Last edited by Duramar
Monday, July 20, 2020 | History

2 edition of Bacteriophage T4 ribonucleotide reductase found in the catalog.

Bacteriophage T4 ribonucleotide reductase

Eric Scott Hanson

Bacteriophage T4 ribonucleotide reductase

genes and proteins

by Eric Scott Hanson

  • 329 Want to read
  • 33 Currently reading

Published .
Written in English

    Subjects:
  • DNA viruses.,
  • Bacteriophage T4.,
  • Escherichia coli -- Genetics.,
  • Proteins -- Synthesis.

  • Edition Notes

    Statementby Eric Hanson.
    The Physical Object
    Pagination146 leaves, bound. :
    Number of Pages146
    ID Numbers
    Open LibraryOL15406884M

    @article{osti_, title = {Effect of uv light on formation and synthetic capacity of DNA-membrane complexes from T7-infected cells of E. coli}, author = {Wintermantel, G}, abstractNote = {The action of uv light on the attachment of T7-DNA to the bacterial cell membrane, and the RNA- and DNA-synthesizing activity of the DNA-membrane complex, were investigated. AbstractDuring the last decade, an increasing number of new enzymes containing Author: Thorsten Selmer.

    Olliver A., Saggioro C., Herrick J., Sclavi B. () DnaA-ATP acts as a molecular switch to control levels of ribonucleotide reductase expression in Escherichia coli. Mol Microbiol 76(6): Glycosylated Bacteriophage T4 DNA. Before leaving Stanford, I had noticed that exonuclease III degraded bacteriophage T4 DNA at a very slow rate. T4 DNA, like the DNA from the other T-even phage, contains hydroxymethylcytosine in place of cytosine, and this residue is glycosylated to varying patterns, depending on the T-even by: 8.

    bacteriophage proteins replication plasmids systems cells site rna restriction sequence host recombination expression transfer transcription chromosome binding genetic You can write a book review and share your experiences. Other readers will always be. Book:Structural Proteomics and its Impact on the Life Sciences:6‎ Flexibility of the flap in the active site of BACE1 as revealed by crystal structures and molecular dynamics simulations A DNA structural alphabet provides new insight into DNA flexibility.


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Bacteriophage T4 ribonucleotide reductase by Eric Scott Hanson Download PDF EPUB FB2

Characterization of the Active Site of Ribonucleotide Reductase of Escherichia coli, Bacteriophage T4 and Mammalian Cells by Inhibition Studies with Hydroxyurea Analogues. SUMMARY Phage T4 has provided countless contributions to the paradigms of genetics and biochemistry.

Its complete genome sequence ofbp encodes about gene products. T4 biology and its genomic sequence provide the best-understood model for modern functional genomics and proteomics.

Variations on gene expression, including overlapping genes, internal translation Cited by: Abstract. The total map length of the bacteriophage T4 genome has been determined by electron microscopy of T4 DNA molecules to be × 10 5 nucleotide pairs (Kim and Davidson, ). In Figure 1, each small division on the inner circle indicates 10 3 nucleotide pairs.

The zero point has been placed arbitrarily at a genetically and physically well-defined locus, the divide between the rIIA. A Bacteriophage T4 ribonucleotide reductase book II enzyme is found in many prokaryotic organisms.

A third spectacular discovery was the isolation of an anaerobic ribonucleotide reductase from E. coli (Reichard a), the class III enzyme.

A second representative of this class has been found in bacteriophage T4 (Young et al. b).Cited by: Activation of Class III Ribonucleotide Reductase by Thioredoxin Article (PDF Available) in Journal of Biological Chemistry (13) April with 31 Reads How we measure 'reads'.

The first structures of glycyl radical enzymes, the anaerobic ribonucleotide reductase from bacteriophage T4 and pyruvate formate lyase from Escherichia coli, have been recently work provides new insights into the structure and chemistry of glycyl radical by: Frazer J Rixon, Wah Chiu, in Advances in Protein Chemistry, 3 T4.

The large DNA bacteriophages, typified by T4, have distinctive structures in which an icosahedrally organized head is connected at one vertex through a collar to a complex tail structure (Fig.

1E).Tails are found only in certain classes of bacteriophage and they seem to have evolved as an efficient tool for transferring. Glutaredoxin has been sequenced in a variety of viruses. On the basis of extensive sequence similarity, it has been proposed that Vaccinia virus protein O2L is, it seems, a glutaredoxin.

Bacteriophage T4 thioredoxin seems to be evolution-related. In position 5 of the InterPro: IPR With the development of covalent modification strategies for viral capsids comes the ability to convert them into modular carrier systems for drug molecules and imaging agents. With this overall goal in mind, we have used two orthogonal modification strategies to decorate the exterior surface of genome-free MS2 capsids with PEG chains, while installing 50−70 copies of a fluorescent dye Cited by: Antibiotics are frequently and uncritically used against diarrheal diseases in developing countries.

While antibiotics are indicated against Shigella dysentery, antibiotics have only limited efficacy against a number of bacterial pathogens, including Escherichia coli. With respect to their bacterial hosts, the vast majority of bacteriophages are species : Harald Brüssow. Author(s): Berglund,Ove Title(s): Studies on ribonucleotide reductase and thioredoxin induced by infection of Escherichia coli with bacteriophage T4/ by Ove Berglund.

Country of Publication: Sweden Publisher: Stockholm: [s.n.], Description: 24 p.: ill. It provides the precursors necessary for DNA synthesis. RNRs are separated into three classes based on their metallocofactor usage. Class I RNRs, found in eukaryotes, bacteria, and bacteriophage, use a diiron-tyrosyl radical.

Class II RNRs, found in bacteria, bacteriophage, algae and archaea, use coenzyme B12 (adenosylcobalamin, AdoCbl). (16) Berdis, A. () Dynamics of translesion DNA synthesis catalyzed by the bacteriophage T4 exonuclease-deficient DNA polymerase.

Biochemis (15) Lee, I. and Berdis, A.J. () Adenosine triphosphate-dependent degradation of a fluorescent lambda N substrate mimic by Lon protease. Anal. Biochem. Ribonucleotide reduction is the only pathway for de novo synthesis of deoxyribonucleotides in extant organisms.

This chemically demanding reaction, which proceeds via a carbon-centered free radical, is catalyzed by ribonucleotide reductase (RNR). The mechanism has been deemed unlikely to be catalyzed by a ribozyme, creating an enigma regarding how the building blocks for DNA were synthesized Cited by: The herpes simplex virus type 1 ribonucleotide reductase is a tight complex of the type α2β2 composed of 40K and K proteins, of which the latter shows multiple forms due to proteolysis Bacteriophage T4 and Mammalian Cells by Inhibition Studies with Hydroxyurea Analogues.

Ingrid KJOLLER LARSEN, Britt-Marie SJOOBERG, Lars by: In many anaerobic bacteria and archaea, the reduction of ribonucleotides to deoxyribonucleotides is conducted by an O 2-sensitive class III ribonucleotide reductase (RNR). The class III RNRs that have been most extensively characterized, from bacteriophage T4 and its host Escherichia coli, use formate as the hydrogen donor for nucleotide reduction, oxidizing it to CO by: 8.

Bacteriophage φR1-RT is distantly related to phage T4, and infects a number of Gram-negative Yersinia enterocolitica strains. enterocolitica, a member of the Enterobacteriaceae family, is a zoonotic pathogen causing human and animal enteric infections, including acute diarrhea, enterocolitis and terminal ileitis, and in rare cases Author: Ushanandini Mohanraj, Xing Wan, Cindy M.

Spruit, Mikael Skurnik, Maria I. Pajunen. Glutaredoxin from bacteriophage t4. 1hmd. and are essential for the glutathione-dependent synthesis of deoxyribonucleotides by ribonucleotide reductase. Thioredoxins are reduced directly by the specific flavoprotein thioredoxin reductase and act as more general disulfide reductases.

Show this book's table of contents, where you can. (9) Berdis, A.J. and Benkovic, S.J. () Mechanism of bacteriophage T4 DNA holoenzyme assembly: the 44/62 protein acts as a molecular motor. Biochemis (8) Berdis, A.J., Soumillion, P., and Benkovic, S.J.

() The carboxyl terminus of the bacteriophage T4 DNA polymerase is required for holoenzyme complex formation. Panel 2 focused in general discussions on the issue of whether any given kind of environment appeared to favor very small microbes.

Experts with experience in a wide variety of intracellular and extracellular niches, including host cells (Van Etten and Kajander), aquatic environments (Button and DeLong), hydrothermal environments (Stetter and Adams), and soils and sediments (Staley) presented.

Bacillus phage SPβ also has introns in two of its ribonucleotide reductase genes. Two other examples are Synechococcus phage S-PM2 [ 44 ] and Staphylococcus phage K [ 45 ].

In the former an intron is found in a gene (psbA) which specifies a protein in the photosynthetic reaction center, while in the latter, there are introns in the [email protected]{osti_, title = {Modular architecture of the T4 phage superfamily: A conserved core genome and a plastic periphery}, author = {Comeau, Andre M and Bertrand, Claire and Letarov, Andrei and Tetart, Francoise and Krisch, H M}, abstractNote = {Among the most numerous objects in the biosphere, phages show enormous diversity in morphology and genetic content.Elford H.

L., Wampler G. L., van't Riet B. () New ribonucleotide reductase inhibitors with antineoplastic activity.

Cancer Res. 39, – Medline, Google Scholar FiguresCited by: 8.