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A DNA Mycovirus Identified by Researchers at HZAU

[ 添加日期:2010-05-31 点击率:4857 评论数:0 条]

Research staff from College of Plant Science and State Key Laboratory of Agricultural Microbiology have discovered a DNA mycovirus under the leadership of Prof. Jiang Daohong. The findings were published in Proceedings of the National Academy of Sciences of the United States of America (PANS) with postgraduate Yu Xiao and Ph. D. candidate Li Bo as joint first authors.
Mycoviruses are viruses that infect and multiply in fungi and are effective in  combating fungal diseases. So far all known mycoviruses have RNA genomes. No mycoviruses with DNA genomes have previously been identified. Jiang’s group reports a DNA mycovirus named Sclerotinia sclerotiorum hypovirulence-associated DNA virus 1 (SsHADV-1). Research shows that SsHADV-1 is related to geminiviruses, but differs notably from geminiviruses both in genome organization and particle morphology.
The discovery of a DNA mycovirus increases the possibility of exploring fungal viruses as valuable tools for molecular manipulation of fungi and for plant disease control.
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