Role of sexual selection in relation to immunosuppression of testosterone on evolution of sexual dimorphisms in fish
Role of sexual selection in relation to immunosuppression of testosterone on evolution of sexual dimorphisms in fish
批准号:
19770015
负责人:
TAKAHASHI Daisuke
金额:
$2.34万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Young Scientists (B)
财政年份:
2007
资助国家:
日本
项目状态:
已结题
起止时间:
2007 至 2009
中文摘要
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英文摘要
The immunocompetence handicap hypothesis (ICHH) assumes that males with attractive sexual ornamentation are more handicapped than their less ornamented rivals because of the immunosuppressive androgens required for the production of secondary sexual characters. The predictions of ICHH were tested in freshwater fishes. The present results supported assumptions of ICHH [1) females prefer males with exaggerative sexual traits, 2) expressions of male sexual traits used in female choice are controlled by androgens, 3) androgens have immunosuppressive effects] in the pale chub Zacco platypus (Cyprinidae). This study suggests that ICHH is useful as a model of evolution of sexual dimorphisms in fishes.
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潜在的な配偶候補者数によって変化するハゼ科魚類ヌマチチブの雌の配偶者選択性
虾虎鱼 Numatitib 雌性的交配选择性随潜在配偶候选数量的变化而变化
DOI:
--
发表时间:
2009
期刊:
影响因子:
--
作者:
[Ochiai, H., Sakamoto, N., Momiyama, A., Akasaka, K., and Yamamoto T., 高橋大輔]
通讯作者:
高橋大輔
Variable male-male competition and female mate choice in relation to nest site abundance in the freshwater goby Tridentiger brevispinis
淡水虾虎鱼中不同的雄性竞争和雌性配偶选择与巢穴丰度的关系
DOI:
--
发表时间:
2008
期刊:
影响因子:
--
作者:
[Takahashi, D]
通讯作者:
D
コイ科魚類オイカワにおけるオスの性的形質と雄性ホルモンとの関係
鲤鱼及川雄性性征与雄激素的关系
DOI:
--
发表时间:
2010
期刊:
影响因子:
--
作者:
[Y. Kameyama, T. Kasagi, G. Kudo, 高橋大輔・三浦さおり]
通讯作者:
高橋大輔・三浦さおり
Variable male-male competition and female mate choice in relation to nest site abundance in the freshwater goby Tridentiger brevispinis.
淡水虾虎鱼中不同的雄性竞争和雌性配偶选择与巢穴丰度的关系。
DOI:
--
发表时间:
2008
期刊:
影响因子:
--
作者:
[Ochiai, H., Sakamoto, N., Momiyama, A., Akasaka, K., and Yamamoto T., 高橋大輔, 落合博, 亀山慶晃,工藤岳, 高橋大輔, 工藤岳,亀山慶晃, 落合 博, Takahashi D.]
通讯作者:
Takahashi D.
Life‐history variation in relation to nest site abundance in males of the freshwater goby Tridentiger brevispinis
淡水虾虎鱼 Tridentiger brevispinis 雄性生活史变异与巢穴丰度的关系
DOI:
10.1111/j.1600-0633.2007.00260.x
发表时间:
2008
期刊:
Ecology of Freshwater Fish
影响因子:
1.8
作者:
[D. Takahashi]
通讯作者:
D. Takahashi
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A Role of Butyrophilin Like 2 as New Co-stimulatory Molecule in Antigen-specific IgE Responsiveness
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