Specific binding of D1 protein degradation products to the psbAI promoter in Synechococcus sp. strain PCC 7942.

abstract：:Two chemotactic transducers for inorganic phosphate (P(i)), designated CtpH and CtpL, have been identified in Pseudomonas aeruginosa. The corresponding genes (ctpH and ctpL) were inactivated by inserting kanamycin and tetracycline resistance gene cassettes into the wild-type genes in the P. aeruginosa PAO1 genome. Com...

journal_title：Journal of bacteriology

authors： Wu H,Kato J,Kuroda A,Ikeda T,Takiguchi N,Ohtake H

更新日期：2000-06-01 00:00:00

abstract：:The electron transport system of Neisseria gonorrhoeae was partially characterized by using spectrophotometric, spectroscopic, and oxygen consumption measurements. The effects of selected electron transport inhibitors (amytal, rotenone, 2-heptyl-4-hydroxyquinoline, antimycin A1, and potassium cyanide [KCN]) on electro...

journal_title：Journal of bacteriology

authors： Kenimer EA,Lapp DF

更新日期：1978-05-01 00:00:00

abstract：:Sinorhizobium meliloti, a gram-negative soil bacterium, forms a nitrogen-fixing symbiotic relationship with members of the legume family. To facilitate our studies of transcription in S. meliloti, we cloned and characterized the gene for the alpha subunit of RNA polymerase (RNAP). S. meliloti rpoA encodes a 336-amino-...

journal_title：Journal of bacteriology

authors： Peck MC,Gaal T,Fisher RF,Gourse RL,Long SR

更新日期：2002-07-01 00:00:00

abstract：:Sequence flanking the bfpA locus on the enteroadherent factor plasmid of the enteropathogenic Escherichia coli (EPEC) strain B171-8 (O111:NM) was obtained to identify genes that might be required for bundle-forming pilus (BFP) biosynthesis. Deletion experiments led to the identification of a contiguous cluster of at l...

journal_title：Journal of bacteriology

authors： Sohel I,Puente JL,Ramer SW,Bieber D,Wu CY,Schoolnik GK

更新日期：1996-05-01 00:00:00

abstract：:Formation of photosynthesis complexes in Rhodobacter sphaeroides is regulated in a redox- and light-dependent manner by the AppA/PpsR and PrrB/PrrA systems. While on the one hand, blue light is sensed by the flavin adenine dinucleotide-binding BLUF domain of AppA, on the other, light is absorbed by bacteriochlorophyll...

journal_title：Journal of bacteriology

authors： Metz S,Jäger A,Klug G

更新日期：2009-07-01 00:00:00

abstract：:The genomes of most strains of Salmonella and Escherichia coli are highly conserved. In contrast, all 136 wild-type strains of Salmonella enterica serovar Typhi analyzed by partial digestion with I-CeuI (an endonuclease which cuts within the rrn operons) and pulsed-field gel electrophoresis and by PCR have rearrangeme...

journal_title：Journal of bacteriology

authors： Kothapalli S,Nair S,Alokam S,Pang T,Khakhria R,Woodward D,Johnson W,Stocker BA,Sanderson KE,Liu SL

更新日期：2005-04-01 00:00:00

abstract：:Controlled acetolysis of yeast mannans yields mixtures of oligosaccharides with (1-->2) and (1-->3) linkages between the mannose units, whereas the less stable (1-->6) linkages of the polysaccharide backbone are cleaved. The "fingerprints," obtained by gel filtration of the oligosaccharide mixtures, can be used to dis...

journal_title：Journal of bacteriology

authors： Kocourek J,Ballou CE

更新日期：1969-12-01 00:00:00

abstract：:A superfamily of transport proteins, which includes the lactose permease of Escherichia coli, contains a highly conserved motif, G-X-X-X-D/E-R/K-X-G-R/K-R/K, in the loops that connect transmembrane segments 2 and 3 and transmembrane segments 8 and 9. Previous analysis of this motif in the lactose permease (A. E. Jesse...

journal_title：Journal of bacteriology

authors： Jessen-Marshall AE,Parker NJ,Brooker RJ

更新日期：1997-04-01 00:00:00

abstract：:The fermentative alcohol dehydrogenase of Escherichia coli is encoded by the adhE gene, which is induced under anaerobic conditions but repressed in air. Previous work suggested that induction of adhE might depend on NADH levels. We therefore directly measured the NAD+ and NADH levels for cultures growing aerobically ...

journal_title：Journal of bacteriology

authors： Leonardo MR,Dailly Y,Clark DP

更新日期：1996-10-01 00:00:00

abstract：:Clostridium perfringens food poisoning is caused by type A isolates carrying a chromosomal enterotoxin (cpe) gene (C-cpe), while C. perfringens-associated non-food-borne gastrointestinal (GI) diseases are caused by isolates carrying a plasmid-borne cpe gene (P-cpe). C. perfringens spores are thought to be the importan...

journal_title：Journal of bacteriology

authors： Paredes-Sabja D,Torres JA,Setlow P,Sarker MR

更新日期：2008-02-01 00:00:00

abstract：:Type IV secretion systems (T4SS) mediate the transfer of DNA and protein substrates to target cells. TrwK, encoded by the conjugative plasmid R388, is a member of the VirB4 family, comprising the largest and most conserved proteins of T4SS. VirB4 was suggested to be an ATPase involved in energizing pilus assembly and ...

journal_title：Journal of bacteriology

authors： Arechaga I,Peña A,Zunzunegui S,del Carmen Fernández-Alonso M,Rivas G,de la Cruz F

更新日期：2008-08-01 00:00:00

abstract：:The O antigen of the Shigella flexneri lipopolysaccharide (LPS) is an important virulence determinant and immunogen. We have isolated S. flexneri mutants which produce a semi-rough LPS by using an O-antigen-specific phage, Sf6c. Western immunoblotting was used to show that the LPS produced by the semi-rough mutants co...

journal_title：Journal of bacteriology

authors： Morona R,Mavris M,Fallarino A,Manning PA

更新日期：1994-02-01 00:00:00

abstract：:We have developed a cytoduction assay to measure cell fusion quantitatively in the basidiomycete corn smut fungus Ustilago maydis. This assay employs a mutation conferring resistance to oligomycin that exhibits non-Mendelian inheritance and presumably affects the mitochondrial genome. After auxotrophic olir cells are ...

journal_title：Journal of bacteriology

authors： Trueheart J,Herskowitz I

更新日期：1992-12-01 00:00:00

abstract：:Listeria monocytogenes is a Gram-positive human intracellular pathogen that infects diverse mammalian cells. Upon invasion, L. monocytogenes secretes multiple virulence factors that target host cellular processes and promote infection. It has been presumed, but was not empirically established, that the Sec translocati...

journal_title：Journal of bacteriology

authors： Burg-Golani T,Pozniak Y,Rabinovich L,Sigal N,Nir Paz R,Herskovits AA

更新日期：2013-12-01 00:00:00

abstract：:Four cold-sensitive mutants of Escherichia coli have been isolated which show a reduced ability to synthesize deoxyribonucleic acid at low temperature. The mutants also have a reduced ability to incorporate nucleoside triphosphates into deoxyribonucleic acid at low temperature in cell preparations made permeable with ...

journal_title：Journal of bacteriology

authors： Wehr CT,Waskell L,Glaser DA

更新日期：1975-01-01 00:00:00

abstract：:Mycelial mats of Ascodesmis sphaerospora were fixed and embedded for electron microscopy, and thin sections of 1-mm blocks, taken from the 1st to the 7th mm behind the hyphal tips, were cut parallel to the long axis of the hyphae. The hyphal tip region is characterized by an outer zone of electron-transparent vesicles...

journal_title：Journal of bacteriology

authors： Brenner DM,Carroll GC

更新日期：1968-02-01 00:00:00

abstract：:Desulfovibrio vulgaris Hildenborough, a sulfate-reducing bacterium classified as an obligate anaerobe, swam to a preferred oxygen concentration of 0.02 to 0.04% (0.24 to 0.48 microM), a level which also supported growth. Oxygen concentrations of 0.08% and higher arrested growth. We propose that in zones of transition ...

journal_title：Journal of bacteriology

authors： Johnson MS,Zhulin IB,Gapuzan ME,Taylor BL

更新日期：1997-09-01 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：:The ends of the bacterial transposon gamma delta contain adjacent binding sites for gamma delta transposase and integration host factor (IHF). IHF+ and IHF- strains were used in conjunction with gamma delta transposon ends containing or lacking the site for IHF binding to determine the role that IHF plays in various g...

journal_title：Journal of bacteriology

authors： Wiater LA,Grindley ND

更新日期：1990-09-01 00:00:00

abstract：:Moat, Albert G. (Hahnemann Medical College, Philadelphia, Pa.), Isabel J. Barnes, and Eleanor H. McCurley. Factors affecting the survival of auxotrophs and prototrophs of Saccharomyces cerevisiae in mixed populations. J. Bacteriol. 92:297-301. 1966.-The conditions under which the number of yeast prototrophs, as well a...

journal_title：Journal of bacteriology

authors： Moat AG,Barnes IJ,McCurley EH

更新日期：1966-08-01 00:00:00

abstract：:The crystal structure of Escherichia coli PdxY, the protein product of the pdxY gene, has been determined to a 2.2-A resolution. PdxY is a member of the ribokinase superfamily of enzymes and has sequence homology with pyridoxal kinases that phosphorylate pyridoxal at the C-5' hydroxyl. The protein is a homodimer with ...

journal_title：Journal of bacteriology

authors： Safo MK,Musayev FN,Hunt S,di Salvo ML,Scarsdale N,Schirch V

更新日期：2004-12-01 00:00:00

abstract：:We report the use of a fusion to the green fluorescent protein to visualize the assembly of the morphogenetic protein SpoIVA around the developing forespore during the process of sporulation in the bacterium Bacillus subtilis. Using a deconvolution algorithm to process digitally-collected optical sections, we show tha...

journal_title：Journal of bacteriology

authors： Price KD,Losick R

更新日期：1999-02-01 00:00:00

abstract：:Coxiella burnetii is a Gram-negative, obligate intracellular bacterial pathogen that resides within the harsh, acidic confines of a lysosome-like compartment of the host cell that is termed a parasitophorous vacuole. In this study, we characterized a thiol-specific peroxidase of C. burnetii that belongs to the atypica...

journal_title：Journal of bacteriology

authors： Hicks LD,Raghavan R,Battisti JM,Minnick MF

更新日期：2010-04-01 00:00:00

abstract：:The anti-inflammatory drug phenylbutazone has been found to inhibit both engulfment and intracellular killing of E. coli by guinea pig peritoneal polymorphonuclear (PMN) leukocytes. The bactericidal activity of leukocytic homogenates was also inhibited by the drug. Addition of the drug at various time intervals to a p...

journal_title：Journal of bacteriology

authors： Strauss RR,Paul BB,Sbarra AJ

更新日期：1968-12-01 00:00:00

abstract：:In the chloroplasts of higher plants and algae, the biosynthesis of the chlorophyll precursor delta-aminolevulinic acid (ALA) involves at least three enzymes and a tRNA species. Here we demonstrate that in cell extracts of the unicellular cyanobacterium Synechocystis sp. strain PCC 6803 ALA was formed from glutamate i...

journal_title：Journal of bacteriology

authors： O'Neill GP,Peterson DM,Schön A,Chen MW,Söll D

更新日期：1988-09-01 00:00:00

abstract：:Amplification of the mraY gene, previously called open reading frame Y (ORF-Y, 1,080 bp), at 2 min in the chromosome map of Escherichia coli enhanced the activity of UDP-N-acetylmuramoyl-pentapeptide: undecaprenyl-phosphate phospho-N-acetylmuramoyl-pentapeptide transferase (EC 2.7.8.13). This enzyme catalyzes the form...

journal_title：Journal of bacteriology

authors： Ikeda M,Wachi M,Jung HK,Ishino F,Matsuhashi M

更新日期：1991-02-01 00:00:00

abstract：:The lining of the maltodextrin-specific maltoporin (LamB) channel exhibits a string of aromatic residues, the greasy slide, part of which has been shown previously by crystallography to be involved in substrate binding. To probe the functional role of the greasy slide, alanine scanning mutagenesis has been performed o...

journal_title：Journal of bacteriology

authors： Van Gelder P,Dumas F,Bartoldus I,Saint N,Prilipov A,Winterhalter M,Wang Y,Philippsen A,Rosenbusch JP,Schirmer T

更新日期：2002-06-01 00:00:00

abstract：:The biosynthesis of asparaginase II in Saccharomyces cerevisiae is subject to nitrogen catabolite repression. In the present study we examined the physiological effects of glutamate auxotrophy on cellular metabolism and on the nitrogen catabolite repression of asparaginase II. Glutamate auxotrophic cells, incubated wi...

journal_title：Journal of bacteriology

authors： Kang L,Keeler ML,Dunlop PC,Roon RJ

更新日期：1982-07-01 00:00:00

abstract：:A key reaction in the biosynthesis of menaquinone involves the conversion of the soluble bicyclic naphthalenoid compound 1, 4-dihydroxy-2-naphthoic acid (DHNA) to the membrane-bound demethylmenaquinone. The enzyme catalyzing this reaction, DHNA-octaprenyltransferase, attaches a 40-carbon side chain to DHNA. The menA g...

journal_title：Journal of bacteriology

authors： Suvarna K,Stevenson D,Meganathan R,Hudspeth ME

更新日期：1998-05-01 00:00:00

abstract：:Pantothenate kinase (CoaA) is a key regulator of coenzyme A (CoA) biosynthesis in Escherichia coli, and its activity is controlled by feedback inhibition by CoA and its thioesters. The importance of feedback inhibition in the control of the intracellular CoA levels was tested by constructing three site-directed mutant...

journal_title：Journal of bacteriology

authors： Rock CO,Park HW,Jackowski S

更新日期：2003-06-01 00:00:00