Localization of an acromesomelic dysplasia on chromosome 9 by homozygosity mapping

Autor:	Bagley D, Peter Beighton, Daly Mj, Greta Beighton, P. Ianakiev, Michael W. Kilpatrick, Zolindaki A, Petros Tsipouras
Rok vydání:	2000
Předmět:	Genetics education.field_of_study Population Dwarfism Chromosome 9 Biology Disease gene identification medicine.disease Gene mapping Dysplasia Genetic linkage medicine education Limb morphogenesis Genetics (clinical)
Zdroj:	Clinical Genetics. 57:278-283
ISSN:	0009-9163
Popis:	The acromesomelic dysplasias (AMDs) are a group of genetic disorders that primarily affect the middle and distal segments of the extremities. A form of AMD is present on the isolated island of St Helena in the South Atlantic, which has a population of approximately 5500 derived from a number of founder individuals. DNA from four affected individuals and 11 first-degree relatives in four related nuclear families segregating an AMD was collected for gene mapping studies. Six consecutive markers on chromosome 9, spanning an approximately 5 cM region, showed identical homozygosity in all affected individuals, thus identifying a region of homozygosity by descent. Multipoint analysis generated a maximum lod score of Z = 2.85. These data localize the gene for this dysplasia to the pericentromeric region of chromosome 9 where the gene for the Maroteaux form of AMD is situated. The identification of the gene responsible for this disorder may shed further light on the complex processes involved in limb morphogenesis.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::9db0035d156191b885e9bb07c5a4dc50 https://doi.org/10.1034/j.1399-0004.2000.570406.x Zobrazit plný text záznamu Plný text