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Microbial arms race: Ballistic “nematocysts” in dinoflagellates represent a new extreme in organelle complexity
https://oist.repo.nii.ac.jp/records/220
https://oist.repo.nii.ac.jp/records/220fda6825a-cdf4-433b-be95-4f6e7cd23bd2
名前 / ファイル | ライセンス | アクション |
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e1602552.full (1.4 MB)
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Creative Commons Attribution-Non-Commercial 4.0 International
(http://creativecommons.org/licenses/by-nc/4.0/) |
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-01-16 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Microbial arms race: Ballistic “nematocysts” in dinoflagellates represent a new extreme in organelle complexity | |||||
言語 | ||||||
言語 | eng | |||||
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) |
Gavelis, Gregory S.
× Gavelis, Gregory S.× Wakeman, Kevin C.× Tillmann, Urban× Ripken, Christina× Mitarai, Satoshi× Herranz, Maria× Özbek, Suat× Holstein, Thomas× Keeling, Patrick J.× Leander, Brian S. |
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書誌情報 |
en : Science Advances 巻 3, 号 3, p. e1602552, 発行日 2017-03-31 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | We examine the origin of harpoon-like secretory organelles (nematocysts) in dinoflagellate protists. These ballistic organelles have been hypothesized to be homologous to similarly complex structures in animals (cnidarians); but we show, using structural, functional, and phylogenomic data, that nematocysts evolved independently in both lineages. We also recorded the first high-resolution videos of nematocyst discharge in dinoflagellates. Unexpectedly, our data suggest that different types of dinoflagellate nematocysts use two fundamentally different types of ballistic mechanisms: one type relies on a single pressurized capsule for propulsion, whereas the other type launches 11 to 15 projectiles from an arrangement similar to a Gatling gun. Despite their radical structural differences, these nematocysts share a single origin within dinoflagellates and both potentially use a contraction-based mechanism to generate ballistic force. The diversity of traits in dinoflagellate nematocysts demonstrates a stepwise route by which simple secretory structures diversified to yield elaborate subcellular weaponry. | |||||
出版者 | ||||||
出版者 | American Association for the Advancement of Science | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2375-2548 | |||||
PubMed番号 | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | PMID | |||||
関連識別子 | info:pmid/28435864 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1126/sciadv.1602552 | |||||
権利 | ||||||
権利情報 | © 2017 The Authors. | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://advances.sciencemag.org/content/3/3/e1602552/tab-article-info | |||||
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 |