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| Content Provider | PubMed Central |
|---|---|
| Author | Fujii, Takeshi Ito, Katsuhiko Tatematsu, Mitsuko Shimada, Toru Katsuma, Susumu Ishikawa, Yukio |
| Abstract | (E)-11- and (Z)-11-tetradecenyl acetate are the most common female sex pheromone components in Ostrinia moths. The Δ11-desaturase expressed in the pheromone gland (PG) of female moths is a key enzyme that introduces a double bond into pheromone molecules. A single Δ11-desaturase of Ostrinia nubilalis, OnubZ/E11, has been shown to produce an ∼7:3 mixture of (E)-11- and (Z)-11-tetradecenoate from the substrate tetradecanoate. In contrast, the sex pheromone of Ostrinia latipennis, a primitive species of Ostrinia, is (E)-11-tetradecenol. This pheromone is unique in that it is not acetylated, and includes no Z isomer. In the present study, through the cloning and functional analysis of a PG-specific Δ11-desaturase in O. latipennis, we showed that the absence of the Z isomer in the pheromone is attributable to the strict product specificity of the Δ11-desaturase in this species, LATPG1. Phylogenetic analysis revealed that LATPG1 was not closely related to OnubZ/E11. Rather, it was closely related to retroposon-linked cryptic Δ11-desaturases (ezi-Δ11) found in the genomes of O. nubilalis and Ostrinia furnacalis. Taken together, the results showed that an unusual Δ11-desaturase is functionally expressed in O. latipennis, although the genes encoding this enzyme appear to be cryptic in congeners. |
| Related Links | http://dx.doi.org/10.1073/pnas.1019519108 |
| Ending Page | 7106 |
| Page Count | 5 |
| Starting Page | 7102 |
| File Format | |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 17 |
| Volume Number | 108 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 2011-04-26 |
| Access Restriction | Open |
| Rights Holder | National Academy of Sciences |
| Subject Keyword | General Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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