Gene amplification in methotrexate-resistant mouse cells. III. Interrelationships between chromosome changes and DNA sequence amplification or loss.

Gene amplification in methotrexate-resistant mouse cells. III. Interrelationships between chromosome changes and DNA sequence amplification or loss.
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甲氨蝶呤抗性小鼠细胞中的基因扩增。

DOI:
10.1016/0022-2836(81)90276-x
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发表时间:
1981
影响因子:
5.6
通讯作者:
C. Bostock
C. Bostock
中科院分区:
生物学2区
文献类型:
--
作者:
C. Tyler;C. Bostock

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在耐甲氨蝶呤的小鼠细胞的单个亚系中,扩增的DNA序列具有复杂的细胞内位置,一些与“双微小”染色体有关,另一些与正常大小的染色体有关。然而,在一个细胞系内,可能在一个细胞内,它们的内部结构是稳定和均匀的。这些结果和以前的论文(Bostock&Tyler-Smith,1981)表明,这些细胞中的基因扩增有两个不同的阶段。首先,通过DNA重排过程产生一个可扩增单位。第二,单位数量增加,但结构不变。
The amplified DNA sequences within a single subline of methotrexate-resistant mouse cells have a complex intracellular location, some being associated with “double minute” chromosomes, and some with normal-sized chromosomes. However, within a cell line and probably within a cell their internal structure is stable and homogeneous. These results, and those from the previous paper (Bostock & Tyler-Smith, 1981), suggest that gene amplification in these cells has two distinct stages. Firstly, an amplifiable unit is generated by a process involving DNA rearrangement. Secondly, the unit increases in number but remains unchanged in structure.
小鼠 DNA 中的一个中等重复序列家族。
DOI: 10.1093/nar/8.18.4075
发表时间: 1980
影响因子: 14.9
作者:
Cheng,SM;Schildkraut,CL
通讯作者: Schildkraut,CL
通过 DNA 介导的基因转移改变基因型和表型。
DOI: 10.1126/science.7414320
发表时间: 1980
期刊: Science (New York, N.Y.)
影响因子: --
作者:
Pellicer,A;Robins,D;Wold,B;Sweet,R;Jackson,J;Lowy,I;Roberts,JM;Sim,GK;Silverstein,S;Axel,R
通讯作者: Axel,R