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| Content Provider | Springer Nature Link |
|---|---|
| Author | Hisatomi, Y. Hanada, K. Iida, S. |
| Copyright Year | 1997 |
| Abstract | Transposable elements have often been discovered as new insertion sequences in known genes, and minisatellites are often employed as molecular markers in diagnostic and mapping studies. We compared the genes for flower pigmentation in a line of the common morning glory bearing fully colored flowers with those in two anthocyanin flaked mutable lines producing variegated flowers and found RFLPs at the region of the ANS gene for anthocyanin biosynthesis. The DNA rearrangements detected by the RFLPs are due to integration of a novel type of minisatellite, MiniSip1, having a long LTR retrotransposon, RTip1, inserted in the mutable lines. The structural analysis of the rearranged region revealed that the 12.4-kb RTip1 element is flanked by 5-bp target duplications within the MiniSip1 sequence and contains two LTR sequences of about 590 bp, a primer binding site for tRNALys, a typical polypurine tract and another new type of minisatellite, MiniSip2. Since no long open reading frame corresponding to the gag and pol genes was found, RTip1 appears to be a defective Ty3/gypsy-like element. Interestingly, the 269-bp-long MiniSip1 element comprises two alternating motifs of 41 bp and 19 bp, whereas the 962 bp long MiniSip2 element consists of two partially alternating motifs of 86 bp and 90 bp which are partially homologous to each other. Possible evolutionary processes that may have generated the rearranged structure at the ANS gene region are also discussed. |
| Starting Page | 1049 |
| Ending Page | 1056 |
| Page Count | 8 |
| File Format | |
| ISSN | 00405752 |
| Journal | Theoretical and Applied Genetics |
| Volume Number | 95 |
| Issue Number | 7 |
| e-ISSN | 14322242 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 1997-11-26 |
| Publisher Place | Berlin/Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Medicine Biotechnology Agronomy and Crop Science |
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