N-Acyl-L-homoserine lactone autoinducers control production of an extracellular lipopeptide biosurfactant required for swarming motility of Serratia liquefaciens MG1.

abstract：:In acetate-limited chemostat cultures started with single-colony cultures of Thiobacillus versutus, a mutant appeared after approximately 85 volume changes. The inhomogeneity of the culture was detected by the development of two different types of colonies on agar plates. When a pure culture of the mutant was grown in...

journal_title：Journal of bacteriology

authors： Claassen PA,Kortstee GJ,Oosterveld-van Vliet WM,van Neerven AR

更新日期：1986-11-01 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：:A fusion constructed between the putative attenuator plus the first 219 nucleotides of the ermC (erythromycin resistance) structural gene and a 5' terminally deleted lacZ gene produced a moderate, basal level of beta-galactosidase which was increased by erythromycin addition. Another construction containing an intact ...

journal_title：Journal of bacteriology

authors： Kirsch DR,Lai MH

更新日期：1984-07-01 00:00:00

abstract：:Protoanemonin is a toxic metabolite which may be formed during the degradation of some chloroaromatic compounds, such as polychlorinated biphenyls, by natural microbial consortia. We show here that protoanemonin can be transformed by dienelactone hydrolase of Pseudomonas sp. strain B13 to cis-acetylacrylate. Although ...

journal_title：Journal of bacteriology

authors： Brückmann M,Blasco R,Timmis KN,Pieper DH

更新日期：1998-01-01 00:00:00

abstract：:Prokaryotic organisms occupy the most diverse set of environments and conditions on our planet. Their ability to sense and respond to a broad range of external cues remain key research areas in modern microbiology, central to behaviors that underlie beneficial and pathogenic interactions of bacteria with multicellular...

journal_title：Journal of bacteriology

authors： Watts KJ,Vaknin A,Fuqua C,Kazmierczak BI

更新日期：2019-09-20 00:00:00

abstract：:The nucleotide sequence of the DNA encoding the ADP-ribosyltransferase (A1) fragment of cholera enterotoxin was determined. A putative precursor of the A1 peptide contains an 18-amino acid leader peptide, and the mature A1 peptide contains 194 amino acids. The primary structure of the A1 fragment from cholera enteroto...

journal_title：Journal of bacteriology

authors： Lockman HA,Galen JE,Kaper JB

更新日期：1984-09-01 00:00:00

abstract：:Expression of the lysine decarboxylase gene (cadA) of Escherichia coli is induced upon external acidification. To dissect the molecular mechanisms responsible for this regulation, we analyzed a 4.2-kbp region upstream from cadA. DNA sequencing revealed two long open reading frames upstream of and on the same strand as...

journal_title：Journal of bacteriology

authors： Watson N,Dunyak DS,Rosey EL,Slonczewski JL,Olson ER

更新日期：1992-01-01 00:00:00

abstract：:Due in large part to their ability to facilitate the diffusion of a diverse range of solutes across the outer membrane (OM) of Gram-negative bacteria, the porins represent one of the most prominent and important bacterial membrane protein superfamilies. Notably, for the Gram-negative bacterium Desulfovibrio vulgaris H...

journal_title：Journal of bacteriology

authors： Zeng L,Wooton E,Stahl DA,Walian PJ

更新日期：2017-10-31 00:00:00

abstract：:The genomic organization of Bordetella pertussis strains has been examined by using a new method. This method does not depend on the prior determination of a restriction map of the bacterial chromosome but is based on the ability to measure directly the distance between two genes. This is accomplished through the inte...

journal_title：Journal of bacteriology

authors： Stibitz S,Yang MS

更新日期：1997-09-01 00:00:00

abstract：:Cultures of isocitrate dehydrogenase-deficient (icd) mutants were overgrown by double mutants (icd glt) lacking citrate synthase activity also. The icd mutants grew more slowly than wild-type cells or the double mutants because they accumulated an inhibitory metabolite (possibly citrate). Intracellular citrate levels ...

journal_title：Journal of bacteriology

authors： Lakshmi TM,Helling RB

更新日期：1976-07-01 00:00:00

abstract：:From the marine sponge Halichondria panicea a lectin was isolated and characterized. The homogeneous lectin (composed of protein to 80.7% and of neutral carbohydrates to 14.1%) had a molecular weight of 78,000 (determined by gel filtration) and consisted of four subunits with a molecular weight of 21,000 each (determi...

journal_title：Journal of bacteriology

authors： Müller WE,Zahn RK,Kurelec B,Lucu C,Müller I,Uhlenbruck G

更新日期：1981-01-01 00:00:00

abstract：:The glnA mRNA, encoding glutamine synthetase, is differentially accumulated in the cyanobacterium Synechococcus sp. strain PCC 7942 in media containing different nitrogen sources. With the different nitrogen compounds, transcription of glnA initiated at a single site located -146 nucleotides upstream of the translatio...

journal_title：Journal of bacteriology

authors： Cohen-Kupiec R,Gurevitz M,Zilberstein A

更新日期：1993-12-01 00:00:00

abstract：:Gene sequences encoding the enzymes UDP-N-acetylglucosamine enolpyruvyl transferase (MurA) from many bacterial sources were analyzed. It was shown that whereas gram-negative bacteria have only one murA gene, gram-positive bacteria have two distinct genes encoding these enzymes which have possibly arisen from gene dupl...

journal_title：Journal of bacteriology

authors： Du W,Brown JR,Sylvester DR,Huang J,Chalker AF,So CY,Holmes DJ,Payne DJ,Wallis NG

更新日期：2000-08-01 00:00:00

abstract：:Arai, Tadashi (Chiba University, Chiba, Japan), Shyuko Kuroda, and Michio Ito. Possible utility of a fluorescent antibody technique in the serological identification of antagonistic Streptomyces. J. Bacteriol. 83:20-26. 1962.-The indirect fluorescent antibody technique was extended to the serological investigation of ...

journal_title：Journal of bacteriology

authors： ARAI T,KURODA S,ITO M

更新日期：1962-01-01 00:00:00

abstract：:PB15 is an Hfr strain of Escherichia coli K-12. It arose from an F' strain carrying a temperature-sensitive F-gal by an event which blocked the detachment of F-gal in the normally reversible integration process. In PB15, the detachment of F-gal by a second mechanism can now be detected: this mechanism results in the e...

journal_title：Journal of bacteriology

authors： Bergquist PL,Adelberg EA

更新日期：1972-07-01 00:00:00

abstract：:Incubation of ultraviolet-irradiated Escherichia coli B/r cultures with 0.7% Triton X-100 resulted in a large decrease in turbidity. Under phase-contrast optics, most of the irradiated detergent-treated cells were smaller than normal and of low phase density; only a small percentage were normal or larger than normal a...

journal_title：Journal of bacteriology

authors： Schenley RL,Fisher WD,Swenson PA,Khachatourians GG

更新日期：1976-05-01 00:00:00

abstract：:Transcriptional regulation of the Mg(2+)-citrate transporter, CitM, the main citrate uptake system of Bacillus subtilis, was studied during growth in rich medium. Citrate in the growth medium was required for induction under all growth conditions. In Luria-Bertani medium containing citrate, citM expression was complet...

journal_title：Journal of bacteriology

authors： Warner JB,Magni C,Lolkema JS

更新日期：2003-02-01 00:00:00

abstract：:A mutant of the yeast Saccharomyces cerevisiae that is deficient in pyruvate kinase activity has been isolated. The mutant strain is capable of growth when supplied with lactate as the carbon source but not capable of growth when supplied with dextrose or other fermentable sugars or glycerol as the carbon source. Gene...

journal_title：Journal of bacteriology

authors： Sprague GF Jr

更新日期：1977-04-01 00:00:00

abstract：:In previous work, we characterized the bases in an iteron of plasmid R6K that are important for the binding of pi protein monomers and dimers. Here we investigate the following six amino acids of pi, encoded by pir, hypothesized to be important for DNA contact: Ser71, Try74, Gly131, Gly211, Arg225, and Arg254. ...

journal_title：Journal of bacteriology

authors： Kunnimalaiyaan S,Rakowski SA,Filutowicz M

更新日期：2007-07-01 00:00:00

abstract：:Clusters of cytoplasmic vesicles resembling those in growing hyphal apices of mycelial fungi are found near the tips of buds in three heterobasidiomycetous yeasts, Rhodotorula glutinis, Candida scottii, and Sporobolomyces salmonicolor. ...

journal_title：Journal of bacteriology

authors： McCully EK,Bracker CE

更新日期：1972-02-01 00:00:00

abstract：:The iota(a) component (i(a)) of Clostridium perfringens ADP ribosylates nonmuscle beta/gamma actin and skeletal muscle alpha-actin. Replacement of Arg-295 in i(a) with alanine led to a complete loss of NAD(+)-glycohydrolase (NADase) and ADP-ribosyltransferase (ARTase); that of the residue with lysine caused a drastic ...

journal_title：Journal of bacteriology

authors： Nagahama M,Sakaguchi Y,Kobayashi K,Ochi S,Sakurai J

更新日期：2000-04-01 00:00:00

abstract：:Maintaining cell envelope integrity is critical for bacterial survival, including bacteria living in a complex and dynamic environment such as the human oral cavity. Streptococcus mutans, a major etiological agent of dental caries, uses two-component signal transduction systems (TCSTSs) to monitor and respond to vario...

journal_title：Journal of bacteriology

authors： Suntharalingam P,Senadheera MD,Mair RW,Lévesque CM,Cvitkovitch DG

更新日期：2009-05-01 00:00:00

abstract：:The virulence of Staphylococcus aureus is controlled by the accessory gene regulator (agr) system, including an extracellular inducer encoded by agrD. Variable agr PCR restriction fragment length polymorphism (RFLP) patterns of unique S. aureus strains (n = 192) were determined for a region comprising agrD and parts o...

journal_title：Journal of bacteriology

authors： van Leeuwen W,van Nieuwenhuizen W,Gijzen C,Verbrugh H,van Belkum A

更新日期：2000-10-01 00:00:00

abstract：:We performed a systematic survey of transcription of a large region of the Rhizobium meliloti symbiotic plasmid pSym. This led to the discovery of two new sequences induced during symbiosis. The first sequence was linked to the known nitrogen fixation (nif-fix) gene cluster, and its expression depended on the nifA gen...

journal_title：Journal of bacteriology

authors： David M,Domergue O,Pognonec P,Kahn D

更新日期：1987-05-01 00:00:00

abstract：:Several mutants of Bacillus subtilis deficient in catalase synthesis generated by nitrosoguanidine mutagenesis have been used to map a locus affecting catalase activity. Two- and three-factor bacteriophage PBS1 transductional crosses were used to locate the locus, named katA, between recH and thiA with 98% linkage to ...

journal_title：Journal of bacteriology

authors： Loewen PC,Switala J

更新日期：1987-12-01 00:00:00

abstract：:Pep 5 and nisin are cationic peptide antibiotics which in addition to their membrane-disruptive action induce autolysis in staphylococci. To investigate the mechanism of lysis induction, the influence of the peptides on the activity of the N-acetylmuramoyl-L-alanine amidase of Staphylococcus simulans 22 was studied. I...

journal_title：Journal of bacteriology

authors： Bierbaum G,Sahl HG

更新日期：1987-12-01 00:00:00

abstract：:Entomopathogenic bacteria of the genus Photorhabdus harbor a type III secretion system. This system was probably acquired prior to the separation of the species within this genus. Furthermore, the core components of the secretion machinery are highly conserved but the predicted effectors differ between Photorhabdus lu...

journal_title：Journal of bacteriology

authors： Brugirard-Ricaud K,Givaudan A,Parkhill J,Boemare N,Kunst F,Zumbihl R,Duchaud E

更新日期：2004-07-01 00:00:00

abstract：:Twenty-four independent phosphate starvation-inducible (psi) transcriptional fusions made with Mu d1(lacZbla) were analyzed by sequencing the psi::lacZ(Mu d1) chromosomal junctions by using DNAs amplified with the polymerase chain reaction or mini-Mu cloning. Our DNA sequence analysis showed that the MuR DNA in Mu d1 ...

journal_title：Journal of bacteriology

authors： Metcalf WW,Steed PM,Wanner BL

更新日期：1990-06-01 00:00:00

abstract：:Bile acids are surface-active steroid compounds with toxic effects for bacteria. Recently, the isolation and characterization of a bacterium, Pseudomonas sp. strain Chol1, growing with bile acids as the carbon and energy source was reported. In this study, initial reactions of the aerobic degradation pathway for the b...

journal_title：Journal of bacteriology

authors： Birkenmaier A,Holert J,Erdbrink H,Moeller HM,Friemel A,Schoenenberger R,Suter MJ,Klebensberger J,Philipp B

更新日期：2007-10-01 00:00:00

abstract：:The multifunctional 6-methylsalicylic acid synthase gene from Penicillium patulum was engineered for regulated expression in Streptomyces coelicolor. Production of significant amounts of 6-methylsalicylic acid by the recombinant strain was proven by nuclear magnetic resonance spectroscopy. These results suggest that i...

journal_title：Journal of bacteriology

authors： Bedford DJ,Schweizer E,Hopwood DA,Khosla C

更新日期：1995-08-01 00:00:00