MycoplasmatestsaccordingtotheEuropeanPharmacopoeia(EP)Chapter2.6.7requireasensitivityof10colonyformingunits(CFU)permlsamplevolumeforNAT-basedmethodssuchasPCRinordertoreplacetrADItionalculturemethods.Thissensitivitymustbeaccomplishedaspartoftherobustnesstestingforanyparticularsamplematrix.
Usingvitalmycoplasmaisnotacceptableforthemajorityofcellculturelaboratoriesduetosafetyregulations.Our10CFU™sensitivitystandardscontainnon-vitalmaterialandallowsafeandreliablevalidation.
ThemycoplasmaweregrowninculturemediumasdescribedinEP2.6.7,subsequentlytitratedandplatedonHayflickandFreymediumforCFUdetermination.Themycoplasmawereharvestedintheearlylogarithmicgrowthphasetoensureahighratioofvitaltonon-vitalmycoplasmaandthusalowratioofGU*toCFU.AllstrainswereobtainedfromtheNationalCollectionofTypeCultures(NCTC),UK,andcultivatedinlowpassages.
10CFU™SensitivityStandardsareintendedforvalidatingtherobustnessandsensitivityofNAT-basedmycoplasmatests.
Unitpackage:3vialscontaining10cfuoftheparticularmycoplasmaaswellas3vialsnegativecontrol
Setpackage:2vialsofeachEP2.6.7-listedmycoplasmacontaining10cfu(18vialsintotal)aswellas2vialsnegativecontrol
Thecomponentsarelyophilized.
ApplicationofaPCR-basedmycoplasmatest,e.g.Venor®GeMqEPMycoplasmaDetectionkit
Sterile1.5mlreactiontubes,filtertips,appropriateDNAextractionkit
Microcentrifuge,microPipettes
Thedateofexpiryisgivenoneachpackage.Theunopenedkitshouldbestoredat+2to+8°C.
Figure–10CFUwerere-sUSPendedin1mlcellculturemedium,200µlwereusedforDNAextractionwiththeVenor®GeMSamplePreparationKit.ThemycoplasmaPCR-testwasperformedwiththeMicrosart®ATMPMycoplasmakitandaCorbettRotorGene®6000cycler.
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