Coronavirus transcription mediated by sequences flanking the transcription consensus sequence

Yong Seok Jeong, John F. Repass, Young Nam Kim, Sun Min Hwang, Shinji Makino

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

In our studies of murine coronavirus transcription, we continue to use defective interfering (DI) RNAs of mouse hepatitis virus (MHV) in which we insert a transcription consensus sequence in order to mimic subgenomic RNA synthesis from the nondefective genome. Using our subgenomic DI system, we have studied the effects of sequences flanking the MHV transcription consensus sequence on subgenomic RNA transcription. We obtained the following results, (i) Insertion of a 12-nucleotide-long sequence including the UCUAAAC transcription consensus sequence at different locations of the DI RNA resulted in different efficiencies of subgenomic DI RNA synthesis. (ii) Differences in the amount of subgenomic DI RNA were defined by the sequences that flanked the 12-nucleotide-long sequence and were not affected by the location of the 12-nucleotide-long sequence on the DI RNA. (iii) Naturally occurring flanking sequences of intergenic sequences at gene 6-7, but not at genes 1-2 and 2-3, contained a transcription suppressive element(s). (iv) Each of three naturally occurring flanking sequences of an MHV genomic cryptic transcription consensus sequence from MHV gene 1 also contained a transcription suppressive element(s). These data showed that sequences flanking the transcription consensus sequence affected MHV transcription.

Original languageEnglish (US)
Pages (from-to)311-322
Number of pages12
JournalVirology
Volume217
Issue number1
DOIs
StatePublished - Mar 1 1996
Externally publishedYes

Fingerprint

Coronavirus
Consensus Sequence
Murine hepatitis virus
RNA
Genes
Intergenic DNA
Genome

ASJC Scopus subject areas

  • Virology
  • Infectious Diseases

Cite this

Coronavirus transcription mediated by sequences flanking the transcription consensus sequence. / Jeong, Yong Seok; Repass, John F.; Kim, Young Nam; Hwang, Sun Min; Makino, Shinji.

In: Virology, Vol. 217, No. 1, 01.03.1996, p. 311-322.

Research output: Contribution to journalArticle

Jeong, Yong Seok ; Repass, John F. ; Kim, Young Nam ; Hwang, Sun Min ; Makino, Shinji. / Coronavirus transcription mediated by sequences flanking the transcription consensus sequence. In: Virology. 1996 ; Vol. 217, No. 1. pp. 311-322.
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