Pace-of-life: Relationships among locomotor activity, life history, and circadian rhythm in the assassin bug, Amphibolus venator

Pace-of-life: Relationships among locomotor activity, life history, and circadian rhythm in the assassin bug, Amphibolus venator
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生活节奏:刺蝽、Amphibolus venator 的运动活动、生活史和昼夜节律之间的关系

DOI:
10.1111/eth.12831
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发表时间:
2019
期刊:
影响因子:
1.7
通讯作者:
Miyatake Takahisa
Miyatake Takahisa
中科院分区:
生物学3区
文献类型:
--
作者:
Matsumura Kentarou;Ito Ryohei;Miyatake Takahisa

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生活步速综合征(POLS)假说意味着动物的行为与生活史策略相关。研究报告称,在一些动物中,昼夜节律的自由运行周期(周期的长度)与生活史策略有关。尽管昼夜节律的长度可能与POLS假说有关,但很少有研究调查动物行为、生活史特征和昼夜节律之间的关系。我们在刺客虫Amphibolus venator中测试了Pols假说,它显示了运动活动的个体差异。我们发现个体之间运动活动差异的重复性更高。此外,我们发现了运动活动和发育周期之间的权衡关系,使得活跃的个体发展得更快。然而,活动活动与昼夜节律的长度并不相关。因此,这项研究表明,脉曲霉昼夜节律的长度不支持Pols假说。
The pace‐of‐life syndrome (POLS) hypothesis means that animal behavior is correlated with life history strategies. Studies have reported that the free‐running period of the circadian rhythm (length of the period) is correlated with life history strategies in some animals. Although the length of the circadian rhythm may be associated with the POLS hypothesis, few studies have investigated the relationships among animal behavior, life history traits, and circadian rhythm. We tested the POLS hypothesis in the assassin bug,Amphibolus venator,which shows individual variation in locomotor activity. We found higher repeatability of differences in locomotor activity between individuals. Moreover, we found a trade‐off between locomotor activity and developmental period such that active individuals developed faster. However, locomotor activity was not correlated with the length of the circadian rhythm inA.venator. Therefore, this study suggests that the length of the circadian rhythm inA.venatordoes not support the POLS hypothesis.
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