Effect of temperature on Pseudomonas fluorescens chemotaxis.

abstract：:trpG of Bacillus subtilis encodes a glutamine amidotransferase subunit that is involved in the synthesis of both folic acid and L-tryptophan. Expression of trpG is negatively regulated by tryptophan even though this gene is located within a folic acid biosynthetic operon. Examination of both transcriptional and transl...

journal_title：Journal of bacteriology

authors： Yang M,de Saizieu A,van Loon AP,Gollnick P

更新日期：1995-08-01 00:00:00

abstract：:Aerobactin, a dihydroxamate siderophore produced by many strains of enteric bacteria, stimulated the growth of Neisseria gonorrhoeae FA19 and F62 in iron-limiting medium. However, gonococci did not produce detectable amounts of aerobactin in the Escherichia coli LG1522 aerobactin bioassay. We probed gonococcal genomic...

journal_title：Journal of bacteriology

authors： West SE,Sparling PF

更新日期：1987-08-01 00:00:00

abstract：:Using a quantitative assay for measuring chemotaxis, we tested a variety of sugars and sugar derivatives for their ability to attract Escherichia coli bacteria. The most effective attractants, i.e., those that have thresholds near 10(-5) M or below, are N-acetyl-d-glucosamine, 6-deoxy-d-glucose, d-fructose, d-fucose, ...

journal_title：Journal of bacteriology

authors： Adler J,Hazelbauer GL,Dahl MM

更新日期：1973-09-01 00:00:00

abstract：:The nucleotide sequence of a region located downstream of the nifB gene, both in the cyanobacterium Anabaena sp. strain PCC 7120 and in Rhizobium meliloti, has been determined. This region contains a gene (fdxN) whose predicted polypeptide product strongly resembles typical bacterial ferredoxins. Cyanobacteria have no...

journal_title：Journal of bacteriology

authors： Mulligan ME,Buikema WJ,Haselkorn R

更新日期：1988-09-01 00:00:00

abstract：:Deletions of the Escherichia coli K-12 chromosome between trpR and thr render the bacterium sensitive to the dye toluidine blue (Dye-), and if male (Hfr or F'), the strain is sterile (Fex-), failing to donate F' or chromosomal markers and resistant to male-specific phages as a consequence of its inability to elaborate...

journal_title：Journal of bacteriology

authors： Buxton RS,Drury LS

更新日期：1983-06-01 00:00:00

abstract：:Yeast mutants deficient in orotidine-5'-phosphate (OMP) pyrophosphorylase activity have been obtained. The gene encoding this enzyme is unlinked to the four pyrimidine genes previously described. The specific activity of OMP pyrophosphorylase remains constant under all of the physiological conditions used to repress, ...

journal_title：Journal of bacteriology

authors： Jund R,Lacroute F

更新日期：1972-01-01 00:00:00

abstract：:Mutations in carbohydrate-negative mutants of Pseudomonas aeruginosa PAO1 individually deficient in glucose 6-phosphate dehydrogenase (zwf), 6-phosphogluconate dehydratase (edd), or pyruvate carboxylase (pyc) were mapped on the chromosome by plasmid R68.45-mediated conjugation and by bacteriophage F116L-mediated trans...

journal_title：Journal of bacteriology

authors： Roehl RA,Feary TW,Phibbs PV Jr

更新日期：1983-12-01 00:00:00

abstract：:The inducible temperate bacteriophage phi75 and a clear-plaque-forming variant, phi75C1, mediated transduction of a 4.4 X 10(6)-dalton multicopy Bacillus pumilus plasmid, pPL10, at frequencies of 10(-5) to 10(-6) transductants per plaque-forming unit. phi75- and phi75C1-mediated transduction of several chromosome mark...

journal_title：Journal of bacteriology

authors： Bramucci MG,Lovett PS

更新日期：1977-09-01 00:00:00

abstract：:Certain oral treponemes express a highly proteolytic phenotype and have been associated with periodontal diseases. The periodontal pathogen Treponema denticola produces dentilisin, a serine protease of the subtilisin family. The two-gene operon prcA-prtP is required for expression of active dentilisin (PrtP), a putati...

journal_title：Journal of bacteriology

authors： Correia FF,Plummer AR,Ellen RP,Wyss C,Boches SK,Galvin JL,Paster BJ,Dewhirst FE

更新日期：2003-12-01 00:00:00

abstract：:Under static growth conditions, hyperpiliated, nontwitching pilT and pilU mutants of Pseudomonas aeruginosa formed dense biofilms, showing that adhesion, not twitching motility, is necessary for biofilm initiation. Under flow conditions, the pilT mutant formed mushroom-like structures larger than those of the wild typ...

journal_title：Journal of bacteriology

authors： Chiang P,Burrows LL

更新日期：2003-04-01 00:00:00

abstract：:Antiserum was made against a single 30S protein, 30S-7. The amount of complement fixed by total 30S protein in the presence of this antiserum indicated that protein 30S-7 was the major antigen in the mixture of proteins. Each of the 30S ribosomal proteins was tested for cross-reactivity with anti-30S-7. This was done ...

journal_title：Journal of bacteriology

authors： Strnad BC,Sypherd PS

更新日期：1971-11-01 00:00:00

abstract：:Plasmid pE194 has been shown to be rescued by integration after cultivation of infected Bacillus subtilis recE4 cells at a restrictive high temperature. The plasmid is also spontaneously excised from the chromosome at a low frequency by precise or imprecise excision (J. Hofemeister, M. Israeli-Reches, and D. Dubnau, M...

journal_title：Journal of bacteriology

authors： Conrad B,Bashkirov VI,Hofemeister J

更新日期：1992-11-01 00:00:00

abstract：:Antiserum prepared against protocatechuate 3, 4-dioxygenase from Pseudomonas aeruginosa forms precipitin bands without spurs with isofunctional enzymes from different strains of the fluorescent pseudomonads on immunodiffusion plates. Catalytic activity of the isofunctional enzymes was inhibited by an immunoglobulin fr...

journal_title：Journal of bacteriology

authors： Hou CT,Lillard MO

更新日期：1976-04-01 00:00:00

abstract：:Rod-shaped bacteria grow by a repetitive cycle of elongation followed by division, and the mechanisms responsible for these two processes have been studied for decades. However, little is known about what happens during the transition between the two activities. At least one event occurs after elongation ends and befo...

journal_title：Journal of bacteriology

authors： Potluri LP,Kannan S,Young KD

更新日期：2012-10-01 00:00:00

abstract：:The Escherichia coli pap genetic determinant includes 11 genes and encodes expression of Pap pili on the bacterial surface. An RNase E-dependent mRNA-processing event in the intercistronic papB-papA region results in the accumulation of a papA-gene-specific mRNA in considerable excess of the primary papB-papA mRNA tra...

journal_title：Journal of bacteriology

authors： Nilsson P,Naureckiene S,Uhlin BE

更新日期：1996-02-01 00:00:00

abstract：:Form I ribulose-1,5-bisphosphate carboxylase/oxygenase (RubisCO) of the Calvin-Benson-Bassham cycle may be divided into two broad phylogenetic groups, referred to as red-like and green-like, based on deduced large subunit amino acid sequences. Unlike the form I enzyme from the closely related organism Rhodobacter spha...

journal_title：Journal of bacteriology

authors： Horken KM,Tabita FR

更新日期：1999-07-01 00:00:00

abstract：:The antibacterial protein Colicin V (ColV) is secreted from gram-negative bacteria by a signal sequence-independent pathway. The proteins that mediate the export of ColV share sequence similarities with components from other signal sequence-independent export systems such as those for alpha-hemolysin (Hly) and Erwinia...

journal_title：Journal of bacteriology

authors： Fath MJ,Skvirsky RC,Kolter R

更新日期：1991-12-01 00:00:00

abstract：:Expression of the 146-kilodalton (kDa) extracellular glucoamylase by the budding yeast Schwanniomyces castellii is induced by maltose and starch. By use of antiglucoamylase antisera, we found that this expression was regulated at the level of the mRNA, taking place within 30 min after exposure of yeast cells to the re...

journal_title：Journal of bacteriology

authors： Dowhanick TM,Russell I,Scherer SW,Stewart GG,Seligy VL

更新日期：1990-05-01 00:00:00

abstract：:Scanning electron microscopy has been employed to examine events in the release and development of mitospores of the aquatic fungus, Allomyces arbuscula. Among the salient features of spore release from the mitosporangium is the digestion of the inner matrix of the exit papillum. Hydrolysis appears to begin at the out...

journal_title：Journal of bacteriology

authors： Seale TW,Delehanty J,Runyan RB

更新日期：1974-12-01 00:00:00

abstract：:Type 1 secretion systems (T1SS) are present in a wide range of Gram-negative bacteria and are involved in the secretion of diverse substrates such as proteases, lipases, and hemophores. T1SS consist of three proteins: an inner membrane ABC (ATP binding cassette) protein, a periplasmic adaptor, and an outer membrane ch...

journal_title：Journal of bacteriology

authors： Masi M,Wandersman C

更新日期：2010-08-01 00:00:00

abstract：:Kinsky, Stephen C. (Washington University, St. Louis, Mo.). Induction and repression of nitrate reductase in Neurospora crassa. J. Bacteriol. 82:898-904. 1961.-Techniques are described for studying induced enzyme formation in Neurospora crassa. The effects of various parameters (time, pH, nitrate concentration, etc.) ...

journal_title：Journal of bacteriology

authors： KINSKY SC

更新日期：1961-12-01 00:00:00

abstract：UNLABELLED:The gene encoding a nonoxidative decarboxylase capable of catalyzing the transformation of 2-hydroxy-1-naphthoic acid (2H1NA) to 2-naphthol was identified, recombinantly expressed, and purified to homogeneity. The putative gene sequence of the decarboxylase (hndA) encodes a 316-amino-acid protein (HndA) with...

journal_title：Journal of bacteriology

authors： Pal Chowdhury P,Basu S,Dutta A,Dutta TK

更新日期：2016-05-27 00:00:00

abstract：:Manganese is accumulated in Bacillus subtilis by a highly specific active transport system. This trace element "pump" is insensitive to added magnesium or calcium and preferentially accumulates manganese in the presence of cobalt, iron, and copper. Manganese uptake in B. subtilis is inhibited by cyanide, azide, pentac...

journal_title：Journal of bacteriology

authors： Eisenstadt E,Fisher S,Der CL,Silver S

更新日期：1973-03-01 00:00:00

abstract：:Lysozyme is an important component of the innate immune system. It functions by hydrolyzing the peptidoglycan (PG) layer of bacteria. The human pathogen Listeria monocytogenes is intrinsically lysozyme resistant. The peptidoglycan N-deacetylase PgdA and O-acetyltransferase OatA are two known factors contributing to it...

journal_title：Journal of bacteriology

authors： Rismondo J,Schulz LM,Yacoub M,Wadhawan A,Hoppert M,Dionne MS,Gründling A

更新日期：2021-01-25 00:00:00

abstract：:In Escherichia coli K-12, the rcsA and rcsB gene products are positive regulators in expression of the slime polysaccharide colanic acid. We have previously demonstrated the presence of rcsA sequences in E. coli K1 and K5, strains with group II capsular K antigens, and shown that introduction of multicopy rcsA into th...

journal_title：Journal of bacteriology

authors： Keenleyside WJ,Bronner D,Jann K,Jann B,Whitfield C

更新日期：1993-10-01 00:00:00

abstract：:Dworkin, Martin (Indiana University Medical Center, Indianapolis, Ind.). Nutritional requirements for vegetative growth of Myxococcus xanthus. J. Bacteriol. 84:250-257. 1962.-This investigation was part of a program to clarify the environmental regulation of fruiting-body formation in a fruiting myxobacterium. By use ...

journal_title：Journal of bacteriology

authors： DWORKIN M

更新日期：1962-08-01 00:00:00

abstract：:Analysis of rRNA genes in Vibrio fischeri indicates the presence of eight rRNA gene sets in this organism. It was found that the genes for 5S rRNA, 16S rRNA, and 23S rRNA are organized in operons in the following order: 5' end 16S rRNA 23S RNA 5S rRNA 3' end. Although the operons are homologous, they are not identical...

journal_title：Journal of bacteriology

authors： Amikam D,Kuhn J

更新日期：1987-05-01 00:00:00

abstract：:The role of the carboxy terminus of the Escherichia coli cell division protein FtsA in bacterial division has been studied by making a series of short sequential deletions spanning from residue 394 to 420. Deletions as short as 5 residues destroy the biological function of the protein. Residue W415 is essential for th...

journal_title：Journal of bacteriology

authors： Yim L,Vandenbussche G,Mingorance J,Rueda S,Casanova M,Ruysschaert JM,Vicente M

更新日期：2000-11-01 00:00:00

abstract：:The lipid intermediate in peptidoglycan biosynthesis was isolated from Escherichia coli strain W and characterized as C(55)-isoprenyl-pyrophosphoryl N-acetylmuramyl(-pentapeptide)-N-acetyl-glucosamine. ...

journal_title：Journal of bacteriology

authors： Umbreit JN,Strominger JL

更新日期：1972-12-01 00:00:00

abstract：:Bacterial cells sense the extracellular environment and adapt to that environment by activating gene regulation circuits, often by means of signaling molecules. The Serratia marcescens hemophore is a signaling molecule that acts as an extracellular heme-scavenging protein. The heme-loaded hemophore interacts with its ...

journal_title：Journal of bacteriology

authors： Cwerman H,Wandersman C,Biville F

更新日期：2006-05-01 00:00:00