Spontaneous deletion of citrate-utilizing ability promoted by insertion sequences.

abstract：:SigF is an alternative sigma factor that is highly conserved among species of the genus Mycobacterium. In this study we identified the SigF regulon in Mycobacterium smegmatis using whole-genome microarray and promoter consensus analyses. In total, 64 genes in exponential phase and 124 genes in stationary phase are Sig...

journal_title：Journal of bacteriology

authors： Hümpel A,Gebhard S,Cook GM,Berney M

更新日期：2010-05-01 00:00:00

abstract：:Glucose uptake by the heterofermentative lactic acid bacterium Oenococcus oeni B1 was studied at the physiological and gene expression levels. Glucose- or fructose-grown bacteria catalyzed uptake of [(14)C]glucose over a pH range from pH 4 to 9, with maxima at pHs 5.5 and 7. Uptake occurred in two-step kinetics in a h...

journal_title：Journal of bacteriology

authors： Kim OB,Richter H,Zaunmüller T,Graf S,Unden G

更新日期：2011-12-01 00:00:00

abstract：:Gasdorf, Helen J. (Northern Regional Research Laboratory, Peoria, Ill.), R. G. Benedict, M. C. Cadmus, R. F. Anderson, and R. W. Jackson. Polymer-producing species of Arthrobacter. J. Bacteriol. 90:147-150.1965.-Two slime-producing microorganisms, designated as NRRL B-1973 and NRRL B-1797, were isolated from a Guatema...

journal_title：Journal of bacteriology

authors： Gasdorf HJ,Benedict RG,Cadmus MC,Anderson RF,Jackson RW

更新日期：1965-07-01 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 diversity of regulatory systems encoded by bacteria provides an indication of the variety of stresses and interactions that these organisms encounter in nature. We have been investigating how the plant pathogen Pseudomonas syringae pv. tomato DC3000 responds to iron limitation and have focused on the iron starvati...

journal_title：Journal of bacteriology

authors： Markel E,Maciak C,Butcher BG,Myers CR,Stodghill P,Bao Z,Cartinhour S,Swingle B

更新日期：2011-10-01 00:00:00

abstract：:Some strains of Streptomyces produce sialidases. Two sialidases were purified over 1,000-fold from a culture filtrate of two Streptomyces species. They had the same properties in molecular weight, behavior to ions and other reagents, and substrate specificity. They showed very small differences in kinetic properties, ...

journal_title：Journal of bacteriology

authors： Kunimoto S,Aoyagi T,Takeuchi T,Umezawa H

更新日期：1974-08-01 00:00:00

abstract：:The growth of tubercle bacilli in serum samples of untreated animals depends upon the availability of ionic iron which serves as a growth factor in supporting bacillary multiplication. The amount of available iron in serum is determined by the ratio between iron-saturated and iron-free transferrin; a low value for the...

journal_title：Journal of bacteriology

authors： Kochan I,Golden CA,Bukovic JA

更新日期：1969-10-01 00:00:00

abstract：:The nucleotide sequence of a 3.4-kb EcoRI-PstI DNA fragment of Xanthomonas campestris pv. campestris revealed two open reading frames, which were designated xanA and xanB. The genes xanA and xanB encode proteins of 448 amino acids (molecular weight of 48,919) and 466 amino acids (molecular weight of 50,873), respectiv...

journal_title：Journal of bacteriology

authors： Köplin R,Arnold W,Hötte B,Simon R,Wang G,Pühler A

更新日期：1992-01-01 00:00:00

abstract：:A positive selection method for isolation of nitrogenase-derepressed mutant strains of a filamentous cyanobacterium, Anabaena variabilis, is described. Mutant strains that are resistant to a glutamate analog, L-methionine-D,L-sulfoximine, were screened for their ability to produce and excrete NH4+ into medium. Mutant ...

journal_title：Journal of bacteriology

authors： Spiller H,Latorre C,Hassan ME,Shanmugam KT

更新日期：1986-02-01 00:00:00

abstract：:Whole cells of Lactobacillus acidophilus are capable of degrading thymidine to thymine, suggesting the presence of thymidine phosphorylase (or thymidine hydrolase). This activity was also demonstrated in cell-free extracts. ...

journal_title：Journal of bacteriology

authors： Sawula RV,Zamenhof S,Zamenhof PJ

更新日期：1974-03-01 00:00:00

abstract：:The hpaB gene encoding an aromatic hydroxylase of Escherichia coli ATCC 11105, a penicillin G acylase-producing strain, has been cloned and expressed in E. coli K-12. This gene was located near the pacA gene coding for penicillin G acylase. The hydroxylase has a molecular mass of 59,000 Da, uses NADH as a cosubstrate,...

journal_title：Journal of bacteriology

authors： Prieto MA,Perez-Aranda A,Garcia JL

更新日期：1993-04-01 00:00:00

abstract：:The phage 21 holin, S(21), forms small membrane holes that depolarize the membrane and is designated as a pinholin, as opposed to large-hole-forming holins, like S(lambda). Pinholins require secreted SAR endolysins, a pairing that may represent an intermediate in the evolution of canonical holin-endolysin systems. ...

journal_title：Journal of bacteriology

authors： Park T,Struck DK,Dankenbring CA,Young R

更新日期：2007-12-01 00:00:00

abstract：:In contrast to canonical phage endolysins, which require holin-mediated disruption of the membrane to gain access to attack the cell wall, signal anchor release (SAR) endolysins are secreted by the host sec system, where they accumulate in an inactive form tethered to the membrane by their N-terminal SAR domains. SAR ...

journal_title：Journal of bacteriology

authors： Kuty GF,Xu M,Struck DK,Summer EJ,Young R

更新日期：2010-11-01 00:00:00

abstract：:Tn4551, a clindamycin resistance (Ccr) transposon from the R plasmid pBI136, was cloned onto an Escherichia coli-Bacteroides shuttle vector which could replicate normally in E. coli but was maintained unstably in Bacteroides fragilis. To aid in cloning and to ensure maintenance of Tn4551 in E. coli, a kanamycin resist...

journal_title：Journal of bacteriology

authors： Smith CJ,Spiegel H

更新日期：1987-08-01 00:00:00

abstract：:Bacteria possess multiple mechanisms to survive exposure to various chemical stresses and antimicrobial compounds. In the enteric bacterium Escherichia coli, three homologous transcription factors-MarA, SoxS, and Rob-play a central role in coordinating this response. Three separate systems are known to regulate the ex...

journal_title：Journal of bacteriology

authors： Chubiz LM,Glekas GD,Rao CV

更新日期：2012-09-01 00:00:00

abstract：:In order to predict the binding regions within the complex formed by Toll-like receptor 5 (TLR-5) and flagellin, a complementary hydropathy between the two proteins was sought. A region common to the flagellins of Salmonella enterica serovar Typhimurium, Pseudomonas aeruginosa, and Listeria monocytogenes was shown to ...

journal_title：Journal of bacteriology

authors： Jacchieri SG,Torquato R,Brentani RR

更新日期：2003-07-01 00:00:00

abstract：:Haemophilus influenzae is a common gram-negative pathogen that initiates infection by colonizing the upper respiratory tract epithelium. In previous work, we reported the isolation of a locus involved in expression of short, thin surface fibrils by H. influenzae type b and presented evidence that surface fibrils promo...

journal_title：Journal of bacteriology

authors： St Geme JW 3rd,Cutter D,Barenkamp SJ

更新日期：1996-11-01 00:00:00

abstract：:The gene encoding the major NAD(P)H-flavin oxidoreductase (flavin reductase) of the luminous bacterium Vibrio fischeri ATCC 7744 was isolated by using synthetic oligonucleotide probes corresponding to the N-terminal amino acid sequence of the enzyme. Nucleotide sequence analysis suggested that the major flavin reducta...

journal_title：Journal of bacteriology

authors： Zenno S,Saigo K,Kanoh H,Inouye S

更新日期：1994-06-01 00:00:00

abstract：:Sporulation-related repeat (SPOR) domains are small peptidoglycan (PG) binding domains found in thousands of bacterial proteins. The name "SPOR domain" stems from the fact that several early examples came from proteins involved in sporulation, but SPOR domain proteins are quite diverse and contribute to a variety of p...

journal_title：Journal of bacteriology

authors： Yahashiri A,Jorgenson MA,Weiss DS

更新日期：2017-06-27 00:00:00

abstract：:Several resistant mutants of a transformable group H streptococcus, strain Challis, were isolated from media containing high concentrations of streptomycin. Mutants SR5a and SR5 exhibited high and low transformability, respectively, when exposed to deoxyribonucleic acid (DNA) from a novobiocin-resistant Challis strain...

journal_title：Journal of bacteriology

authors： Perry D

更新日期：1968-01-01 00:00:00

abstract：:Antiserum to Aeromonas hydrophila A6 cell envelopes was shown in a previous study (C. Y. F. Wong, G. Mayrhofer, M. W. Heuzenroeder, H. M. Atkinson, D. M. Quinn, and R. L. P. Flower, FEMS Immunol. Med. Microbiol. 15:233-241, 1996) to protect mice against lethal infection by this organism. In this study, colony blot ana...

journal_title：Journal of bacteriology

authors： Wong CY,Heuzenroeder MW,Quinn DM,Flower RL

更新日期：1997-06-01 00:00:00

abstract：:Birnbaum, Jerome (University of Cincinnati, Cincinnati, Ohio), and Herman C. Lichstein. Metabolism of biotin and analogues of biotin by microorganisms. IV. Degradation of biotin, oxybiotin, and desthiobiotin by Lactobacillus casei. J. Bacteriol. 92:925-930. 1966.-Lactobacillus casei degrades biotin when it is present ...

journal_title：Journal of bacteriology

authors： Birnbaum J,Lichstein HC

更新日期：1966-10-01 00:00:00

abstract：:Legionella pneumophila expresses two peroxide-scavenging alkyl hydroperoxide reductase systems (AhpC1 and AhpC2D) that are expressed differentially during the bacterial growth cycle. Functional loss of the postexponentially expressed AhpC1 system is compensated for by increased expression of the exponentially expresse...

journal_title：Journal of bacteriology

authors： LeBlanc JJ,Brassinga AK,Ewann F,Davidson RJ,Hoffman PS

更新日期：2008-05-01 00:00:00

abstract：:For maximal turbidity and dissimilatory activity, three strains of pediococci required the addition of Mn(2+) to Rogosa basal medium. Twenty-two strains of enterococci proved indifferent to this supplement. ...

journal_title：Journal of bacteriology

authors： Efthymiou CJ,Joseph SW

更新日期：1972-10-01 00:00:00

abstract：:A cell-free crude extract of Erysipelothrix rhusiopathiae injected by high pressure jet into the knee-joint of rabbits stimulated an acute, mild inflammatory reaction. Additional injections at 3-day intervals induced a chronic condition characterized by hyperplasia of the synovial cells and hypertrophy of the villi, d...

journal_title：Journal of bacteriology

authors： White TG,Puls JL

更新日期：1969-05-01 00:00:00

abstract：:Guanosine tetraphosphate (ppGpp) is a key mediator of stringent control, an adaptive response of bacteria to amino acid starvation, and has thus been termed a bacterial alarmone. Previous X-ray crystallographic analysis has provided a structural basis for the transcriptional regulation of RNA polymerase activity by pp...

journal_title：Journal of bacteriology

authors： Kasai K,Nishizawa T,Takahashi K,Hosaka T,Aoki H,Ochi K

更新日期：2006-10-01 00:00:00

abstract：:A procedure for the isolation of Bacillus subtilis mutants that appear to be defective in septum synthesis has been described. Fourteen mutants isolated with this technique were found to be located at four distinct loci on the B. subtilis chromosome. These have been designated divA, divB, divC, and divD. The four muta...

journal_title：Journal of bacteriology

authors： Van Alstyne D,Simon MI

更新日期：1971-12-01 00:00:00

abstract：:Salmonella typhimurium contains three "major proteins" or "porins" (34K, 35K, and 36K) in the outer membrane. A mutant strain producing only the 35K porin was first grown in media containing high concentrations of NaCl to "repress" the porin synthesis and then was shifted into a medium without NaCl. The newly made por...

journal_title：Journal of bacteriology

authors： Smit J,Nikaido H

更新日期：1978-08-01 00:00:00

abstract：:A procedure was developed for purification of ornithine transcarbamylase (OTCase) to near homogeneity from Bacillus subtilis 168. The purified native enzyme existed as a mixture of dimeric, tetrameric, and hexameric forms, but was converted to the dimer in the presence of 2-mercaptoethanol. The molecular weight of the...

journal_title：Journal of bacteriology

authors： Neway JO,Switzer RL

更新日期：1983-08-01 00:00:00

abstract：:The effect of heat shock on Myxococcus xanthus was investigated during both glycerol- and starvation-induced development. Cells heat shocked at 40 degrees C for 1 h prior to a development-inducing signal displayed an accelerated rate of myxospore formation at 30 degrees C. Additionally, M. xanthus cells heat shocked p...

journal_title：Journal of bacteriology

authors： Killeen KP,Nelson DR

更新日期：1988-11-01 00:00:00