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Cytogenet Cell Genet. 1999;84(1-2):22-7.

Integrated genetic and physical map of the 1q31-->q32.1 region, encompassing the RP12 locus, the F13B and HF1 genes, and the EEF1AL11 and RPL30 pseudogenes.

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Department of Ophthalmogenetics, The Netherlands Ophthalmic Research Institute, Amsterdam.


The gene for autosomal recessive retinitis pigmentosa (RP12) with preserved para-arteriolar retinal pigment epithelium was previously mapped close to the F13B gene in region 1q31-->q32.1. A 4-Mb yeast artificial chromosome contig spanning this interval was constructed to facilitate cloning of the RP12 gene. The contig comprises 25 sequence-tagged sites, polymorphic markers, and single-copy probes, including five newly obtained probes. The contig orders the F13B and HF1 genes, as well as five expressed sequence tags, with respect to the integrated genetic map of this region. Homozygosity mapping resulted in refinement of the candidate gene locus for RP12 to a 1. 3-cM region. Currently, approximately 1 Mb of the contig is represented in P1-derived artificial chromosome (PAC) clones. Direct screening of a cDNA library derived from neural retina with PACs resulted in identification of the human elongation factor 1alpha pseudogene (EEF1AL11) and a human ribosomal protein L30 pseudogene (RPL30). A physical and genetic map covering the entire RP12 candidate gene region was constructed.

[Indexed for MEDLINE]

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