The complete nucleotide sequence and synthesis of infectious RNA of genomic and defective interfering RNAs of TBSV-P

G. Szittya, Pál Salamon, J. Burgyán

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The complete nucleotide sequences of the genome of the pepper isolate of tomato bushy stunt Tombusvirus (TBSV-P), and its defective interfering (DI) RNAs were determined. The genome of TBSV-P is a linear single-stranded monopartite RNA molecule of positive polarity, 4776 nucleotides long and has an organisation identical to that reported for other tombusviruses. In vitro transcripts of the genome were highly infectious, and it could support replication of the DI RNAs associated with the wild type virus. Two DI RNAs were found in the infected leaves of Nicotiana clevelandii, whose sequences were completely derived from the genomic RNA. The longest DI RNA (DI-5) has 550 nucleotides (nt), while the shorter DI RNA (DI-4) composed of 463 nt, both of them were formed by essentially the same genomic sequence blocks. Since host specificity of TBSV-P and other tombusviruses with available infectious cDNA clones is different, it is feasible to carry out gene exchange studies to determine viral host specificity factors for tombusviruses. (C) 2000 Elsevier Science B.V.

Original languageEnglish
Pages (from-to)131-136
Number of pages6
JournalVirus Research
Volume69
Issue number2
DOIs
Publication statusPublished - Sep 25 2000

Fingerprint

Tombusvirus
RNA
Nucleotides
Host Specificity
Genome
Lycopersicon esculentum
Small Interfering RNA
Tobacco
Complementary DNA
Clone Cells
Viruses
Genes

Keywords

  • DI RNAs
  • In vitro transcript
  • Sequencing
  • Tombusvirus

ASJC Scopus subject areas

  • Cancer Research
  • Molecular Biology
  • Virology

Cite this

The complete nucleotide sequence and synthesis of infectious RNA of genomic and defective interfering RNAs of TBSV-P. / Szittya, G.; Salamon, Pál; Burgyán, J.

In: Virus Research, Vol. 69, No. 2, 25.09.2000, p. 131-136.

Research output: Contribution to journalArticle

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