Rhizobium leguminosarum mutants incapable of normal extracellular polysaccharide production.

abstract：:The citrate transporter CitP of lactic acid bacteria catalyzes electrogenic precursor-product exchange of citrate versus L-lactate during citrate-glucose cometabolism. In the absence of sugar, L-lactate is replaced by the metabolic intermediates/end products pyruvate, α-acetolactate, and acetate. In this study, the bi...

journal_title：Journal of bacteriology

authors： Pudlik AM,Lolkema JS

更新日期：2012-07-01 00:00:00

abstract：:Abram, Dinah (Purdue University, Lafayette, Ind.), A. E. Vatter, and Henry Koffler. Attachment and structural features of flagella of certain bacilli. J. Bacteriol. 91:2045-2068. 1966.-The attachment of flagella to cells of various mesophilic and thermophilic strains of Bacillus was studied electron microscopically. S...

journal_title：Journal of bacteriology

authors： Abram D,Vatter AE,Koffler H

更新日期：1966-05-01 00:00:00

abstract：:Mevalonate (MVA) metabolism provides the isoprenoids used in archaeal lipid biosynthesis. In synthesis of isopentenyl diphosphate, the classical MVA pathway involves decarboxylation of mevalonate diphosphate, while an alternate pathway has been proposed to involve decarboxylation of mevalonate monophosphate. To identi...

journal_title：Journal of bacteriology

authors： Vannice JC,Skaff DA,Keightley A,Addo JK,Wyckoff GJ,Miziorko HM

更新日期：2014-03-01 00:00:00

abstract：:The endophytic diazotroph Azoarcus sp. strain BH72 is capable of infecting rice roots and of expressing the nitrogenase (nif) genes there. In order to study the genetic background for nitrogen fixation in strain BH72, the structural genes of nitrogenase (nifHDK) were cloned and sequenced. The sequence analysis reveale...

journal_title：Journal of bacteriology

authors： Egener T,Martin DE,Sarkar A,Reinhold-Hurek B

更新日期：2001-06-01 00:00:00

abstract：:We demonstrate that expression of the UGA1, CAN1, GAP1, PUT1, PUT2, PUT4, and DAL4 genes is sensitive to nitrogen catabolite repression. The expression of all these genes, with the exception of UGA1 and PUT2, also required a functional GLN3 protein. In addition, GLN3 protein was required for expression of the DAL1, DA...

journal_title：Journal of bacteriology

authors： Daugherty JR,Rai R,el Berry HM,Cooper TG

更新日期：1993-01-01 00:00:00

abstract：:Chlamydophila pneumoniae is a gram-negative obligate intracellular bacterial pathogen that causes pneumonia and bronchitis and may contribute to atherosclerosis. The developmental cycle of C. pneumoniae includes a morphological transition from an infectious extracellular elementary body (EB) to a noninfectious intrace...

journal_title：Journal of bacteriology

authors： Johnson DL,Stone CB,Mahony JB

更新日期：2008-04-01 00:00:00

abstract：:The gene encoding Neisseria gonorrhoeae periplasmic binding protein FbpA contains two regions whose sequences exhibit homology with the Escherichia coli ferric uptake regulator protein (Fur) consensus binding sequence. In this study, DNase I footprinting experiments were employed to characterize the operator sequences...

journal_title：Journal of bacteriology

authors： Desai PJ,Angerer A,Genco CA

更新日期：1996-08-01 00:00:00

abstract：:An apparent operator-constitutive mutation was discovered in the repressible acid phosphatase system in Saccharomyces cerevisiae. The site of mutation, designated PHOO, was found to be closely linked to the phoD locus. The mutant allele, PHOO, was semidominant over the wild-type allele and effective for the expression...

journal_title：Journal of bacteriology

authors： Toh-E A,Oshima Y

更新日期：1974-11-01 00:00:00

abstract：:We previously described a gene, lpt3, required for the addition of phosphoethanolamine (PEtn) at the 3 position on the beta-chain heptose (HepII) of the inner-core Neisseria meningitidis lipopolysaccharide (LPS), but it has long been recognized that the inner-core LPS of some strains possesses PEtn at the 6 position (...

journal_title：Journal of bacteriology

authors： Wright JC,Hood DW,Randle GA,Makepeace K,Cox AD,Li J,Chalmers R,Richards JC,Moxon ER

更新日期：2004-10-01 00:00:00

abstract：:CRISPR-Cas systems are prokaryotic adaptive immune systems that facilitate protection of bacteria and archaea against infection by external mobile genetic elements. The model pathogen Francisella novicida encodes a CRISPR-Cas12a (FnoCas12a) system and a CRISPR-Cas9 (FnoCas9) system, the latter of which has an addition...

journal_title：Journal of bacteriology

authors： Ratner HK,Weiss DS

更新日期：2020-05-27 00:00:00

abstract：:A combined physical and genetic map of the Serpulina hyodysenteriae B78T genome was constructed by using pulsed-field gel electrophoresis and DNA blot hybridizations. The S. hyodysenteriae genome is a single circular chromosome about 3.2 Mb in size. The physical map of the chromosome was constructed with the restricti...

journal_title：Journal of bacteriology

authors： Zuerner RL,Stanton TB

更新日期：1994-02-01 00:00:00

abstract：:Mycobacterial genomes are endowed with many eukaryote-like nucleotide cyclase genes encoding proteins that can synthesize 3',5'-cyclic AMP (cAMP). However, the roles of cAMP and the need for such redundancy in terms of adenylyl cyclase genes remain unknown. We measured cAMP levels in Mycobacterium smegmatis during gro...

journal_title：Journal of bacteriology

authors： Dass BK,Sharma R,Shenoy AR,Mattoo R,Visweswariah SS

更新日期：2008-06-01 00:00:00

abstract：:Polyamines are required for rapid phospholipid turnover in Escherichia coli growing in media of low osmolarity. ...

journal_title：Journal of bacteriology

authors： Munro GF,Bell CA

更新日期：1973-12-01 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：:The growth of Bacillus subtilis mutant betaA177 can be inhibited under special conditions in which not enough autolytic enzymes are produced for optimal growth. Electron microscopy studies show that during growth inhibition there is localized thickening of the cell wall at positions where cells bend. A model is propos...

journal_title：Journal of bacteriology

authors： Fan DP,Beckman MM,Cunningham WP

更新日期：1972-03-01 00:00:00

abstract：:A previously undetected Bacillus subtilis aspartokinase isozyme, which we have called aspartokinase III, has been characterized. The new isozyme was most readily detected in extracts of cells grown with lysine, which repressed aspartokinase II and induced aspartokinase III, or in extracts of strain VS11, a mutant lack...

journal_title：Journal of bacteriology

authors： Graves LM,Switzer RL

更新日期：1990-01-01 00:00:00

abstract：:The ribG gene at the 5' end of the riboflavin operon of Bacillus subtilis and a reading frame at 442 kb on the Escherichia coli chromosome (subsequently designated ribD) show similarity with deoxycytidylate deaminase and with the RIB7 gene of Saccharomyces cerevisiae. The ribG gene of B. subtilis and the ribD gene of ...

journal_title：Journal of bacteriology

authors： Richter G,Fischer M,Krieger C,Eberhardt S,Lüttgen H,Gerstenschläger I,Bacher A

更新日期：1997-03-01 00:00:00

abstract：:Streptomyces coelicolor is the prototype for the investigation of antibiotic-producing and differentiating actinomycetes. As soil bacteria, streptomycetes can metabolize a wide variety of carbon sources and are hence vested with various specific permeases. Their activity and regulation substantially determine the nutr...

journal_title：Journal of bacteriology

authors： Bertram R,Schlicht M,Mahr K,Nothaft H,Saier MH Jr,Titgemeyer F

更新日期：2004-03-01 00:00:00

abstract：:The effects of high doses of radiation (1, 5, or 20 Mrad) on the toxicity, pyrogenicity, and immunogenicity of Salmonella typhimurium cells and endotoxin were studied. Toxicity decreased progressively after exposure to 1, 5, or 20 Mrad. The lethal effect of 1-Mrad exposed cells was greater than that of heat-, acetone-...

journal_title：Journal of bacteriology

authors： Previte JJ

更新日期：1968-06-01 00:00:00

abstract：:Mutants of Escherichia coli K-12 constitutive for fatty acid degradation (fadR) showed an increased rate of utilization of exogenous acetate. Acetate transport, oxidation, and incorporation into macromolecules was approximately fivefold greater in fadR mutants than fadR+ strains during growth on succinate as a carbon ...

journal_title：Journal of bacteriology

authors： Maloy SR,Nunn WD

更新日期：1981-10-01 00:00:00

abstract：:Isolated cell envelopes of a marine bacterium, M.B.3, have been prepared which possess a nonspecific, cation-activated nucleotidase. The cell envelope comprises approximately 35% (dry weight) of the whole cell and contains protein, 60.2%; lipids, 20.7%; hexose, 3.4%; and ribonucleic acid, 4.6%. No deoxyribonucleic aci...

journal_title：Journal of bacteriology

authors： Thompson J,Green ML,Happold FC

更新日期：1969-09-01 00:00:00

abstract：:The plant cell wall, which consists of a highly complex array of interconnecting polysaccharides, is the most abundant source of organic carbon in the biosphere. Microorganisms that degrade the plant cell wall synthesize an extensive portfolio of hydrolytic enzymes that display highly complex molecular architectures. ...

journal_title：Journal of bacteriology

authors： DeBoy RT,Mongodin EF,Fouts DE,Tailford LE,Khouri H,Emerson JB,Mohamoud Y,Watkins K,Henrissat B,Gilbert HJ,Nelson KE

更新日期：2008-08-01 00:00:00

abstract：:The mocC gene encoded by the octopine/mannityl opine-type Ti plasmid pTi15955 is related at the nucleotide sequence level to mas1' encoded by the T region of this plasmid. While Mas1 is required for the synthesis of mannopine (MOP) by crown gall tumor cells, MocC is essential for the utilization of MOP by Agrobacteriu...

journal_title：Journal of bacteriology

authors： Kim KS,Chilton WS,Farrand SK

更新日期：1996-06-01 00:00:00

abstract：:Five Escherichia coli type 1 pilus mutants that had point mutations in fimH, the gene encoding the type 1 pilus adhesin FimH, were characterized. FimH is a minor component of type 1 pili that is required for the pili to bind and agglutinate guinea pig erythrocytes in a mannose-inhibitable manner. Point mutations were ...

journal_title：Journal of bacteriology

authors： Hamrick TS,Harris SL,Spears PA,Havell EA,Horton JR,Russell PW,Orndorff PE

更新日期：2000-07-01 00:00:00

abstract：UNLABELLED:The latent period of phage T4, normally ∼25 min, can be extended indefinitely if the infected cell is superinfected after 5 min. This phenomenon, designated lysis inhibition (LIN), was first described in the 1940s and is genetically defined by mutations in diverse T4 r genes. RI, the main effector of LIN, ha...

journal_title：Journal of bacteriology

authors： Chen Y,Young R

更新日期：2016-08-25 00:00:00

abstract：:top mutations (formerly supX) eliminate DNA topoisomerase I activity and suppress the leu-500 promoter mutation in Salmonella typhimurium (K. M. Overbye, S. K. Basu, and P. Margolin, Cold Spring Harbor Symp. Quant. Biol. 47:785-791, 1983). Sublethal doses of coumermycin which reduce intracellular levels of supercoilin...

journal_title：Journal of bacteriology

authors： Pruss GJ,Drlica K

更新日期：1985-11-01 00:00:00

abstract：:From citrate-utilizing (Cit+) Escherichia coli strain C53 of bovine origin, strains C53A and C53B were obtained. Upon mating with recA+ but not with recA mutant recipients of K-12, C53A produced chromosomal recombinants at quite high frequencies, leading to the following conclusions: (i) C53A is an Hfr strain; (ii) th...

journal_title：Journal of bacteriology

authors： Ishiguro N,Oka C,Asagi M,Sato G,Yoshikawa M

更新日期：1980-08-01 00:00:00

abstract：:Phase-partitioning studies of the euryhaline bacterium Halomonas elongata demonstrated that the hydrophobic-hydrophilic nature of the cell surface changed as the bacterium grew in different NaCl concentrations. Mid-log-phase cells grown in a high (3.4 M) NaCl concentration were more hydrophilic than were cells grown i...

journal_title：Journal of bacteriology

authors： Hart DJ,Vreeland RH

更新日期：1988-01-01 00:00:00

abstract：:Rhizobium japonicum, capable of binding high-molecular-weight donor (32)P-labeled deoxyribonucleic acid (DNA) during late log phase in a competence medium, was transformed for streptomycin resistance with a frequency of transformation ranging between 0.02 and 0.08%. Eight to 10% of the homologous native (32)P-labeled ...

journal_title：Journal of bacteriology

authors： Raina JL,Modi VV

更新日期：1972-08-01 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