Protein splicing of the Deinococcus radiodurans strain R1 Snf2 intein.

abstract：:Intracellular accumulation of nitrate, indicative of the operation of an active nitrate transport system, has been measured in intact cells of the cyanobacterium Anacystis nidulans. The ability of the cells to accumulate nitrate was effectively hindered by either ammonium addition or selective inhibition of CO2 fixati...

journal_title：Journal of bacteriology

authors： Lara C,Romero JM,Guerrero MG

更新日期：1987-09-01 00:00:00

abstract：:Porphyromonas gingivalis, an obligate anaerobe, exhibits a relatively high degree of aerotolerance and possesses superoxide dismutase (SOD) which is induced by exposure to air. To clarify roles for SOD in this organism, the gene encoding SOD (sod) on the P. gingivalis chromosome was disrupted in a gene-directed way by...

journal_title：Journal of bacteriology

authors： Nakayama K

更新日期：1994-04-01 00:00:00

abstract：:A number of heterologous plasmid deoxyribonucleic acids (DNAs) coding for erythromycin, tylosin, lincomycin, tetracycline, or chloramphenicol resistance have been introduced into Streptococcus pneumoniae via genetic transformation with frequencies that varied between 10(-5) to as high as 5 x 10(-1) per colony-forming ...

journal_title：Journal of bacteriology

authors： Barany F,Tomasz A

更新日期：1980-11-01 00:00:00

abstract：:Expression plasmids containing various portions of araFGH operon sequences were assayed for their ability to facilitate the high-affinity L-arabinose transport process in a strain lacking the chromosomal copy of this operon. Accumulation studies demonstrated that the specific induction of all three operon coding seque...

journal_title：Journal of bacteriology

authors： Horazdovsky BF,Hogg RW

更新日期：1989-06-01 00:00:00

abstract：:In this study, we demonstrated the remarkable genome plasticity of lytic lactococcal phages that allows them to rapidly adapt to the dynamic dairy environment. The lytic double-stranded DNA phage ul36 was used to sequentially infect a wild-type strain of Lactococcus lactis and two isogenic derivatives with genes encod...

journal_title：Journal of bacteriology

authors： Labrie SJ,Moineau S

更新日期：2007-02-01 00:00:00

abstract：:We isolated a new recF mutant of Escherichia coli K-12 by insertion of transposon Tn5 into the recF gene. This recF400::Tn5 allele displayed the same phenotypic characteristics as the classic recF143 mutation. By using Mu d(Ap lac) fusions, the induction of nine SOS genes, including recA, umuC, dinA, dinB, dinD, dinF,...

journal_title：Journal of bacteriology

authors： Thoms B,Wackernagel W

更新日期：1987-04-01 00:00:00

abstract：:Acyl-homoserine lactone (acyl-HSL) quorum-sensing signaling is common to many Proteobacteria. Acyl-HSLs are synthesized by the LuxI family of synthases, and the signal response is mediated by members of the LuxR family of transcriptional regulators. Burkholderia thailandensis is a member of a closely related cluster o...

journal_title：Journal of bacteriology

authors： Chandler JR,Duerkop BA,Hinz A,West TE,Herman JP,Churchill ME,Skerrett SJ,Greenberg EP

更新日期：2009-10-01 00:00:00

abstract：:Autolysin-defective pneumococci treated with inhibitory concentrations of penicillin and other beta-lactam antibiotics continued to produce non-cross-linked peptidoglycan and cell wall teichoic acid polymers, the majority of which were released into the surrounding medium. The released cell wall polymers were those sy...

journal_title：Journal of bacteriology

authors： Fischer H,Tomasz A

更新日期：1984-02-01 00:00:00

abstract：:The cell walls of selected bacteria were studied by X-ray diffraction analysis to determine and characterize crystalline components. The walls were isolated by mechanical disruption and purified by enzymatic and washing procedures. The X-ray diffraction lines which appeared from the gram-positive cell walls were shown...

journal_title：Journal of bacteriology

authors： Carito SL,Bazil SL,DiGiacomo G

更新日期：1967-01-01 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：:Wild-type Escherichia coli cannot grow on L-1,2-propanediol; mutants that can do so have increased basal activity of an NAD-linked L-1,2-propanediol oxidoreductase. This enzyme belongs to the L-fucose system and functions normally as L-lactaldehyde reductase during fermentation of the methylpentose. In wild-type cells...

journal_title：Journal of bacteriology

authors： Chen YM,Chakrabarti T,Lin EC

更新日期：1984-08-01 00:00:00

abstract：:Payne, W. J. (University of Georgia, Athens), and R. L. Todd. Flavin-linked dehydrogenation of ether glycols by cell-free extracts of a soil bacterium. J. Bacteriol. 91:1533-1536. 1966.-Cell-free extracts of bacterium TEG-5 grown on tetraethylene glycol dehydrogenated a variety of ether glycols and nonylphenoxy and se...

journal_title：Journal of bacteriology

authors： Payne WJ,Todd RL

更新日期：1966-04-01 00:00:00

abstract：:The bdr (Borrelia direct repeat) gene family of the genus Borrelia encodes a polymorphic group of proteins that carry a central repeat motif region containing putative phosphorylation sites and a hydrophobic carboxyl-terminal domain. It has been postulated that the Bdr proteins may anchor to the inner membrane via the...

journal_title：Journal of bacteriology

authors： Roberts DM,Theisen M,Marconi RT

更新日期：2000-08-01 00:00:00

abstract：:The sigA and sigB genes of Mycobacterium tuberculosis encode two sigma 70-like sigma factors of RNA polymerase. While transcription of the sigA gene is growth rate independent, sigB transcription is increased during entry into stationary phase. The sigA gene transcription is unresponsive to environmental stress but th...

journal_title：Journal of bacteriology

authors： Hu Y,Coates AR

更新日期：1999-01-01 00:00:00

abstract：:In the Firmicutes, two-component regulatory systems of the LiaSR type sense and orchestrate the response to various agents that perturb cell envelope functions, in particular lipid II cycle inhibitors. In the current study, we found that the corresponding system in Streptococcus pneumoniae displays similar properties ...

journal_title：Journal of bacteriology

authors： Eldholm V,Gutt B,Johnsborg O,Brückner R,Maurer P,Hakenbeck R,Mascher T,Håvarstein LS

更新日期：2010-04-01 00:00:00

abstract：:An electron microscopy study has been made of the effects of dissolution of the plasma membrane of Escherichia coli with sodium dodecyl sulfate (SDS) on the organization of the nucleoplasm and the cytoplasm. The alterations observed in time course experiments were related to absorbance changes and to release of macrom...

journal_title：Journal of bacteriology

authors： Woldringh CL,van Iterson W

更新日期：1972-09-01 00:00:00

abstract：:narK mutants of Escherichia coli produce wild-type levels of nitrate reductase but, unlike the wild-type strain, do not accumulate nitrite when grown anaerobically on a glucose-nitrate medium. Comparison of the rates of nitrate and nitrite metabolism in cultures growing anaerobically on glucose-nitrate medium revealed...

journal_title：Journal of bacteriology

authors： DeMoss JA,Hsu PY

更新日期：1991-06-01 00:00:00

abstract：:Mycobacterium avium secretes iron-binding siderophores called exochelins. The exochelins from M. avium have previously been reported to have unsaturated side chains that terminate in carboxylic acid. In contrast, our data show the side chains to be both saturated and unsaturated and to terminate with either a carboxyl...

journal_title：Journal of bacteriology

authors： Wong DK,Gobin J,Horwitz MA,Gibson BW

更新日期：1996-11-01 00:00:00

abstract：:The ftsH gene encodes an ATP- and Zn(2+)-dependent metalloprotease which is anchored to the cytoplasmic membrane via two transmembrane segments in such a way that the very short amino- and the long carboxy termini are exposed to the cytoplasm. Deletion of the ftsH gene in Bacillus subtilis results in a pleiotropic phe...

journal_title：Journal of bacteriology

authors： Wehrl W,Niederweis M,Schumann W

更新日期：2000-07-01 00:00:00

abstract：:In a glycerol auxotroph of Staphylococcus aureus, the deprivation of glycerol affected the formation of certain membrane components. (i) There was synthesis of fatty acids at the predeprivation rate even though the fatty acids synthesized accumulated as free fatty acids rather than as esterified fatty acids; (ii) ther...

journal_title：Journal of bacteriology

authors： Ray PH,Lillich TT,White DC

更新日期：1972-10-01 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：:Secreted and cell envelope-associated proteins are important to both Mycobacterium tuberculosis pathogenesis and the generation of protective immunity to M. tuberculosis. We used an in vitro Tn552'phoA transposition system to identify exported proteins of M. tuberculosis. The system is simple and efficient, and the tr...

journal_title：Journal of bacteriology

authors： Braunstein M,Griffin TJ IV,Kriakov JI,Friedman ST,Grindley ND,Jacobs WR Jr

更新日期：2000-05-01 00:00:00

abstract：:MobB is a small protein encoded by the broad-host-range plasmid R1162 and required for efficient mobilization of its DNA during conjugation. The protein was shown previously to stabilize the relaxosome, the complex of plasmid DNA and mobilization proteins at the origin of transfer (oriT). We have generated in-frame mo...

journal_title：Journal of bacteriology

authors： Perwez T,Meyer RJ

更新日期：1999-04-01 00:00:00

abstract：:The Rickettsia prowazekii sigma factor was overexpressed, purified, and used to reconstitute RNA polymerase holoenzyme species. R. prowazekii RNA polymerase-promoter complexes were unstable and remained dissociable and heparin sensitive under conditions in which the corresponding Escherichia coli complexes were not. T...

journal_title：Journal of bacteriology

authors： Aniskovitch LP,Winkler HH

更新日期：1995-11-01 00:00:00

abstract：:A coordinated response to a complex and dynamic environment requires an organism to simultaneously monitor and interpret multiple signaling cues. In bacteria and some eukaryotes, environmental responses depend on the histidine autokinases (HKs). For example, VirA, a large integral membrane HK from Agrobacterium tumefa...

journal_title：Journal of bacteriology

authors： Gao R,Lynn DG

更新日期：2007-08-01 00:00:00

abstract：:The nucleotide sequence of a region located downstream of the nifB gene, both in the cyanobacterium Anabaena sp. strain PCC 7120 and in Rhizobium meliloti, has been determined. This region contains a gene (fdxN) whose predicted polypeptide product strongly resembles typical bacterial ferredoxins. Cyanobacteria have no...

journal_title：Journal of bacteriology

authors： Mulligan ME,Buikema WJ,Haselkorn R

更新日期：1988-09-01 00:00:00

abstract：:Corynebacterium diphtheriae, a Gram-positive, aerobic bacterium, is the causative agent of diphtheria and cutaneous infections. While mechanisms required for heme iron acquisition are well known in C. diphtheriae, systems involved in the acquisition of other metals such as zinc and manganese remain poorly characterize...

journal_title：Journal of bacteriology

authors： Peng ED,Oram DM,Battistel MD,Lyman LR,Freedberg DI,Schmitt MP

更新日期：2018-04-24 00:00:00

abstract：:An assay modeled on a known polymorphism in the PE_PGRS9 gene of Mycobacterium tuberculosis was designed to assess the mutability of a sequence containing interspersed PGRS repeats. Application of the assay in Mycobacterium smegmatis revealed sequence plasticity: in addition to recapitulating the mutation on which it ...

journal_title：Journal of bacteriology

authors： Machowski EE,Barichievy S,Springer B,Durbach SI,Mizrahi V

更新日期：2007-03-01 00:00:00

abstract：:We previously demonstrated that mutation of the staphylococcal accessory regulator (sarA) in a clinical isolate of Staphylococcus aureus (UAMS-1) results in an impaired capacity to form a biofilm in vitro (K. E. Beenken, J. S. Blevins, and M. S. Smeltzer, Infect. Immun. 71:4206-4211, 2003). In this report, we used a m...

journal_title：Journal of bacteriology

authors： Beenken KE,Dunman PM,McAleese F,Macapagal D,Murphy E,Projan SJ,Blevins JS,Smeltzer MS

更新日期：2004-07-01 00:00:00

abstract：:We describe here a new mutant of Pseudomonas aeruginosa PAO, strain D10C (genotype plcB), which produces phospholipase C and alkaline phosphatase constitutively. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis of the extracellular proteins produced by this mutant in high- and low-Pi media revealed that the m...

journal_title：Journal of bacteriology

authors： Gray GL,Berka RM,Vasil ML

更新日期：1982-06-01 00:00:00