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1、ArchivffirdiegesamteVirusforschung28,133--150(1969)ClinicalResearchCentre,HarvardHospital,Salisbury,Wilts.,EnglandThePropagationof"Coronaviruses"inTissue-cultureByA.F.BradburneandD.A.J.TyrrellWith10Figures(Received.March13,1969)Inrecentyearsseveralisolationshavebeenmadeofvirus
2、eswhichhaveanunusualmorphologyandwhichcauserespiratorydiseaseinman.Thestructureofthesevirusesisidenticalwiththatofthevirusesofavianinfectiousbronchitis(BrRI~Yetal.,1964)andmousehepatitis(TY~REIJLandALMEIDA,1967).Thevirionsarepleomorphicbodies,80--160m~zindiameter,andarecovered
3、withclub-shapedprojections15m~deepwhichproduceacharacteristicfringearoundtheparticles.Allthevirusesareether-andacid-labileand,astheirreplicationisnotin-hibitedbyBUDR,probablyhaveanRNAgenome.Ithasbeensuggested(Nature220,1968)thatthesevirusesbelongtoasinglebiologicalgroup.Allbut
4、oneofthestrainsofthehumanrespiratoryvirusesofthisgroupwerefirstisolatedinorganculturesofhumanembryonasalandtrachealepithelium(TYR~EnLandBYron,1965;TYI~R~LLandBYNOr,1968;McI~Tosgetal.,1967).Theexception,the229-Evirus,wasisolatedinsecondaryhumankidneytissueculturesinwhichitprodu
5、cedacy-topathiceffect(HAM~EandPaOCK~OW,1966).Thepresenceofotherviruseswasrecognisedbydirectelectron-microscopyofthetissueormedium,bytheinhibitionofciliaryactivityinorgancultures,orbytheproductionofcoldsinvolunteers.TwoisolatesmadebyMCI~TOSlthavebeenadaptedtosucklingmiceinwhich
6、intracerebrMinoculationproducesafataldisease;infectedbraincontainsspecificcomplement-fixingantigens(MclNTosH,BEC~:E~andCHA~OCK,1967).Neutralizationtestsperformedwiththeseisolatesandwiththe229-Evirusshowthattheyareantigenicallydistinct.Theobjectsoftheworkreportedhereweretostudy
7、thegrowthofthe229-Evirusinvarioustissue-culturesystemsandtocultivateothervirusesofthisgroupinasusceptibletissuecultureline.Archlyf.Virusforschung,Bd.28,If.210szt~of~Hanks'inmediumHanksEagle'sinmedittmonly)Eagle'sinEagle'sEagle'sinCultivationsermninininantiserumserumlactMbumin(
8、LAH)growthLAHorcalf(L132serumserumcalforforserumsermnserumSV5
