[PDF] Top 20 Induced Structural Defects in T-Even Bacteriophage
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Induced Structural Defects in T-Even Bacteriophage
... In particular, it was observed by electron microscopy that L-canavanine, an arginine analogue, gave rise to polyheads; L-azetidine-2-carboxylic acid, a proline analogue, gave rise to pol[r] ... See full document
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Isolation and Mapping of t Gene Mutants of Bacteriophage T4D
... Two hot-spot sites for spontaneous mutations were found; 14 mutants at one site, represented by a frameshift mutation, and 12 mutants at a second site were obtained from 39 spontaneous m[r] ... See full document
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Structural Aberrations in T-Even Bacteriophage IV. Parameters of Induction and Formation of Lollipops
... However, the length of the lollipop head and the percentage of lollipops does vary with both the time at which canavanine is added to the infection as well as the length of' exposure bef[r] ... See full document
10
Characterization of T-Even Bacteriophage Substructures
... Tail fibers and tubes were purified on glycerolCsCI-D20 gradients and examined with respect to sedimentation properties, subunit molecular weights, amino acid composition, isoelectric po[r] ... See full document
11
Characterization of T-Even Bacteriophage Substructures
... STONE Department of Microbiology, University of Colorado Medical Center, Denver, Colorado 80220 Tail plates obtained from T4D amber mutants were examined with respect to sedimentation be[r] ... See full document
11
Studies on T even bacteriophage DNA
... To map the deletion in T5stO on the T5 chromosome by electron microscopy, the intact strand of T5stO is hybridized with a mixture of two fragments as shown in Fig... Schematic representa[r] ... See full document
237
Head Proteins from T-Even Bacteriophage
... Figure 4 also shows that T-even phage capsids contain a protein with a molecular weight of 84,000 daltons peak 2 and also a protein or proteins that elute in the void volume peak 1.. Mol[r] ... See full document
8
Structural aberrations in T-even bacteriophage. VII. In vitro analysis of the canavanine-mediated inhibition of proteolytic cleavage.
... Using an in vitro cleavage assay we have shown that the gene 21-dependent proteolytic activity from canavanine-treated extracts is markedly inhibited, whereas the substrate proteins reta[r] ... See full document
9
Structural Aberrations in T-Even Bacteriophage V. Effects of Canavanine on the Maturation and Utilization of Specific Gene Products
... Thus, there are four DISCUSSION proteins which are selectively assembled into lollipop particles as opposed to phage of normal We have described the effects of canavanine head length whi[r] ... See full document
14
Template Properties of Glucose-Deficient T-Even Bacteriophage DNA
... sylation can influence the template activity of either vegetative T4 DNA or mature T-even tain hosts which are able to degrade infecting phage DNAs for in vitro RNA or protein synthe- ph[r] ... See full document
9
Breakdown and Exclusion of Superinfecting T-Even Bacteriophage in Escherichia coli
... Five separate cultures of ER-1 and ER22 were infected at MOI 5 with unlabeled T4 and superinfected 5 min later with different fresh stocks of 32P-labeled T4 MOI 0.1 to 5; 15 min after pr[r] ... See full document
18
T-Even Bacteriophage-Tolerant Mutants of Escherichia coli B
... To understand the role of host-cell functions in the replication of bacteriophages, it is useful to have phage-tolerant bacterial mutants, i.e., strains which can adsorb virus but are un[r] ... See full document
6
Structural aberrations in T-even bacteriophage. IX. Effect of mixed infection on the production of giant bacteriophage.
... In the presence of canavanine, all giants from infections using phage defective in gene 22 are in the 2- to 5head-length class, and no giants are formed in the absence of canavanine.. It[r] ... See full document
11
T-Even Bacteriophage-Tolerant Mutants of Escherichia coli B II. Nucleic Acid Metabolism
... Mutant cells infected by phage T6 are able to carry out several metabolic functions associated with normal virus development, including arrest of bacterial nucleic acid and protein synth[r] ... See full document
11
Aspects of the Ultraviolet Photobiology of Some T-Even Bacteriophages
... Bacteriophage T4 DNA metabolism is largely insulated from that of its host, although some host functions assist in the repair of T4 DNA damage. Environmental factors sometimes affect survival and mutagenesis after ... See full document
8
The Murky Origin of Snow White and Her T-Even Dwarfs
... riophage and antibiotics. Am. Nat. 147: 881–898. Watson, J. D., 1950 The properties of X-ray inactivated bacterio- Luria, S. E., 1984 A Slot Machine, a Broken Test Tube: An Autobiography. phage. I. Inactivation by direct ... See full document
6
Chemically Induced Cofactor Requirement for Bacteriophage T4D
... A model of the tail structure of all the T-even bacteriophages is presented which postulates that the active configuration of the tail fibers requires that there be either i an endogenou[r] ... See full document
8
α-Synuclein fibril-induced paradoxical structural and functional defects in hippocampal neurons
... Additional file 2: Figure S2. α -Syn fibrils (2 μ g/mL) were added to pri- mary hippocampal neurons on DIV 7 and neurons were fixed 14 days later. A. Immunofluorescence was performed using antibodies to p- α -syn (mouse ... See full document
13
A Quorum Sensing Induced Bacteriophage Defense Mechanism
... Phage-host interactions are understood better in the classical model system of bacteriophage and E. coli K-12 than in any other system. However, despite its paradigmatic status, new knowledge continues to be ... See full document
8
NITROGEN MUSTARD INDUCED MUTATION IN EXTRACELLULAR BACTERIOPHAGE
... Little if any difference was found in induced AP72 reversions when a treated phage preparation was added to bacteria at various dilutions, covering a range from [r] ... See full document
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