Branched-chain amino acid biosynthesis genes in Lactococcus lactis subsp. lactis.

abstract：:Two primary alcohols (1-butanol and ethanol) are major fermentation products of several clostridial species. In addition to these two alcohols, the secondary alcohol 2-propanol is produced to a concentration of about 100 mM by some strains of Clostridium beijerinckii. An alcohol dehydrogenase (ADH) has been purified t...

journal_title：Journal of bacteriology

authors： Ismaiel AA,Zhu CX,Colby GD,Chen JS

更新日期：1993-08-01 00:00:00

abstract：:Irradiated L cells infected with Rickettsia tsutsugamushi were studied under the electron microscope to define the morphological growth pattern of the organism. For 2 days after inoculation, no rickettsiae were found either extra- or intracellularly; after 2 days multiple rickettsiae appeared within the host cells wit...

journal_title：Journal of bacteriology

authors： Hase T

更新日期：1983-05-01 00:00:00

abstract：:Bacteriocins are ribosomally synthesized proteinaceous antibacterial peptides. They selectively interfere with the growth of other bacteria. The production and secretion of bacteriocins confer a distinct ecological advantage to the producer in competing against other bacteria that are present in the same ecological ni...

journal_title：Journal of bacteriology

authors： Dufour D,Barbour A,Chan Y,Cheng M,Rahman T,Thorburn M,Stewart C,Finer Y,Gong SG,Lévesque CM

更新日期：2020-05-27 00:00:00

abstract：:Among 69 ColE3 mutant plasmids selected on the basis of their inability to produce an active colicin, seven (cop-1 to cop-7) were found to bear a mutation affecting the structural gene for colicin. Three of these (cop-1, cop-2 and cop-3) lead to the production of an inactive colicin molecule which has the same molecul...

journal_title：Journal of bacteriology

authors： Mock M,Schwartz M

更新日期：1980-05-01 00:00:00

abstract：:Two mutations concerned with mannan biosynthesis in the yeast Saccharomyces cerevisiae have been mapping. The mnn2 mutation, which affects the addition to the polysaccharide backbone of the first side-chain D-mannose unit in alpha1-leads to2 linkage, was located on chromosome II linked to the centromere and the gall l...

journal_title：Journal of bacteriology

authors： Ballou DL

更新日期：1975-08-01 00:00:00

abstract：:The genes that encode the two subunits of Bacillus subtilis phenylalanyl-tRNA synthetase were cloned from alpha lambda library of chromosomal B. subtilis DNA by specific complementation of a thermosensitive Escherichia coli pheS mutation. Both genes (we named them pheS and pheT, analogous to the corresponding genes of...

journal_title：Journal of bacteriology

authors： Brakhage AA,Putzer H,Shazand K,Röschenthaler RJ,Grunberg-Manago M

更新日期：1989-02-01 00:00:00

abstract：:Two strains of Staphylococcus aureus (PC1 and 196E), when grown in medium containing 0.002% sodium dodecyl sulfate (SDS), showed from 96.1 to 100% loss of the ability to produce penicillinase. Resistance to cadmium and zinc was lost concomitantly with the ability to produce penicillinase. A comparison of the rate of c...

journal_title：Journal of bacteriology

authors： Sonstein SA,Baldwin JN

更新日期：1972-01-01 00:00:00

abstract：:Two-micrometer deoxyribonucleic acid (DNA), a circular plasmid of Saccharomyces cerevisiae, contains two nontandem repeated sequences which are inverted with respect to one another. These repeated sequences together account for 21% of the molecule length. Restriction endonuclease analysis and electron microscopy demon...

journal_title：Journal of bacteriology

authors： Livingston DM,Klein HL

更新日期：1977-01-01 00:00:00

abstract：UNLABELLED:Many bacteria utilize actin-like proteins to direct peptidoglycan (PG) synthesis. MreB and MreB-like proteins are thought to act as scaffolds, guiding the localization and activity of key PG-synthesizing proteins during cell elongation. Despite their critical role in viability and cell shape maintenance, ver...

journal_title：Journal of bacteriology

authors： Duan Y,Sperber AM,Herman JK

更新日期：2016-07-13 00:00:00

abstract：:Multicopy single-stranded DNA is found as a small single-stranded RNA-DNA complex in certain wild-type strains of Escherichia coli as well as in other gram-negative bacteria. Using the promoter region of the previously characterized retron-Ec107 from E. coli ECOR70, I constructed a chromosomally located lacZ operon fu...

journal_title：Journal of bacteriology

authors： Herzer PJ

更新日期：1996-08-01 00:00:00

abstract：:During sporulation, the Bacillus subtilis transcription factor sigmaK is activated by regulated proteolytic processing. I have used a system that facilitates the analysis of the contributions of a modified form of the processing enzyme, SpoIVFB-GFP, and the regulatory proteins BofA and SpoIVFA to the conversion of pro...

journal_title：Journal of bacteriology

authors： Resnekov O

更新日期：1999-09-01 00:00:00

abstract：:THREE PREVIOUSLY STUDIED R FACTORS WERE USED: 222/R4, controlling transmissible resistance to sulfonamide, streptomycin, chloromycetin, and tetracycline (SU(r) SM(r) CM(r) TC(r)); 222/R3, a derivative of 222/R4 (now termed 222/R3W) having lost TC(r); and R15, controlling infectious resistance to SU and SM only. Two ty...

journal_title：Journal of bacteriology

authors： Nisioka T,Mitani M,Clowes RC

更新日期：1970-07-01 00:00:00

abstract：:Alcohol-oxidizing enzymes of the facultative methylotroph PAR were investigated after growth of the bacteria on methanol and ethanol. During methanol growth only a phenazine methosulfate-linked alcohol dehydrogenase was detected. This enzyme had broad specificity for primary alcohols and was also capable of oxidation ...

journal_title：Journal of bacteriology

authors： Bellion E,Wu GT

更新日期：1978-07-01 00:00:00

abstract：:Thiobacillus neapolitanus, when grown in continuous culture with thiosulfate limiting growth, possessed an apparent maximal molar growth yield of 8.0 g (dry weight) per mole of thiosulfate. The substrate requirement for energy of maintenance was the highest yet reported, amounting to 21.8 mmoles of thiosulfate per g p...

journal_title：Journal of bacteriology

authors： Hempfling WP,Vishniac W

更新日期：1967-03-01 00:00:00

abstract：:This study describes the isolation and characterization of a unique class of TolC mutants that, under steady-state growth conditions, secreted normal levels of largely inactive alpha-hemolysin. Unlike the reduced activity in the culture supernatants, the cell-associated hemolytic activity in these mutants was identica...

journal_title：Journal of bacteriology

authors： Vakharia H,German GJ,Misra R

更新日期：2001-12-01 00:00:00

abstract：:Growth of Streptococcus faecalis in the presence of l-malate resulted in the induction of a "malic enzyme" [l-malate:nicotinamide adenine dinucleotide (NAD) oxidoreductase (decarboxylating), E.C. 1.1.1.39]. Synthesis of the malic enzyme did not appear to be subject to catabolite repression by intermediate products of ...

journal_title：Journal of bacteriology

authors： London J,Meyer EY

更新日期：1969-05-01 00:00:00

abstract：:Burkholderia cepacia AC1100 metabolizes 2,4,5-trichlorophenoxyacetic acid (2,4,5-T) via formation of 5-chlorohydroxyquinol (5-CHQ), hydroxyquinol (HQ), maleylacetate, and beta-oxoadipate. The step(s) leading to the dechlorination of 5-CHQ to HQ has remained unidentified. We demonstrate that a dechlorinating enzyme, Tf...

journal_title：Journal of bacteriology

authors： Zaborina O,Daubaras DL,Zago A,Xun L,Saido K,Klem T,Nikolic D,Chakrabarty AM

更新日期：1998-09-01 00:00:00

abstract：:Transcription of an aqpZ-lac fusion in a single copy on the Escherichia coli chromosome increased as cells entered the stationary growth phase. This was true in a variety of media, and increased transcription in enriched medium required the RpoS sigma factor. Expression of the aqpZ-lac fusion was not affected by up- o...

journal_title：Journal of bacteriology

authors： Soupene E,King N,Lee H,Kustu S

更新日期：2002-08-01 00:00:00

abstract：:Electron cryotomography was used to analyze the structure of the Lyme disease spirochete, Borrelia burgdorferi. This methodology offers a new means for studying the native architecture of bacteria by eliminating the chemical fixing, dehydration, and staining steps of conventional electron microscopy. Using electron cr...

journal_title：Journal of bacteriology

authors： Charon NW,Goldstein SF,Marko M,Hsieh C,Gebhardt LL,Motaleb MA,Wolgemuth CW,Limberger RJ,Rowe N

更新日期：2009-01-01 00:00:00

abstract：:Our whole-genome microarray studies of Neisseria meningitidis MC58 previously identified a set of 153 genes whose transcription was activated during growth in iron. In this study, Fur-mediated regulation of the iron-activated nspA gene was confirmed, whereas iron-activated regulation of the secY gene was demonstrated ...

journal_title：Journal of bacteriology

authors： Shaik YB,Grogan S,Davey M,Sebastian S,Goswami S,Szmigielski B,Genco CA

更新日期：2007-01-01 00:00:00

abstract：:Uptake of cobalamins and iron chelates in Escherichia coli K-12 is dependent on specific outer membrane transport proteins and the energy-coupling function provided by the TonB protein. The btuB product is the outer membrane receptor for cobalamins, bacteriophage BF23, and the E colicins. A short sequence near the ami...

journal_title：Journal of bacteriology

authors： Gudmundsdottir A,Bell PE,Lundrigan MD,Bradbeer C,Kadner RJ

更新日期：1989-12-01 00:00:00

abstract：:An electron microscopy study has been made of the effects of dissolution of the plasma membrane of Escherichia coli with sodium dodecyl sulfate (SDS) on the organization of the nucleoplasm and the cytoplasm. The alterations observed in time course experiments were related to absorbance changes and to release of macrom...

journal_title：Journal of bacteriology

authors： Woldringh CL,van Iterson W

更新日期：1972-09-01 00:00:00

abstract：:A comparison of the spectra of spontaneous growth-dependent and adaptive mutations in ebgR shows that both spectra are dominated by insertion sequence (IS)-mediated mutations. The difference between growth-dependent mutations (61% IS mediated) and adaptive mutations (80% IS mediated) is highly significant (P < 0.0001)...

journal_title：Journal of bacteriology

authors： Hall BG

更新日期：1999-02-01 00:00:00

abstract：:The vitamin requirements of the group Q streptococci (Streptococcus avium) and the established enterococcal species (S. faecalis and S. faecium) paralleled one another, although S. avium did not characteristically require riboflavine or pyridoxal. S. avium was further differentiated in that it required thymine for gro...

journal_title：Journal of bacteriology

authors： Nowlan SS,Deibel RH

更新日期：1967-08-01 00:00:00

abstract：:Lambda transducing phage gamma 16-2 carries the genes envA, ftsZ, ftsA, ddl, and murC and directs the synthesis of six unique proteins in ultraviolet-irradiated cells. Various derivatives of gamma 16-2 carrying smaller segments of the bacterial deoxyribonucleic acid have also been analyzed for their capacity to direct...

journal_title：Journal of bacteriology

authors： Lutkenhaus JF,Wu HC

更新日期：1980-09-01 00:00:00

abstract：:A phospholipase hydrolyzing cardiolipin to phosphatidic acid and phosphatidyl glycerol was characterized in gram-negative bacteria but was absent in preparations of gram-positive bacteria, Saccharomyces cerevisiae, and rat liver mitochondria. In cell-free extracts of Escherichia coli, Salmonella typhimurium, Proteus v...

journal_title：Journal of bacteriology

authors： Cole R,Proulx P

更新日期：1975-12-01 00:00:00

abstract：:Self-resistance has been investigated in Streptomyces caelestis (producer of the lincosamide antibiotic celesticetin), from which a lincosamide resistance determinant (clr) has been isolated on a 1-kilobase DNA fragment and cloned in Streptomyces lividans. The clr product is a specific methylase which produces a singl...

journal_title：Journal of bacteriology

authors： Calcutt MJ,Cundliffe E

更新日期：1990-08-01 00:00:00

abstract：:The genes for the complete pathways for two polycyclic aromatic polyketides of the angucyclinone class have been cloned and heterologously expressed. Genomic DNAs of Streptomyces rimosus NRRL 3016 and Streptomyces strain WP 4669 were partially digested with MboI, and libraries (ca. 40-kb fragments) in Escherichia coli...

journal_title：Journal of bacteriology

authors： Hong ST,Carney JR,Gould SJ

更新日期：1997-01-01 00:00:00

abstract：:Escherichia coli sigma54-dependent phage shock protein operon (pspA to -E) transcription is under the control of PspF, a constitutively active activator. Sigma70-dependent transcription of pspF is under autogenous control by wild-type PspF but not by a DNA-binding mutant, PspF deltaHTH. Negative autoregulation of PspF...

journal_title：Journal of bacteriology

authors： Jovanovic G,Dworkin J,Model P

更新日期：1997-08-01 00:00:00

abstract：:The activity of the ATP:GTP 3'-pyrophosphotransferase (guanosine pentaphosphate synthetase I [GPSI]) from Streptomyces antibioticus is stimulated maximally by methanol at 20% (vol/vol) in assay mixtures. Although the enzyme is not activated by ribosomes, its activity is stimulated by tRNA (uncharged or charged) and by...

journal_title：Journal of bacteriology

authors： Jones GH

更新日期：1994-03-01 00:00:00