Studies of murine coronavirus DI RNA replication from negative-strand transcripts

S. Banerjee, Shinji Makino

Research output: Contribution to journalArticle

Abstract

The positive-strand transcripts as well as negative-strand transcripts of mouse hepatitis virus (MHV) defective interfering (DI) RNA, when introduced into MHV-infected cells, resulted in DI RNA replication and accumulation. The leader sequence of the majority of DI RNAs that accumulated from the expression of negative-strand DI RNA transcripts with no extra non- MHV nucleotides at the 3' end switched to that of helper virus, whereas this leader sequence switching did not occur in most of the positive-strand DI RNAs that accumulated from the expressed negative-strand DI RNA transcripts with extra non-MHV nucleotides at the 3' end. These data demonstrated that the extra 4 nucleotides at the 3'-end of negative-strand DI RNA transcripts affected leader sequence switching on DI RNA, and indicated that the leader switching probably occurred during positive-strand DI RNA synthesis.

Original languageEnglish (US)
Pages (from-to)241-246
Number of pages6
JournalAdvances in Experimental Medicine and Biology
Volume440
StatePublished - 1998
Externally publishedYes

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Coronavirus
RNA
Viruses
Murine hepatitis virus
Nucleotides
Helper Viruses
Hepatitis Viruses

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Studies of murine coronavirus DI RNA replication from negative-strand transcripts. / Banerjee, S.; Makino, Shinji.

In: Advances in Experimental Medicine and Biology, Vol. 440, 1998, p. 241-246.

Research output: Contribution to journalArticle

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