PMID: 8597636Nov 1, 1995Paper

Identification, characterization, and localization to chromosome 17q21-22 of the human TBX2 homolog, member of a conserved developmental gene family

Mammalian Genome : Official Journal of the International Mammalian Genome Society
D J LawL M Silver

Abstract

The T-box motif is present in a family of genes whose structural features and expression patterns support their involvement in developmental gene regulation. Previously, sequence comparisons among the T-box domains of ten vertebrate and invertebrate T-box (Tbx) genes established a phylogenetic tree with three major branches. The Tbx2-related branch includes mouse Mm-Tbx2 and Mm-Tbx3, Drosophila optomotor-blind (Dm-Omb), and Caenorhabditis elegans Ce-Tbx2 and Ce-Tbx2 and Ce-Tbx7 genes. From the localization of Mm-Tbx2 to Chromosome (Chr) 11, we focused our search for the human homolog, Hs-TBX2, within a region of synteny conservation on Chr 17q. We used Dm-Omb polymerase chain reaction (PCR) primers to amplify a 137-basepair(bp)_ product from human genomic, Chr 17 monochromosome hybrid, and fetal kidney cDNA templates. The human PCR product showed 89% DNA sequence identity and 100% peptide sequence identity to the corresponding T-box segment of Mm-Tbx2. The putative Hs-TBX2 locus was isolated within a YAC contig that included three anonymous markers, D17S792, and D17S948, located at Chr 17q21-22. Hybridization-and PCR-based screening of a 15-week fetal kidney cDNA library yielded several TBX2 clones. Sequence analysis of clone l...Continue Reading

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Citations

Sep 17, 1998·Genes, Chromosomes & Cancer·J BernardinoB Dutrillaux
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Apr 4, 2017·Frontiers in Molecular Neuroscience·Kristina Endres, Thomas Deller

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