UV LASER INDUCED RNA‐PROTEIN CROSSLINKS AND RNA CHAIN BREAKS IN TOBACCO MOSAIC VIRUS RNA in situ

E. N. DOBROV, Z. KH ARBIEVA, E. K. TIMOFEEVA, R. O. ESENALIEV, A. A. ORAEVSKY, D. N. NIKOGOSYAN

Research output: Contribution to journalArticle

25 Scopus citations

Abstract

Abstract The efficiency of RNA‐protein crosslink and RNA chain break formation under nanosecond or picosecond UV‐laser pulse irradiation of tobacco mosaic virus was determined. It was found that on high‐intensity UV‐laser irradiation the quantum yields of both reactions increase considerably as compared to the usual (low‐intensity) UV‐irradiation. The RNA‐protein crosslink quantum yield was found to be 1.8 × 10‐5 and 1.2 × 10‐4 and that of RNA chain breaks 1.7 × 10‐4 and 8.9 × 10‐4 for nanosecond and picosecond irradiation, respectively.

Original languageEnglish (US)
Pages (from-to)595-598
Number of pages4
JournalPhotochemistry and Photobiology
Volume49
Issue number5
DOIs
StatePublished - May 1989
Externally publishedYes

ASJC Scopus subject areas

  • Biochemistry
  • Physical and Theoretical Chemistry

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