Acta Virologica Vol.52, No.1, p.63-66, 2008

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Founded: 1957
ISSN 0001-723X
E-ISSN 1336-2305

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Acta Virologica Vol.52, No.1, p.63-66, 2008
Title: NANOVIRUS-LIKE DNA COMPONENT ASSOCIATED WITH THE MALVASTRUM YELLOW MOSAIC VIRUS
Author: X. J. GUO, Y. XIE

Abstract: Nanovirus-like DNA components signed DNA1 are single-stranded molecules associated with monopartite begomovirus-satellite complexes. DNA1 molecules ranging in size from 1373–1385 nucleotides were detected in 5 isolates Hn36, Hn38, Hn39, Hn44, and Hn45 of Malvastrum yellow mosaic virus (MalYMV) isolated in Hainan, China. DNA1 molecules of all isolates contained three characteristics: a single ORF, conserved hairpin structure, and A-rich region. Nucleotide sequence comparison showed that DNA1 molecules of 5 examined isolates shared high sequence identity (71.8–98.8%). In comparison with other begomovirus DNA1 and nanovirus-associated DNA, the sequence identities 59.6–76.3% and 27.2–38.4%, respectively, were found.

Keywords: Malvastrum yellow mosaic virus; DNA1; geminiviruses; nanoviruses
Year: 2008, Volume: 52, Issue: 1	Page From: 63, Page To: 66


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