Second Generation Radiation Hybrid Map for Bovine Genome
Author Information
Author(s): Jann Oliver C, Aerts Jan, Jones Michelle, Hastings Nicola, Law Andy, McKay Stephanie, Marques Elisa, Prasad Aparna, Yu Jody, Moore Stephen S, Floriot Sandrine, Mahé Marie-Françoise, Eggen André, Silveri Licia, Negrini Riccardo, Milanesi Elisabetta, Ajmone-Marsan Paolo, Valentini Alessio, Marchitelli Cinzia, Savarese Maria C, Janitz Michal, Herwig Ralf, Hennig Steffen, Gorni Chiara, Connor Erin E, Sonstegard Tad S, Smith Timothy, Drögemüller Cord, Williams John L
Primary Institution: Division of Genetics & Genomics, Roslin Institute
Hypothesis
Can a second generation radiation hybrid map improve the assembly of the bovine genome sequence?
Conclusion
The BovGen RH map shows higher consistency in marker order and chromosome assignment than the current bovine sequence assembly, suggesting that the assembly could be improved with additional mapping information.
Supporting Evidence
- The RH map contains 3966 markers, including 2473 new loci.
- 2898 loci were unambiguously located in the bovine sequence.
- The RH map showed higher consistency in marker order compared to the current bovine sequence assembly.
Takeaway
Scientists created a new map of cow genes to help fix mistakes in the cow genome, making it more accurate.
Methodology
The map was constructed using a radiation hybrid panel and included 3966 markers, with sequences aligned to existing bovine genome maps.
Potential Biases
Potential biases may arise from using different mapping approaches and the reliance on existing data for alignment.
Limitations
The study acknowledges that all mapping approaches can have errors and that discrepancies exist between the RH map and the bovine sequence assembly.
Digital Object Identifier (DOI)
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