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J Gen Virol 16 (1972), 381-390; DOI 10.1099/0022-1317-16-3-381
© 1972 Society for General Microbiology
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Adsorption of Bacteriophage {varphi}X174 to Isolated Bacterial Cell Walls

Felicity M. Beswick

Department of Botany and Microbiology, University College of Swansea, Singleton Park, Swansea, Wales

Mary R. Lunt

Microbiology Unit, Department of Biochemistry, South Parks Road, Oxford, England

Incubation of bacteriophage {varphi}X174 with isolated bacterial cell walls in tris HCl. MgCl2 solution results in disruption of the phage with partial release of virus DNA. After incubation for 5 min., particles which sedimented heterogeneously at about 50S were formed. These particles were infectious for spheroplasts, but not for whole bacteria. Incubation for 40 min. produced 70S particles which contained less DNA than intact phage. Similar results were obtained when {varphi}X174 virus particles were incubated with starved bacteria.

Received 21 April 1972; accepted 11 May 1972.




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Copyright © 1972 by the Society for General Microbiology.