Role of the catabolite activator protein in the maltose regulon of Escherichia coli.

abstract：:Ralston, D. J. (University of California, Berkeley) and M. D. Perry. Inhibitory action of phage K on staphylococcal dehydrogenases. II. Its possible relationship to sensitization and cell lysis. J. Bacteriol. 86:740-748. 1963.-By measuring the reduction of the dye triphenyl tetrazolium chloride to the insoluble red fo...

journal_title：Journal of bacteriology

authors： RALSTON DJ,PERRY MD

更新日期：1963-10-01 00:00:00

abstract：:We report a phenomenon similar to catabolite repression in Rhizobium meliloti. Succinate, which allows the highest observed rate of growth of R. meliloti, caused an immediate reduction of beta-galactosidase activity when added to cells growing in lactose. A Lac- mutant was unaltered in nodulation and nitrogen fixation...

journal_title：Journal of bacteriology

authors： Ucker DS,Signer ER

更新日期：1978-12-01 00:00:00

abstract：:Isolated cell envelopes of a marine bacterium, M.B.3, have been prepared which possess a nonspecific, cation-activated nucleotidase. The cell envelope comprises approximately 35% (dry weight) of the whole cell and contains protein, 60.2%; lipids, 20.7%; hexose, 3.4%; and ribonucleic acid, 4.6%. No deoxyribonucleic aci...

journal_title：Journal of bacteriology

authors： Thompson J,Green ML,Happold FC

更新日期：1969-09-01 00:00:00

abstract：:A phosphatase specific for the hydrolysis of 3-deoxy-d-manno-octulosonate (KDO)-8-phosphate was purified approximately 400-fold from crude extracts of Escherichia coli B. The hydrolysis of KDO-8-phosphate to KDO and inorganic phosphate in crude extracts of E. coli B, grown in phosphate-containing minimal medium, could...

journal_title：Journal of bacteriology

authors： Ray PH,Benedict CD

更新日期：1980-04-01 00:00:00

abstract：:The ability of Clostridium perfringens type A to produce an enterotoxin active in human food poisoning has been shown to be directly related to the ability of the organism to sporulate. Enterotoxin was produced only in a sporulation medium and not in a growth medium in which sporulation was repressed. Mutants with an ...

journal_title：Journal of bacteriology

authors： Duncan CL,Strong DH,Sebald M

更新日期：1972-04-01 00:00:00

abstract：:A mutant of Escherichia coli, previously shown to contain abnormal nucleoside triphosphate pools, was found to be defective in its ability to synthesize thymidine nucleotides. The defect is not in the enzyme thymidylate synthetase but in deoxycytidine triphosphate deaminase, an enzyme that supplies deoxyuridine monoph...

journal_title：Journal of bacteriology

authors： O'Donovan GA,Edlin G,Fuchs JA,Neuhard J,Thomassen E

更新日期：1971-02-01 00:00:00

abstract：:In Salmonella typhimurium the two enzymes of proline catabolism, proline oxidase and Delta(1)-pyrroline-5-carboxylic acid dehydrogenase, are subject to catabolite repression when the cells are grown in the presence of glucose. Mutants partially relieved of catabolite repression (PutR) for the proline catabolic enzymes...

journal_title：Journal of bacteriology

authors： Newell SL,Brill WJ

更新日期：1972-08-01 00:00:00

abstract：:Salmonella typhimurium was found to utilize 2-deoxyribose as a sole carbon and energy source. Cells grown in the presence of deoxyribose contained increased levels of deoxyribose kinase, thymidine phosphorylase, and two forms of deoxyribose-5-phosphate aldolase (DR5P aldolase). One form of DR5P aldolase was induced by...

journal_title：Journal of bacteriology

authors： Hoffee PA

更新日期：1968-02-01 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：:With the exception of Escherichia coli lysyl-tRNA synthetase, the genes coding for the different aminoacyl-tRNA synthetases in procaryotes are always unique. Here we report on the occurrence and cloning of two genes (thrSv and thrS2), both encoding functional threonyl-tRNA synthetase in Bacillus subtilis. The two prot...

journal_title：Journal of bacteriology

authors： Putzer H,Brakhage AA,Grunberg-Manago M

更新日期：1990-08-01 00:00:00

abstract：UNLABELLED:Succinic semialdehyde (SSA), an important metabolite of γ-aminobutyric acid (GABA), is a ligand of the repressor AttJ regulating the expression of the attJ-attKLM gene cluster in the plant pathogen Agrobacterium tumefaciens. While the response of A. tumefaciens to GABA and the function of attKLM have been ex...

journal_title：Journal of bacteriology

authors： Wang C,Tang D,Gao YG,Zhang LH

更新日期：2016-01-11 00:00:00

abstract：:Erwinia rhapontici is able to convert sucrose into isomaltulose (palatinose, 6-O-alpha-D-glucopyranosyl-D-fructose) and trehalulose (1-O-alpha-D-glucopyranosyl-D-fructose) by the activity of a sucrose isomerase. These sucrose isomers cannot be metabolized by plant cells and most other organisms and therefore are possi...

journal_title：Journal of bacteriology

authors： Börnke F,Hajirezaei M,Sonnewald U

更新日期：2001-04-01 00:00:00

abstract：:The effects of starving Escherichia coli for glucose and required amino acids were determined. The disappearance of the majority of the ribosomal population, particularly of the ribonucleic acid (RNA) moiety, was noted. The events during recovery are detailed, with emphasis placed on the timing, requirements, and cont...

journal_title：Journal of bacteriology

authors： Jacobson A,Gillespie D

更新日期：1968-03-01 00:00:00

abstract：:The 6th American Society for Microbiology Conference on Cell-Cell Communication in Bacteria convened from 16 to 19 October 2017 in Athens, GA. In this minireview, we highlight some of the research presented at that meeting that addresses central questions emerging in the field, including the following questions. How a...

journal_title：Journal of bacteriology

authors： Brown SP,Blackwell HE,Hammer BK

更新日期：2018-06-25 00:00:00

abstract：:Neurospora crassa mutants deficient in asparagine synthetase were selected by using the procedure of inositol-less death. Complementation tests among the 100 mutants isolated suggested that their alterations were genetically allelic. Recombination analysis with strain S1007t, an asparagine auxotroph, indicated that th...

journal_title：Journal of bacteriology

authors： MacPhee KG,Nelson RE,Schuster SM

更新日期：1983-10-01 00:00:00

abstract：:The sensitivity of Streptococcus faecalis (ATTC 8043) to S. zymogenes X-14 bacteriocin depends greatly on its physiological age. Sensitivity decreases from the mid-log phase on and is completely lost in the stationary phase. The sensitivity of erythrocytes to the hemolytic capacity of the bacteriocin showed considerab...

journal_title：Journal of bacteriology

authors： Basinger SF,Jackson RW

更新日期：1968-12-01 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：:In this study, we cloned the Pseudomonas aeruginosa zwf gene, encoding glucose-6-phosphate dehydrogenase (G6PDH), an enzyme that catalyzes the NAD+- or NADP+-dependent conversion of glucose-6-phosphate to 6-phosphogluconate. The predicted zwf gene product is 490 residues, which could form a tetramer with a molecular m...

journal_title：Journal of bacteriology

authors： Ma JF,Hager PW,Howell ML,Phibbs PV,Hassett DJ

更新日期：1998-04-01 00:00:00

abstract：:The raffinose (raf) operon is negatively controlled by the specific binding of raf repressor (rafR gene) to raf operator (rafO) DNA. Both rafR and rafO have been sequenced. The 1,011-base-pair rafR gene encodes a 336-amino-acid polypeptide containing an N-terminal helix-turn-helix motif. rafO, as defined by in vivo ti...

journal_title：Journal of bacteriology

authors： Aslanidis C,Schmitt R

更新日期：1990-04-01 00:00:00

abstract：:Bacterial biofilms are important in natural settings, biotechnology, and medicine. However, regulation of biofilm development and its persistence in different niches is complex and only partially understood. One key step during the biofilm life cycle is dispersal, when motile cells abandon the mature biofilm to spread...

journal_title：Journal of bacteriology

authors： Bartolini M,Cogliati S,Vileta D,Bauman C,Rateni L,Leñini C,Argañaraz F,Francisco M,Villalba JM,Steil L,Völker U,Grau R

更新日期：2018-12-20 00:00:00

abstract：:Alkaline phosphatase (APase) is induced as a culture enters stationary phase because of limiting phosphate. The results presented here show that expression of APase is regulated both negatively and positively. PhoP, a homolog of a family of bacterial transcription factors, and PhoR, a homolog of bacterial histidine pr...

journal_title：Journal of bacteriology

authors： Jensen KK,Sharkova E,Duggan MF,Qi Y,Koide A,Hoch JA,Hulett FM

更新日期：1993-06-01 00:00:00

abstract：:A systematic survey for the presence of plasmids in 17 different xenobiotic-degrading Sphingomonas strains was performed. In almost all analyzed strains, two to five plasmids with sizes of about 50 to 500 kb were detected by using pulsed-field gel electrophoresis. A comparison of plasmid preparations untreated or trea...

journal_title：Journal of bacteriology

authors： Basta T,Keck A,Klein J,Stolz A

更新日期：2004-06-01 00:00:00

abstract：:In Caulobacter crescentus, progression through the cell cycle is governed by the periodic activation and inactivation of the master regulator CtrA. Two phosphorelays, each initiating with the histidine kinase CckA, promote CtrA activation by driving its phosphorylation and by inactivating its proteolysis. Here, we exa...

journal_title：Journal of bacteriology

authors： Chen YE,Tsokos CG,Biondi EG,Perchuk BS,Laub MT

更新日期：2009-12-01 00:00:00

abstract：:The enzyme nicotinamide mononucleotide (NMN) adenylyltransferase (EC 2.7.7.1) catalyzes the synthesis of NAD+ and nicotinic acid adenine dinucleotide. It has been purified to homogeneity from cellular extracts of the thermophilic archaeon Sulfolobus solfataricus. Through a database search, a highly significant match w...

journal_title：Journal of bacteriology

authors： Raffaelli N,Pisani FM,Lorenzi T,Emanuelli M,Amici A,Ruggieri S,Magni G

更新日期：1997-12-01 00:00:00

abstract：:In this study, we demonstrated the remarkable genome plasticity of lytic lactococcal phages that allows them to rapidly adapt to the dynamic dairy environment. The lytic double-stranded DNA phage ul36 was used to sequentially infect a wild-type strain of Lactococcus lactis and two isogenic derivatives with genes encod...

journal_title：Journal of bacteriology

authors： Labrie SJ,Moineau S

更新日期：2007-02-01 00:00:00

abstract：:The Escherichia coli adhesin involved in diffuse adherence (AIDA-I) is one of the few glycosylated proteins found in Escherichia coli. Glycosylation is mediated by a specific heptosyltransferase encoded by the aah gene, but little is known about the role of this modification and the mechanism involved. In this study, ...

journal_title：Journal of bacteriology

authors： Charbonneau ME,Girard V,Nikolakakis A,Campos M,Berthiaume F,Dumas F,Lépine F,Mourez M

更新日期：2007-12-01 00:00:00

abstract：:Silicibacter sp. TM1040 is a member of the marine Roseobacter clade of Alphaproteobacteria that forms symbioses with unicellular eukaryotic phytoplankton, such as dinoflagellates. The symbiosis is complex and involves a series of steps that physiologically change highly motile bacteria into cells that readily form bio...

journal_title：Journal of bacteriology

authors： Belas R,Horikawa E,Aizawa S,Suvanasuthi R

更新日期：2009-07-01 00:00:00

abstract：:Xylella fastidiosa possesses both type I and type IV pili at the same cell pole. By use of a microfluidic device, the speed of twitching movement by wild-type cells on a glass surface against the flow direction of media was measured as 0.86 (standard error [SE], 0.04) microm min(-1). A type I pilus mutant (fimA) moved...

journal_title：Journal of bacteriology

authors： De La Fuente L,Burr TJ,Hoch HC

更新日期：2007-10-01 00:00:00

abstract：:We provide experimental evidence for RNase III-dependent processing in helix 9 of the 23S rRNA as a general feature of many species in the alpha subclass of Proteobacteria (alpha-Proteobacteria). We investigated 12 Rhodobacter, Rhizobium, Sinorhizobium, Rhodopseudomonas, and Bartonella strains. The processed region is...

journal_title：Journal of bacteriology

authors： Evguenieva-Hackenberg E,Klug G

更新日期：2000-09-01 00:00:00

abstract：:Entry into the host bacterial cell is one of the least understood steps in the life cycle of bacteriophages. The different envelopes of Gram-negative and Gram-positive bacteria, with a fluid outer membrane and exposing a thick peptidoglycan wall to the environment respectively, impose distinct challenges for bacteriop...

journal_title：Journal of bacteriology

authors： Jakutytė L,Baptista C,São-José C,Daugelavičius R,Carballido-López R,Tavares P

更新日期：2011-09-01 00:00:00