Journal
VIRUS RESEARCH
Volume 188, Issue -, Pages 128-141Publisher
ELSEVIER
DOI: 10.1016/j.virusres.2014.04.007
Keywords
dsRNA virus; Fungal virus; Plant virus; Protozoal virus; Partitivirus; Partitiviridae; Cryptovirus; Virus taxonomy
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Funding
- Kentucky Science and Engineering Foundation [KSEF-2178-RDE-013]
- Academy of Finland [251193]
- Finnish Forest Research Institute
- China National Funds for Distinguished Young Scientists [31125023]
- Japan Science and Technology Research Promotion Program for Agriculture, Forestry, Fisheries, and Food Industry
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Phylogenetic analyses have prompted a taxonomic reorganization of family Partitiviridae (encapsidated, bisegmented dsRNA viruses that infect plants, fungi, or protozoa), the focus of this review. After a brief introduction to partitiviruses, the taxonomic changes are discussed, including replacement of former genera Partitivirus, Alphacryptovirus, and Betacryptovirus, with new genera Alphapartitivirus, Betapartitivirus, Gammapartitivirus, and Deltapartitivirus, as well as redistribution of species among these new genera. To round out the review, other recent progress of note in partitivirus research is summarized, including discoveries of novel partitivirus sequences by metagenomic approaches and mining of sequence databases, determinations of fungal partitivirus particle structures, demonstrations of fungal partitivirus transmission to new fungal host species, evidence for other aspects of partitivirus host interactions and host effects, and identification of other fungal or plant viruses with some similarities to partitiviruses. Some outstanding questions are also discussed. (C) 2014 Elsevier B.V. All rights reserved.
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