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1: Am J Hum Genet. 2000 Aug;67(2):492-7. Epub 2000 Jun 30.Click here to read Click here to read Links

Localization of a gene for syndactyly type 1 to chromosome 2q34-q36.

Bosse K, Betz RC, Lee YA, Wienker TF, Reis A, Kleen H, Propping P, Cichon S, Nöthen MM.

Institute of Human Genetics, University of Bonn, Germany.

Syndactyly type 1 (SD1) is an autosomal dominant limb malformation characterized in its classical form by complete or partial webbing between the third and fourth fingers and/or the second and third toes. After exclusion of a candidate region previously identified for syndactyly type 2 (synpolydactyly), we performed a genomewide linkage analysis in a large German pedigree. We found evidence for linkage of SD1 to polymorphic markers on chromosome 2q34-q36, with a maximum LOD score of 12.40 for marker D2S301. Key recombination events in affected individuals defined a 9.4-cM region between markers D2S2319 and D2S344. The identification of the responsible gene will give further insights into the molecular basis of limb development.

PMID: 10877983 [PubMed - indexed for MEDLINE]

PMCID: PMC1287194