Physiological responses of the hyperthermophilic archaeon "Pyrococcus abyssi" to DNA damage caused by ionizing radiation.

abstract：:The gammaproteobacterium Shewanella oneidensis MR-1 utilizes a complex electron transfer network composed primarily of c-type cytochromes to respire under anoxic conditions a variety of compounds, including fumarate, nitrate, and dimethyl sulfoxide (DMSO), in addition to the minerals Fe(III) and Mn(IV). Central to sev...

journal_title：Journal of bacteriology

authors： Cordova CD,Schicklberger MF,Yu Y,Spormann AM

更新日期：2011-05-01 00:00:00

abstract：:A 16-kb BamHI fragment of the lactose plasmid pNZ63 from Leuconostoc lactis NZ6009 was cloned in Escherichia coli MC1061 by using pACYC184 and was found to express a functional beta-galactosidase. Deletion and complementation analysis showed that the coding region for beta-galactosidase was located on a 5.8-kb SalI-Ba...

journal_title：Journal of bacteriology

authors： David S,Stevens H,van Riel M,Simons G,de Vos WM

更新日期：1992-07-01 00:00:00

abstract：:Physiological studies of a mutant of Escherichia coli lacking the three lytic transglycosylases Slt70, MltA, and MltB revealed that interference with murein turnover can prevent AmpC beta-lactamase induction. The triple mutant, although growing normally, shows a dramatically reduced rate of murein turnover. Despite th...

journal_title：Journal of bacteriology

authors： Kraft AR,Prabhu J,Ursinus A,Höltje JV

更新日期：1999-12-01 00:00:00

abstract：:Addition of purines to the growth medium of Escherichia coli represses synthesis of cytosine deaminase (codA) and enzymes of purine de novo synthesis. After Tn10 mutagenesis, mutants displaying derepressed levels of cytosine deaminase in the presence of hypoxanthine were isolated. One of these had simultaneously acqui...

journal_title：Journal of bacteriology

authors： Kilstrup M,Meng LM,Neuhard J,Nygaard P

更新日期：1989-04-01 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：:Con minus mutants, conjugation-defective mutants of Escherichia coli K-12, have been shown to be tolerant to colicins K and L. They map at approximately 14 min on the genetic map. The significance of the colicin tolerance of conjugation-defective mutants is discussed. ...

journal_title：Journal of bacteriology

authors： Davies JK,Reeves P

更新日期：1975-07-01 00:00:00

abstract：:Freeze-etching was applied to preparations, with and without glycerol, of Acinetobacter sp. strain MJT/F5/199A, consisting of intact cells after normal growth or after incubation with chloramphenicol, spheroplasts, and isolated cell walls and outer membranes. Etched preparations show that a regular array of subunits f...

journal_title：Journal of bacteriology

authors： Sleytr UB,Thornley MJ

更新日期：1973-12-01 00:00:00

abstract：:We report on the characterization of three new transcription units expressed during sporulation in Bacillus subtilis. Two of the units, cse15 and cse60, were mapped at about 123 degrees and 62 degrees on the genetic map, respectively. Their transcription commenced around h 2 of sporulation and showed an absolute requi...

journal_title：Journal of bacteriology

authors： Henriques AO,Bryan EM,Beall BW,Moran CP Jr

更新日期：1997-01-01 00:00:00

abstract：:Members of Thermococcales harbor a number of genes encoding putative aminotransferase Class III enzymes. Here, we characterized the TK1211 protein from the hyperthermophilic archaeon Thermococcus kodakarensis The TK1211 gene was expressed in T. kodakarensis under the control of the strong, constitutive promoter of the...

journal_title：Journal of bacteriology

authors： Zheng RC,Lu XF,Tomita H,Hachisuka SI,Zheng YG,Atomi H

更新日期：2021-01-19 00:00:00

abstract：:Lactococcus garvieae is the etiological agent of lactococcosis, one of the most important disease threats to the sustainability of the rainbow trout farming industry. Here, we present the draft genome sequence of Lactococcus garvieae strain 8831, isolated from diseased rainbow trout, which is composed of 2,087,276 bp ...

journal_title：Journal of bacteriology

authors： Aguado-Urda M,López-Campos GH,Gibello A,Cutuli MT,López-Alonso V,Fernández-Garayzábal JF,Blanco MM

更新日期：2011-08-01 00:00:00

abstract：:A new bacteriocin, termed lactococcin A (LCN-A), from Lactococcus lactis subsp. cremoris LMG 2130 was purified and sequenced. The polypeptide contained no unusual amino acids and showed no significant sequence similarity to other known proteins. Only lactococci were killed by the bacteriocin. Of more than 120 L. lacti...

journal_title：Journal of bacteriology

authors： Holo H,Nilssen O,Nes IF

更新日期：1991-06-01 00:00:00

abstract：:Using transposon Tn5-mediated mutagenesis, an essential Rhizobium meliloti nitrogen fixation (nif) gene was identified and located directly downstream of the regulatory gene nifA. Maxicell and DNA sequence analysis demonstrated that the new gene is transcribed in the same direction as nifA and codes for a 54-kilodalto...

journal_title：Journal of bacteriology

authors： Buikema WJ,Klingensmith JA,Gibbons SL,Ausubel FM

更新日期：1987-03-01 00:00:00

abstract：:Analysis of strains with deletions of all or part of nif have ordered the Klebsiella pneumoniae genetic loci as thi rbt dal udk gnd rfb has nif shiA. The his-nif plasmids pRD1 and pTM4010 contain the genes gnd rfb his nif shiA. ...

journal_title：Journal of bacteriology

authors： MacNeil D,Supiano MA,Brill WJ

更新日期：1979-06-01 00:00:00

abstract：:The filamentous cyanobacterium Microcoleus vaginatusis found in arid land soils worldwide. The genome of M. vaginatus strain FGP-2 allows exploration of genes involved in photosynthesis, desiccation tolerance, alkane production, and other features contributing to this organism's ability to function as a major componen...

journal_title：Journal of bacteriology

authors： Starkenburg SR,Reitenga KG,Freitas T,Johnson S,Chain PS,Garcia-Pichel F,Kuske CR

更新日期：2011-09-01 00:00:00

abstract：:Fertility factor F confers bacterial conjugation, a process which involves at least 20 tra genes. Resistance plasmids such as R100, R6-5, and R1 have homology with F in the tra region. Conjugal transfer of these plasmids is, however, repressed, while transfer of F is constitutive. Repression of R transfer is due to th...

journal_title：Journal of bacteriology

authors： Yoshioka Y,Ohtsubo H,Ohtsubo E

更新日期：1987-02-01 00:00:00

abstract：UNLABELLED:The transmembrane Tsr protein of Escherichia coli mediates chemotactic responses to environmental serine gradients. Serine binds to the periplasmic domain of the homodimeric Tsr molecule, promoting a small inward displacement of one transmembrane helix (TM2). TM2 piston displacements, in turn, modulate the s...

journal_title：Journal of bacteriology

authors： Kitanovic S,Ames P,Parkinson JS

更新日期：2015-08-01 00:00:00

abstract：UNLABELLED:Campylobacter jejuni is a leading cause of bacterial diarrheal disease and a frequent commensal of the intestinal tract in poultry and other animals. For optimal growth and colonization of hosts, C. jejuni employs two-component regulatory systems (TCSs) to monitor environmental conditions and promote proper ...

journal_title：Journal of bacteriology

authors： Luethy PM,Huynh S,Parker CT,Hendrixson DR

更新日期：2015-05-01 00:00:00

abstract：:A procedure is described for the purification of the Escherichia coli outer membrane (lipopolysaccharide or L membrane) with flagella still attached. The resulting lipopolysaccharide membrane was in the form of vesicles that had a trilaminar structure in thin section and contained about 55% lipopolysaccharide and 45% ...

journal_title：Journal of bacteriology

authors： DePamphilis ML,Adler J

更新日期：1971-01-01 00:00:00

abstract：:We describe the derivation of two strains of Salmonella typhimurium LT2 which are r- m+ for all three of the known chromosomal genes for the restriction and modification of DNA, hsdLT, hsdSA, and hsdSB; the strains were designated LB5000 and LB5010. LB5000 is a smooth derivative sensitive to phage P22; LB5010 is a gal...

journal_title：Journal of bacteriology

authors： Bullas LR,Ryu JI

更新日期：1983-10-01 00:00:00

abstract：:Diploid cells of Saccharomyces cerevisiae underwent meiosis and sporulation when placed in 1% potassium acetate sporulation medium. In unbuffered sporulation medium the pH rose very rapidly, reaching pH 8.4 after 2 h of sporulation. Under these conditions, the uptake of radioactive adenine and lysine was extremely lim...

journal_title：Journal of bacteriology

authors： McCusker JH,Haber JE

更新日期：1977-10-01 00:00:00

abstract：:Guanine is transported into germinated conidia of Neurospora crassa by the general purine base transport system. Guanine uptake is inhibited by adenine and hypoxanthine but not xanthine. Guanine phosphoribosyltransferase (GPRTase) activity was demonstrated in cell extracts of wild-type germinated conidia. The Km for g...

journal_title：Journal of bacteriology

authors： Magill CW,Sabina RL,Garber TL,Magill JM

更新日期：1982-03-01 00:00:00

abstract：:D-Ribose isomerase was purified and crystallized from cells of Mycobacterium smegmatis grown on either D-ribose or L-rhamnose. Isomerase activity for both of these sugars remained together throughout the purification. The isomerase from L-rhamnose-grown cells had the same chemical and physical properties as the enzyme...

journal_title：Journal of bacteriology

authors： Izumori K,Mitchell M,Elbein AD

更新日期：1976-04-01 00:00:00

abstract：:The PmrA/PmrB two-component system encoded by the pmrCAB operon regulates the modification of Salmonella enterica serovar Typhimurium lipopolysaccharide leading to polymyxin B resistance. PmrA and PhoP are the only known activators of pmrCAB. A transposon mutagenesis screen for additional regulators of a pmrC::MudJ fu...

journal_title：Journal of bacteriology

authors： Merighi M,Carroll-Portillo A,Septer AN,Bhatiya A,Gunn JS

更新日期：2006-01-01 00:00:00

abstract：:Streptococcus pyogenes, or group A Streptococcus (GAS), is both a pathogen and an asymptomatic colonizer of human hosts and produces a large number of surface-expressed and secreted factors that contribute to a variety of infection outcomes. The GAS-secreted cysteine protease SpeB has been well studied for its effects...

journal_title：Journal of bacteriology

authors： Carothers KE,Liang Z,Mayfield J,Donahue DL,Lee M,Boggess B,Ploplis VA,Castellino FJ,Lee SW

更新日期：2020-05-11 00:00:00

abstract：:PCR-based site-directed mutagenesis has been used to generate 38 alanine-substitution mutations in the C-terminal 41 amino acid residues of LuxR. This region plays a critical role in the mechanism of LuxR-dependent transcriptional activation of the Vibrio fischeri lux operon during quorum sensing. The ability of the v...

journal_title：Journal of bacteriology

authors： Trott AE,Stevens AM

更新日期：2001-01-01 00:00:00

abstract：:The halophilic bacterium Chromohalobacter salexigens synthesizes and accumulates compatible solutes in response to salt and temperature stress. (13)C-nuclear magnetic resonance analysis of cells grown in minimal medium at the limiting temperature of 45 degrees C revealed the presence of hydroxyectoine, ectoine, glutam...

journal_title：Journal of bacteriology

authors： García-Estepa R,Argandoña M,Reina-Bueno M,Capote N,Iglesias-Guerra F,Nieto JJ,Vargas C

更新日期：2006-06-01 00:00:00

abstract：:A highly efficient protoplast transformation system for Streptococcus faecalis has been developed by systematically optimizing different parameters. Up to 10(6) transformants per micrograms of DNA were consistently obtained within 3 days, and cell wall regeneration of protoplasts was virtually 100%. A systematic searc...

journal_title：Journal of bacteriology

authors： Wirth R,An FY,Clewell DB

更新日期：1986-03-01 00:00:00

abstract：:The gene encoding the outer membrane phosphate-selective porin protein P from Pseudomonas aeruginosa was cloned into Escherichia coli. The protein product was expressed and transported to the outer membrane of an E. coli phoE mutant and assembled into functional trimers. Expression of a product of the correct molecula...

journal_title：Journal of bacteriology

authors： Siehnel RJ,Worobec EA,Hancock RE

更新日期：1988-05-01 00:00:00

abstract：:DNA from the STA1 (extracellular glucoamylase) gene of Saccharomyces diastaticus was used as a probe to enable the cloning by colony hybridization of three DNA fragments from Saccharomyces cerevisiae; these were designated S1, S2, and SGA (intracellular, sporulation-specific glucoamylase gene). To examine the evolutio...

journal_title：Journal of bacteriology

authors： Yamashita I,Nakamura M,Fukui S

更新日期：1987-05-01 00:00:00

abstract：:Elongation factor Tu (EF-Tu), encoded by tuf genes, carries aminoacyl-tRNA to the ribosome during protein synthesis. Duplicated tuf genes (tufA and tufB), which are commonly found in enterobacterial species, usually coevolve via gene conversion and are very similar to one another. However, sequence analysis of tuf gen...

journal_title：Journal of bacteriology

authors： Isabel S,Leblanc E,Boissinot M,Boudreau DK,Grondin M,Picard FJ,Martel EA,Parham NJ,Chain PS,Bader DE,Mulvey MR,Bryden L,Roy PH,Ouellette M,Bergeron MG

更新日期：2008-11-01 00:00:00