Assessment of rival males through the use of multiple sensory cues in the fruitfly Drosophila pseudoobscura.
Assessment of rival males through the use of multiple sensory cues in the fruitfly Drosophila pseudoobscura.
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DOI：
10.1371/journal.pone.0123058
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发表时间：
2015
期刊：
影响因子：
3.7
通讯作者：
Price TA
中科院分区：
文献类型：
--
作者：
Maguire CP;Lizé A;Price TA
环境是随机变化的，动物需要以最适合它们所处环境的方式行事。社会环境是特别多变的，对它做出适当的反应对动物的成功至关重要。然而，社会环境的线索并不总是可靠的，动物可能需要平衡准确性与无法响应的风险，如果当地条件或干扰信号阻止它们发现线索。最近的研究表明，许多雄性果蝇对竞争对手的存在做出反应，这些反应增加了它们获得配偶和生育后代的成功率。在黑腹果蝇中，雄性通过听觉、触觉和嗅觉来发现对手。然而，如果这两种感官中的任何一种不起作用，雄性就不会对竞争对手做出反应：一个提示不足以产生反应。在这里，我们研究了一种远亲果蝇D. pseudobscura在检测竞争对手雄性时使用的线索，其中听觉、嗅觉、触觉和视觉线索被操纵，以评估每种感官线索单独或组合的重要性。与黑腹龙相比，雄性伪腹龙需要完整的嗅觉和触觉线索来回应对手。视觉线索对检测竞争对手伪眼田鼠并不重要，而听觉线索的结果则令人困惑。同一属的两个物种在线索使用上的差异表明，线索使用在进化上是不稳定的，可能是对物种之间生态或生活史差异的反应。
Environments vary stochastically, and animals need to behave in ways that best fit the conditions in which they find themselves. The social environment is particularly variable, and responding appropriately to it can be vital for an animal’s success. However, cues of social environment are not always reliable, and animals may need to balance accuracy against the risk of failing to respond if local conditions or interfering signals prevent them detecting a cue. Recent work has shown that many male Drosophila fruit flies respond to the presence of rival males, and that these responses increase their success in acquiring mates and fathering offspring. In Drosophila melanogaster males detect rivals using auditory, tactile and olfactory cues. However, males fail to respond to rivals if any two of these senses are not functioning: a single cue is not enough to produce a response. Here we examined cue use in the detection of rival males in a distantly related Drosophila species, D. pseudoobscura, where auditory, olfactory, tactile and visual cues were manipulated to assess the importance of each sensory cue singly and in combination. In contrast to D. melanogaster, male D. pseudoobscura require intact olfactory and tactile cues to respond to rivals. Visual cues were not important for detecting rival D. pseudoobscura, while results on auditory cues appeared puzzling. This difference in cue use in two species in the same genus suggests that cue use is evolutionarily labile, and may evolve in response to ecological or life history differences between species.
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影响因子：
2.5
作者：
Gray, SJ;Jensen, SP;Hurst, JL
通讯作者：
Hurst, JL
DOI：
10.1098/rspb.2008.1878
发表时间：
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