2.5.2. Extraction of high-molecular-weight genomic DNA from
microtissue samples of urinary bladder urothelium and in vitro
packaging of l phage DNA
Briefly, using a toothpick, mucosal samples were transferred
into 600 ml cell lysis buffer (8.20 g NaCl, 0.22 g KCl, 120 g sucrose,
0.30 g EDTA, 10 ml Triton X-100 and 1.58 g TriseHCl (pH 8.3) in 1 L
dH2O), the sample was homogenized by pipetting, and the solution
was centrifuged at 13,200 rpm in a microfuge at 4 C for 12 min. The
supernatant was discarded and the nuclei were resuspended in
2.5.2. Extraction of high-molecular-weight genomic DNA frommicrotissue samples of urinary bladder urothelium and in vitropackaging of l phage DNABriefly, using a toothpick, mucosal samples were transferredinto 600 ml cell lysis buffer (8.20 g NaCl, 0.22 g KCl, 120 g sucrose,0.30 g EDTA, 10 ml Triton X-100 and 1.58 g TriseHCl (pH 8.3) in 1 LdH2O), the sample was homogenized by pipetting, and the solutionwas centrifuged at 13,200 rpm in a microfuge at 4 C for 12 min. Thesupernatant was discarded and the nuclei were resuspended in
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