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| Content Provider | Springer Nature Link |
|---|---|
| Author | Bemark, M. Liberg, David Leanderson, Tomas |
| Copyright Year | 1998 |
| Abstract | Promoter region sequences of human and mouse Igk-V genes were aligned and found to be conserved for about 200–300 base pairs (bp) within subgroups/families. No promoter similarity was found between IGKV promoters from different human subgroups. Related mouse Igk-V gene families were conserved in the promoter region but no similarity was evident when promoters from unrelated Igk-V gene families were compared. Most of the human IGKV promoter subgroups were shown to have mouse counterparts with a similarity region that extended about 150 bp upstream of the translational start codon. All promoters contained an octamer sequence element. The consensus octamer/decamer sequence was favored but only seven residues within the octamer element were strictly conserved. Furthermore, there was also sequence conservation immediately 3′ of the octamer where either an A or a G residue was conserved. In addition, other DNA elements were also conserved both within the Igk-V subgroups/families and between mouse and human promoters from related subgroups/families. In several of the subgroups/families an E box of the E2A type was conserved 5′ of the octamer and a CCCT element was conserved within the IGKV subgroup II and its related mouse Igk-V families. We conclude from this study that conservation of additional sequence elements besides the octamer is a common feature in Igk-V promoters but that distinct elements are conserved only within a given subgroup/family. Thus, the conservation appears to have operated at the level of function rather than at the level of recognition sequence for defined transcription factors. |
| Starting Page | 183 |
| Ending Page | 195 |
| Page Count | 13 |
| File Format | |
| ISSN | 00937711 |
| Journal | Immunogenetics |
| Volume Number | 47 |
| Issue Number | 3 |
| e-ISSN | 14321211 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 1998-01-22 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Immunology |
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