論文 - 詳細
| RRC ID | 22813 |
|---|---|
| 著者 | Nguyen P, Sýkorová M, Šíchová J, Kůta V, Dalíková M, Čapková Frydrychová R, Neven LG, Sahara K, Marec F. |
| タイトル | Neo-sex chromosomes and adaptive potential in tortricid pests. |
| ジャーナル | Proc Natl Acad Sci U S A |
| Abstract |
Changes in genome architecture often have a significant effect on ecological specialization and speciation. This effect may be further enhanced by involvement of sex chromosomes playing a disproportionate role in reproductive isolation. We have physically mapped the Z chromosome of the major pome fruit pest, the codling moth, Cydia pomonella (Tortricidae), and show that it arose by fusion between an ancestral Z chromosome and an autosome corresponding to chromosome 15 in the Bombyx mori reference genome. We further show that the fusion originated in a common ancestor of the main tortricid subfamilies, Olethreutinae and Tortricinae, comprising almost 700 pest species worldwide. The Z-autosome fusion brought two major genes conferring insecticide resistance and clusters of genes involved in detoxification of plant secondary metabolites under sex-linked inheritance. We suggest that this fusion significantly increased the adaptive potential of tortricid moths and thus contributed to their radiation and subsequent speciation. |
| 巻・号 | 110(17) |
| ページ | 6931-6 |
| 公開日 | 2013-4-23 |
| DOI | 10.1073/pnas.1220372110 |
| PII | 1220372110 |
| PMID | 23569222 |
| PMC | PMC3637691 |
| MeSH | Adaptation, Biological / genetics* Animals Base Sequence Chromosomes, Artificial, Bacterial Evolution, Molecular* In Situ Hybridization, Fluorescence Molecular Sequence Data Moths / genetics* Physical Chromosome Mapping Sequence Analysis, DNA Sex Chromosomes / genetics* Translocation, Genetic / genetics* |
| IF | 9.412 |
| 引用数 | 62 |
| WOS 分野 | GENETICS & HEREDITY |
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