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| Content Provider | Springer Nature Link |
|---|---|
| Author | Shibata, Fukashi Hizume, Masahiro Kuroki, Yuzo |
| Copyright Year | 2000 |
| Abstract | The dioecious plant Rumex acetosa has a multiple sex chromosome system: females are 2n = XX + 12, males are 2n = XY1Y2 + 12, and the two Y chromosomes are heterochromatic. A DNA sequence abounded in the male genome was isolated and analyzed. The sequence (RAE180) was a 180-bp-long tandemly arranged repetitive sequence, distributed in chromosomes Y1 and Y2, and two pairs of autosomes. Both Y chromosomes contained large amounts of RAE180 and the sequence formed many DAPI bands, while, on the two pairs of autosomes, RAE180 did not form DAPI bands. The internal structure and morphological changes of the Y chromosomes were analyzed by FISH, using RAE180 and the Y-chromosome-specific sequence RAYSI as probes. The pattern of the FISH signals caused by the accumulation of RAE180 and RAYSI suggested the structural change in the Y chromosomes during the process of sex chromosome evolution, and the morphological change in the Y chromosomes was explained by reciprocal translocation and inversion. |
| Starting Page | 229 |
| Ending Page | 236 |
| Page Count | 8 |
| File Format | |
| ISSN | 09673849 |
| Journal | Chromosome Research |
| Volume Number | 8 |
| Issue Number | 3 |
| e-ISSN | 15736849 |
| Language | English |
| Publisher | Kluwer Academic Publishers |
| Publisher Date | 2000-01-01 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Human Genetics Plant Genetics & Genomics Animal Genetics and Genomics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics |
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