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Mutations of LRTOMT, a fusion gene with alternative reading frames, cause nonsyndromic deafness in humans.

ABSTRACT: Many proteins necessary for sound transduction have been identified through positional cloning of genes that cause deafness. We report here that mutations of LRTOMT are associated with profound nonsyndromic hearing loss at the DFNB63 locus on human chromosome 11q13.3-q13.4. LRTOMT has two alternative reading frames and encodes two different proteins, LRTOMT1 and LRTOMT2, detected by protein blot analyses. LRTOMT2 is a putative methyltransferase. During evolution, new transcripts can arise through partial or complete coalescence of genes. We provide evidence that in the primate lineage LRTOMT evolved from the fusion of two neighboring ancestral genes, which exist as separate genes (Lrrc51 and Tomt) in rodents.

SUBMITTER: Ahmed ZM

PROVIDER: S-EPMC3404732 | biostudies-literature | 2008 Nov

REPOSITORIES: biostudies-literature

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Mutations of LRTOMT, a fusion gene with alternative reading frames, cause nonsyndromic deafness in humans.

Ahmed Zubair M ZM Masmoudi Saber S Kalay Ersan E Belyantseva Inna A IA Mosrati Mohamed Ali MA Collin Rob W J RW Riazuddin Saima S Hmani-Aifa Mounira M Venselaar Hanka H Kawar Mayya N MN Tlili Abdelaziz A van der Zwaag Bert B Khan Shahid Y SY Ayadi Leila L Riazuddin S Amer SA Morell Robert J RJ Griffith Andrew J AJ Charfedine Ilhem I Caylan Refik R Oostrik Jaap J Karaguzel Ahmet A Ghorbel Abdelmonem A Riazuddin Sheikh S Friedman Thomas B TB Ayadi Hammadi H Kremer Hannie H

Nature genetics 20081026 11

Many proteins necessary for sound transduction have been identified through positional cloning of genes that cause deafness. We report here that mutations of LRTOMT are associated with profound nonsyndromic hearing loss at the DFNB63 locus on human chromosome 11q13.3-q13.4. LRTOMT has two alternative reading frames and encodes two different proteins, LRTOMT1 and LRTOMT2, detected by protein blot analyses. LRTOMT2 is a putative methyltransferase. During evolution, new transcripts can arise throug ...[more]

PMID: 18953341

Dataset Information

Mutations of LRTOMT, a fusion gene with alternative reading frames, cause nonsyndromic deafness in humans.

Publications

Mutations of LRTOMT, a fusion gene with alternative reading frames, cause nonsyndromic deafness in humans.

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