The genome sequence of Dioscorea bacilliform TR virus, a member of the genus Badnavirus infecting Dioscorea spp., sheds light on the possible function of endogenous Dioscorea bacilliform viruses
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- 作者：Marie Umber ; Rose-Marie Gomez ; Suzia Gélabale ; Lydiane Bonheur…
- 关键词：Dioscorea ; Badnavirus ; Yam ; Dioscorea bacilliform TR virus ; Genome
- 刊名：Archives of Virology
- 出版年：2017
- 出版时间：February 2017
- 年：2017
- 卷：162
- 期：2
- 页码：517-521
- 全文大小：
- 刊物类别：Biomedical and Life Sciences
- 刊物主题：Virology; Medical Microbiology; Infectious Diseases;
- 出版者：Springer Vienna
- ISSN：1432-8798
- 卷排序：162
文摘
The complete genome sequence of Dioscorea bacilliform TR virus (DBTRV) was determined. The closest relatives of DBTRV are Dioscorea bacilliform AL virus (DBALV) and Dioscorea bacilliform RT virus 1 (DBRTV1). Specific primers were designed and used to determine the prevalence of DBTRV in a yam germplasm collection. It was found that this virus infects Dioscorea alata and D. trifida plants in Guadeloupe and French Guyana. DTRBV was not detected in any of the tested D. cayenensis-rotundata accessions. In silico analysis provided evidence for the presence of DBTRV-like endogenous sequences in the genome of D. cayenensis-rotundata, pointing to a possible role of these sequences in antiviral defense.