia pseudomallei, the etiological agent of melioidosis in humans. The environmental niches and infection sites occupied by these bacteria are thought to contain only limited concentrations of oxygen, where they can generat...

journal_title：Journal of bacteriology

authors： Vitale A,Paszti S,Takahashi K,Toyofuku M,Pessi G,Eberl L

更新日期：2020-11-04 00:00:00

abstract：:We show that hisT function is required for normal growth of Escherichia coli K-12, since a lack of hisT-mediated pseudouridine tRNA modification causes a uracil requirement that interferes with cell division. We also show that hisT transcription is positively growth rate regulated in exponentially growing bacteria and...

journal_title：Journal of bacteriology

authors： Tsui HC,Arps PJ,Connolly DM,Winkler ME

更新日期：1991-11-01 00:00:00

abstract：:To isolate strains with new recA mutations that differentially affect RecA protein functions, we mutagenized in vitro the recA gene carried by plasmid mini-F and then introduced the mini-F-recA plasmid into a delta recA host that was lysogenic for prophage phi 80 and carried a lac duplication. By scoring prophage indu...

journal_title：Journal of bacteriology

authors： Dutreix M,Moreau PL,Bailone A,Galibert F,Battista JR,Walker GC,Devoret R

更新日期：1989-05-01 00:00:00

abstract：:Escherichia coli has a formate hydrogenlyase system which allows it to maintain an electron balance during anaerobic growth by passing electrons from formate to H+ ions, thus generating H2. The Mu d1(Ap lac) bacteriophage was used to generate mutants that were defective in passing electrons from formate to benzyl viol...

journal_title：Journal of bacteriology

authors： Yerkes JH,Casson LP,Honkanen AK,Walker GC

更新日期：1984-04-01 00:00:00

abstract：:A number of gram-negative bacteria have a quorum-sensing system and produce N-acyl-l-homoserine lactone (AHL) that they use them as a quorum-sensing signal molecule. Pantoea ananatis is reported as a common colonist of wheat heads at ripening and causes center rot of onion. In this study, we demonstrated that P. anana...

journal_title：Journal of bacteriology

authors： Morohoshi T,Nakamura Y,Yamazaki G,Ishida A,Kato N,Ikeda T

更新日期：2007-11-01 00:00:00

abstract：:The hook-basal body (HBB) is a key intermediate structure in the flagellar assembly pathway in Salmonella typhimurium. The FlgM protein inhibits the flagellum-specific transcription factor sigma28 in the absence of the intact HBB structure and is secreted out of the cell following HBB completion. The flk gene encodes ...

journal_title：Journal of bacteriology

authors： Karlinsey JE,Tsui HC,Winkler ME,Hughes KT

更新日期：1998-10-01 00:00:00

abstract：:The overlapping fdhA and fdhB genes of Methanobacterium formicicum, which encode the alpha and beta subunits, respectively, of formate dehydrogenase, were cotranscribed as part of an approximately 4.5-kb transcript. An additional gene (fdhC) upstream of fdhA was cotranscribed with fdhA and fdhB. The deduced amino acid...

journal_title：Journal of bacteriology

authors： White WB,Ferry JG

更新日期：1992-08-01 00:00:00

abstract：:Cnm is a surface-associated protein present in a subset of Streptococcus mutans strains that mediates binding to extracellular matrices, intracellular invasion, and virulence. Here, we showed that cnm transcription is controlled by the global regulators CovR and VicRKX. In silico analysis identified multiple putative ...

journal_title：Journal of bacteriology

authors： Araújo Alves L,Ganguly T,Mattos-Graner RO,Kajfasz J,Harth-Chu EN,Lemos JA,Abranches J

更新日期：2018-11-06 00:00:00

abstract：:The Bacillus subtilis anti-TRAP protein regulates the ability of the tryptophan-activated TRAP protein to bind to trp operon leader RNA and promote transcription termination. AT synthesis is regulated both transcriptionally and translationally by uncharged tRNA(Trp). In this study, we examined the roles of AT synthesi...

journal_title：Journal of bacteriology

authors： Cruz-Vera LR,Gong M,Yanofsky C

更新日期：2008-03-01 00:00:00

abstract：:The opportunistic pathogen Pseudomonas aeruginosa utilizes a type III secretion system (T3SS) to evade phagocytosis and damage eukaryotic cells. Transcription of the T3SS regulon is controlled by ExsA, a member of the AraC/XylS family of transcriptional regulators. These family members generally consist of an approxim...

journal_title：Journal of bacteriology

authors： Brutinel ED,Vakulskas CA,Yahr TL

更新日期：2009-06-01 00:00:00

abstract：:When titanium(III) citrate was used as electron donor for the reduction of methyl coenzyme M by the methyl coenzyme M methylreductase system of Methanobacterium thermoautotrophicum delta H, component A1 was no longer required. The simpler system thus obtained required components A2, A3, and C as well as catalytic amou...

journal_title：Journal of bacteriology

authors： Rouvière PE,Bobik TA,Wolfe RS

更新日期：1988-09-01 00:00:00