Hlanza ngokushesha i-DNA ye-genomic yekhwalithi ephezulu kubhaktheriya esigabeni sokukhula se-logarithmic.
◮Akukho ukungcoliswa kwe-RNase:Ikholomu Ye-DNA Kuphela ehlinzekwa ikhithi yenza kube nokwenzeka ukususa i-RNA ku-DNA ye-genomic ngaphandle kokwengeza i-RNase phakathi nokuhlolwa, ukuvimbela ilabhorethri ukuthi ingangcoliswa i-RNase yangaphandle.
◮Isivinini esisheshayo:I-Foregene Protease inomsebenzi ophezulu kunama-protease afanayo, futhi igaya amasampula ezicubu ngokushesha;ukusebenza kulula, futhi ukusebenza kwe-genomic DNA extraction kungaqedwa phakathi kwemizuzu engu-20-80.
◮Kulula:I-centrifugation yenziwa ekamelweni lokushisa, futhi asikho isidingo se-centrifugation yezinga lokushisa eliphansi elingu-4°C noma imvula ye-ethanol ye-DNA.
◮Ukuphepha:Akukho kukhishwa kwe-organic reagent edingekayo.
◮Ikhwalithi ephezulu:I-DNA ye-genomic ekhishiwe inezicucu ezinkulu, ayikho i-RNA, ayikho i-RNase, nokuqukethwe kwe-ion ephansi kakhulu, okungahlangabezana nezidingo zokuhlola okuhlukahlukene.
◮Isistimu ye-Micro-elution:Ingakhuphula ukugxila kwe-genomic DNA, elungele ukutholwa komfula noma ukuhlolwa.