Harvey, Simon C., Campos-Ramos, Rafael, Kennedy, D.D., Ezaz, M.T., Bromage, Niall R., Griffin, Darren K., Penman, David J. (2002) Karyotype evolution in Tilapia: mitotic and meiotic chromosome analysis of Oreochromis karongae and O. niloticus x O. karongae hybrids. Genetica, 115 (2). pp. 169-177. ISSN 0016-6707. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided) (KAR id:12470)
| The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided. |
Abstract
The karyotype of Oreochromis species is considered to be highly conserved, with a diploid chromosome complement of 2n = 44. Here we show, by analysis of mitotic and meiotic chromosomes, that the karyotype of O. karongae, one of the Lake Malawi 'chambo' species, is 2n = 38. This difference in chromosome number does not prevent the production of inter-specific hybrids between O. niloticus (2n = 44) and O. karongae (2n = 38). Analysis of the meiotic chromosomes of the O. niloticus x O. karongae hybrids indicates that three separate chromosome fusion events have occurred in O. karongae. Comparison of the O. karongae and O. niloticus karyotypes suggests that these consist of one Robertsonian fusion and two fusions of a more complex nature.
| Item Type: | Article |
|---|---|
| Additional information: | 12403171 0016-6707 |
| Uncontrolled keywords: | Animals Chromosomes Evolution Karyotyping Meiosis Mitosis Ploidies Synaptonemal Complex Tilapia |
| Subjects: | Q Science |
| Divisions: | Divisions > Division of Natural Sciences > Biosciences |
| Depositing User: | Darren Griffin |
| Date Deposited: | 24 Sep 2008 12:34 UTC |
| Last Modified: | 05 Nov 2024 09:45 UTC |
| Resource URI: | https://kar.kent.ac.uk/id/eprint/12470 (The current URI for this page, for reference purposes) |
University of Kent Author Information
Griffin, Darren K..
| Creator's ORCID: |
 https://orcid.org/0000-0001-7595-3226
|
|---|---|
| CReDIT Contributor Roles: |
- Export to:
- RefWorks
- EPrints3 XML
- BibTeX
- CSV
- Depositors only (login required):
Download Statistics
Download Statistics
