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Título

Structural and functional characterization of a winter malting barley

Autor Muñoz-Amatriaín, María ; Cistué Sola, Luis ; Xiong, Y.; Bilgic, H.; Budde, A. D.; Schmitt, M. R.; Smith, Kevin P.; Hayes, Patrick M.; Muehlbauer, G. J.
Fecha de publicación mar-2010
EditorSpringer
Citación Muñoz-Amatriaín M, Cistué L, Xiong Y, Bilgic H, Budde AD, Schmitt MR, Smith KP, Hayes PM, Muehlbauer GJ. Structural and functional characterization of a winter malting barley. Theoretical and applied genetics 120 (5): 971-984 (2010)
ResumenThe development of winter malting barley (Hordeum vulgare L.) varieties is emerging as a worldwide priority due to the numerous advantages of these varieties over spring types. However, the complexity of both malting quality and winter hardiness phenotypes makes simultaneous improvement a challenge. To obtain an understanding of the relationship between loci controlling winter hardiness and malt quality and to assess the potential for breeding winter malting barley varieties, we structurally and functionally characterized the six-row accession “88Ab536”, a cold-tolerant line with superior malting quality characteristics that derives from the cross of NE76129/Morex//Morex. We used 4,596 SNPs to construct the haplotype structure of 88Ab536 on which malting quality and winter hardiness loci reported in the literature were aligned. The genomic regions determining malting quality and winter hardiness traits have been defined in this founder germplasm, which will assist breeders in targeting regions for marker-assisted selection. The Barley1 GeneChip array was used to functionally characterize 88Ab536 during malting. Its gene expression profile was similar to that of the archetypical malting variety Morex, which is consistent with their similar malting quality characteristics. The characterization of 88Ab536 has increased our understanding of the genetic relationships of malting quality and winter hardiness, and will provide a genetic foundation for further development of more cold-tolerant varieties that have malt quality characteristics that meet or exceed current benchmarks.
Descripción 33 Pag., 4 Tabl., 2 Fig. The definitive version is available at: http://www.springerlink.com/content/0040-5752/
Versión del editorhttp://dx.doi.org/10.1007/s00122-009-1225-9
URI http://hdl.handle.net/10261/32021
DOI10.1007/s00122-009-1225-9
ISSN0040-5752
E-ISSN1432-2242
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