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猴病毒40的tsA突变体对BALB/c - 3T3细胞的转化:转化技术对转化表型的影响

Transformation of BALB/c-3T3 cells by tsA mutants of simian virus 40: effect of transformation technique on the transformed phenotype.

作者信息

Kelley S, Bender M A, Brockman W W

出版信息

J Virol. 1980 Jan;33(1):550-2. doi: 10.1128/JVI.33.1.550-552.1980.

Abstract

Simian virus 40 tsA-transformed BALB/c-3T3 cells isolated as foci of overgrowth in liquid medium were compared with those isolated as colonies in soft agar. Efficiencies of transformation were equivalent in the two procedures. Cells isolated as foci were able to grow in agar and vice versa. No difference in temperature sensitivity of the transformed phenotype was detected when tsA transformants selected in agar were compared with those selected as foci. The use of the two different transformation procedures, then, did not form the basis for generation of different transformed phenotypes, and transformants generated in both ways were dependent upon expression of the A gene for maintenance of the transformed state.

摘要

将在液体培养基中作为过度生长灶分离得到的猿猴病毒40 tsA转化的BALB/c - 3T3细胞与在软琼脂中作为集落分离得到的细胞进行比较。两种方法的转化效率相当。作为灶分离得到的细胞能够在琼脂中生长,反之亦然。当比较在琼脂中选择的tsA转化体与作为灶选择的转化体时,未检测到转化表型的温度敏感性差异。因此,使用两种不同的转化程序并不是产生不同转化表型的基础,并且通过两种方式产生的转化体都依赖于A基因的表达来维持转化状态。

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