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Viruses 2009, 1(3), 1325-1350;

Satellite RNAs and Satellite Viruses of Plants

Graduate Institute of Biotechnology, National Chung Hsing University, Taichung, 402, Taiwan
Institute of Plant and Microbial Biology, Academia Sinica, Taipei, 115, Taiwan
Author to whom correspondence should be addressed.
Received: 28 October 2009 / Revised: 7 December 2009 / Accepted: 7 December 2009 / Published: 18 December 2009
(This article belongs to the Special Issue Subviral RNAs)
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The view that satellite RNAs (satRNAs) and satellite viruses are purely molecular parasites of their cognate helper viruses has changed. The molecular mechanisms underlying the synergistic and/or antagonistic interactions among satRNAs/satellite viruses, helper viruses, and host plants are beginning to be comprehended. This review aims to summarize the recent achievements in basic and practical research, with special emphasis on the involvement of RNA silencing mechanisms in the pathogenicity, population dynamics, and, possibly, the origin(s) of these subviral agents. With further research following current trends, the comprehensive understanding of satRNAs and satellite viruses could lead to new insights into the trilateral interactions among host plants, viruses, and satellites. View Full-Text
Keywords: satellite RNA; satellite virus; replication; RNA silencing; pathogenicity satellite RNA; satellite virus; replication; RNA silencing; pathogenicity

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Hu, C.-C.; Hsu, Y.-H.; Lin, N.-S. Satellite RNAs and Satellite Viruses of Plants. Viruses 2009, 1, 1325-1350.

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