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全染色体范围的事件伴随着四倍体细胞中隐性突变的表达。

Chromosome-wide event accompanies the expression of recessive mutations in tetraploid cells.

作者信息

Chasin L A, Urlaub G

出版信息

Science. 1975 Mar 21;187(4181):1091-3. doi: 10.1126/science.1167702.

DOI:10.1126/science.1167702
PMID:1167702
Abstract

Mutants resistant to 6-thioguanine were induced in pseudotetraploid hybrid Chinese hamster cells homozygous wild-type at the locus for hypoxanthine phophoribosyl transferase but heterozygous for the linked marker glucose-6-phosphate dehydrogenase. About half of these mutants had concomitantly lost the wild-type allele for glucose-6-phosphate dehydrogenase, as expected if mutation plus chromosome segregation had occurred.

摘要

在次黄嘌呤磷酸核糖转移酶基因座为纯合野生型,但在连锁标记葡萄糖-6-磷酸脱氢酶基因座为杂合的假四倍体杂种中国仓鼠细胞中,诱导出了对6-硫鸟嘌呤具有抗性的突变体。正如预期的那样,如果发生了突变加染色体分离,这些突变体中约有一半同时失去了葡萄糖-6-磷酸脱氢酶的野生型等位基因。

相似文献

1
Chromosome-wide event accompanies the expression of recessive mutations in tetraploid cells.全染色体范围的事件伴随着四倍体细胞中隐性突变的表达。
Science. 1975 Mar 21;187(4181):1091-3. doi: 10.1126/science.1167702.
2
Isolation of mammalian cell mutants deficient in glucose-6-phosphate dehydrogenase activity: linkage to hypoxanthine phosphoribosyl transferase.缺乏葡萄糖-6-磷酸脱氢酶活性的哺乳动物细胞突变体的分离:与次黄嘌呤磷酸核糖基转移酶的连锁关系
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Ploidy level and mutation to hypoxanthine-guanine-phosphoribosyl-transferase (HGPRT) deficiency in Chinese hamster cells.中国仓鼠细胞的倍性水平及次黄嘌呤 - 鸟嘌呤 - 磷酸核糖转移酶(HGPRT)缺陷突变
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The effect of ploidy on chemical mutagenesis in cultured Chinese hamster cells.倍性对培养的中国仓鼠细胞化学诱变的影响。
J Cell Physiol. 1973 Oct;82(2):299-307. doi: 10.1002/jcp.1040820218.
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Evidence for linkage of 3-phosphoglycerate kinase, hypoxanthine-guanine-phosphoribosyl transferase, and glucose 6-phosphate dehydrogenase loci in Chinese hamster cells studied by using a relationship between gene multiplicity and enzyme activity.利用基因多态性与酶活性之间的关系研究中国仓鼠细胞中3-磷酸甘油酸激酶、次黄嘌呤-鸟嘌呤磷酸核糖转移酶和葡萄糖6-磷酸脱氢酶基因座的连锁证据。
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Spontaneous mutation rate to thioguanine resistance is decreased in polyploid hamster cells.多倍体仓鼠细胞对硫鸟嘌呤耐药的自发突变率降低。
J Cell Physiol. 1978 Jul;96(1):81-6. doi: 10.1002/jcp.1040960110.
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Mutants of cultured chinese hamster cells deficient in adenine phosphoribosyl transferase.缺乏腺嘌呤磷酸核糖转移酶的中国仓鼠培养细胞突变体。
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Linkage of the loci for glucose-6-phosphate dehydrogenase and for inosinic acid pyrophosphorylase to the X chromosome of the field-vole Microtus agrestis.葡萄糖-6-磷酸脱氢酶和肌苷酸焦磷酸化酶基因座与田鼠(Microtus agrestis)X染色体的连锁关系。
J Cell Sci. 1975 Jan;17(1):95-112. doi: 10.1242/jcs.17.1.95.
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Mutant alleles for hypoxanthine phosphoriboxyltransferase: codominant expression, complementation, and segregation in hybrid Chinese hamster cells.次黄嘌呤磷酸核糖转移酶的突变等位基因:在中国仓鼠杂交细胞中的共显性表达、互补作用和分离现象
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Somatic cell hybrids.体细胞杂种
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Chromosome segregation is frequently associated with the expression of recessive mutations in mouse cells.染色体分离常常与小鼠细胞中隐性突变的表达相关。
Proc Natl Acad Sci U S A. 1981 Mar;78(3):1768-72. doi: 10.1073/pnas.78.3.1768.
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Chemical carcinogens transform BHK cells by inducing a recessive mutation.化学致癌物通过诱导隐性突变来转化BHK细胞。
Mol Cell Biol. 1982 Feb;2(2):97-105. doi: 10.1128/mcb.2.2.97-105.1982.
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Amplification of hypoxanthine-guanine phosphoribosyltransferase genes in chromosome-mediated gene transferents.染色体介导的基因转移体中次黄嘌呤 - 鸟嘌呤磷酸核糖基转移酶基因的扩增
Mol Cell Biol. 1984 Apr;4(4):618-24. doi: 10.1128/mcb.4.4.618-624.1984.
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