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Toxin expression in snake venom evolves rapidly with constant shifts in evolutionary rates
https://oist.repo.nii.ac.jp/records/1655
https://oist.repo.nii.ac.jp/records/16556863ebe1-272c-46b1-b54f-9b71e4a095c7
名前 / ファイル | ライセンス | アクション |
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rspb.2020.0613 (1.2 MB)
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Creative Commons Attribution 4.0 International(https://creativecommons.org/licenses/by/4.0/)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-07-30 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Toxin expression in snake venom evolves rapidly with constant shifts in evolutionary rates | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | gene expression evolution | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | early burst | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | snake venom | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | complex traits | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | key innovation | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者(英) |
Barua, Agneesh
× Barua, Agneesh× Mikheyev, Alexander S. |
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書誌情報 |
en : Proceedings of the Royal Society B: Biological Sciences 巻 287, 号 1926, p. 20200613, 発行日 2020-04-29 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Key innovations provide ecological opportunity by enabling access to new resources, colonization of new environments, and are associated with adaptive radiation. The most well-known pattern associated with adaptive radiation is an early burst of phenotypic diversification. Venoms facilitate prey capture and are widely believed to be key innovations leading to adaptive radiation. However, few studies have estimated their evolutionary rate dynamics. Here, we test for patterns of adaptive evolution in venom gene expression data from 52 venomous snake species. By identifying shifts in tempo and mode of evolution along with models of phenotypic evolution, we show that snake venom exhibits the macroevolutionary dynamics expected of key innovations. Namely, all toxin families undergo shifts in their rates of evolution, likely in response to changes in adaptive optima. Furthermore, we show that rapid-pulsed evolution modelled as a Levy process better fits snake venom evolution than conventional early burst or Ornstein-Uhlenbeck models. While our results support the idea of snake venom being a key innovation, the innovation of venom chemistry lacks clear mechanisms that would lead to reproductive isolation and thus adaptive radiation. Therefore, the extent to which venom directly influences the diversification process is still a matter of contention. | |||||
出版者 | ||||||
出版者 | Royal Society | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0962-8452 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1471-2954 | |||||
PubMed番号 | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | PMID | |||||
関連識別子 | info:pmid/32345154 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1098/rspb.2020.0613 | |||||
権利 | ||||||
権利情報 | © 2020 The Author(s) | |||||
情報源 | ||||||
関連名称 | https://creativecommons.org/licenses/by/4.0/ | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://royalsocietypublishing.org/doi/10.1098/rspb.2020.0613 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |