1887

Abstract

In recent years the term ‘icosahedral cytoplasmic deoxyribovirus’* has been used to describe a variety of viruses, including the iridescent viruses, the lymphocystis viruses, frog virus 3 and African swine fever virus (Granoff, 1969; Stoltz, 1971; Kelly, 1972; Plowright, 1972). The term also serves to describe cauliflower mosaic virus and related viruses, but delineates these icosahedral viruses from the structurally complicated viruses — the pox viruses (Bergoin & Dales, 1971). The qualifications required for a virus to be considered as an ‘icosahedral cytoplasmic deoxyribovirus’ are by no means stringent — merely that the virus particle is icosahedral, replication occurs in the cytoplasm, and the virus contains DNA. We are of the opinion that the isolation of such viruses from a variety of sources has led a number of authors and authorities unwisely to assign such viruses into two groups (Wildy, 1971; Andrewes & Pereira, 1972). Subak-Sharpe (1971) has commented on the fact that viruses have a very limited range of morphologies.

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/content/journal/jgv/10.1099/0022-1317-20-Supplement-17
1973-06-01
2019-11-19
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