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这个 也不是太懂,今天才搞懂 , 山中文章图片里最后一栏 的 RT-MInus 就是 直接用RNA样品来做 PCR 以 ...
3 P D$ J$ `% W& z. U上海过客 发表于 2010-7-1 16:28 
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minus就是缺失的意思,应该是这么解释。我查看了下原始文献,摘录一段给大家参考(666页左下段):
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No combination of two factors could induce the formation of G418-resistant colonies (Figure 2C). Two combinations of three factors—Oct3/4, Sox2, and c-Myc (minus Klf4) or Klf4, Sox2, and c-Myc (minus Oct3/4)—generated a single, small colony in each case, but these could not be maintained in culture. With the combination of Oct3/4,Klf4, and Sox2 (minus c-Myc), we observed the formation of 36 G418-resistant colonies, which, however, exhibited a flat, non-ES-cell-like morphology. With the combination of Oct3/4, Klf4, and c-Myc (minus Sox2), we observed the formation of 54 G418-resistant colonies, of which we picked 6. Although all 6 clones could be maintained over several passages, the morphology of these cells (iPS-MEF3) differed from that of iPS-MEF4 and iPS-MEF10 cells, with iPS-MEF3 colonies exhibiting rough surfaces (Figure 2D). |
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