Electrical nature of the taxis signal in cyanobacteria.

abstract：:Fimbriae recognizing sialyl galactosides (S fimbriae) were purified from an Escherichia coli strain. The S fimbriae were morphologically identical to type 1 and P fimbriae of E. coli and showed a hemagglutination that was abolished when erythrocytes were treated with neuraminidase. Hemagglutination by the purified fim...

journal_title：Journal of bacteriology

authors： Korhonen TK,Väisänen-Rhen V,Rhen M,Pere A,Parkkinen J,Finne J

更新日期：1984-08-01 00:00:00

abstract：:Diploid cells of Saccharomyces cerevisiae underwent meiosis and sporulation when placed in 1% potassium acetate sporulation medium. In unbuffered sporulation medium the pH rose very rapidly, reaching pH 8.4 after 2 h of sporulation. Under these conditions, the uptake of radioactive adenine and lysine was extremely lim...

journal_title：Journal of bacteriology

authors： McCusker JH,Haber JE

更新日期：1977-10-01 00:00:00

abstract：:The genes encoding the two isoenzymes of methyl coenzyme M reductase (MRI and MRII) in Methanobacterium thermoautotrophicum delta H have been cloned and sequenced. The MRI-encoding mcr operon (mcrBDCGA) has been located immediately upstream from the mtr operon (mtrEDCBA) that encodes N5-methyltetrahydromethanopterin:c...

journal_title：Journal of bacteriology

authors： Pihl TD,Sharma S,Reeve JN

更新日期：1994-10-01 00:00:00

abstract：:A 6.2-kb region of DNA corresponding to complementation groups II and III of the Erwinia amylovora hrp gene cluster was analyzed. Transposon mutagenesis indicated that the two complementation groups are required for secretion of harpin, an elicitor of the hypersensitive reaction. The sequence of the region revealed 10...

journal_title：Journal of bacteriology

authors： Kim JF,Wei ZM,Beer SV

更新日期：1997-03-01 00:00:00

abstract：:We cloned the cryptic phn operon of a K-12 strain, phn(EcoK), and analyzed the nucleotide sequence of the phn region (11,672 bp). An mRNA start site upstream of the phnC gene was identified by S1 nuclease mapping. The pho regulon activator PhoB protects a pho box region near the mRNA start in DNase I footprinting and ...

journal_title：Journal of bacteriology

authors： Makino K,Kim SK,Shinagawa H,Amemura M,Nakata A

更新日期：1991-04-01 00:00:00

abstract：:During the transition from a free-swimming, single-cell lifestyle to a sessile, multicellular state called a biofilm, bacteria produce and secrete an extracellular matrix comprised of nucleic acids, exopolysaccharides, and adhesion proteins. The Vibrio cholerae biofilm matrix contains three major protein components, R...

journal_title：Journal of bacteriology

authors： Giglio KM,Fong JC,Yildiz FH,Sondermann H

更新日期：2013-07-01 00:00:00

abstract：:Divercin V41, a class IIa bacteriocin with strong antilisterial activity, is produced by Carnobacterium divergens V41. To express a recombinant version of divercin V41, we constructed a synthetic gene that encodes the mature divercin V41 peptide and then overexpressed the gene in pET-32b by using the T7 RNA polymerase...

journal_title：Journal of bacteriology

authors： Richard C,Drider D,Elmorjani K,Marion D,Prévost H

更新日期：2004-07-01 00:00:00

abstract：:The genome sequences of several pseudomonads have revealed a gene cluster containing genes for a two-component heavy metal histidine sensor kinase and response regulator upstream of cinA and cinQ, which we show herein to encode a copper-containing azurin-like protein and a pre-Q(0) reductase, respectively. In the pres...

journal_title：Journal of bacteriology

authors： Quaranta D,McCarty R,Bandarian V,Rensing C

更新日期：2007-07-01 00:00:00

abstract：:During growth of the halophilic archaeon Haloarcula marismortui on D-xylose, a specific D-xylose dehydrogenase was induced. The enzyme was purified to homogeneity. It constitutes a homotetramer of about 175 kDa and catalyzed the oxidation of xylose with both NADP+ and NAD+ as cosubstrates with 10-fold higher affinity ...

journal_title：Journal of bacteriology

authors： Johnsen U,Schönheit P

更新日期：2004-09-01 00:00:00

abstract：:Neisseria gonorrhoeae is prone to undergo autolysis under many conditions not conducive to growth. The role of autolysis during gonococcal infection is not known, but possible advantages for the bacterial population include provision of nutrients to a starving population, modulation of the host immune response by rele...

journal_title：Journal of bacteriology

authors： Garcia DL,Dillard JP

更新日期：2006-10-01 00:00:00

abstract：:In gram-negative bacteria, numerous cell functions, including respiration-linked electron transport, have been ascribed to the cytoplasmic membrane. Gram-negative bacteria which use solid substrates (e.g., oxidized manganese or iron) as terminal electron acceptors for anaerobic respiration are presented with a unique ...

journal_title：Journal of bacteriology

authors： Myers CR,Myers JM

更新日期：1992-06-01 00:00:00

abstract：:Six mycoplasma strains, isolated under anaerobic conditions from the human oropharynx, were studied by biologic and serologic means. The strains produced nippled colonies with weak hemolytic activity for guinea pig erythrocytes on agar medium. In addition, the strains metabolized arginine with a concomitant alkaline s...

journal_title：Journal of bacteriology

authors： Fox H,Purcell RH,Chanock RM

更新日期：1969-04-01 00:00:00

abstract：:We describe the derivation of two strains of Salmonella typhimurium LT2 which are r- m+ for all three of the known chromosomal genes for the restriction and modification of DNA, hsdLT, hsdSA, and hsdSB; the strains were designated LB5000 and LB5010. LB5000 is a smooth derivative sensitive to phage P22; LB5010 is a gal...

journal_title：Journal of bacteriology

authors： Bullas LR,Ryu JI

更新日期：1983-10-01 00:00:00

abstract：:PhoB is the response regulator of the Pho regulon. It is composed of two distinct domains, an N-terminal receiver domain and a C-terminal output domain that binds DNA and interacts with sigma(70) to activate transcription of the Pho regulon. Phosphorylation of the receiver domain is required for activation of the prot...

journal_title：Journal of bacteriology

authors： Ellison DW,McCleary WR

更新日期：2000-12-01 00:00:00

abstract：:Most strains of Pseudomonas aeruginosa can express two chemically and immunologically distinct types of lipopolysaccharide (LPS), an antigenically conserved form called A band and the serotype-specific form called B band. To study the molecular controls regulating expression of the A-band LPS antigen, we have cloned t...

journal_title：Journal of bacteriology

authors： Lightfoot J,Lam JS

更新日期：1991-09-01 00:00:00

abstract：:Sato, Ichiei (School of Medicine, Gunma University, Maebashi, Japan), Tokumitsu Tanaka, Kazuko Saito, and Susumu Mitsuhashi. Inhibition of Salmonella enteritidis ingested in mononuclear phagocytes from liver and subcutaneous tissue of mice immunized with live vaccine. J. Bacteriol. 83:1306-1312. 1962.-In our earlier s...

journal_title：Journal of bacteriology

authors： SATO I,TANAKA T,SAITO K,MITSUHASHI S

更新日期：1962-06-01 00:00:00

abstract：:The virulence of Pseudomonas aeruginosa and other surface pathogens involves the coordinate expression of a wide range of virulence determinants, including type IV pili. These surface filaments are important for the colonization of host epithelial tissues and mediate bacterial attachment to, and translocation across, ...

journal_title：Journal of bacteriology

authors： Leech AJ,Mattick JS

更新日期：2006-12-01 00:00:00

abstract：:A procedure is described that uses an indicator plasmid (pSC201) to identify cells in a bacterial population that have been co-transformed with a second plasmid lacking detectable phenotypic properties. Under appropriate conditions of indirect selection, between 50 and 85% of transformants carrying the indicator plasm...

journal_title：Journal of bacteriology

authors： Kretschmer FJ,Chang AC,Cohen SN

更新日期：1975-10-01 00:00:00

abstract：:The replication of the bacteriocinogenic plasmid Clo DF13 has been studied in the seven temperature-sensitive Escherichia coli mutants defective in deoxyribonucleic acid (DNA) replication (dnaA-dnaG). Experiments with dna initiation mutants revealed that the replication of the Clo DF13 plasmid depends to a great exten...

journal_title：Journal of bacteriology

authors： Veltkamp E,Nijkamp HJ

更新日期：1974-12-01 00:00:00

abstract：:Clusters of cytoplasmic vesicles resembling those in growing hyphal apices of mycelial fungi are found near the tips of buds in three heterobasidiomycetous yeasts, Rhodotorula glutinis, Candida scottii, and Sporobolomyces salmonicolor. ...

journal_title：Journal of bacteriology

authors： McCully EK,Bracker CE

更新日期：1972-02-01 00:00:00

abstract：:The kinetic parameters of the release of Ca(2+)-dipicolinic acid (CaDPA) during germination of spore populations and multiple individual spores of Bacillus subtilis strains with major alterations in the structure of the spore peptidoglycan (PG) cortex or lacking one or both of the two redundant enzymes involved in cor...

journal_title：Journal of bacteriology

authors： Zhang P,Thomas S,Li YQ,Setlow P

更新日期：2012-02-01 00:00:00

abstract：:Acetyl coenzyme A synthetase (Acs) activates acetate to acetyl coenzyme A through an acetyladenylate intermediate; two other enzymes, acetate kinase (Ack) and phosphotransacetylase (Pta), activate acetate through an acetyl phosphate intermediate. We subcloned acs, the Escherichia coli open reading frame purported to e...

journal_title：Journal of bacteriology

authors： Kumari S,Tishel R,Eisenbach M,Wolfe AJ

更新日期：1995-05-01 00:00:00

abstract：:Analysis of the genome sequence of Enterococcus faecalis allowed the identification of two genes whose protein products showed 33 and 34% identity with those of sigV and yrhM of Bacillus subtilis, respectively. These genes, named sigV and rsiV, are predicted to encode members of the extracytoplasmic function subfamily...

journal_title：Journal of bacteriology

authors： Benachour A,Muller C,Dabrowski-Coton M,Le Breton Y,Giard JC,Rincé A,Auffray Y,Hartke A

更新日期：2005-02-01 00:00:00

abstract：:A class II restriction endonuclease which recognizes the same nucleotide sequence as EndoR.HaeIII has been found in four of seven isolates of Neisseria gonorrhoeae tested. ...

journal_title：Journal of bacteriology

authors： Clanton DJ,Woodward JM,Miller RV

更新日期：1978-07-01 00:00:00

abstract：:We used primer extension and mutational analysis to identify a promoter upstream of ilvB, the first gene in the ilv-leu operon of Bacillus subtilis. Between the promoter and ilvB, there is a 482-bp leader region which contains a sequence that resembles a factor-independent transcription terminator. In in vitro transcr...

journal_title：Journal of bacteriology

authors： Grandoni JA,Zahler SA,Calvo JM

更新日期：1992-05-01 00:00:00

abstract：:Pseudomonas aeruginosa type IV pili (T4P) are virulence factors that promote infection of cystic fibrosis and immunosuppressed patients. As the absence of T4P impairs colonization, they are attractive targets for the development of novel therapeutics. Genes in the pilMNOPQ operon are important for both T4P assembly an...

journal_title：Journal of bacteriology

authors： Tammam S,Sampaleanu LM,Koo J,Manoharan K,Daubaras M,Burrows LL,Howell PL

更新日期：2013-05-01 00:00:00

abstract：:Streptomyces venezuelae ATCC 10595 harbors seven rRNA gene clusters which can be distinguished by BglII digestion. The three rRNA genes present in each set are closely linked with the general structure 16S-23S-5S. We cloned rrnA and sequenced the 16S-23S spacer region and the region downstream of the 5S rRNA gene. No ...

journal_title：Journal of bacteriology

authors： La Farina M,Stira S,Mancuso R,Grisanti C

更新日期：1996-03-01 00:00:00

abstract：:A second cluster of genes encoding the E1 alpha, E1 beta, and E2 subunits of branched-chain alpha-keto acid dehydrogenase (BCDH), bkdFGH, has been cloned and characterized from Streptomyces avermitilis, the soil microorganism which produces anthelmintic avermectins. Open reading frame 1 (ORF1) (bkdF, encoding E1 alpha...

journal_title：Journal of bacteriology

authors： Denoya CD,Fedechko RW,Hafner EW,McArthur HA,Morgenstern MR,Skinner DD,Stutzman-Engwall K,Wax RG,Wernau WC

更新日期：1995-06-01 00:00:00

abstract：:The molecular mechanisms of regulation of the genes involved in the biosynthesis of cysteine are poorly characterized in Bacillus subtilis and other gram-positive bacteria. In this study we describe the expression pattern of the B. subtilis cysH operon in response to sulfur starvation. A 6.1-kb polycistronic transcrip...

journal_title：Journal of bacteriology

authors： Mansilla MC,Albanesi D,de Mendoza D

更新日期：2000-10-01 00:00:00

abstract：:The membrane effects of chlorpromazine, nupercain, tetracain, and procain were studied using Bacillus cereus, B. megaterium, B. subtilis, and Streptococcus faecalis, protoplasts from S. faecalis, and isolated membranes from B. subtilis. Chlorpromazin, nupercain, and tetracain produced characteristic micromorphological...

journal_title：Journal of bacteriology

authors： Silva MT,Sousa JC,Polónia JJ,Macedo PM

更新日期：1979-01-01 00:00:00