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.
出版日期
2018年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)