56 The occurrence of potato common scab correlates

56 The occurrence of potato common scab correlates with the community composition and function of the geocaulosphere soil microbiome.RESEARCHOpenAccessTheoccurrenceofpotatocommonscabcorrelateswiththecommunitycompositionandfunctionofthegeocaulospheresoilmicrobiomeWencongShi1,2,MingcongLi1,2,GuangshanWei3,4,RenmaoTian5,CuipingLi1,2,BingWang2,6,RongshanLin2,6,ChunyuShi1,7,XiuliChi8,BoZhou2,6*andZhengGao1,2,5*AbstractBackground:Soilmicroorganismscanmediatetheoccurrenceofplantdiseases.Potatocommonscab(CS)isarefractorydiseasecausedbypathogenicStreptomycesthatoccursworldwide,butlittleisknownabouttheinteractionsbetweenCSandthesoilmicrobiome.Inthisstudy,foursoil-rootsystemcompartments(geocaulospheresoil(GS),rhizospheresoil(RS),root-zonesoil(ZS),andfurrowsoil(FS))wereanalyzedforpotatoplantswithnaturallyhigh(H)andlow(L)scabseveritylevels.WeaimedtodeterminethecompositionandputativefunctionofthesoilmicrobiomeassociatedwithpotatoCS.Results:ThecopynumbersofthescabphytotoxinbiosyntheticgenetxtABandthe