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  • Title: [Isolation and characteristics of the bacteriophage from the vaccine strain Tohama phase I].
    Author: Karataev GI, Moskvina IL, Riabinina OP, Miller GG, Mebel' SM.
    Journal: Mol Gen Mikrobiol Virusol; 1988 Apr; (4):22-5. PubMed ID: 2900462.
    Abstract:
    Some properties of bacteriophage phi T isolated from the vaccine strain Bordetella pertussis Tohama phase I and propagated in Bordetella parapertussis 504 cells are presented. Phage phi T belongs to the IV group in accordance with Tikhonenko classification. The diameter of head and length of noncontractile tail sheath are 49.5 +/- 0.5 and 145 +/- 7 nm, respectively. Diameter of the tail sheath is 3.2 +/- 0.6 nm. Molecular mass of the phage DNA is 37 +/- 3 kb. Population of phi T phage is polymorphous and consists of particles the genomes or which vary from each other by the "insert" located 6.8 +/- 0.6 kb from the end of molecule. The blot hybridization has demonstrated that the bacteriophage genome is not inserted into the chromosome of the lysogenic strain. Autonomous location of the phage genome in the host cell is suggested. The temperature and hydrogen ions concentration effects on bacteriophage phi T stability were studied. The conditions for phage suspension storage are described.
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