AK Scientific品牌:AK Scientific美国网
来自 : 蚂蚁淘
YeastRNAMiniprep
- growcellstomid-logphase(10-20ml)(ortakesamplesfromtimecourses,5-25ml)
- spincells,discardsupernatant
- washcellsoncewith1mlcoldRNAbuffer
- freezepelletindryice(andthan@-80°C)
- thawcellsonice
- add100-120µlicecoldRNA-buffer,resUSPendbyvortexing
- add1/2vol.acidwashedglassbeads
- vortexathighestlevel3minincoldroomoruseFastPrepmachine(20sec.,level4.5)
- add450µlRNA-buffer-SDS(RT),vortexbriefly
- add450µlequilibratedPhenol
- vortexathighestlevel3minincoldroom
- spinfullspeed10minincoldroom
- transferupperphasetofreshtube(donottakeanyoftheinterface!)
- add300µlequilibratedPhenol,vortex
- add300µlChloroform,vortex
- spin2min,extractupperphaseonceagainwithChloroform
- add20µl4MNaCl,1mlEthanol
- precipitate30minat-20to-80°C
- spinfullspeed10min
- washpelletwith150µl70%Ethanol
- airdrypellet
- resuspendin30-50µlH2O,storeat-20to-80°C
Buffers:(Allbuffercomponentsandstock-solutions,excepttheTris-stock-solution,areDEPCtreatedandautoclaved)RNA-buffer:50mMTris(HCl)pH7.4;100mMNaCl;10mMEDTA[for100ml:5ml1MTrispH7.4;2.5ml4MNaCl;2ml0.5MEDTA]RNA-buffer-SDS:RNA-buffer+1.3%SDS
免责声明 本文仅代表作者个人观点,与本网无关。其创作性以及文中陈述文字和内容未经本站证实,对本文以及其中全部或者部分内容、文字的真实性、完整性、及时性本站不做任何保证或承诺,请读者仅作参考,并请自行核实相关内容。
版权声明 未经蚂蚁淘授权不得转载、摘编或利用其他方式使用上述作品。已经经本网授权使用作品的,应该授权范围内使用,并注明“来源:蚂蚁淘”。违反上述声明者,本网将追究其相关法律责任。