A cryptic miniplasmid from the hyperthermophilic bacterium Thermotoga sp. strain RQ7.

abstract：:We have examined the uptake of [14C]octopine and [14C]nopaline by Agrobacterium tumefaciens strains containing the C58 chromosomal background in medium suitable for the induction of vir genes. All strains tested could transport both of these opines, regardless of the presence or type of Ti plasmid (octopine or nopalin...

journal_title：Journal of bacteriology

authors： Krishnan M,Burgner JW,Chilton WS,Gelvin SB

更新日期：1991-01-01 00:00:00

abstract：:It has been clear for over sixty years that the principal method whereby cells replicate and segregate their DNA is semiconservative. It is much less clear why it should be like this rather than, say, conservative. Recently, evidence has accumulated that supports the hypothesis that one of the functions of the cell cy...

journal_title：Journal of bacteriology

authors： Norris V

更新日期：2019-05-22 00:00:00

abstract：:For the transformation of the yeast species Kluyveromyces fragilis, we have constructed a vector containing a bacterial kanamycin resistance (Kmr) gene, the TRP1 gene of Saccharomyces cerevisiae, and an autonomously replicating sequence of Kluyveromyces lactis called KARS2 . By utilizing the method based on treatment ...

journal_title：Journal of bacteriology

authors： Das S,Kellermann E,Hollenberg CP

更新日期：1984-06-01 00:00:00

abstract：:The nucleotide sequence of the DNA encoding the ADP-ribosyltransferase (A1) fragment of cholera enterotoxin was determined. A putative precursor of the A1 peptide contains an 18-amino acid leader peptide, and the mature A1 peptide contains 194 amino acids. The primary structure of the A1 fragment from cholera enteroto...

journal_title：Journal of bacteriology

authors： Lockman HA,Galen JE,Kaper JB

更新日期：1984-09-01 00:00:00

abstract：:Gas vesicles, isolated from lysed Halobacterium halobium cells, gave an amino acid analysis which accounted for 78% of the weight, and the balance was mainly salt and water. One percent of tightly bound d-galactose was found, as well as 2% of phosphate that was not released by treatment which promotes beta-elimination...

journal_title：Journal of bacteriology

authors： Krantz MJ,Ballou CE

更新日期：1973-06-01 00:00:00

abstract：:In many bacteria, the ferric uptake regulator (Fur) protein plays a central role in the regulation of iron uptake genes. Because iron figures prominently in the agriculturally important symbiosis between soybean and its nitrogen-fixing endosymbiont Bradyrhizobium japonicum, we wanted to assess the role of Fur in the i...

journal_title：Journal of bacteriology

authors： Benson HP,LeVier K,Guerinot ML

更新日期：2004-03-01 00:00:00

abstract：:The crtEF, bchCA, and puf operons of the facultative phototrophic bacterium Rhodobacter capsulatus encode gene products that are necessary for the formation of various components of the photosynthetic apparatus. The crtEF operon encodes two enzymes involved in the biosynthesis of carotenoids, the bchCA operon codes fo...

journal_title：Journal of bacteriology

authors： Wellington CL,Beatty JT

更新日期：1991-02-01 00:00:00

abstract：:Proteus swarming is the rapid cyclical population migration across surfaces by elongated cells that hyperexpress flagellar and virulence genes. The mini-Tn5 transposon mutant mns2 was isolated as a tight nonswarming mutant that did not elongate or upregulate flagellar and hemolysin genes. Individual cell motility was ...

journal_title：Journal of bacteriology

authors： Hay NA,Tipper DJ,Gygi D,Hughes C

更新日期：1997-08-01 00:00:00

abstract：:Phosphoenolpyruvate-dependent phosphorylation of methyl-alpha-d-glucopyranoside in Salmonella typhimurium is increased by the membrane active polypeptide antibiotic polymyxin B whereas active transport ability is abolished. ...

journal_title：Journal of bacteriology

authors： Teuber M

更新日期：1969-12-01 00:00:00

abstract：:Here we present the genome sequence of Rhizobium grahamii CCGE502. R. grahamii groups with other newly described broad-host-range species, which are not very efficient Phaseolus vulgaris symbionts, with a wide geographic distribution and which constitutes a novel Rhizobium clade. ...

journal_title：Journal of bacteriology

authors： Althabegoiti MJ,Lozano L,Torres-Tejerizo G,Ormeño-Orrillo E,Rogel MA,González V,Martínez-Romero E

更新日期：2012-12-01 00:00:00

abstract：:An m(k) (-)r(k) (-) mutation exerted no measurable effect on 5-bromouracil incorporation by a thymineless derivative of Escherichia coli K. ...

journal_title：Journal of bacteriology

authors： Matney TS,MacDougall NL,Butler MA,Suit JC

更新日期：1970-10-01 00:00:00

abstract：:Silicibacter sp. strain TM1040, a member of the Roseobacter clade, forms a symbiosis with unicellular phytoplankton, which is inextricably linked to the biphasic "swim or stick" lifestyle of the bacteria. Mutations in flaC bias the population toward the motile phase. Renewed examination of the FlaC(-) strain (HG1016) ...

journal_title：Journal of bacteriology

authors： Sule P,Belas R

更新日期：2013-02-01 00:00:00

abstract：:The lic3 locus of Haemophilus influenzae consists of four open reading frames. The derived amino acid sequences of orf2 and orf4 exhibit homology to Escherichia coli GalE and AdK, respectively. The functions of orf1 and orf3 remain unknown. orf1 contains multiple tandem repeats of the tetrameric DNA sequence CAAT near...

journal_title：Journal of bacteriology

authors： Szabo M,Maskell D,Butler P,Love J,Moxon R

更新日期：1992-11-01 00:00:00

abstract：:DNA microarrays encompassing the entire genome of Yersinia pestis were used to characterize global regulatory changes during steady-state vegetative growth occurring after shift from 26 to 37 degrees C in the presence and absence of Ca2+. Transcriptional profiles revealed that 51, 4, and 13 respective genes and open r...

journal_title：Journal of bacteriology

authors： Motin VL,Georgescu AM,Fitch JP,Gu PP,Nelson DO,Mabery SL,Garnham JB,Sokhansanj BA,Ott LL,Coleman MA,Elliott JM,Kegelmeyer LM,Wyrobek AJ,Slezak TR,Brubaker RR,Garcia E

更新日期：2004-09-01 00:00:00

abstract：:Two proteins that bind penicillin were observed in Escherichia coli infected with lambda phages 141, 142, 650, and 651 from the Kohara genomic library. These phages carry chromosomal DNA fragments that do not contain any known penicillin binding protein (PBP) genes, indicating that unrecognized gene products were exhi...

journal_title：Journal of bacteriology

authors： Henderson TA,Young KD,Denome SA,Elf PK

更新日期：1997-10-01 00:00:00

abstract：:The peptidoglycan cell wall determines the shape and structural integrity of a bacterial cell. Class B penicillin-binding proteins (PBPs) carry a transpeptidase activity that cross-links peptidoglycan strands via their peptide side chains, and some of these proteins are directly involved in cell shape determination. N...

journal_title：Journal of bacteriology

authors： Wei Y,Havasy T,McPherson DC,Popham DL

更新日期：2003-08-01 00:00:00

abstract：:In streptococcal species, the key step of competence development is the transcriptional induction of comX, which encodes the alternative sigma factor sigma(X), which positively regulates genes necessary for DNA transformation. In Streptococcus species belonging to the mitis and mutans groups, induction of comX relies ...

journal_title：Journal of bacteriology

authors： Fontaine L,Boutry C,de Frahan MH,Delplace B,Fremaux C,Horvath P,Boyaval P,Hols P

更新日期：2010-03-01 00:00:00

abstract：:The promoter region of the pColV-K30-encoded operon specifying biosynthesis and transport of the siderophore aerobactin was subjected to deletion analysis to determine the smallest DNA sequence affording iron regulation of a iucA'-'lacZ gene fusion. A 78-base-pair (bp) region containing the main (P1) promoter retained...

journal_title：Journal of bacteriology

authors： de Lorenzo V,Wee S,Herrero M,Neilands JB

更新日期：1987-06-01 00:00:00

abstract：:The interruption of the sblA gene of Streptomyces lividans was previously shown to lead to relief of glucose repression of the normally strongly glucose-repressed alpha-amylase gene. In addition to this relief, an early entry into stationary phase was observed when cells were grown in a minimal medium containing gluco...

journal_title：Journal of bacteriology

authors： Chouayekh H,Nothaft H,Delaunay S,Linder M,Payrastre B,Seghezzi N,Titgemeyer F,Virolle MJ

更新日期：2007-02-01 00:00:00

abstract：:The synthesis of cytosine deaminase in Salmonella typhimurium is repressed by pyrimidines. This repression is mediated by both a uridine and a cytidine compound, indicating a distinct difference in the regulation of synthesis of cytosine deaminase from the regulation of the de novo pyrimidine pathway enzymes. A salvag...

journal_title：Journal of bacteriology

authors： West TP,O'Donovan GA

更新日期：1982-03-01 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：:The major conjugative transfer gene cluster of staphylococcal plasmid pGO1 (trs) consists of 13 open reading frames (trsA to trsM) transcribed from one DNA strand and a single 189-bp open reading frame (trsN) within the first 348 bp of trs that is transcribed divergently. Promoter regions for trsN and trsA partially o...

journal_title：Journal of bacteriology

authors： Sharma VK,Johnston JL,Morton TM,Archer GL

更新日期：1994-06-01 00:00:00

abstract：:The mutant sigA allele of Bacillus subtilis DB1005 was confirmed to be temperature sensitive (ts) and transferable among strains of B. subtilis by chromosomal transformation and gene conversion. This ts sigA allele had a pleiotropic effect on gene expression of DB1005. The induction of certain heat shock proteins in D...

journal_title：Journal of bacteriology

authors： Chang BY,Chen KY,Wen YD,Liao CT

更新日期：1994-06-01 00:00:00

abstract：:A systematic survey for the presence of plasmids in 17 different xenobiotic-degrading Sphingomonas strains was performed. In almost all analyzed strains, two to five plasmids with sizes of about 50 to 500 kb were detected by using pulsed-field gel electrophoresis. A comparison of plasmid preparations untreated or trea...

journal_title：Journal of bacteriology

authors： Basta T,Keck A,Klein J,Stolz A

更新日期：2004-06-01 00:00:00

abstract：:The HPB12 protein from the nucleoid of Bacillus subtilis was previously described, and its DNA binding properties have been reported previously (V. Salti, F. Le Hégarat, and L. Hirschbein, Biochim. Biophys. Acta 1009:161-167, 1989). The DNA-HPB12 complexes were examined by electron microscopy. They appeared as short, ...

journal_title：Journal of bacteriology

authors： Arnold-Schulz-Gahmen B,Salti-Montesanto V,Nguyen J,Hirschbein L,Le Hégarat F

更新日期：1994-01-01 00:00:00

abstract：:The multicellular developmental cycle of Myxococcus xanthus requires large-scale changes in gene transcription, and recent findings indicate that NtrC-like activators play a prominent role in regulating these changes. In this study, we made insertions in 28 uncharacterized ntrC-like activator (nla) genes and found tha...

journal_title：Journal of bacteriology

authors： Caberoy NB,Welch RD,Jakobsen JS,Slater SC,Garza AG

更新日期：2003-10-01 00:00:00

abstract：:The antibiotic d-cycloserine is an effective inhibitor of alanine racemase. The lack of inhibition by l-cycloserine of alanine racemase from Staphylococcus aureus led Roze and Strominger to formulate the cycloserine hypothesis. This hypothesis states that d-cycloserine has the conformation required of the substrates o...

journal_title：Journal of bacteriology

authors： Lambert MP,Neuhaus FC

更新日期：1972-06-01 00:00:00

abstract：:Integrative and conjugative elements (ICEs), also called conjugative transposons, are genomic islands that excise, self-transfer by conjugation, and integrate in the genome of the recipient bacterium. The current investigation shows the intraspecies conjugative transfer of the first described ICEs in Streptococcus the...

journal_title：Journal of bacteriology

authors： Bellanger X,Roberts AP,Morel C,Choulet F,Pavlovic G,Mullany P,Decaris B,Guédon G

更新日期：2009-04-01 00:00:00

abstract：:The spoVM gene encodes a 26-amino-acid polypeptide that is essential for spore formation in Bacillus subtilis. A transposon insertion within the spoVM open reading frame has been shown to encode a chimeric protein which is biologically inactive and produces a phenotype identical to that of a deletion and insertion mut...

journal_title：Journal of bacteriology

authors： Cutting S,Anderson M,Lysenko E,Page A,Tomoyasu T,Tatematsu K,Tatsuta T,Kroos L,Ogura T

更新日期：1997-09-01 00:00:00

abstract：:Natural and immune human antibodies reactive with heat-labile and heat-stable antigens of virulent Neisseria gonorrhoeae were studied by use of an indirect fluorescent-antibody (IFA) procedure. The immunoglobulin class of the reactive antibodies was identified by using fluorescein-conjugated antisera specific for huma...

journal_title：Journal of bacteriology

authors： Cohen IR

更新日期：1967-07-01 00:00:00