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首页> 外文期刊>Journal of Insect Physiology >Cuticular lipid profiles of fertile and non-fertile Cardiocondyla ant queens.
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Cuticular lipid profiles of fertile and non-fertile Cardiocondyla ant queens.

机译:可育和非可育心con的表皮脂质谱。

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摘要

Both mating and reproduction strongly affect the physiology of insect females. In the ant Cardiocondyla obscurior, a comparison among virgin queens, mated queens, and queens mated with sterilized males ("sham-mated") allows to separate the different effects of mating and egg laying. Here, we investigate whether and how different mating status is reflected in the cuticular lipid profiles of queens, i.e., the blend of chemicals that is thought to signal a queen's fertility. Surprisingly, discriminant analyses failed to reliably distinguish among virgin, mated, and sham-mated queens. A generalized linear model on individual substances showed only very subtle differences. While mating appeared to be positively associated with the proportions of 3-MeC25, 11-/13-MeC27, 5-MeC27, 3-MeC27, and 12-/14-MeC28 and negatively with C27:1, fecundity was negatively associated with C29:1, C31:1, and a sterol derivative. We discuss these results in the light of the special life history of C. obscurior, with completely sterile workers and low egg laying rates in queens.
机译:交配和繁殖都强烈影响昆虫雌性的生理。在蚂蚁心io中,对处女皇后,交配皇后和与灭菌雄性交配后的皇后(“假交配”)进行比较,可以区分交配和产卵的不同效果。在这里,我们调查皇后的表皮脂质谱中是否反映了不同的交配状态,以及如何反映出不同的交配状态,即认为是皇后生育力的化学物质的混合物。出乎意料的是,判别分析未能可靠地区分处女皇后,交配皇后和假女王。关于单个物质的广义线性模型仅显示出非常细微的差异。虽然交配似乎与3-MeC 25 ,11- / 13-MeC 27 ,5-MeC 27 的比例呈正相关, 3-MeC 27 和12- / 14-MeC 28 ,与C 27:1 负相关,生殖力与C 27负相关> 29:1 ,C 31:1 和甾醇衍生物。我们根据暗箱梭菌的特殊生活史来讨论这些结果,其中完全无菌的工人和皇后的产卵率低。

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