Genomic organization, chromosomal assignment, and expression analysis of the mouse suppressor of fused gene (Sufu) coding a Gli protein partner.
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.
Simon-Chazottes
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D
Unité de Génétique des Mammifères, Institut Pasteur, 25 rue du Dr Roux, 75724 Paris Cedex 15, France.
Paces-Fessy
M
M
Lamour-Isnard
C
C
Guénet
J L
JL
Blanchet-Tournier
M F
MF
D017398:Alternative Splicing; D000818:Animals; D001483:Base Sequence; D002874:Chromosome Mapping; D004247:DNA / Q000737:chemistry / Q000235:genetics; D004622:Embryo, Mammalian / Q000378:metabolism; D005091:Exons; D005260:Female; D018507:Gene Expression Regulation, Developmental; D005796:Genes / Q000235:genetics*; D005982:Glutathione Transferase / Q000235:genetics / Q000378:metabolism; D017403:In Situ Hybridization; D007438:Introns; D008297:Male; D051379:Mice; D008810:Mice, Inbred C57BL; D008969:Molecular Sequence Data; D009115:Muridae; D015513:Oncogene Proteins / Q000235:genetics / Q000378:metabolism; D011485:Protein Binding; D012333:RNA, Messenger / Q000235:genetics / Q000378:metabolism; D011993:Recombinant Fusion Proteins / Q000235:genetics / Q000378:metabolism; D012097:Repressor Proteins / Q000235:genetics* / Q000378:metabolism; D017422:Sequence Analysis, DNA; D015534:Trans-Activators; D014157:Transcription Factors / Q000235:genetics / Q000378:metabolism; D020798:Two-Hybrid System Techniques; D000071676:Zinc Finger Protein GLI1
D015513:Oncogene Proteins; D012333:RNA, Messenger; D011993:Recombinant Fusion Proteins; D012097:Repressor Proteins; C490763:Sufu protein, mouse; D015534:Trans-Activators; D014157:Transcription Factors; D000071676:Zinc Finger Protein GLI1; D004247:DNA; D005982:Glutathione Transferase