Table 1.
Examples of gene and QTL projects benefiting from the access to wheat and barley physical maps and sequences
| Locus | Trait | Chromosome | Species | Organization | PI | Use of physical map/sequence information |
|---|---|---|---|---|---|---|
| YrH52 | Stripe rust resistance | 1BS | Emmer wheat | University of Haifa- Israel | T. Fahima | 2 physical non-overlapping contigs identified (total of 3.7 Mb with estimated gap of 0.4 Mb) |
| PV-QTL | Fiber content (QTL) | 1BL | Bread wheat | INRA - France | J. Salse | 1 physical map contig (645 kb) anchored to co-segregating COS CG marker |
| QSng.sfr | Glume blotch resistance (QTL) | 3BS | Bread wheat | University of Zurich—Switzerland | B. Keller | 3 sequenced contigs identfied(1.58 Mb) |
| QYld.idw | Yield (QTL) | 3BS | Durum wheat | University of Bologna—Italy | R. Tuberosa | Region <200 kb in the physical map containing 4 candidate genes |
| Sr2 | Stem rust resistance | 3BS | Bread wheat | CSIRO and Murdoch University | W. Spielmeyer | 1 sequenced contig (1.26 Mb) spanning the Sr2 genetic interval |
| SV2 | Leaf rust resistance | 3BS | Bread wheat | INTA-Argentina | MJ. Dieguez | 2 sequenced contigs (1, 2, and 3 Mb) identified with flanking markers used for marker development, screening of BAC library from resistant cultivar and candidate gene identification |
| SSt1 | Solid stem (saw fly resistance) | 3B | Durum wheat | University of Saskatchewan—Canada | C. Pozniak | 17 sequenced contigs identified for marker development, 8 new cosegrating markers developed |
| QFt-3B | Flowering time (QTL) | 3BS | Bread wheat | IEB-Czech republic | J. Safar | 38 sequenced contigs identified for marker development |
| Qcrs.cpi-3B | Crown rot (QTL) | 3BS | Bread wheat | CSIRO—Australia | C. Liu | 53 sequence contigs identified for marker development |
| Pm41 | Powdery mildew | 3BL | Bread wheat | China Agricultural University—China | Z. Liu/Z. Wang | 9 sequence contigs identified for marker development |
| qDHY.3BL | Drought tolerance (QTL) | 3BL | Bread wheat | ACPFG-INRA | P. Langridge-C. Feuillet | 9 sequence contigs identified for marker development and candidate gene identification |
| Yr49 | Yellow rust resistance | 3DS | Bread wheat | CSIRO—Australia | W. Spielmeyer | Contig at the proximal side identified, contig at distal side not identified yet, and cosegregating contig identified |
| cul4 | Tillering | 3H | Barley | University of Milan—Italy | L. Rossini | One BAC spanning the cul4 genetic interval and candidate gene identified and sequenced |