Competitive ability in male house mice (Mus musculus): genetic influences.
Competitive ability in male house mice (Mus musculus): genetic influences.
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DOI：
10.1007/s10519-012-9577-3
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发表时间：
2013-03
影响因子：
2.6
通讯作者：
Carrier, David R.
中科院分区：
文献类型：
--
作者：
Cunningham, Christopher B.;Ruff, James S.;Chase, Kevin;Potts, Wayne K.;Carrier, David R.
Conspecifics of many animal species physically compete to gain reproductive resources and thus fitness. Despite the importance of competitive ability across the animal kingdom, specific traits that influence or underpin competitive ability are poorly characterized. Here, we investigate whether there are genetic influences on competitive ability within male house mice. Additionally, we examined if litter demographics (litter size and litter sex ratio) influence competitive ability. We phenotyped two generations for a male s ability to possess a reproductive resource--a prime nesting site--using semi-natural enclosures with mixed sex groupings. We used the animal model coupled with an extensive pedigree to estimate several genetic parameters. Competitive ability was found to be highly heritable, but only displayed a moderate genetic correlation to body mass. Interestingly, litter sex ratio had a weak negative influence on competitive ability. Litter size had no significant influence on competitive ability. Our study also highlights how much remians unknown about the proximal causes of competitive ability.
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影响因子：
56.9
作者：
DESJARDINS, C;MARUNIAK, JA;BRONSON, FH
通讯作者：
BRONSON, FH
影响因子：
2.5
作者：
DEWSBURY, DA
通讯作者：
DEWSBURY, DA
影响因子：
1.7
作者：
Crowcroft, P.
通讯作者：
Crowcroft, P.
影响因子：
1.3
作者：
Drickamer, LC
通讯作者：
Drickamer, LC
DOI：
10.1073/pnas.1001394107
发表时间：
2010-07-06
影响因子：
11.1
作者：
Fuxjager, Matthew J.;Forbes-Lorman, Robin M.;Marler, Catherine A.
通讯作者：
Marler, Catherine A.