Identification of a protein of 15,000 daltons related to isoleucine-valine biosynthesis in Escherichia coli K-12.

abstract：:Cellulolytic strains of Bacillus stearothermophilus were isolated from nature and screened for the presence of activities associated with the degradation of plant cell walls. One isolate (strain XL-65-6) which exhibited strong activities with 4-methylumbelliferyl-beta-D-glucopyranoside (MUG) and 4-methylumbelliferyl-b...

journal_title：Journal of bacteriology

authors： Lai X,Ingram LO

更新日期：1993-10-01 00:00:00

abstract：:Campylobacter jejuni, a microaerophilic bacterium, is the most frequent cause of human bacterial gastroenteritis. C. jejuni is exposed to harmful reactive oxygen species (ROS) produced during its own normal metabolic processes and during infection from the host immune system and from host intestinal microbiota. These ...

journal_title：Journal of bacteriology

authors： Flint A,Sun YQ,Stintzi A

更新日期：2012-01-01 00:00:00

abstract：:Welker, N. E. (University of Illinois, Urbana), and L. Leon Campbell. Biochemical changes in lysogenic Bacillus stearothermophilus after bacteriophage induction. J. Bacteriol. 90:1129-1137. 1965.-Cultures of Bacillus stearothermophilus 1503-4R (TP-1) continued to grow at an unaltered rate after induction with mitomyci...

journal_title：Journal of bacteriology

authors： Welker NE,Campbell LL

更新日期：1965-10-01 00:00:00

abstract：:This study investigated the apparent genetic redundancy in the biosynthesis of polyhydroxyalkanoates (PHAs) in the Rhodospirillum rubrum genome revealed by the occurrence of three homologous PHA polymerase genes (phaC1, phaC2, and phaC3). In vitro biochemical assays established that each gene product encodes PHA polym...

journal_title：Journal of bacteriology

authors： Jin H,Nikolau BJ

更新日期：2012-10-01 00:00:00

abstract：:Lipopolysaccharide is a major glycolipid component in the outer leaflet of the outer membrane (OM), a peculiar permeability barrier of Gram-negative bacteria that prevents many toxic compounds from entering the cell. Lipopolysaccharide transport (Lpt) across the periplasmic space and its assembly at the Escherichia co...

journal_title：Journal of bacteriology

authors： Villa R,Martorana AM,Okuda S,Gourlay LJ,Nardini M,Sperandeo P,Dehò G,Bolognesi M,Kahne D,Polissi A

更新日期：2013-03-01 00:00:00

abstract：:Flavobacterium johnsoniae cells move rapidly over surfaces by gliding motility. Gliding results from the movement of adhesins such as SprB and RemA along the cell surface. These adhesins are delivered to the cell surface by a Bacteroidetes-specific secretion system referred to as the type IX secretion system (T9SS). G...

journal_title：Journal of bacteriology

authors： Shrivastava A,Johnston JJ,van Baaren JM,McBride MJ

更新日期：2013-07-01 00:00:00

abstract：:Investigation of the chromosomal region downstream of the lacZ gene from Lactobacillus delbrueckii subsp. bulgaricus revealed the presence of a gene (prtB) encoding a proteinase of 1,946 residues with a predicted molecular mass of 212 kDa. The deduced amino acid sequence showed that PrtB proteinase displays significan...

journal_title：Journal of bacteriology

authors： Gilbert C,Atlan D,Blanc B,Portailer R,Germond JE,Lapierre L,Mollet B

更新日期：1996-06-01 00:00:00

abstract：:The par stability determinant, encoded by the Enterococcus faecalis plasmid pAD1, is the only antisense RNA regulated postsegregational killing system identified in gram-positive bacteria. Because of the unique organization of the par locus, the par antisense RNA, RNA II, binds to its target, RNA I, at relatively smal...

journal_title：Journal of bacteriology

authors： Weaver KE,Ehli EA,Nelson JS,Patel S

更新日期：2004-10-01 00:00:00

abstract：:Rotation of the bacterial flagellar motor is powered by a transmembrane gradient of protons or, in some species, sodium ions. The molecular mechanism of coupling between ion flow and motor rotation is not understood. The proteins most closely involved in motor rotation are MotA, MotB, and FliG. MotA and MotB are trans...

journal_title：Journal of bacteriology

authors： Zhou J,Sharp LL,Tang HL,Lloyd SA,Billings S,Braun TF,Blair DF

更新日期：1998-05-01 00:00:00

abstract：:Many bacterial species produce capsular polysaccharides that contribute to pathogenesis through evasion of the host innate immune system. The gram-positive pathogen Enterococcus faecalis was previously reported to produce one of four capsule serotypes (A, B, C, or D). Previous studies describing the four capsule serot...

journal_title：Journal of bacteriology

authors： Thurlow LR,Thomas VC,Hancock LE

更新日期：2009-10-01 00:00:00

abstract：:Several spontaneous cya and crp mutants of Escherichia coli have been selected as clones simultaneously resistant to phage lambda and nalidixic acid and characterized. Both cya and crp mutants have been found to grow as cocci with increased doubling times. They have increased resistance to some mutagens (methylmethane...

journal_title：Journal of bacteriology

authors： Kumar S

更新日期：1976-02-01 00:00:00

abstract：:A Flavobacterium sp. (strain 50001), capable of degrading 2,4-dichlorophenoxyacetate (2,4-D), 2-methyl-4-chlorophenoxyacetate, and 2-chlorobenzoate and imparting resistance to mercury, harbored a degradative plasmid, pRC10. Cured strains of the Flavobacterium sp. lost the plasmid as well as the ability to degrade thes...

journal_title：Journal of bacteriology

authors： Chaudhry GR,Huang GH

更新日期：1988-09-01 00:00:00

abstract：:The abundance of oxidants and reductants must be balanced for an organism to thrive. Bacteria have evolved methods to prevent redox imbalances and to mitigate their deleterious consequences through the expression of detoxification enzymes, antioxidants, and systems to repair or degrade damaged proteins and DNA. Regula...

journal_title：Journal of bacteriology

authors： Reniere ML

更新日期：2018-08-10 00:00:00

abstract：:Plasmid Rms312, specifying resistance to tetracycline (Tc), chloramphenicol (Cm), streptomycin (Sm), sulfonamide (Su), and mercury chloride (Mer), deletes both Tc and Cm Sm Su Mer determinants at a high frequency in Salmonella typhimurium LT2. S. typhimurium mutants that were stable carriers of Rms312 were isolated by...

journal_title：Journal of bacteriology

authors： Watanabe H,Hashimoto H,Mitsuhashi S

更新日期：1980-04-01 00:00:00

abstract：:Rhizobactin 1021 is a hydroxymate siderophore produced by the soil bacterium Sinorhizobium meliloti 2011. A regulon comprising rhtA, encoding the outer membrane receptor protein for the ferrisiderophore; the biosynthesis operon rhbABCDEF; and rhrA, the Ara-C-like regulator of the receptor and biosynthesis genes has be...

journal_title：Journal of bacteriology

authors： Cuív PO,Clarke P,Lynch D,O'Connell M

更新日期：2004-05-01 00:00:00

abstract：:Synthesis of wild-type Neurospora crassa assimilatory nitrate reductase is induced in the presence of nitrate ions and repressed in the presence of ammonium ions. Effects of several Neurospora mutations on the regulation of this enzyme are shown: (i) the mutants, nit-1 and nit-3, involving separate lesions, lack reduc...

journal_title：Journal of bacteriology

authors： Dantzig AH,Zurowski WK,Ball TM,Nason A

更新日期：1978-02-01 00:00:00

abstract：UNLABELLED:To stabilize cellular integrity in the face of environmental perturbations, most bacteria, including cyanobacteria, synthesize and maintain a strong, flexible, three-dimensional peptidoglycan lattice. Anabaena sp. strain PCC 7120 is a filamentous cyanobacterium capable of differentiating morphologically dist...

journal_title：Journal of bacteriology

authors： Videau P,Rivers OS,Ushijima B,Oshiro RT,Kim MJ,Philmus B,Cozy LM

更新日期：2016-03-31 00:00:00

abstract：:Alicyclobacillus acidocaldarius strain Tc-4-1 was initially isolated from a hot spring in Tengchong, China. This organism is both thermophilic and acidophilic. It can produce heat- and acid-stable enzymes, such as amylase and esterase, which may be important in industry. Here we report the whole genome sequence of the...

journal_title：Journal of bacteriology

authors： Chen Y,He Y,Zhang B,Yang J,Li W,Dong Z,Hu S

更新日期：2011-10-01 00:00:00

abstract：:Trichloroethylene (TCE) is the most frequently detected groundwater contaminant, and 1-naphthol is an important chemical manufacturing intermediate. Directed evolution was used to increase the activity of toluene ortho-monooxygenase (TOM) of Burkholderia cepacia G4 for both chlorinated ethenes and naphthalene oxidatio...

journal_title：Journal of bacteriology

authors： Canada KA,Iwashita S,Shim H,Wood TK

更新日期：2002-01-01 00:00:00

abstract：:Phosphate import is required for the growth of mycobacteria and is regulated by environmental inorganic phosphate (P(i)) concentrations, although the mechanism of this regulation has not been characterized. The expression of genes involved in P(i) acquisition is frequently regulated by two-component regulatory systems...

journal_title：Journal of bacteriology

authors： Glover RT,Kriakov J,Garforth SJ,Baughn AD,Jacobs WR Jr

更新日期：2007-08-01 00:00:00

abstract：:A new method for measuring the secretion of H(2)O(2) has been based upon an H(2)O(2)-dependent inhibition of catalase by 3-amino-1,2,4-triazole. The conversion of an H(2)O(2)-secretion rate into a catalase inhibition rate amplified a relatively small molar concentration of H(2)O(2) and provided a highly specific and s...

journal_title：Journal of bacteriology

authors： Cohen G,Somerson NL

更新日期：1969-05-01 00:00:00

abstract：:In many microorganisms the first step for alkane degradation is the terminal oxidation of the molecule by an alkane hydroxylase. We report the characterization of a gene coding for an alkane hydroxylase in a Burkholderia cepacia strain isolated from an oil-contaminated site. The protein encoded showed similarity to ot...

journal_title：Journal of bacteriology

authors： Marín MM,Smits TH,van Beilen JB,Rojo F

更新日期：2001-07-01 00:00:00

abstract：:We examined in detail conditions necessary for making reproducible and for maximizing the amount of deoxyribonucleic acid obtained from a sex factor-containing cell as covalent circles. The results argue that under optimal conditions covalent circles are neither created nor lost during the isolation procedure. The cau...

journal_title：Journal of bacteriology

authors： Freifelder D,Folkmanis A,Kirschner I

更新日期：1971-03-01 00:00:00

abstract：:Comamonas testosteroni T-2 uses a standard, if seldom examined, attack on an aromatic compound and oxygenates the side chain of p-toluenesulfonate (TS) (or p-toluenecarboxylate) to p-sulfobenzoate (or terephthalate) prior to complete oxidation. The expression of the first three catabolic enzymes in the pathway, the TS...

journal_title：Journal of bacteriology

authors： Junker F,Kiewitz R,Cook AM

更新日期：1997-02-01 00:00:00

abstract：:Defects in DNA mismatch repair (MMR) occur frequently in natural populations of pathogenic and commensal bacteria, resulting in a mutator phenotype. We identified a unique genetic element in Streptococcus pyogenes strain SF370 that controls MMR via a dynamic process of prophage excision and reintegration in response t...

journal_title：Journal of bacteriology

authors： Scott J,Thompson-Mayberry P,Lahmamsi S,King CJ,McShan WM

更新日期：2008-10-01 00:00:00

abstract：:Bacterial flagellar filaments grow at their distal ends, from flagellin that travels through a central channel ∼2 nm in diameter. The flagellin is extruded from the cytoplasm by a pump powered by a proton motive force (PMF). We measured filament growth in cells near the mid-exponential-phase with flagellin bearing a s...

journal_title：Journal of bacteriology

authors： Turner L,Stern AS,Berg HC

更新日期：2012-05-01 00:00:00

abstract：:A Bacillus subtilis secA mutant, secA12, which is blocked at an early stage of sporulation, is able to grow as well as the wild-type strain at all temperatures tested. Experiments with lacZ fusion genes showed that the induction of kinA expression, as well as the sporulation-specific transcription of the spo0A gene, w...

journal_title：Journal of bacteriology

authors： Asai K,Kawamura F,Sadaie Y,Takahashi H

更新日期：1997-01-01 00:00:00

abstract：:The rep gene function of Escherichia coli is essential for the replication of P2 and phiX174 double-stranded deoxyribonucleic acid (DNA). Compared with isogenic rep(+) strains, rep mutants show the following characteristics: larger cell size, more DNA per cell, and a slightly lower DNA/mass ratio. The replicating rep ...

journal_title：Journal of bacteriology

authors： Lane HE,Denhardt DT

更新日期：1974-11-01 00:00:00

abstract：:The rates of thermal denaturation and the molecular weights of the two isofunctional enol-lactone hydrolases (ELH I and ELH II) of Acinetobacter calcoaceticus were determined. The molecular weights of ELH I and ELH II were found by gel filtration to be approximately 24,000 and 21,000, respectively. In crude extract at...

journal_title：Journal of bacteriology

authors： Katagiri M,Wheelis ML

更新日期：1971-05-01 00:00:00

abstract：:Following conjugal transfer of the hsdK genes (hsdRK, hsdMK, and hsdSK) of Escherichia coli K-12, restriction activity was first detected only after approximately 15 generations, whereas modification activity was observed immediately. This sequential expression explains the establishment of hsdK genes in a nonmodified...

journal_title：Journal of bacteriology

authors： Prakash-Cheng A,Ryu J

更新日期：1993-08-01 00:00:00