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| Content Provider | PubMed Central |
|---|---|
| Author | Wind, Annelie Everts-van Der Larkin, Denis M. Green, Cheryl A. Elliott, Janice S. Olmstead, Colleen A. Chiu, Readman Schein, Jacqueline E. Marra, Marco A. Womack, James E. Lewin, Harris A. |
| Copyright Year | 2005 |
| Abstract | Approximately 3,000 cattle bacterial artificial chromosome (BAC)-end sequences were added to the Illinois–Texas 5,000-rad RH (RH, radiation hybrid) map. The BAC-end sequences selected for mapping are ≈1 Mbp apart on the human chromosomes as determined by blastn analysis. The map has 3,484 ordered markers, of which 3,204 are anchored in the human genome. Two hundred-and-one homologous synteny blocks (HSBs) were identified, of which 27 are previously undiscovered, 79 are extended, 26 were formed by previously unrecognized breakpoints in 18 previously defined HSBs, and 23 are the result of fusions. The comparative coverage relative to the human genome is ≈91%, or 97% of the theoretical maximum. The positions of 64% of all cattle centromeres and telomeres were reassigned relative to their positions on the previous map, thus facilitating a more detailed comparative analysis of centromere and telomere evolution. As an example of the utility of the high-resolution map, 22 cattle BAC fingerprint contigs were directly anchored to cattle chromosome 19 [Bos taurus, (BTA) 19]. The order of markers on the cattle RH and fingerprint maps of BTA19 and the sequence-based map of human chromosome 17 [Homo sapiens, (HSA) 17] were found to be highly consistent, with only two minor ordering discrepancies between the RH map and fingerprint contigs. The high-resolution Illinois-Texas 5,000-rad RH and comparative maps will facilitate identification of candidate genes for economically important traits, the phylogenomic analysis of mammalian chromosomes, proofing of the BAC fingerprint map and, ultimately, aid the assembly of cattle whole-genome sequence. |
| Related Links | http://dx.doi.org/10.1073/pnas.0509285102 |
| Ending Page | 18531 |
| Page Count | 6 |
| Starting Page | 18526 |
| File Format | |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 51 |
| Volume Number | 102 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 2005-12-20 |
| Access Restriction | Open |
| Rights Holder | National Academy of Sciences |
| Subject Keyword | General Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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