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| Content Provider | Springer Nature Link |
|---|---|
| Author | Hoarau, J. J. Festy, F. Cesari, M. Pabion, M. |
| Copyright Year | 2005 |
| Abstract | In this paper, we have analysed the diversity of mRNA species generated by DQA1*0501 and DQA1*0401 alleles in homozygous B-lymphoblastoid cell lines. As we previously reported, six mRNA isoforms that differ in the 3′UTR have been identified in these cells. This diversity of mRNA species results both from the alternative use of two acceptor spliced sites and the differential selection of two poly(A)+ sequence signals by the processing machinery. In this report we describe a new acceptor sequence signal that allows generation of a new alternative spliced mRNA species. This acceptor sequence signal was also present in all of the seven DQA1 homozygous cell lines analysed. In addition, we have identified a previously undetected, non-conventional but functional, poly(A)+ sequence signal that lacks an identifiable AATAAA hexamer, one of the most important element of the core. This sequence signal allows the generation of two additional mRNA isoforms both in DQA1*0501 and DQA1*0401 homozygous cell lines but not in the others. We show that DQA1*0501 and DQA1*0401 primary transcripts can be processed into nine mRNA isoforms that differ in the 3′UTR. Finally, we summarized all the DQA1 mRNA species deriving from DQA1*0101, DQA1*0102, DQA1*0103, DQA1*0201, DQA1*0301, DQA1*0401 and DQA1*0501 alleles and shown in B-lymphoblastoid cell lines. |
| Starting Page | 182 |
| Ending Page | 188 |
| Page Count | 7 |
| File Format | |
| ISSN | 00937711 |
| Journal | Immunogenetics |
| Volume Number | 57 |
| Issue Number | 3-4 |
| e-ISSN | 14321211 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2005-04-05 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Splicing Polyadenylation DQA1 gene 3′UTR Post-transcriptional regulation |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Immunology |
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