The glucose kinase gene of Streptomyces coelicolor is not required for glucose repression of the chi63 promoter.

abstract：:The hyperthermophilic eubacterium Thermotoga maritima possesses an operon encoding an Hsp70 molecular chaperone protein and a protein with meaningful homology to the small heat shock protein family of chaperones. This represents the first demonstrated co-operon organization for these two important classes of molecular...

journal_title：Journal of bacteriology

authors： Michelini ET,Flynn GC

更新日期：1999-07-01 00:00:00

abstract：:The highly defective rho-15 mutant of Escherichia coli produces plasmid DNA that is 22% less negatively supercoiled than DNA from an isogenic wild-type strain (J. S. Fassler, G. F. Arnold, and I. Tessman, Mol. Gen. Genet. 204:424-429, 1986). We extended our measurements of plasmid superhelicity to additional rho mutan...

journal_title：Journal of bacteriology

authors： Arnold GF,Tessman I

更新日期：1988-09-01 00:00:00

abstract：:A fragment of the Lactococcus lactis chromosome containing an open reading frame of 265 codons, denoted bglR, has been characterized. The polypeptide encoded by bglR shares 36 to 30% sequence identity with a family of regulatory proteins including ArbG from Erwinia chrysanthemi, BglG from Escherichia coli, and SacT an...

journal_title：Journal of bacteriology

authors： Bardowski J,Ehrlich SD,Chopin A

更新日期：1994-09-01 00:00:00

abstract：:A citrate lyase (EC 4.1.3.6) was purified 25-fold from Leuconostoc mesenteroides and was shown to contain three subunits. The first 42 amino acids of the beta subunit were identified, as well as an internal peptide sequence spanning some 20 amino acids into the alpha subunit. Using degenerated primers from these seque...

journal_title：Journal of bacteriology

authors： Bekal S,Van Beeumen J,Samyn B,Garmyn D,Henini S,Diviès C,Prévost H

更新日期：1998-02-01 00:00:00

abstract：:Massetolide A is a cyclic lipopeptide (CLP) antibiotic produced by various Pseudomonas strains from diverse environments. Cloning, sequencing, site-directed mutagenesis, and complementation showed that massetolide A biosynthesis in P. fluorescens SS101 is governed by three nonribosomal peptide synthetase (NRPS) genes,...

journal_title：Journal of bacteriology

authors： de Bruijn I,de Kock MJ,de Waard P,van Beek TA,Raaijmakers JM

更新日期：2008-04-01 00:00:00

abstract：:The diphtheria toxin repressor (DtxR) uses Fe(2+) as a corepressor and inhibits transcription from iron-regulated promoters (IRPs) in Corynebacterium diphtheriae. A new IRP, designated IRP6, was cloned from C. diphtheriae by a SELEX-like procedure. DtxR bound to IRP6 in vitro only in the presence of appropriate divale...

journal_title：Journal of bacteriology

authors： Qian Y,Lee JH,Holmes RK

更新日期：2002-09-01 00:00:00

abstract：:Flagellate bacteria such as Escherichia coli and Salmonella enterica serovar Typhimurium typically express 5 to 12 flagellar filaments over their cell surface that rotate in clockwise (CW) and counterclockwise directions. These bacteria modulate their swimming direction towards favorable environments by biasing the di...

journal_title：Journal of bacteriology

authors： Morehouse KA,Goodfellow IG,Sockett RE

更新日期：2005-03-01 00:00:00

abstract：:The extent and nature of DNA polymorphism in the mutS-rpoS region of the Escherichia coli genome were assessed in 21 strains of enteropathogenic E. coli (EPEC) and enterohemorrhagic E. coli (EHEC) and in 6 strains originally isolated from natural populations. The intervening region between mutS and rpoS was amplified ...

journal_title：Journal of bacteriology

authors： Herbelin CJ,Chirillo SC,Melnick KA,Whittam TS

更新日期：2000-10-01 00:00:00

abstract：:A chromosomal insertion of transposon Tn917 partially restores the expression of protease and alpha-toxin activities to PM466, a genetically defined agr-null derivative of the wild-type Staphylococcus aureus strain RN6390. In co-transduction experiments, transposon-encoded erythromycin resistance and a protease- and a...

journal_title：Journal of bacteriology

authors： McNamara PJ,Milligan-Monroe KC,Khalili S,Proctor RA

更新日期：2000-06-01 00:00:00

abstract：:Expression of the Bacillus subtilis trpEDCFBA operon has been shown to be regulated by transcription attenuation in response to the availability of L-tryptophan. Regulation is mediated by the tryptophan-activated trp RNA-binding attenuation protein, TRAP, the product of mtrB. Formation of mutually exclusive RNA anti-t...

journal_title：Journal of bacteriology

authors： Merino E,Babitzke P,Yanofsky C

更新日期：1995-11-01 00:00:00

abstract：:Subgenomic DNA microarrays were employed to evaluate the expression of the accessory gene regulator (agr locus) as well as multiple virulence-associated genes in Staphylococcus aureus. Gene expression was examined during growth of S. aureus in vitro in standard laboratory medium and rabbit serum and in vivo in subcuta...

journal_title：Journal of bacteriology

authors： Yarwood JM,McCormick JK,Paustian ML,Kapur V,Schlievert PM

更新日期：2002-02-01 00:00:00

abstract：:The cold shock response of Escherichia coli is elicited by downshift of temperature from 37 degrees C to 15 degrees C and is characterized by induction of several cold shock proteins, including CsdA, during the acclimation phase. CsdA, a DEAD-box protein, has been proposed to participate in a variety of processes, suc...

journal_title：Journal of bacteriology

authors： Awano N,Xu C,Ke H,Inoue K,Inouye M,Phadtare S

更新日期：2007-08-01 00:00:00

abstract：:Heterokaryons of Mucor racemosus were produced by fusion of spheroplasts from two auxotrophic strains of the fungus. Germinated sporangiospores were converted to spheroplasts by using commercial chitinase and Myxobacter AL-1 chitosanase. Spheroplasts from the auxotrophic strains were mixed in a buffered Ca(NO3)2 solut...

journal_title：Journal of bacteriology

authors： Genthner FJ,Borgia PT

更新日期：1978-04-01 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：:A set of chemotaxis mutants of Bacillus subtilis was complemented by using SP beta c2 transducing bacteriophage either containing cloned segments of DNA or derived from abnormal excision of SP beta c2 dl2::Tn917 inserted into the chemotaxis region. Representative mutants were characterized in capillary assays for chem...

journal_title：Journal of bacteriology

authors： Ordal GW,Parker HM,Kirby JR

更新日期：1985-11-01 00:00:00

abstract：:Lundgren, D. G. (Syracuse University, Syracuse, N.Y.) and J. J. Cooney. Chemical analyses of asporogenic mutants of Bacillus cereus. J. Bacteriol. 83:1287-1293. 1962.-Bacillus cereus ATCC 4342 and three temperature-sensitive asporogenic mutants were compared regarding some basic cellular components and response to met...

journal_title：Journal of bacteriology

authors： LUNDGREN DG,COONEY JJ

更新日期：1962-06-01 00:00:00

abstract：:Leucine and isoleucine-valine loci have been mapped in Rhizobium japonicum. Transformation analysis suggests a common pathway for isoleucine-valine biosynthesis. Three-point reciprocal crosses indicated that all the leucine loci are not genetically linked. ...

journal_title：Journal of bacteriology

authors： Doctor F,Modi VV

更新日期：1976-05-01 00:00:00

abstract：:Functional domains in the RepI replication initiator protein have been identified by classical and site-directed mutagenesis techniques. Mutations conferring an increase in plasmid copy number contained alterations in a key position of a putative helix-turn-helix DNA binding motif. The mutations did not appear to affe...

journal_title：Journal of bacteriology

authors： Gammie AE,Tolmasky ME,Crosa JH

更新日期：1993-06-01 00:00:00

abstract：:The antibacterial protein toxin colicin V is secreted from Escherichia coli cells by a dedicated export system that is a member of the multicomponent ATP-binding cassette (ABC) transporter family. At least three proteins, CvaA, CvaB, and TolC, are required for secretion via this signal sequence-independent pathway. In...

journal_title：Journal of bacteriology

authors： Skvirsky RC,Reginald S,Shen X

更新日期：1995-11-01 00:00:00

abstract：:From a lysogen with lambda integrated in the leu operon, specialized transducing phages that carry the cell division, murein biosynthesis, and envelope permeability genes located about 0.5 min to the right of leu were isolated. These phages were used to identify the previously undiscovered cell division gene sep. A ge...

journal_title：Journal of bacteriology

authors： Fletcher G,Irwin CA,Henson JM,Fillingim C,Malone MM,Walker JR

更新日期：1978-01-01 00:00:00

abstract：:The prfA gene of Listeria monocytogenes was recently reported to be required for expression of hly, which encodes a pore-forming hemolysin essential for pathogenicity (M. Leimeister-Wachter, C. Haffner, E. Domann, W. Goebel, and T. Chakraborty, Proc. Natl. Acad. Sci. USA 87:8336-8340, 1990). We demonstrate here that a...

journal_title：Journal of bacteriology

authors： Freitag NE,Youngman P,Portnoy DA

更新日期：1992-02-01 00:00:00

abstract：:Integrons are genetic elements that contribute to lateral gene transfer in bacteria as a consequence of possessing a site-specific recombination system. This system facilitates the spread of genes when they are part of mobile cassettes. Most integrons are contained within chromosomes and are confined to specific bacte...

journal_title：Journal of bacteriology

authors： Stokes HW,Nesbø CL,Holley M,Bahl MI,Gillings MR,Boucher Y

更新日期：2006-08-01 00:00:00

abstract：:The glpD (MSMEG_6761) gene encoding glycerol-3-phosphate dehydrogenase was shown to be crucial for M. smegmatis to utilize glycerol as the sole carbon source. The glpD gene likely forms the glpFKD operon together with glpF and glpK, encoding a glycerol facilitator and glycerol kinase, respectively. The gylR (MSMEG_675...

journal_title：Journal of bacteriology

authors： Bong HJ,Ko EM,Song SY,Ko IJ,Oh JI

更新日期：2019-11-20 00:00:00

abstract：:Developmental expression of the Myxococcus xanthus gene 4521 requires extracellular A-signal. This signal is generated in response to nutrient limitation and functions in cell density sensing. To identify the upstream limit of the minimum region required in vivo for A-signal-dependent 4521 expression, a 5' deletion an...

journal_title：Journal of bacteriology

authors： Gulati P,Xu D,Kaplan HB

更新日期：1995-08-01 00:00:00

abstract：:Envelope fractions isolated from Escherichia coli K-12 C600 and from colicin-resistant and colicin-tolerant (Tol II) mutants derived from this strain were separated on sucrose gradients into cell wall-enriched and cytoplasmic membrane-enriched fractions. These fractions were tested for their ability to neutralize coli...

journal_title：Journal of bacteriology

authors： Sabet SF,Schnaitman CA

更新日期：1971-10-01 00:00:00

abstract：:Energy-coupling factor (ECF) transporters form a large group of vitamin uptake systems in prokaryotes. They are composed of highly diverse, substrate-specific, transmembrane proteins (S units), a ubiquitous transmembrane protein (T unit), and homo- or hetero-oligomeric ABC ATPases. Biotin transporters represent a spec...

journal_title：Journal of bacteriology

authors： Finkenwirth F,Kirsch F,Eitinger T

更新日期：2013-09-01 00:00:00

abstract：:Benzoyl coenzyme A (benzoyl-CoA) reductase is a key enzyme in the anaerobic metabolism of aromatic compounds catalyzing the ATP-driven reductive dearomatization of benzoyl-CoA. The enzyme from Thauera aromatica uses a reduced 2[4Fe-4S] ferredoxin as electron donor. In this work, we identified 2-oxoglutarate:ferredoxin...

journal_title：Journal of bacteriology

authors： Dörner E,Boll M

更新日期：2002-07-01 00:00:00

abstract：:Firshein, W. (Wesleyan University, Middletown, Conn.). Effects of deoxyribonucleic acid products on deoxyribonucleic acid synthesis of virulent and avirulent pneumococci. J. Bacteriol. 82:169-180. 1961.-Cell suspensions of virulent pneumococci synthesize a greater amount of deoxyribonucleic acid (DNA) per cell in the ...

journal_title：Journal of bacteriology

authors： FIRSHEIN W

更新日期：1961-08-01 00:00:00

abstract：:The chemical properties of the cell wall of Mycobacterium lepraemurium strain Hawaii were investigated. Five subunits of the cell wall, arabinose mycolate, mycolic acids, tetrapeptide (Ala-Gln-diaminopimelic acid-Ala), disaccharide (N-acetylglucosaminyl-beta-1,4-N-glycolylmuramic acid), and arabinogalactan, were obtai...

journal_title：Journal of bacteriology

authors： Azuma I,Yamamura Y,Tanaka Y,Kosaka K,Mori T

更新日期：1973-01-01 00:00:00

abstract：:By the use of [5'-32P]tRNA3Gly from Escherichia coli as a hybridization probe, glyW was located on cloned fragments of the uvrC pgsA region of the bacterial chromosome. After determination of the sites of action of several restriction enzymes, glyW was found to be within approximately 300 base pairs of pgsA. The order...

journal_title：Journal of bacteriology

authors： Tucker SD,Gopalakrishnan AS,Bollinger R,Dowhan W,Murgola EJ

更新日期：1982-11-01 00:00:00