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pubmed:abstractText |
Deoxycholate (DOC) disrupted virions of Newcastle disease virus (NDV), releasing viral nucleocapsids. The nucleocapsids sedimented at about 200S in sucrose gradients and measured from 1.3 to 1.4 mu long by electron microscopy. NDV nucleo-capsids were resistant to pancreatic ribonuclease. These nucleocapsids contained all the 50S ribonucleic acid (RNA) in NDV virions, while virus-associated RNA sedimenting at less than 50S was external to the virions.
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