This release of X.tropicalis data is assembled into scaffolds, so there are no chromosomes available to browse. Use the BLAST and SSAHA buttons in the menu bar, left, to locate data.
A few example data points:
The Xenopus tropicalis genome assembly version 4.0 [June 2005] is the fourth of a series of preliminary assembly releases by the JGI that are planned as part of the ongoing X. tropicalis genome project. This Ensembl website presents the sequence data provided by the JGI.
The assembly was constructed with the JGI assembler, Jazz, using paired end sequencing reads at a coverage of 7.65X. After trimming for vector and quality, 22.5 Million reads assembled into 19,759 scaffolds totaling 1.51 Gbp. Roughly half of the genome is contained in 272 scaffolds, all at least 1.56 Mb in length.
The gene set for Xenopus tropicalis was built using a modified version of the standard Ensembl pipeline. Both Xenopus tropicalis and Xenopus laevis proteins were used to predict gene structures. cDNAs from both species were used to add UTRs. Gene predictions were also based on Xenopus tropicalis cDNAs manually annotated in the July 2005 jamboree. Finally, gene predictions based on UniProt proteins were used to fill gaps in the annotation.
Gene names have been projected across orthologues in the form.
Read more...
| Assembly: | JGI 4.0, Jun 2005 |
| Genebuild: | Ensembl, Jan 2006 |
| Database version: | 37.4 |
| Known genes: | 12,954 |
| Novel genes: | 6,297 |
| RNA genes: | 978 |
| Genscan gene predictions: | 67,513 |
| Gene exons: | 197,614 |
| Gene transcripts: | 29,843 |
| Base Pairs: | 1,513,925,492 |
| Golden Path Length: | 1,513,925,492 |
| Most common InterPro domains: | Top 40 Top 500 |
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