Abstract
SHEEP pulmonary adenomatosis (SPA) or Jaagsiekte is a contagious disease of unknown aetiology1. A herpesvirus has been isolated from such tumours in Britain2 and in Africa3,4 but attempts to produce adenomata with this virus have been unsuccessful (ref. 5 and W.B.M., G. Robinson, and K.W.A., in preparation). More recently, evidence has been presented that a type C virus with a density on a sucrose gradient of 1.5â1.20 g mlâ1, containing 60â70S RNA and RNA-directed DNA polymerase (reverse transcriptase) is present in the adenomatous tissue6. We wish to describe the production of SPA tumours in sheep experimentally infected with both agents.
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MARTIN, W., SCOTT, F., SHARP, J. et al. Experimental production of sheep pulmonary adenomatosis (Jaagsiekte). Nature 264, 183â185 (1976). https://doi.org/10.1038/264183a0
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DOI: https://doi.org/10.1038/264183a0
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