This study describes a homozygous, G----A transition at the moderately conserved +5 position within the splice donor site of intron 14 in the human alpha 1(I) collagen gene. The mutation reduced the efficiency of normal splice-site selection since the exon upstream of the mutation was spliced alternatively. Moreover, the extent of alternative splicing was sensitive to the temperature at which the mutant cells were grown, suggesting that the mutation directly affected spliceosome assembly. To achieve exon skipping, this effect must be propagated so as to disrupt the selection of a second splice site in the adjacent intron.
An intron mutation in the human alpha 1(I) collagen gene alters the efficiency of pre-mRNA splicing and is associated with osteogenesis imperfecta type II.
J. Bonadio,Francesco Ramirezq,M. Barr
Published 1990 in Journal of Biological Chemistry
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PUBLICATION RECORD
- Publication year
1990
- Venue
Journal of Biological Chemistry
- Publication date
1990-02-05
- Fields of study
Biology, Medicine
- Identifiers
- External record
- Source metadata
Semantic Scholar, PubMed
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