Title: "Identification and Analysis of Genome Duplication in Soybean"
Speaker: Jessica Schlueter, Postdoctoral Research Associate, Department of Agronomy, Purdue University
Place: Mechanical Engineering (ME) 161; September 18, 2007, Tuesday, 4:30pm

Abstract

Soybean, Glycine max (L.) Merr., has become a fairly well documented paleopolyploid. Analyses of ESTs from soybean have identified retained duplicate transcripts that can be clustered into groups with similar evolutionary distances. This has allowed the determination of at least two major genome duplication events in soybean. Sequencing of duplicate regions in soybean has shown that the level of sequence identity in retained homeologous regions of the genome varied from nearly identical to highly divergent. Large-scale "batch" reassembly of duplicate BACs has allowed us to determine what effects the paleopolyploid nature of the soybean genome will have on reassembly of the forthcoming DOE/JGI/USDA shotgun sequence.



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