Singlecellwholegenomeamplification(WGA)withlessbiasmakingthiskitideallysuitedfornextgenerationsequencingapplications.
- Highsensitivity:Typicalyieldisgreaterthan5µgwhenstartingwithasinglemammaliancell.
- Reducedamplificationbiasandnoprimerartefacts:Primer-freeamplificationmethodutilizesacombinationofTthPrimPolPrimase(tosynthesizeprimers)andPhi29DNApolymerase.
- Wellsuitedfornextgenerationsequencing:TestedinIlluminaandIonTorrentNGSworkflows.
- Easyandreliable
- InsensitivetoexternalDNAcontamination
- HowdoesTruePrime™Technologywork?
- Wholegenomeamplificationfrom5cells
- Absenceofprimerartefacts
- InsensitivitytoexternalDNAcontaminations
- Excellentgenomecoverage
HowdoesTruePrimetechnologywork?
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Wholegenomeamplificationfrom5cells
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Absenceofprimerartefacts
1pgofhumangenomicDNA(~1/6ofthecontentofonehuman/mammaliancell)hasbeenamplifiedusingeitherTruePrime™(TthPrimPol-basedMDA)orrandomprimedMDAreactions.Randomprimedreactionscontain20%ofsequencesthatcannotbemappedtoanyorganisminsequencedatabases.
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InsensitivitytoexternalDNAcontaminations
Duetothehighsensitivityofsinglecellwholegenomeamplificationtechniquesthereisaconsiderabledangerofcontaminatingreactionswithnon-targetderivedDNA.Wethereforerecommendtotakeextremecarewhensettingupsinglecellamplificationreactionsaslaidoutinthehandbook.However,TruePrime™usershaveauniqueadvantagehere:TruePrime™doesnotacceptnon-denaturedDNAstrandsastemplateasreADIlyasrandomprimedMDAreactions.Therefore,contaminationscominginfromtheenvironmentetc.afterthedenaturationstepwillnothaveastronginfluenceonthecompositionofyourreactionoutput.WehaveshownthisbehaviourinanexperimentwherewesimulateanexternalDNAcontaminationbydeliberatelyaddinginyeastDNAtoadenaturedhumanDNAtemplate.YeastDNAisinathousand-foldexcessoverthetargetDNA(1pghumangenomicDNA):
WhereaswithTruePrime™thevastmajorityofthesequencesobtainedaretarget-derived,randomprimedMDAshowsamajorityofcontaminant-derivedsequences.
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Excellentgenomecoverage
WehaveamplifiedandsequencedtheyeastgenomeusingTruePrime™andIlluminatechnology.Using2.5millionreadpairswecover99.4%ofthetotalyeastgenome.Shownisthecoveragewithnarrowwidthofthedistributioncurve.
Acoveragegraphofyeastchromosome7exemplifiesthemoreevencoverageobtainedbyTruePrime™MDA(middlebluelinerepresentsmeancoverage).
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ORDERINFORMATION
EachTruePrime™SingleCellWGAKitversion2.0contains:BufferL1,DTT,BufferN,ReactionBuffer,dNTPs,Water,Enzyme1,Enzyme2,Control1,andControl2.ThecompletemanualisavailableundertheManualtab.LucigenisanauthorizeddistributorofSygnisproductsintheUS.TruePrime™SingleCellWGAversion2.0kitisintendedformolecularBIOLOGyuseonlyandinvitrouseonly.Thisproductisnotintendedfordiagnosis,preventionortreatmentofadiseaseinhumanbeingsoranimals.
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