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Evidence for frequency-dependent selection maintaining polymorphism in the Batesian mimic Papilio polytes in multiple islands in the Ryukyus, Japan

http://hdl.handle.net/20.500.12000/44865
http://hdl.handle.net/20.500.12000/44865
faeb64ad-2995-4fca-8330-cf0c1df16ff1
名前 / ファイル ライセンス アクション
vol9_n11_p5991.pdf vol9_n11_p5991.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2019-09-19
タイトル
タイトル Evidence for frequency-dependent selection maintaining polymorphism in the Batesian mimic Papilio polytes in multiple islands in the Ryukyus, Japan
言語 en
作成者 Tsurui, Kaori Sato

× Tsurui, Kaori Sato

en Tsurui, Kaori Sato

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Sato, Yukuto

× Sato, Yukuto

en Sato, Yukuto

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Kato, Emi

× Kato, Emi

en Kato, Emi

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Katoh, Mitsuho

× Katoh, Mitsuho

en Katoh, Mitsuho

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Kimura, Ryosuke

× Kimura, Ryosuke

en Kimura, Ryosuke

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Tatsuta, Haruki

× Tatsuta, Haruki

en Tatsuta, Haruki

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Tsuji, Kazuki

× Tsuji, Kazuki

en Tsuji, Kazuki

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アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
主題
言語 en
主題Scheme Other
主題 female-limited mimetic polymorphism
主題
言語 en
主題Scheme Other
主題 mimic ratio
主題
言語 en
主題Scheme Other
主題 model abundance
主題
言語 en
主題Scheme Other
主題 phylogenetic analyses
主題
言語 en
主題Scheme Other
主題 population genetics
内容記述
内容記述タイプ Other
内容記述 Batesian mimicry is a well-studied adaptation for predation avoidance, in which a mimetic species resembles an unpalatable model species. Batesian mimicry can be under positive selection because of the protection gained against predators, due to resemblance to unpalatable model species. However, in some mimetic species, nonmimetic individuals are present in populations, despite the benefits of mimicry. The mechanism for evolution of such mimetic polymorphism remains an open question. Here, we address the hypothesis that the abundance of mimics is limited by that of the models, leading to mimetic polymorphism. In addition, other forces such as the effects of common ancestry and/or isolation by distance may explain this phenomenon. To investigate this question, we focused on the butterfly, Papilio polytes, that exhibits mimetic polymorphism on multiple islands of the Ryukyus, Japan, and performed field surveys and genetic analysis. We found that the mimic ratio of P. polytes was strongly correlated with the model abundance observed on each of the five islands, suggesting negative frequency-dependent selection is driving the evolution of polymorphism in P. polytes populations. Molecular phylogenetic analysis indicated that the southern island populations are the major source of genetic diversity, and the middle and northern island populations arose by relatively recent migration. This view was also supported by mismatch distribution and Tajima's D analyses, suggesting a recent population expansion on the middle and northern islands, and stable population persistence on the southern islands. The frequency of the mimetic forms within P. polytes populations is thus explained by variations in the model abundance rather than by population structure. Thus, we propose that predation pressure, rather than neutral forces, have shaped the Batesian mimicry polymorphism in P. polytes observed in the Ryukyus.
内容記述
内容記述タイプ Other
内容記述 論文
出版者
言語 en
出版者 Wiley
言語
言語 eng
資源タイプ
資源タイプ journal article
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
識別子
識別子 http://hdl.handle.net/20.500.12000/44865
識別子タイプ HDL
関連情報
識別子タイプ DOI
関連識別子 https://doi.org/10.1002/ece3.5182
関連情報
識別子タイプ DOI
関連識別子 10.1002/ece3.5182
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 2045-7758
収録物名
言語 en
収録物名 Ecology and Evolution
書誌情報
巻 9, 号 10, p. 5991-6002, 発行日 2019-05-29
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