PHYSICAL LINKAGE OF THE A-RAF-1, PROPERDIN, SYNAPSIN-I, AND TIMP GENES ON THE HUMAN AND MOUSE X-CHROMOSOMES

被引:32
作者
DERRY, JMJ [1 ]
BARNARD, PJ [1 ]
机构
[1] MRC,MOLEC NEUROBIOL UNIT,HILLS RD,CAMBRIDGE CB2 2QH,ENGLAND
基金
英国医学研究理事会;
关键词
D O I
10.1016/0888-7543(92)90286-2
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Genes encoding the neuron-specific phosphoprotein synapsin I (SYN1), the glycoprotein tissue inhibitor of metalloproteinases (TIMP), the proto-oncogene A-raf-1 (ARAF1), and properdin (PFC), a positive regulator of the alternative pathway of human complement, lie within a conserved synteny encompassing the proximal short arm of the human X chromosome (Xp21.1-p11) and the centromeric end of the mouse X chromosome (A1-A5). We have used a mouse interspecific cross to demonstrate genetic linkage of Syn-1, Timp, and Araf and also show physical linkage, with Timp lying only 10 kb from Araf, within an intron of the Syn-1 gene. Detailed restriction mapping shows that Timp is transcribed in the same direction as Araf but in the opposite direction to the Syn-1 gene. Analysis of the corresponding region of the human X chromosome indicates a similar arrangement and in addition shows that the properdin gene lies within 5 kb of the 5′ end of the synapsin I gene. © 1992.
引用
收藏
页码:632 / 638
页数:7
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