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Vet Microbiol. 1983 Jun;8(3):259-70.

An investigation into causes of resistance of a cloned line of BHK cells to a strain of foot-and-mouth disease virus.


The reduced ability of foot-and-mouth disease virus (FMDV) strain Asia 1 Iran 1/73 to replicate in the cloned BHK cell line AA7 was not due to lack of virus attachment at the cell surface. Instead, the main restriction in the viral growth cycle occurred during synthesis and processing of viral macromolecules, and/or during the earliest stages of their assembly. Reduced efficiency of penetration and uncoating of virus attached to the cells may also have contributed to inhibition of virus replication. Viral components or subviral particles did not accumulate and defective interfering particles were not detected. The reduced number of infective virions produced was released from infected cells at the normal rate. No interferon production could be demonstrated.

[Indexed for MEDLINE]

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