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Xenacoelomorph-Specific Hox Peptides: Insights into the Phylogeny of Acoels, Nemertodermatids, and Xenoturbellids
https://oist.repo.nii.ac.jp/records/1451
https://oist.repo.nii.ac.jp/records/1451153d8d9f-9fe6-4369-97a4-bfc01e5ff1e3
名前 / ファイル | ライセンス | アクション |
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zs190045 (260.3 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-05-02 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Xenacoelomorph-Specific Hox Peptides: Insights into the Phylogeny of Acoels, Nemertodermatids, and Xenoturbellids | |||||
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) |
Ueki, Tatsuya
× Ueki, Tatsuya× Arimoto, Asuka× Tagawa, Kuni× Satoh, Noriyuki |
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書誌情報 |
en : Zoological Science 巻 36, 号 5, p. 395-401, 発行日 2019-10-01 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Xenacoelomorpha has recently been proposed as an animal taxon that includes acoels, nemertodermatids, and xenoturbellids. Their flattened bodies are very simple and lack discrete organs. The Acoela and Nemertodermatida (which comprise Acoelomorpha) were traditionally regarded as early-diverged extant orders of the class Turbellaria of the phylum Platyhelminthes. Recent anatomical studies and molecular phylogenetic studies demonstrate that the two groups belong to the phylum Xenacoelomorpha together with Xenoturbellida. However, debate remains in regard to whether Xenacoelomorpha is monophyletic, and whether xenacoelomorphs are sisters to all other bilaterians or have close affinity to ambulacrarians. The present study addresses the first question by examining the presence or absence of diagnostic peptide sequences shared by the three taxa. Hox genes have been used to investigate the phylogenetic relationships of metazoans. It has been shown that lophotrochozoans, rotifers, and chaetognaths share diagnostic peptide sequences in the C-terminal region of the Lox5 (Hox5/6/7) homeodomain proteins, which supports the clustering of these taxa. Examination of the decoded genome of the acoel Praesagittifera naikaiensis and reported xenacoelomorph Hox genes revealed that acoels share a peptide NLK(S/T)MSQ(V/I)D, which starts immediately after the homeodomain sequence of the central Hox4/5/6. In addition, we found another diagnostic peptide, KEGKL, in the C-terminal region of the anterior Hox1, which is shared by all the three groups of xenacoelomorphs, but not other bilaterians. Furthermore, two acoels, Praesagittifera naikaiensis and Symsagittifera roscoffensis, share another peptide SG(A/P)-PGM in the posterior Hox9/11/13. These results support the designation of the phylum Xenacoelomorpha, in which Acoela is a discrete group. | |||||
出版者 | ||||||
出版者 | Zoological Society of Japan | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0289-0003 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.2108/zs190045 | |||||
権利 | ||||||
権利情報 | © 2019 Zoological Society of Japan | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.2108/zs190045 | |||||
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 |