Transcriptome Profiling and Targeted Genic Improvement of the X. tropicalis Genom

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DESCRIPTION (provided by applicant): Xenopus is a premier system for studying early vertebrate developmental and cell biology. The availability of genomic sequence has enabled genomic and genetic analyses. However, annotation of gene models in the X. tropicalis genome remains poor, hampering these efforts. In this proposal, we will perform targeted sequencing to annotate the genic part of the genome. This will include 1) transcript sequencing to assemble the transcriptome and identify temporal gene expression, 2) sequence capture to fill gaps in the genic portions of the genome, and 3) SNP identification to facilitate genetics. Improved annotation of the genic portion of the X. tropicalis genome assembly will enable many priorities of the Xenopus community that are outlined in the 2009 Xenopus White Paper: 1) it will make a more complete ORFeome possible 2) greatly facilitate genetics and 3) improve the assembly of the X. laevis genome. For these reasons, the 2009 Xenopus Community White Paper lists "Improvement of the X. tropicalis genome sequence and annotation" as an essential resource.