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| Content Provider | Springer Nature Link |
|---|---|
| Author | Graphodatsky, Alexander S. Kukekova, Anna V. Yudkin, Dmitry V. Trifov, Vladimir A. Vorobieva, Nadezhda V. Beklemisheva, Violetta R. Perelman, Polina L. Graphodatskaya, Daria A. Trut, Lyudmila N. Yang, Fengtang Ferguson Smith, Malcolm A. Acland, Gregory M. Aguirre, Gustavo D. |
| Copyright Year | 2005 |
| Abstract | Plant and animal karyotypes sometimes contain variable elements, that are referred to as additional or B-chromosomes. It is generally believed that B-chromosomes lack major genes and represent parasitic and selfish elements of a genome. Here we report, for the first time, the localization of a gene to B-chromosomes of mammals: red fox (Vulpes vulpes) and two subspecies of raccoon dog (Nyctereutes procyonoides). Identification of the proto-oncogene C-KIT on B-chromosomes of two Canidae species that diverged from a common ancestor more than 12.5 million years ago argues against the current view of B-chromosomes. Analyses of fox B-chromosomal C-KIT gene from a flow-sorted fox B-chromosome-specific library revealed the presence of intron–exon boundaries and high identity between sequenced regions of canine and fox B-chromosomal C-KIT copies. Identification of C-KIT gene on all B-chromosomes of two canid species provides new insight into the origin and evolution of supernumeraries and their potential role in the genome. |
| Starting Page | 113 |
| Ending Page | 122 |
| Page Count | 10 |
| File Format | |
| ISSN | 09673849 |
| Journal | Chromosome Research |
| Volume Number | 13 |
| Issue Number | 2 |
| e-ISSN | 15736849 |
| Language | English |
| Publisher | Kluwer Academic Publishers |
| Publisher Date | 2005-01-01 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | B-chromosome Canidae C-KIT oncogene Human Genetics Cell Biology Plant Genetics & Genomics Animal Genetics and Genomics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics |
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