Can sexual selection theory inform genetic management of captive populations? A review.
Can sexual selection theory inform genetic management of captive populations? A review.
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DOI：
10.1111/eva.12229
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发表时间：
2014-11
影响因子：
4.1
通讯作者：
Low M
中科院分区：
文献类型：
--
作者：
Chargé R;Teplitsky C;Sorci G;Low M
出于保护目的的圈养育种提出了一个严重的实际挑战，因为几个相互冲突的遗传过程（即，近交衰退、随机遗传漂变和对圈养的遗传适应）需要协调一致地管理，以最大限度地提高圈养种群的持久性和重新引入的成功概率。由于目前的遗传管理往往只是部分成功地实现这些目标，有人建议，管理的见解可能会发现在性选择理论（特别是，女性配偶的选择）。我们回顾了理论和经验文献，并考虑了在当前不同性选择理论的遗传指南（即，直接的好处，好的基因，兼容的基因，性感的儿子）。我们表明，虽然在某些条件下，配偶选择显示出作为圈养繁殖工具的希望，但对于大多数物种来说，目前理论和经验证据太少，无法提供任何明确的指导方针，以保证积极的健身结果，并避免与其他遗传目标发生冲突。雌性配偶选择在圈养繁殖中的应用尚处于起步阶段，需要一个基于圈养物种管理需求的目标导向框架，因此研究人员可以利用模拟、模型物种和圈养动物数据，对这种方法的成本和效益进行诚实的评估。
Captive breeding for conservation purposes presents a serious practical challenge because several conflicting genetic processes (i.e., inbreeding depression, random genetic drift and genetic adaptation to captivity) need to be managed in concert to maximize captive population persistence and reintroduction success probability. Because current genetic management is often only partly successful in achieving these goals, it has been suggested that management insights may be found in sexual selection theory (in particular, female mate choice). We review the theoretical and empirical literature and consider how female mate choice might influence captive breeding in the context of current genetic guidelines for different sexual selection theories (i.e., direct benefits, good genes, compatible genes, sexy sons). We show that while mate choice shows promise as a tool in captive breeding under certain conditions, for most species, there is currently too little theoretical and empirical evidence to provide any clear guidelines that would guarantee positive fitness outcomes and avoid conflicts with other genetic goals. The application of female mate choice to captive breeding is in its infancy and requires a goal-oriented framework based on the needs of captive species management, so researchers can make honest assessments of the costs and benefits of such an approach, using simulations, model species and captive animal data.
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