| タイトル |
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en
Independent origins of female penis and its coevolution with male vagina in cave insects (Psocodea : Prionoglarididae)
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| 作成者 |
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| アクセス権 |
open access |
| 主題 |
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Other
en
genital evolution
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Other
en
reversed direction of sexual selection
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Other
en
cryptic mate choice
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Other
en
sexual conflict
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Other
en
sexually antagonistic coevolution
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NDC
486
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| 内容注記 |
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Abstract
en
The cave-dwelling psocid tribe Sensitibillini (Afrotrogla, Neotrogla and Sensitibilla) is of special morphological and evolutionary interest because of its possession of reversed copulatory organs: i.e. females of Afrotrogla and Neotrogla have a penis-like organ. The female penis structure is highly variable among taxa, as is the case of the male penis in animals with normal copulatory organs. Here, we present the first molecular phylogeny of Sensitibillini and analyse the evolutionary pattern of their genitalia. Afrotrogla and Neotrogla did not form a monophyletic clade, and their female penis structures are significantly different, suggesting two independent origins of the female penis within Sensitibillini. In Neotrogla, the species that has a simple female penis is embedded among species that have an elaborate penis, and detailed structures of the female penis elaborations are in exact agreement among species, suggesting a secondary simplification of the female penis. A correlated evolutionary pattern between male and female genitalia was also detected. This coevolution of genitalia may suggest that sexual conflict or cryptic 'male' choice drove the diversity of the female penis, as is the case of male penile diversity in animals with conventional genitalia.
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| 出版者 |
en
Royal Society
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| 日付 |
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| 言語 |
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| 資源タイプ |
journal article |
| 出版タイプ |
SMUR |
| 資源識別子 |
HDL
http://hdl.handle.net/2115/75289
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| 関連 |
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isVersionOf
DOI
https://doi.org/10.1098/rsbl.2018.0533
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PMID
30463921
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| 収録誌情報 |
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PISSN
1744-9561
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EISSN
1744-957X
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NCID
AA1202972X
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en
Biology letters
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巻14
号11
開始ページ20180533
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| ファイル |
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| コンテンツ更新日時 |
2023-07-26 |
