Genomic organization, chromosomal assignment, and expression analysis of the mouse Suppressor of fused gene (Sufu) coding a Gli protein partner

被引:17
作者
Simon-Chazottes, D
Paces-Fessy, M
Lamour-Isnard, C
Guénet, JL
Blanchet-Tournier, MF
机构
[1] Univ Paris 06, Inst Jacques Monod, Lab Genet Dev & Evolut, F-75251 Paris 05, France
[2] Univ Denis Diderot, Inst Jacques Monod, Lab Genet Dev & Evolut, F-75251 Paris, France
[3] Inst Pasteur, Unite Genet Mammiferes, F-75724 Paris 15, France
关键词
D O I
10.1007/s003350010144
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Suppressor of fused (Sufu) is a negative regulator of the Hedgehog pathway both in Drosophila and vertebrates. Here, we report the genomic organization of the mouse Sufu gene (mSufu). This gene comprises 11 exons spanning more than 30 kb and encodes a protein with a putative PEST sequence. DNA-consensus sequences recognized by basic helix-loop-helix (bHLH) proteins, referred to as E-box motifs, are found in the 5' flanking region. Analysis by single-strand conformation polymorphism and radiation hybrid positioned the Sufu locus to the distal end of mouse Chr 19 between D19Mit102 and D19Mit9, near the Fgf8 and dactylin genes. Mouse Sufu is expressed in various tissues, particularly in the nervous system, ectoderm, and limbs, throughout the developing embryo. Sufu binds with all three Gli proteins, with different affinities. This report, in conjunction with recent studies, points out the importance of SuFu in mouse embryonic development.
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页码:614 / 621
页数:8
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