In a paper published online in advance in Genome Biology this week, researchers in France report results of their RNA-seq-based study on the grain filling gene network in bread wheat, through which they "identified a unigene set of 37,695 non-redundant sequence clusters." Using the Brachypodium distachyon genome as a reference for Triticum aestivum L., the team "classified gene clusters into orthologous, paralogous, and homoeologous relationships," finding that older duplicated copies show "more than

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