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Watch your language!

Jonathan B Weitzman

Genome Biology 2001, 2:spotlight-20011005-01  doi:10.1186/gb-spotlight-20011005-01

The electronic version of this article is the complete one and can be found online at:

Published:5 October 2001

© 2001 BioMed Central Ltd

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Several studies have suggested that there may be a genetic component to developmental disorders of speech and language, but no specific genes have been identified. In the October 4 Nature, Cecilia Lai and colleagues at the University of Oxford report mutations in a gene that correlates with such language disorders (Nature 2001, 413:519-522). Study of a family (called KE) with speech-language disorder led to the mapping of the SPCH1 locus on chromosome 7. Lai et al. performed fluorescence in-situ hybridisation (FISH) analysis to map a translocation breakpoint within this region in an unrelated patient with a similar disorder. This led them to the FOXP2 gene, which encodes a novel protein with a polyglutamine tract and a forkhead/winged-helix (FOX) DNA-binding domain. They also identified a point mutation (causing an arginine-to-histidine substitution) in the FOXP2 gene in the KE family that segregated with the language disorder. Mutations in other FOX genes have previously been associated with a range of genetic disorders.


  1. Genetic influence on language delay in two-year-old children

    PubMed Abstract | Publisher Full Text OpenURL

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  5. The SPCH1 region on human 7q31: genomic characterization of the critical interval and localization of translocations associated with speech and language disorder

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