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Archives of Virology
Erschienen in: Archives of Virology 5/2015

01.05.2015 | Original Article

P5-2 of rice black-streaked dwarf virus is a non-structural protein targeted to chloroplasts

verfasst von: Xiao-Ya Liu, Jian Yang, Li Xie, Jing Li, Xi-Jiao Song, Jian-Ping Chen, Heng-Mu Zhang

Erschienen in: Archives of Virology | Ausgabe 5/2015

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Abstract

The genome segment S5 of rice black-streaked dwarf virus (genus Fijivirus, family Reoviridae) is functionally bicistronic in infected plants. It has a conserved second ORF (P5-2) partially overlapping the major ORF in a different reading frame, but its function remains unknown. P5-2 was detected in infected plants, but not in purified viral particles by Western blotting, indicating that it is a non-structural protein. In immunoelectron microscopy, polyclonal antibodies against P5-2 specifically labelled chloroplasts of infected rice plants. When P5-2 fused with green fluorescent protein was transiently expressed in leaves of Nicotiana benthamiana, fluorescence was also co-localized with chloroplasts. Experiments with deletion mutants of P5-2 showed that its N-terminal part was responsible for its targeting to chloroplasts.
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Metadaten
Titel
P5-2 of rice black-streaked dwarf virus is a non-structural protein targeted to chloroplasts
verfasst von
Xiao-Ya Liu
Jian Yang
Li Xie
Jing Li
Xi-Jiao Song
Jian-Ping Chen
Heng-Mu Zhang
Publikationsdatum
01.05.2015
Verlag
Springer Vienna
Erschienen in
Archives of Virology / Ausgabe 5/2015
Print ISSN: 0304-8608
Elektronische ISSN: 1432-8798
DOI
https://doi.org/10.1007/s00705-015-2382-6

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