Human chromosome 3 and pig chromosome 13 show complete synteny conservation but extensive gene-order differences

H. F.S. Sun, C. W. Ernst, M. Yerle, P. Pinton, M. F. Rothschild, P. Chardon, C. Rogel-Gaillard, C. K. Tuggle

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Abstract

A comparative map of human chromosome 3 (HSA 3) and pig chromosome 13 (SSC 13) was constructed using physically assigned pig sequence-tagged sites (STSs). Pig STSs representing 11 HSA 3 genes, including v-Raf-1 murine leukemia viral oncogene homolog 1 (RAF1), retinoic acid β receptor (RARB), cholecystokinin (CCK), pituitary transcription factor 1 (POU1F1), ceruloplasmin (CP), guanine nucleotide binding protein, α-inhibiting polypeptide 2 (GNAI2), sucrase-isomaltase (SI), rhodopsin (RHO), dopamine receptor D3 (DRD3), growth-associated protein 43 (GAP43), and somatostatin (SST), were developed. Ten pig STSs were regionally mapped using a somatic cell hybrid panel (SCHP) to SSC 13 with 80-100% concordance. Large-insert probes were obtained by screening a pig yeast artificial chromosome (YAC) library with primers for each STS. Several YACs were identified for DRD3, GAP43, POU1F1, RHO, SI, and SST for fluorescence in situ hybridization (FISH) mapping. Single gene and bi-color FISH with each pairwise combination were used to further define the gene order on SSC 13. While these data confirm chromosome painting results showing that HSA 3 probes hybridize to a major portion of SSC 13, they also demonstrate extensive gene-order differences between man and pig within this large conserved synteny group. Interestingly, several conserved chromosomal regions have been detected between pig and mouse that are not conserved between man and mouse, suggesting that the SSC 13 gene arrangement may be the closest to that of the ancestral eutherian chromosome.

Original languageEnglish
Pages (from-to)273-278
Number of pages6
JournalCytogenetics and Cell Genetics
Volume85
Issue number3-4
DOIs
Publication statusPublished - 1999 Jan 1

All Science Journal Classification (ASJC) codes

  • Genetics
  • Cell Biology

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    Sun, H. F. S., Ernst, C. W., Yerle, M., Pinton, P., Rothschild, M. F., Chardon, P., Rogel-Gaillard, C., & Tuggle, C. K. (1999). Human chromosome 3 and pig chromosome 13 show complete synteny conservation but extensive gene-order differences. Cytogenetics and Cell Genetics, 85(3-4), 273-278. https://doi.org/10.1159/000015312