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A molecular marker map in 'Kanota' × 'Ogle' hexaploid oat (Avenaspp.) enhanced by additional markers and a robust framework

Wight, C.P., Tinker, N.A., Kianian, S.F., Sorrells, M.E., O'Donoughue, L.S., Hoffman, D.L., Groh, S., Scoles, G.J., Li, C., Webster, F.H., Phillips, R.L., Rines, H.W., Livingston, S.M., Armstrong, K.C., Fedak, G. and Molnar, S.J. (2003) A molecular marker map in 'Kanota' × 'Ogle' hexaploid oat (Avenaspp.) enhanced by additional markers and a robust framework. Genome, 46 (1). pp. 28-47.

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Molecular mapping of cultivated oats was conducted to update the previous reference map constructed using a recombinant inbred (RI) population derived from Avena byzantina C. Koch cv. Kanota × Avena sativa L. cv. Ogle. In the current work, 607 new markers were scored, many on a larger set of RI lines (133 vs. 71) than previously reported. A robust, updated framework map was developed to resolve linkage associations among 286 markers. The remaining 880 markers were placed individually within the most likely framework interval using χ2 tests. This molecular framework incorporates and builds on previous studies, including physical mapping and linkage mapping in additional oat populations. The resulting map provides a common tool for use by oat researchers concerned with structural genomics, functional genomics, and molecular breeding.Key words: molecular marker, RFLP, linkage map, oat, Avena.

Item Type: Journal Article
Publisher: NRC Research Press
Copyright: © 2003 Canadian Science Publishing
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