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Träfflista för sökning "WFRF:(Leeb Tosso) srt2:(2006-2009)"

Sökning: WFRF:(Leeb Tosso) > (2006-2009)

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1.
  • Drögemüller, Cord, et al. (författare)
  • A missense mutation in the SERPINH1 gene in Dachshunds with osteogenesis imperfecta
  • 2009
  • Ingår i: PLoS genetics. - 1553-7404. ; 5:7, s. e1000579-
  • Tidskriftsartikel (refereegranskat)abstract
    • Osteogenesis imperfecta (OI) is a hereditary disease occurring in humans and dogs. It is characterized by extremely fragile bones and teeth. Most human and some canine OI cases are caused by mutations in the COL1A1 and COL1A2 genes encoding the subunits of collagen I. Recently, mutations in the CRTAP and LEPRE1 genes were found to cause some rare forms of human OI. Many OI cases exist where the causative mutation has not yet been found. We investigated Dachshunds with an autosomal recessive form of OI. Genotyping only five affected dogs on the 50 k canine SNP chip allowed us to localize the causative mutation to a 5.82 Mb interval on chromosome 21 by homozygosity mapping. Haplotype analysis of five additional carriers narrowed the interval further down to 4.74 Mb. The SERPINH1 gene is located within this interval and encodes an essential chaperone involved in the correct folding of the collagen triple helix. Therefore, we considered SERPINH1 a positional and functional candidate gene and performed mutation analysis in affected and control Dachshunds. A missense mutation (c.977C>T, p.L326P) located in an evolutionary conserved domain was perfectly associated with the OI phenotype. We thus have identified a candidate causative mutation for OI in Dachshunds and identified a fifth OI gene.
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2.
  • Drögemüller, Cord, et al. (författare)
  • A mutation in hairless dogs implicates FOXI3 in ectodermal development
  • 2008
  • Ingår i: Science. - 0036-8075 .- 1095-9203. ; 321:5895, s. 1462-
  • Tidskriftsartikel (refereegranskat)abstract
    • Mexican and Peruvian hairless dogs and Chinese crested dogs are characterized by missing hair and teeth, a phenotype termed canine ectodermal dysplasia (CED). CED is inherited as a monogenic autosomal semidominant trait. With genomewide association analysis we mapped the CED mutation to a 102-kilo-base pair interval on chromosome 17. The associated interval contains a previously uncharacterized member of the forkhead box transcription factor family (FOXI3), which is specifically expressed in developing hair and teeth. Mutation analysis revealed a frameshift mutation within the FOXI3 coding sequence in hairless dogs. Thus, we have identified FOXI3 as a regulator of ectodermal development.
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