The diastrophic dysplasia gene encodes a novel sulfate transporter: Positional cloning by fine-structure linkage disequilibrium mapping

Johanna Hästbacka, Albert de la Chapelle, Melanie M. Mahtani, Greg Clines, Mary Pat Reeve-Daly, Mark Daly, Bruce A. Hamilton, Kenro Kusumi, Bijal Trivedi, Alix Weaver, Antonio Coloma, Michael Lovett, Alan Buckler, Ilkka Kaitila, Eric S. Lander

Research output: Contribution to journalArticle

582 Citations (Scopus)

Abstract

Diastrophic dysplasia (DTD) is a well-characterized autosomal recessive osteochondrodysplasia with clinical features including dwarfism, spinal deformation, and specific joint abnormalities. The disease occurs in most populations, but is particularly prevalent in Finland owing to an apparent founder effect. DTD maps to distal chromosome 5q and, based on linkage disequilibrium studies in the Finnish population, we had previously predicted that the DTD gene should lie about 64 kb away from the CSF1R locus. Here, we report the positional cloning of the DTD gene by fine-structure linkage disequilibrium mapping. The gene lies in the predicted location, approximately 70 kb proximal to CSF1R, and encodes a novel sulfate transporter. Impaired function of its product is likely to lead to undersulfation of proteoglycans in cartilage matrix and thereby to cause the clinical phenotype of the disease. These results demonstrate the power of linkage disequilibrium mapping in isolated populations for positional cloning.

Original languageEnglish (US)
Pages (from-to)1073-1087
Number of pages15
JournalCell
Volume78
Issue number6
DOIs
StatePublished - Sep 23 1994
Externally publishedYes

Fingerprint

Chromosome Mapping
Cloning
Linkage Disequilibrium
Sulfates
Organism Cloning
Genes
Cartilage
Proteoglycans
Chromosomes
Osteochondrodysplasias
Population
Founder Effect
Dwarfism
Finland
Joints
Phenotype
Diastrophic dysplasia

ASJC Scopus subject areas

  • Cell Biology
  • Molecular Biology

Cite this

Hästbacka, J., de la Chapelle, A., Mahtani, M. M., Clines, G., Reeve-Daly, M. P., Daly, M., ... Lander, E. S. (1994). The diastrophic dysplasia gene encodes a novel sulfate transporter: Positional cloning by fine-structure linkage disequilibrium mapping. Cell, 78(6), 1073-1087. https://doi.org/10.1016/0092-8674(94)90281-X

The diastrophic dysplasia gene encodes a novel sulfate transporter : Positional cloning by fine-structure linkage disequilibrium mapping. / Hästbacka, Johanna; de la Chapelle, Albert; Mahtani, Melanie M.; Clines, Greg; Reeve-Daly, Mary Pat; Daly, Mark; Hamilton, Bruce A.; Kusumi, Kenro; Trivedi, Bijal; Weaver, Alix; Coloma, Antonio; Lovett, Michael; Buckler, Alan; Kaitila, Ilkka; Lander, Eric S.

In: Cell, Vol. 78, No. 6, 23.09.1994, p. 1073-1087.

Research output: Contribution to journalArticle

Hästbacka, J, de la Chapelle, A, Mahtani, MM, Clines, G, Reeve-Daly, MP, Daly, M, Hamilton, BA, Kusumi, K, Trivedi, B, Weaver, A, Coloma, A, Lovett, M, Buckler, A, Kaitila, I & Lander, ES 1994, 'The diastrophic dysplasia gene encodes a novel sulfate transporter: Positional cloning by fine-structure linkage disequilibrium mapping', Cell, vol. 78, no. 6, pp. 1073-1087. https://doi.org/10.1016/0092-8674(94)90281-X
Hästbacka, Johanna ; de la Chapelle, Albert ; Mahtani, Melanie M. ; Clines, Greg ; Reeve-Daly, Mary Pat ; Daly, Mark ; Hamilton, Bruce A. ; Kusumi, Kenro ; Trivedi, Bijal ; Weaver, Alix ; Coloma, Antonio ; Lovett, Michael ; Buckler, Alan ; Kaitila, Ilkka ; Lander, Eric S. / The diastrophic dysplasia gene encodes a novel sulfate transporter : Positional cloning by fine-structure linkage disequilibrium mapping. In: Cell. 1994 ; Vol. 78, No. 6. pp. 1073-1087.
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