Journal article
A high density barley microsatellite consensus map with 775 SSR loci
Theoretical and Applied Genetics, Vol.114(6), pp.1091-1103
2007
Abstract
A microsatellite or simple sequence repeat (SSR) consensus map of barley was constructed by joining six independent genetic maps based on the mapping populations ‘Igri × Franka’, ‘Steptoe × Morex’, ‘OWBRec × OWBDom’, ‘Lina × Canada Park’, ‘L94 × Vada’ and ‘SusPtrit × Vada’. Segregation data for microsatellite markers from different research groups including SCRI (Bmac, Bmag, EBmac, EBmag, HVGeneName, scsssr), IPK (GBM, GBMS), WUR (GBM), Virginia Polytechnic Institute (HVM), and MPI for Plant Breeding (HVGeneName), generated in above mapping populations, were used in the computer program RECORD to order the markers of the individual linkage data sets. Subsequently, a framework map was constructed for each chromosome by integrating the 496 “bridge markers” common to two or more individual maps with the help of the computer programme JoinMap® 3.0. The final map was calculated by following a “neighbours” map approach. The integrated map contained 775 unique microsatellite loci, from 688 primer pairs, ranging from 93 (6H) to 132 (2H) and with an average of 111 markers per linkage group. The genomic DNA-derived SSR marker loci had a higher polymorphism information content value (average 0.61) as compared to the EST/gene-derived SSR loci (average 0.48). The consensus map spans 1,068 cM providing an average density of one SSR marker every 1.38 cM. Such a high-density consensus SSR map provides barley molecular breeding programmes with a better choice regarding the quality of markers and a higher probability of polymorphic markers in an important chromosomal interval. This map also offers the possibilities of thorough alignment for the (future) physical map and implementation in haplotype diversity studies of barley.
Details
- Title
- A high density barley microsatellite consensus map with 775 SSR loci
- Authors/Creators
- R.K. Varshney (Author/Creator) - International Crops Research Institute for the Semi-Arid TropicsT.C. Marcel (Author/Creator) - Graduate School Experimental Plant SciencesL. Ramsay (Author/Creator) - Czech Agrifood Research CenterJ. Russell (Author/Creator) - Czech Agrifood Research CenterM.S. Röder (Author/Creator) - Leibniz-Institut für Pflanzengenetik und Kulturpflanzenforschung (IPK)N. Stein (Author/Creator) - Leibniz-Institut für Pflanzengenetik und Kulturpflanzenforschung (IPK)R. Waugh (Author/Creator) - Czech Agrifood Research CenterP. Langridge (Author/Creator) - The University of AdelaideR.E. Niks (Author/Creator) - Graduate School Experimental Plant SciencesA. Graner (Author/Creator) - Leibniz-Institut für Pflanzengenetik und Kulturpflanzenforschung (IPK)
- Publication Details
- Theoretical and Applied Genetics, Vol.114(6), pp.1091-1103
- Publisher
- Springer Verlag
- Identifiers
- 991005544574307891
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Domestic collaboration
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- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.4 Crop Science
- 3.4.96 QTL
- Web Of Science research areas
- Agronomy
- Genetics & Heredity
- Horticulture
- Plant Sciences
- ESI research areas
- Agricultural Sciences