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  1. 010 学術雑誌論文
  2. 01 研究員発表論文
  3. 原野, 智広 / HARANO, Tomohiro

Sperm precedence in Callosobruchus chinensis estimated using the sterile male technique

https://ir.soken.ac.jp/records/3800
https://ir.soken.ac.jp/records/3800
898484b1-63ef-498e-8bb8-6394a75ac244
Item type 学術雑誌論文 / Journal Article(1)
公開日 2013-07-24
タイトル
タイトル Sperm precedence in Callosobruchus chinensis estimated using the sterile male technique
タイトル
タイトル Sperm precedence in Callosobruchus chinensis estimated using the sterile male technique
言語 en
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
アクセス権
アクセス権 metadata only access
アクセス権URI http://purl.org/coar/access_right/c_14cb
著者 HARANO, Tomohiro

× HARANO, Tomohiro

HARANO, Tomohiro

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NAKAMOTO, Yutaka

× NAKAMOTO, Yutaka

NAKAMOTO, Yutaka

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MIYATAKE, Takahisa

× MIYATAKE, Takahisa

MIYATAKE, Takahisa

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著者別名 原野, 智広

× 原野, 智広

原野, 智広

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抄録
内容記述タイプ Abstract
内容記述 P2, the proportion of offspring sired by the second male to mate, is an indicator of the outcome of postcopulatory sexual selection, which occurs through sperm competition and/or cryptic female choice. We determined the appropriate dose of gamma radiation for sterilization of adult males and, using the sterile male technique, measured P2 in the adzuki bean beetle, Callosobruchus chinensis. Adult males of C. chinensis were almost completely sterilized when irradiated at 80 Gy. Thus, we obtained sterile males through irradiation at this dose. Neither the probability of female first mating nor the probability of female remating was affected by whether females were paired with normal or sterile males. The P2 calculated from the hatching success of eggs laid by females that mated both with normal and sterile males did not differ between reciprocal mating sequences, indicating that the sterilization has no effect on sperm fertilizing ability. The P2 was estimated at 0.25. This study shows that female remating in C. chinensis means the coexistence of sperm from two males and thus the occurrence of postcopulatory sexual selection within the female reproductive tract, resulting in first-male sperm precedence.
書誌情報 Journal of Ethology
en : Journal of Ethology

巻 26, 号 1, p. 201-206, 発行日 2008-01
出版者
出版者 SpringerLink
ISSN
収録物識別子タイプ ISSN
収録物識別子 02890771
DOI
識別子タイプ DOI
関連識別子 https://doi.org/10.1007/s10164-007-0067-7
関連名称 10.1007/s10164-007-0067-7
権利
権利情報 SpringerLink(The original publication is available at www.springerlink.com)
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