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Complete genomic sequence of southern rice blacked-dwarf virus, a novel fijivirus, from Vietnam.

ABSTRACT: The nucleotide sequences of the ten genomic segments of a Vietnam isolate of southern rice blacked-dwarf virus were determined. This complete genomic sequence will help to further understand the viral etiology (origin of viral pathogen) and phylogenetic relationships among fijiviruses.

SUBMITTER: Xue J

PROVIDER: S-EPMC3662814 | biostudies-literature | 2013 May

REPOSITORIES: biostudies-literature

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Complete genomic sequence of southern rice blacked-dwarf virus, a novel fijivirus, from Vietnam.

Xue Jin J Li Jing J Ta Hoang-Anh HA Zhang Heng-Mu HM Yang Jian J Lv Ming-Fang MF Meng Yuan Y Li Pei-Pei PP Chen Jian-Ping JP

Genome announcements 20130523 3

The nucleotide sequences of the ten genomic segments of a Vietnam isolate of southern rice blacked-dwarf virus were determined. This complete genomic sequence will help to further understand the viral etiology (origin of viral pathogen) and phylogenetic relationships among fijiviruses. ...[more]

PMID: 23704174

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Project description:BackgroundSouthern rice black-streaked dwarf virus (SRBSDV) has spread from the south of China to the north of Vietnam in the past few years, and has severely influenced rice production. However, previous study of traditional SRBSDV transmission method by the natural virus vector, the white-backed planthopper (WBPH, Sogatella furcifera), in the laboratory, researchers are frequently confronted with lack of enough viral samples due to the limited life span of infected vectors and rice plants and low virus acquisition and inoculation efficiency by the vector. Meanwhile, traditional mechanical inoculation of virus only apply to dicotyledon because of the higher content of lignin in the leaves of the monocot. Therefore, establishing an efficient and persistent-transmitting model, with a shorter virus transmission time and a higher virus transmission efficiency, for screening novel anti-SRBSDV drugs is an urgent need.MethodsIn this study, we firstly reported a novel method for transmitting SRBSDV in rice using the bud-cutting method. The transmission efficiency of SRBSDV in rice was investigated via the polymerase chain reaction (PCR) method and the replication of SRBSDV in rice was also investigated via the proteomics analysis.ResultsRice infected with SRBSDV using the bud-cutting method exhibited similar symptoms to those infected by the WBPH, and the transmission efficiency (>80.00%), which was determined using the PCR method, and the virus transmission time (30 min) were superior to those achieved that transmitted by the WBPH. Proteomics analysis confirmed that SRBSDV P1, P2, P3, P4, P5-1, P5-2, P6, P8, P9-1, P9-2, and P10 proteins were present in infected rice seedlings infected via the bud-cutting method.ConclusionThe results showed that SRBSDV could be successfully transmitted via the bud-cutting method and plants infected SRBSDV exhibited the symptoms were similar to those transmitted by the WBPH. Therefore, the use of the bud-cutting method to generate a cheap, efficient, reliable supply of SRBSDV-infected rice seedlings should aid the development of disease control strategies. Meanwhile, this method also could provide a new idea for the other virus transmission in monocot.

Dataset Information

Complete genomic sequence of southern rice blacked-dwarf virus, a novel fijivirus, from Vietnam.

Publications

Complete genomic sequence of southern rice blacked-dwarf virus, a novel fijivirus, from Vietnam.

Similar Datasets

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