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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Alternative splicing in the human interleukin enhancer binding factor 3 (ILF3) gene.

The Interleukin Enhancer Binding Factor 3 (ILF3) gene has been mapped to chromosome 19 in humans and to chromosome 9 in mice. Several reported double-stranded RNA binding proteins including NF90, ILF3, MPP4 and DRBP76 have been suggested to be isoforms of the ILF3 gene but this has not been clearly established. We isolated several ilf3 transcripts from a melanoma cDNA library and two corresponding genomic fragments, and report alternative splicing and polyadenylation site selection in the human ILF3 gene. We show the existence of an alternative splice site responsible for the sequence divergence in the 3' part of the transcripts. Another alternative splicing event at a site between the two double-stranded RNA binding motifs leads to the additional presence in some cases of a four amino acids NVKQ peptide. We also describe the utilization of three distinct polyadenylation signals and the generation of an ilf3 transcript with a long extended 3' UTR. The expression of the different transcripts was evaluated. We used a GenBank sequence for the part of chromosome 19 corresponding to the ILF3 gene to determine the exon-intron organization of the entire gene which spans 38 kb and is divided into 21 exons.[1]

References

  1. Alternative splicing in the human interleukin enhancer binding factor 3 (ILF3) gene. Duchange, N., Pidoux, J., Camus, E., Sauvaget, D. Gene (2000) [Pubmed]
 
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