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| Content Provider | Springer Nature Link |
|---|---|
| Author | Pristyazhnyuk, I. E. Temirova, S. A. Menzorov, A. G. Kruglova, A. A. Matveeva, N. M. Serov, O. L. |
| Copyright Year | 2005 |
| Abstract | Chromosome segregation of the parental chromosomes was studied in 20 interspecific hybrid clones obtained by fusion of Mus musculus embryonic stem cells with Mus caroli splenocytes. FISH analysis with labeled species specific probes and microsatellite markers was used for identification of the parental chromosomes. Cytogenetic analysis has shown significant intra- and interclonal variability in chromosome numbers and ratios of the parental chromosomes in the hybrid cells: six clones contained all M. caroli chromosomes, nine clones showed moderate segregation of M. caroli chromosomes (from 1 to 7), and five clones showed extensive loss of M. caroli chromosomes (from 12 to complete loss of all M. caroli autosomes). Both methods demonstrated “cryptic” segregation of the somatic partner chromosomes. For instance, five clones with near-tetraploid chromosome sets contained only few M. caroli chromosomes (from 1 to 8). The data obtained suggest that the tetraploid chromosome set per se is not a sufficient criterion for conclusion on the absence of chromosome loss in the hybrid cells. Note that “cryptic” chromosome segregation occurred at a high frequency in the examined hybrid clones. Thus, “cryptic” segregation should be borne in mind for assessing pluripotency and genome reprogramming of embryonic stem hybrid cells. |
| Starting Page | 119 |
| Ending Page | 126 |
| Page Count | 8 |
| File Format | |
| ISSN | 10623604 |
| Journal | Russian Journal of Developmental Biology |
| Volume Number | 36 |
| Issue Number | 2 |
| e-ISSN | 16083326 |
| Language | English |
| Publisher | Nauka/Interperiodica |
| Publisher Date | 2005-01-01 |
| Publisher Place | Moscow |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | embryonic stem cells chromosome segregation embryonic hybrid cells pluripotency microsatellites in situ hybridization Developmental Biology Animal Anatomy / Morphology / Histology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Developmental Biology |
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