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  • Title: Developmentally regulated alternative splicing of a nematode type IV collagen gene.
    Author: Pettitt J, Kingston IB.
    Journal: Dev Biol; 1994 Jan; 161(1):22-9. PubMed ID: 8293875.
    Abstract:
    A comparison of the genomic DNA sequence that encodes the Ascaris suum alpha 2(IV) collagen chain with the corresponding cDNA sequence led to the identification of a putative exon that was not expressed in the cDNA. The identification of this putative exon raised the possibility that transcripts of the alpha 2(IV) gene may undergo alternative splicing. We have used a reverse transcriptase-polymerase chain reaction assay to establish that such alternative splicing does indeed occur. Our results show that the A. suum alpha 2(IV) collagen gene produces at least two similar, but not identical, transcripts via the selection of two alternative exons. Furthermore, this alternative splicing appears to be developmentally regulated, suggesting that alternative splicing may be used in order to modify the properties of type IV collagen during nematode development.
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