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对小鼠免疫球蛋白重链基因和血清前白蛋白基因的连锁分析确定了它们在12号染色体上的位置,该位置靠近12F1带中的T(5;12)31H断点。

Linkage analyses of murine immunoglobulin heavy chain and serum prealbumin genes establish their location on chromosome 12 proximal to the T (5;12) 31H breakpoint in band 12F1.

作者信息

Meo T, Johnson J, Beechey C V, Andrews S J, Peters J, Searle A G

出版信息

Proc Natl Acad Sci U S A. 1980 Jan;77(1):550-3. doi: 10.1073/pnas.77.1.550.

Abstract

Analysis of backcross mice carrying the Harwell translocation T(5;12)31H has led to the definitive localization of the immunoglobulin heavy chain gene cluster. Both Igh-1 and Pre-1 loci were found to segregate in tight linkage with the chromosomal markers 5(12) and 12(5), which define the balanced translocation T(5;12)31H. Additional data establish the location of these genes at the telomeric end of chromosome 12. That both loci are proximal to the chromosomal breakpoint in band 12F1 is shown by the phenotypes of segregants aneuploid for the presence or absence of the small marker 5(12). The order of loci inferred from a single recovered recombinant is: centromere-Igh-1-Pre-1-T(5;12)31H.

摘要

对携带哈韦尔易位T(5;12)31H的回交小鼠进行分析,已明确了免疫球蛋白重链基因簇的定位。发现Igh-1和Pre-1基因座均与定义平衡易位T(5;12)31H的染色体标记5(12)和12(5)紧密连锁分离。其他数据确定了这些基因在12号染色体端粒末端的位置。对于存在或不存在小标记5(12)的非整倍体分离株的表型表明,这两个基因座均靠近12F1带中的染色体断点。从单个回收的重组体推断出的基因座顺序为:着丝粒-Igh-1-Pre-1-T(5;12)31H。

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本文引用的文献

3
Genetics of immunoglobulins in the mouse.小鼠免疫球蛋白的遗传学
Adv Immunol. 1967;7:91-145. doi: 10.1016/s0065-2776(08)60127-3.
7
Terminology for prealbumin loci in the house mouse.家鼠中前白蛋白基因座的术语。
J Hered. 1976 Mar-Apr;67(2):113. doi: 10.1093/oxfordjournals.jhered.a108674.
8
Genetic variation in plasma prealbumin of the house mouse.家鼠血浆前白蛋白的基因变异
J Hered. 1975 Jan-Feb;66(1):19-22. doi: 10.1093/oxfordjournals.jhered.a108563.
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Robertsonian metacentrics in the mouse.小鼠中的罗伯逊中着丝粒染色体
Chromosoma. 1976 Nov 29;58(4):341-53. doi: 10.1007/BF00292842.

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