Diverse approaches to achieving grain yield in wheat |
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Authors: | Roberto A Barrero Matthew Bellgard Xueyong Zhang |
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Institution: | (1) Centre for Comparative Genomics, Murdoch University, Murdoch, WA, 6150, Australia;(2) Key Laboratory of Crop Germplasm and Utilization, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China; |
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Abstract: | Artificial selection (domestication and breeding) leaves a strong footprint in plant genomes. Second generation high throughput
DNA sequencing technologies make it possible to sequence the gene complement of a plant genome within 3 to 5 months, and the
costs of doing so are declining very quickly. This makes it practical to identify genomic regions that have undergone very
strong selection. Available reference sequences of important crops such as rice, maize, and sorghum will promote the wide
use of re-sequencing strategies in these crops. Marker/trait associations, especially haplotype (or haplotype block) association
analyses, will help the precise mapping of important genomic regions and location of favored alleles or haplotypes for breeding.
This mini-review examines a genomics approach to defining yield traits in wheat. |
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