Abstract
We have characterized the virion RNA species of Kirsten sarcoma (KiSV) and Kirsten leukemia (KiLV) viruses released from a clonally related series of mouse cells (14). We have identified the KiLV and KiSV genome RNAs. In addition to the viral RNA species we find large amounts of a virus-like RNA (VL30 RNA), which is heterogeneous and shows variability in its expression. The amount of VL30 RNA in virions does not correlate with the state of transformation of the cells releasing the virus or the ability of the virus to transform other cells. Characterization of RNA rescued from non-producer cells has revealed a sarcoma virus (KiSV CB3) with an oligonucleotide fingerprint different from that of a standard KiSV RNA, suggesting that it has lost some viral sequences. The oligonucleotide fingerprints of KiLV and VL30 RNAs are distinct from each other and from those reported for other murine leukemia virus RNAs.
MeSH Terms
Animals
Cell Line
Cell Transformation, Viral
Clone Cells
Kirsten murine sarcoma virus/genetics,physiology
Leukemia Virus, Murine/genetics
Mice
Oligoribonucleotides/analysis
RNA, Viral/analysis
Sarcoma Viruses, Murine/genetics
Virion/genetics
Chemicals
Oligoribonucleotides
RNA, Viral
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Clewley J P
Avery R J
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19 references, click to expand
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