Characterization of bovine viral diarrhea virus RNA.
AUTOR(ES)
Pritchett, R
RESUMO
RNA extracted from isopycnically banded [3-H]uridine-labeled bovine viral diarrhea virus with sodium dodecyl sulfate was resolved into one major and two minor components by both sedimentation analysis and electrophoresis in polyacrylamide gels. The major RNA component was estimated to have a 38S sedimentation coefficient. The minor RNA components were estimated to have S values of 31 and 24. The approximate colecular weights were calculated to be 3.22 times 10-6 (38S), 2.09 times 10-6 (31S), and 1.22 times 10-6 (24S). A single broad peak of radioactivity, maximum at 24S, was obtained when sedimentation was conducted under conditions of low ionic strength. All three RNA components were found to be susceptible to digestion with RNase. The presence of multiple RNA components in heterogeneous populations of infectious virus is discussed.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=354601Documentos Relacionados
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