Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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Reguigne-Arnould, I. et al.

Relative positions of two clusters of human alpha-L-fucosyltransferases in 19q (FUT1-FUT2) and 19p (FUT6-FUT3-FUT5) within the microsatellite genetic map of chromosome 19.

Five on the seven cloned human fucosyltransferase genes have been mapped to two clusters, one on 19q and the other on 19p. Comparative DNA sequence analysis showed the GÃ©nÃ©thon microsatellite D19S596 lies 2.2 kb downstream of the coding region of FUT1, indicating that the cluster comprising the closely linked FUT1 and FUT2 genes is located 4 cM distal to D19S412 (lod score 13.7) and 9 cM proximal to D19S571 (lod score 11.7). Polymorphic markers of FUT3, FUT5, and FUT6 were used for linkage analysis with 14 GÃ©nÃ©thon microsatellites in Indonesian families. These three loci constitute a cluster on 19p, located between the GÃ©nÃ©thon microsatellites D19S216 and D19S567, which are known to be only 1 cM distant from each other. Two cross-overs, one between FUT6 and FUT3 and the other between FUT3 and FUT5, suggest the gene order 19pter-D19S216-FUT6-FUT3-FUT5-D19S567++ +-cen. Comparison of genetic and physical maps suggests that the FUT6-FUT3-FUT5 cluster is located on 19p13.3 and the FUT1-FUT2 cluster on 19q13. 3. FUT6, FUT3 and FUT5 genes share more than 85% homology and encode three similar, but distinct alpha(1,3) fucosyltransferases. FUT1 and FUT2 share about 70% homology and encode two distinct alpha(1,2)fucosyltransferases. No sequence homology was found between the genes of the two clusters. The members of each of these two clusters have probably emerged by duplication and divergent evolution of two unrelated ancestor genes.[1]

References

Relative positions of two clusters of human alpha-L-fucosyltransferases in 19q (FUT1-FUT2) and 19p (FUT6-FUT3-FUT5) within the microsatellite genetic map of chromosome 19. Reguigne-Arnould, I., Couillin, P., Mollicone, R., Fauré, S., Fletcher, A., Kelly, R.J., Lowe, J.B., Oriol, R. Cytogenet. Cell Genet. (1995) [Pubmed]

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