1887

Abstract

Summary

Synthetic transcripts of beet necrotic yellow vein virus (BNYVV) RNA-3 and RNA-4 were prepared from cloned cDNA in a bacteriophage T7 run-off transcription system. The RNA-3 transcripts tested had 5′ non-viral extensions of 1, 23 or 64 nucleotides and identical 3′ non-viral extensions of 12 nucleotides. An RNA-4 transcript with a 12 nucleotide 5′ non-viral extension and a 28 nucleotide 3′ non-viral extension was also synthesized. All of the transcripts were biologically active when coinoculated to with BNYVV isolates deficient in RNA-3 and/or RNA-4 but the presence of a long 5′ non-viral sequence on the RNA-3 transcripts was found to diminish their specific activities considerably.

Keyword(s): BNYVV , furovirus and rhizomania
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/content/journal/jgv/10.1099/0022-1317-69-9-2347
1988-09-01
2019-10-18
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http://instance.metastore.ingenta.com/content/journal/jgv/10.1099/0022-1317-69-9-2347
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