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Type: Conference paper
Title: A high density genetic map for barley integrating SSR and DArT markers
Author: Hearnden, P.
Eckermann, P.
Hayden, M.
McMichael, G.
Eglinton, J.
Chalmers, K.
Citation: 12th Australian Barley Technical Symposium Conference Proceedings, 11-14 September 2005: 7p. [CD-ROM]
Publisher: Australian Barley Association
Issue Date: 2005
ISBN: 0975813102
Conference Name: Australian Barley Technical Symposium (12th : 2005 : Hobart, Tasmania)
Abstract: A high density genetic map comprising 246 SSR and 184 unique DArT loci was constructed using an F1- derived DH population developed from a cross between cultivated barley (H. vulgare, variety Barque) and the closely related species, H. spontaneum (accession CPI 71284-48). The parents of this cross revealed a high (68 per cent) level of polymorphism which facilitated the mapping of previously unmapped markers and an unprecedented level of genetic saturation. Comparisons with published maps showed a high level of co-linearity, although some discrepancies in loci order exist between closely linked markers. This map provides access to previously unmapped SSRs, improved genome coverage due to the integration of DArT and SSR markers and overcomes loci order issues of consensus maps constructed from the alignment of several genetic maps. In addition, the use of H. spontaneum in the cross will aid the introgression of novel traits into adapted barley germplasm.
Keywords: Hordeum vulgare
Hordeum spontaneum
genetic mapping
wide cross
Appears in Collections:Agriculture, Food and Wine publications
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