A 4,103 marker integrated physical and comparative map of the horse genome

Raudsepp, T; Gustafson-Seabury, A; Durkin, K; Wagner, M L; Goh, G; Seabury, C M; Brinkmeyer-Langford, C; Lee, E-J; Agarwala, R; Stallknecht-Rice, E; Schäffer, A A; Skow, L C; Tozaki, T; Yasue, H; Penedo, M C T; Lyons, L A; Khazanehdari, K A; Binns, M M; MacLeod, J N; Distl, O; ... (2008). A 4,103 marker integrated physical and comparative map of the horse genome. Cytogenetic and genome research, 122(1), pp. 28-36. Karger 10.1159/000151313

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A comprehensive second-generation whole genome radiation hybrid (RH II), cytogenetic and comparative map of the horse genome (2n = 64) has been developed using the 5000rad horse x hamster radiation hybrid panel and fluorescence in situ hybridization (FISH). The map contains 4,103 markers (3,816 RH; 1,144 FISH) assigned to all 31 pairs of autosomes and the X chromosome. The RH maps of individual chromosomes are anchored and oriented using 857 cytogenetic markers. The overall resolution of the map is one marker per 775 kilobase pairs (kb), which represents a more than five-fold improvement over the first-generation map. The RH II incorporates 920 markers shared jointly with the two recently reported meiotic maps. Consequently the two maps were aligned with the RH II maps of individual autosomes and the X chromosome. Additionally, a comparative map of the horse genome was generated by connecting 1,904 loci on the horse map with genome sequences available for eight diverse vertebrates to highlight regions of evolutionarily conserved syntenies, linkages, and chromosomal breakpoints. The integrated map thus obtained presents the most comprehensive information on the physical and comparative organization of the equine genome and will assist future assemblies of whole genome BAC fingerprint maps and the genome sequence. It will also serve as a tool to identify genes governing health, disease and performance traits in horses and assist us in understanding the evolution of the equine genome in relation to other species.

Item Type:

Journal Article (Original Article)

Division/Institute:

05 Veterinary Medicine > Department of Clinical Research and Veterinary Public Health (DCR-VPH) > Institute of Genetics
05 Veterinary Medicine > Department of Clinical Research and Veterinary Public Health (DCR-VPH)

UniBE Contributor:

Leeb, Tosso

Subjects:

500 Science > 570 Life sciences; biology
500 Science > 590 Animals (Zoology)
600 Technology > 630 Agriculture

ISSN:

1424-8581

Publisher:

Karger

Language:

English

Submitter:

Tosso Leeb

Date Deposited:

14 Aug 2015 13:48

Last Modified:

15 Aug 2015 05:40

Publisher DOI:

10.1159/000151313

PubMed ID:

18931483

BORIS DOI:

10.7892/boris.70769

URI:

https://boris.unibe.ch/id/eprint/70769

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