Biology – Quantitative Biology – Genomics
Scientific paper
2008-11-21
Biology Direct 2008, 3:41
Biology
Quantitative Biology
Genomics
Scientific paper
10.1186/1745-6150-3-41
Transposable elements may acquire unrelated gene fragments into their sequences in a process called transduplication. Transduplication of protein-coding genes is common in plants, but is unknown of in animals. Here, we report that the Turmoil-1 transposable element in C. elegans has incorporated two protein-coding sequences into its inverted terminal repeat (ITR) sequences. The ITRs of Turmoil-1 contain a conserved RNA recognition motif (RRM) that originated from the rsp- 2 gene and a fragment from the protein-coding region of the cpg-3 gene. We further report that an open reading frame specific to C. elegans may have been created as a result of a Turmoil-1 insertion. Mutations at the 5' splice site of this open reading frame may have reactivated the transduplicated RRM motif
Ast Gil
Makalowski Wojciech
Pupko Tal
Sela Noa
Stern Adi
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