Diversity of dsRNA Viruses Infecting Rice Sheath Blight Fungus Rhizoctonia solani AG-1 IA-中国期刊网

摘要 Ricesheathblight,causedbyRhizoctoniasolani(Kühn),isanotorioussoil-bornediseaseprevalentinmanyrice-growingregions.AlthoughseveralsporadicstudiesofmycovirusesinR.solaniAG-1IAhavebeenreportedforsinglestrainofR.solaniAG-1IA,therehavebeennoreportsdescribingthedistributionanddiversityofmycovirusesinnaturalpopulations.Inthisstudy,43R.solaniAG-1IAstrainscollectedfromdifferentlocationsinChinawereexaminedforthepresenceofdsRNAelementstoconfirmthepresenceofviralinfections.Electrophoretypesshowedthat16ofthe43fungalstrains(37.2%)containeddsRNAsthatcanbecharacterizedasviruses.Furthermore,thespecies-specificreversetranscriptionPCR(RT-PCR)showeddsRNAbandswithsimilarsizesdonotalwayscontainthesamevirusbutexistasmixedmycoviralinfections.Thus,ourfindingsindicatemycovirusesinfectingR.solaniAG-1IAinChinaarediverse,widespreadanduniversal.

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Diversity of dsRNA Viruses Infecting Rice Sheath Blight Fungus Rhizoctonia solani AG-1 IA

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Diversity of dsRNA Viruses Infecting Rice Sheath Blight Fungus Rhizoctonia solani AG-1 IA

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