Two homologous genes coding for spore-specific proteins are expressed at different times during development of Myxococcus xanthus.

abstract：:Rhodospirillum rubrum was shown to grow fermentatively on fructose with N2 as a nitrogen source. The nitrogenase activity of these cells was regulated by the NH4+ switch-off/switch-on mechanism in a manner identical to that for photosynthetically grown cells. In vitro, the inactive nitrogenase Fe protein from fermenti...

journal_title：Journal of bacteriology

authors： Schultz JE,Gotto JW,Weaver PF,Yoch DC

更新日期：1985-06-01 00:00:00

abstract：:The pdxK and pdxY genes have been found to code for pyridoxal kinases, enzymes involved in the pyridoxal phosphate salvage pathway. Two pyridoxal kinase structures have recently been published, including Escherichia coli pyridoxal kinase 2 (ePL kinase 2) and sheep pyridoxal kinase, products of the pdxY and pdxK genes,...

journal_title：Journal of bacteriology

authors： Safo MK,Musayev FN,di Salvo ML,Hunt S,Claude JB,Schirch V

更新日期：2006-06-01 00:00:00

abstract：:It is thought that in the gram-negative soil bacterium Sinorhizobium meliloti the protein ExoP is involved in biosynthesis of the acidic exopolysaccharide succinoglycan (EPS I). The amounts and compositions of EPS I produced by mutants expressing ExoP proteins characterized by specific amino acid substitutions in the ...

journal_title：Journal of bacteriology

authors： Niemeyer D,Becker A

更新日期：2001-09-01 00:00:00

abstract：:Lactobacillus rhamnosus MTCC 5462 was isolated from infant gastrointestinal flora. The strain exhibited an ability to reduce cholesterol and stimulate immunity. The strain has exhibited positive results in alleviating gastrointestinal discomfort and good potential as a probiotic. We sequenced the whole genome of the s...

journal_title：Journal of bacteriology

authors： Prajapati JB,Khedkar CD,Chitra J,Suja S,Mishra V,Sreeja V,Patel RK,Ahir VB,Bhatt VD,Sajnani MR,Jakhesara SJ,Koringa PG,Joshi CG

更新日期：2012-03-01 00:00:00

abstract：:An investigation of sulfate reduction in B tsnC*7004, a mutant of Escherichia coli lacking thioredoxin, is reported. Although thioredoxin is indispensable for the adenosine 3'-phosphate 5'-phosphosulfate (PAPS) sulfotransferase reaction under the usual conditions of assay in extracts of wild-type cells, the mutant gre...

journal_title：Journal of bacteriology

authors： Tsang ML,Schiff JA

更新日期：1978-04-01 00:00:00

abstract：:Resting cell suspensions of Neisseria meningitidis group B (strain 2091) do not catabolize citrate as the sole substrate to an appreciable degree. When another substrate, such as glutamate, is also present to furnish energy for transport, citrate metabolism is greatly stimulated. Within limits, the amount of CO(2) pro...

journal_title：Journal of bacteriology

authors： Hill JC

更新日期：1971-06-01 00:00:00

abstract：:Replication initiator proteins in bacteria not only allow DNA replication but also often regulate the rate of replication initiation as well. The regulation is mediated by limiting the synthesis or availability of initiator proteins. The applicability of this principle is demonstrated here for RctB, the replication in...

journal_title：Journal of bacteriology

authors： Pal D,Venkova-Canova T,Srivastava P,Chattoraj DK

更新日期：2005-11-01 00:00:00

abstract：:The replication of the R factor Rts1 in Proteus mirabilis was examined by using the technique of CsCl density-gradient centrifugation. The proportion of Rts1 deoxyribonucleic acid (DNA) relative to the host chromosomal DNA (% R-DNA) was 7% in both exponential and stationary growth phases in Penassay Broth and suppleme...

journal_title：Journal of bacteriology

authors： Terawaki Y,Rownd R

更新日期：1972-02-01 00:00:00

abstract：:Doxtader, K. G. (Cornell University, Ithaca, N.Y.), and M. Alexander. Role of 3-nitropropanoic acid in nitrate formation by Aspergillus flavus. J. Bacteriol. 91:1186-1191. 1966.-Aspergillus flavus formed nitrate, 3-nitropropanoic acid (3-NPA), kojic acid, and a substance tentatively identified as N-formyl-N-hydroxy-gl...

journal_title：Journal of bacteriology

authors： Doxtader KG,Alexander M

更新日期：1966-03-01 00:00:00

abstract：:After the Bacillus subtilis nucleoid was dissected with restriction endonucleases, a specific DNA sequence from the purA region was isolated in a particulate form that probably originated from the cell membrane. Precise definition of the binding region within this sequence was achieved by a novel procedure based on a ...

journal_title：Journal of bacteriology

authors： Sargent MG,Bennett MF

更新日期：1986-04-01 00:00:00

abstract：:A monoclonal antibody, AFRC MAC 203, was used to examine the expression of a nodule-induced cell surface antigen associated with lipopolysaccharide in Rhizobium leguminosarum bv. viciae 3841. Silver-enhanced immunogold-labeled tissue sections revealed that, in very young tissues of pea root nodules, the nodule-induced...

journal_title：Journal of bacteriology

authors： VandenBosch KA,Brewin NJ,Kannenberg EL

更新日期：1989-09-01 00:00:00

abstract：:Proteus mirabilis is a dimorphic bacterium which exists in liquid cultures as a 1.5- to 2.0-microns motile swimmer cell possessing 6 to 10 peritrichous flagella. When swimmer cells are placed on a surface, they differentiate by a combination of events that ultimately produce a swarmer cell. Unlike the swimmer cell, th...

journal_title：Journal of bacteriology

authors： Belas R,Erskine D,Flaherty D

更新日期：1991-10-01 00:00:00

abstract：:Genetic transformation of auxotrophs of the extreme thermophile Thermus thermophilus HB27 to prototrophy was obtained at high frequencies of 10(-2) to 10(-1) when proliferating cell populations were exposed to chromosomal DNA from a nutritionally independent wild-type strain. The transformation frequency was proportio...

journal_title：Journal of bacteriology

authors： Koyama Y,Hoshino T,Tomizuka N,Furukawa K

更新日期：1986-04-01 00:00:00

abstract：:Enterococcus faecalis is associated with a high proportion of nosocomial infections; however, little is known of the ability of this organism to proliferate in vivo. The ability of RNase B, a model glycoprotein with a single N-glycosylation site occupied by a family of high-mannose-type glycans (Man(5)- to Man(9)-GlcN...

journal_title：Journal of bacteriology

authors： Roberts G,Tarelli E,Homer KA,Philpott-Howard J,Beighton D

更新日期：2000-02-01 00:00:00

abstract：:Sinorhizobium meliloti is a free-living soil bacterium which is capable of establishing a symbiotic relationship with the alfalfa plant (Medicago sativa). This symbiosis involves a network of bacterium-host signaling, as well as the potential for bacterium-bacterium communication, such as quorum sensing. In this study...

journal_title：Journal of bacteriology

authors： Marketon MM,González JE

更新日期：2002-07-01 00:00:00

abstract：:The Salmonella typhimurium LT2 ilvYC genes were studied by fusion of each gene to the Escherichia coli K-12 galK gene. The expression of ilvY and ilvC could then be determined by measurement of the galK-encoded galactokinase enzyme. The promoter for ilvC, pC, was located by this technique to a 0.42-kilobase BglII-EcoR...

journal_title：Journal of bacteriology

authors： Blazey DL,Burns RO

更新日期：1984-09-01 00:00:00

abstract：:We have isolated transposon insertions in the lacA gene encoding an endogenous beta-galactosidase of Bacillus subtilis. Upstream of the putative operon containing lacA is a negative regulator, lacR, which encodes a product related to a family of regulators that includes the lactose repressor, lacI, of Escherichia coli...

journal_title：Journal of bacteriology

authors： Daniel RA,Haiech J,Denizot F,Errington J

更新日期：1997-09-01 00:00:00

abstract：:The ski22::Tn917lac insertion mutation in Bacillus subtilis was isolated in a screen for mutations that cause a defect in sporulation but are suppressed by the presence or overexpression of the histidine protein kinase encoded by kinA (spoIIJ). The ski22::Tn917lac insertion mutation was in ald, the gene encoding alani...

journal_title：Journal of bacteriology

authors： Siranosian KJ,Ireton K,Grossman AD

更新日期：1993-11-01 00:00:00

abstract：:The fermentative hyperthermophile Pyrococcus furiosus contains an NADPH-utilizing, heterotetrameric (alphabetagammadelta), cytoplasmic hydrogenase (hydrogenase I) that catalyzes both H(2) production and the reduction of elemental sulfur to H(2)S. Herein is described the purification of a second enzyme of this type, hy...

journal_title：Journal of bacteriology

authors： Ma K,Weiss R,Adams MW

更新日期：2000-04-01 00:00:00

abstract：:A novel mutant of the marine oil-degrading bacterium Alcanivorax borkumensis SK2, containing a mini-Tn5 transposon disrupting a "tesB-like" acyl-coenzyme A (CoA) thioesterase gene, was found to hyperproduce polyhydroxyalkanoates (PHA), resulting in the extracellular deposition of this biotechnologically important poly...

journal_title：Journal of bacteriology

authors： Sabirova JS,Ferrer M,Lünsdorf H,Wray V,Kalscheuer R,Steinbüchel A,Timmis KN,Golyshin PN

更新日期：2006-12-01 00:00:00

abstract：:Myxobacteria are predatory and are prolific producers of secondary metabolites. Here, we tested a hypothesized role that secondary metabolite antibiotics function as weapons in predation. To test this, a Myxococcus xanthus Δta1 mutant, blocked in antibiotic TA (myxovirescin) production, was constructed. This TA(-) mut...

journal_title：Journal of bacteriology

authors： Xiao Y,Wei X,Ebright R,Wall D

更新日期：2011-09-01 00:00:00

abstract：:Herbaspirillum sp. strain GW103 was isolated from rhizosphere soil of the reed Phragmites australis on reclaimed land. Here we report the 5.05-Mb draft genome sequence of the strain, providing bioinformation about the agronomic benefits of this strain, such as multiple traits relevant to plant root colonization and pl...

journal_title：Journal of bacteriology

authors： Lee GW,Lee KJ,Chae JC

更新日期：2012-08-01 00:00:00

abstract：UNLABELLED:All methanofuran structural variants contain a basic core structure of 4-[N-(γ-l-glutamyl)-p-(β-aminoethyl)phenoxymethyl]-(aminomethyl)furan (APMF-Glu) but have different side chains depending on the source organism. Recently, we identified four genes (MfnA, MfnB, MfnC, and MfnD) that are responsible for the...

journal_title：Journal of bacteriology

authors： Wang Y,Xu H,Jones MK,White RH

更新日期：2015-09-01 00:00:00

abstract：:Chemotactic transducer proteins of Escherichia coli contain four or five methyl-accepting glutamates that are crucial for sensory adaptation and gradient sensing. Two residues arise from posttranslational deamidation of glutamines to yield methyl-accepting glutamates. We addressed the significance of this arrangement ...

journal_title：Journal of bacteriology

authors： Park C,Dutton DP,Hazelbauer GL

更新日期：1990-12-01 00:00:00

abstract：:The pst gene cluster encodes the phosphate-specific transport (Pst) system. Inactivation of the Pst system constitutively activates the two-component regulatory system PhoBR and attenuates the virulence of pathogenic bacteria. In uropathogenic Escherichia coli strain CFT073, attenuation by inactivation of pst is predo...

journal_title：Journal of bacteriology

authors： Crépin S,Porcheron G,Houle S,Harel J,Dozois CM

更新日期：2017-11-14 00:00:00

abstract：:The DNA sequence of part of the gnd (6-phosphogluconate dehydrogenase) gene was determined for eight wild strains of Escherichia coli and for Salmonella typhimurium. Since a region of the trp (tryptophan) operon and the phoA (alkaline phosphatase) gene have been sequenced from the same strains, the gene trees for thes...

journal_title：Journal of bacteriology

authors： Dykhuizen DE,Green L

更新日期：1991-11-01 00:00:00

abstract：:Somerson, Norman L. (National Institute of Allergy and Infectious Diseases, Bethesda, Md.), and M. K. Cook. Suppression of Rous sarcoma virus growth in tissue cultures by Mycoplasma orale. J. Bacteriol. 90:534-540. 1965.-An agent which produced cell destruction in human diploid and chick-embryo fibroblasts was isolate...

journal_title：Journal of bacteriology

authors： SOMERSON NL,COOK MK

更新日期：1965-08-01 00:00:00

abstract：:The DNA of bacteriophage Mu, extracted from induced lysates, is partially resistant to digestion by the endonuclease BalI. This modification of DNA is controlled by the Mu modification function (mom), which acts in conjunction with the dam (DNA-adenine methylation) function of Escherichia coli. Since the BalI recognit...

journal_title：Journal of bacteriology

authors： Khatoon H,Bukhari AI

更新日期：1978-10-01 00:00:00

abstract：:The fec region of the Escherichia coli chromosome determines a citrate-dependent iron(III) transport system. The nucleotide sequence of fec revealed five genes, fecABCDE, which are transcribed from fecA to fecE. The fecA gene encodes a previously described outer membrane receptor protein. The fecB gene product is form...

journal_title：Journal of bacteriology

authors： Staudenmaier H,Van Hove B,Yaraghi Z,Braun V

更新日期：1989-05-01 00:00:00

abstract：:Shapira, Jacob (Consolidated Veterans Administration Hospital, Little Rock, Ark.), Lois Lowden, and Ralph Hale. Inhibition of a thymine-deficient mutant of Escherichia coli by 5-substituted uracils. J. Bacteriol. 83:919-923. 1962.-Small inocula of well-washed cells of a thymine-requiring mutant of Escherichia coli wer...

journal_title：Journal of bacteriology

authors： SHAPIRA J,LOWDEN L,HALE R

更新日期：1962-04-01 00:00:00