ARNaseH-reversetrancriptasewithimprovedthermalstABIlity,efficiencyandprocessivityfortheproductionofCDNAfromlonganddifficultmRNAtemplates.
- Improvedthermalstability:Activeupto85ºC
- HighyieldsoffirststrandcDNA
- Highprocessivity:ProducescDNAoflongestmRNAsinthemammaliantranscriptome
- Greatsensitivity: WorkswithpgamountsofstartingtotalRNA
- Highreproducibility
- Robustandreliable
SunScript™ReverseTranscriptaseRNaseH-isaengineeredreversetranscriptasebasedonthewellcharacterizedHIV-1RTwithhighThermostabilityandnoRnaseHactivity.IthasRNA-andDNA-dependentpolymeraseactivity.Thisenzymeisactiveupto85°C.TheeliminationofRNaseHactivityenablesthisenzymetoproducehighyieldsoffulllengthcDNAfromlongRNAmolecules,andthehighthermalstabilitypromotesreversetransriptionthroughcomplexsecondarystructures.
- Reversetransciptionattemperaturesashighas85°C
- HighsensitivityoverawideRNAofstartingRNAamounts
- ReversetranscriptionoflongmRNAs
- HighcDNAsynthesisrate
Reversetransciptionattemperaturesashighas85°C
100ngoftotalRNAfromHeLacellswerereversetranscribedattheindicatedtemperaturesfor60minwithSunScriptReverseTranscriptasesandOligo(dT)18 primer,followedbyinactivationat95°Cfor10min.PresenceofGAPDHcDNAwasdetectedbyPCR(productlength305bp).
HighreactiontemperaturesareadvantageoustotranscribeRNAswithcomplicatedsecondarystructures.
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HighsensitivityoverawiderangeofRNAconcentrations
Sensitivitytest:RTreactionswereperformedat70°Cfor60min.Inactivationat95°Cfor10min.
Primerset:HumanGAPDH305bpset
1-1µgHumantotalRNAfromHeLacells
2-100ngHumantotalRNAfromHeLacells
3-10ngHumantotalRNAfromHeLacells
4-1ngHumantotalRNAfromHeLacells
5-100pgHumantotalRNAfromHeLacells
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TranscriptionoflongmRNAs
1-SunScript™RTRNaseH+replicate1
2-SunScript™RTRNaseH+replicate2
3-SunScript™RTRNaseH+replicate3
4-SunScript™RTRNaseH-replicate1
5-SunScript™RTRNaseH-replicate2
6-SunScript™RTRNaseH-replicate3
AssayforlongmRNAreversetranscription:3independentRTreactionswereperformedat65°Cfor60minusingOligo(dT)20 primers.Inactivationat95°Cfor10min.PCRPrimersets:mmNEB(>16kbfrom3’endofmRNA;mRNAtotallength22,5kb);mmDnah8(>8,5kbfrom3’endofmRNA;mRNAtotallength14,5kb)
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HighcDNAsynthesisrate
1µgoftotalRNAfromHeLacellswasreversetranscribedat65°CfortheindicatedtimeswithSunScript™ReverseTranscriptasesandOligo(dT)18primer,followedbyinactivationat95°C10min.
PCRPrimerset:hsHERC4033(>11kbfrom3’endofmRNA;mRNAtotallength15.3kb)
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ORDERINFORMATION
EachSunScript™RTRNaseH-contains:enzyme,5XReactionBufferandDTT.ThecompletemanualisavailableundertheManualtab.LucigenisanauthorizeddistributorofSygnisproductsintheUS.
SunScript™ReverseTranscriptaseRNaseH-isintendedformolecularBIOLOGyuseonlyandinvitrouseonly.Thisproductisnotintendedfordiagnosis,preventionortreatmentofadiseaseinhumanbeingsoranimals.
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多谢……
各位大侠：小弟最近做个长片段的CDNA与T载体的连接，片段大小6.4K，载体选用的是pUC19和pGEMT-easy,反转录酶用的是RevertAidTirstStrandcDNASynthesisKit(#K1621)，CDNA第二链的扩增用的是LATaq。我是用纯病毒的RNA做模板，操作步骤严格按照说明做的，也曾经有一次获得过电泳图清晰显示的是全长6.4KB左右的片段，与载体连接，结果筛选到的几个克隆，插入的片段仅有2KB左右，奈何？可最近几次再用此反转录试剂盒却不能得到所需片段。在此，小弟想问问大家，你们是否遇到同样的问题，是如何解决的？所用的试剂（载体和酶的选择）和方法是什么，可以告诉后来者，共同进步吧。
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