Samanta H, Pravtcheva D D, Ruddle F H, Lengyel P
J Interferon Res. 1984 Spring;4(2):295-300. doi: 10.1089/jir.1984.4.295.
The 202 gene which specifies a 56.5 kD protein can be induced in Ehrlich ascites tumor cells by treatment with mouse beta interferon. This treatment increases the level of the gene 202-specific mRNA at least 12-fold. For determining the chromosomal location of this gene a 1.5 kb fragment of the gene was hybridized to EcoR1 digested DNA samples from a set of mouse-hamster somatic cell hybrids. Each of the cell hybrids used contained a complete array of hamster chromosomes and one or more mouse chromosomes. The 202 gene fragment hybridized to every DNA sample from cell hybrids containing mouse chromosome 1 (8 hybrids in total) and to none of the DNA samples from hybrids lacking this chromosome (7 hybrids in total). These and other data indicate that the 202 gene is located on mouse chromosome 1.
编码56.5 kD蛋白的202基因可通过用小鼠β干扰素处理在艾氏腹水瘤细胞中被诱导。这种处理使202基因特异性mRNA的水平至少增加12倍。为了确定该基因的染色体定位,将该基因的一个1.5 kb片段与一组小鼠-仓鼠体细胞杂种经EcoR1消化的DNA样品杂交。所使用的每个细胞杂种都包含一套完整的仓鼠染色体和一条或多条小鼠染色体。202基因片段与来自含有小鼠1号染色体的细胞杂种的每个DNA样品(总共8个杂种)杂交,而与来自缺乏该染色体的杂种的DNA样品(总共7个杂种)均不杂交。这些以及其他数据表明202基因位于小鼠1号染色体上。