父本捕食风险改变双亲勃兰特田鼠的亲本行为和后代表型。

IF 2 2区 生物学 Q2 ZOOLOGY
Current Zoology Pub Date : 2024-11-21 eCollection Date: 2025-08-01 DOI:10.1093/cz/zoae071
Ruiyong Wu, Jing Zhu, Ping Wang, Zedong Xu, Lin Chen, Yi Chen, Jiahong Xu, Qianying Wang, Shengmei Yang, Wanhong Wei
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引用次数: 0

摘要

父亲的捕食风险可以通过母亲的反应和精子的表观遗传标记来编程后代的表型。然而,在双亲本物种中,这种经历的过程和后果是未知的。在这里,我们研究了孕前和孕后父亲猫气味(CO)暴露如何影响勃兰特田鼠(Lasiopodomys brandtii)的焦虑样行为和反捕食者反应。我们发现,当后代由母亲单独抚养时,孕前父亲CO暴露会抑制母亲的投资,而怀孕后暴露会增加父亲对父母共同抚养的后代的投资。父系行为的增加可能与从配偶那里得到的梳理行为的增加有关,这减轻了co暴露雄性的焦虑行为。两种父亲的经历都增加了青春期后代的焦虑样行为水平,但不同的是改变了成年表型。具体来说,怀孕前暴露于一氧化碳的父亲的成年雌性在防御性隐藏上花费的时间较少,而怀孕后暴露于一氧化碳的父亲的后代对急性猫尿暴露的反应更多。相应地,这些后代的基线皮质酮水平分别降低和升高。我们的研究结果表明,在双亲本物种中,父亲的捕食风险暴露以途径依赖和年龄特异性的方式影响后代的表型,并且只有父母双方的存在才能引发对高捕食风险环境的适应性反应。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Paternal predatory risk alters parental behavior and offspring phenotypes in biparental Brandt's voles.

Paternal predation risk can program offspring phenotypes via maternal responses and epigenetic marks of spermatozoa. However, the processes and consequences of this experience in biparental species are unknown. Here, we examined how preconception and postconception paternal cat odor (CO) exposure affects anxiety-like behavior and antipredator response in Brandt's voles (Lasiopodomys brandtii). We found that preconception paternal CO exposure inhibited maternal investment when offspring were raised by mothers alone, while postconception exposure increased paternal investment towards the offspring raised by both parents. The increased paternal behavior may be associated with an increasing grooming behavior received from their mates, which alleviated the anxiety-like behavior in CO-exposed males. Both paternal experiences increased the levels of anxiety-like behavior in adolescent offspring but differentially altered adult phenotypes. Specifically, adult females from preconception CO-exposed fathers spent less time in defensive concealing, whereas the offspring of postconception CO-exposed fathers showed more in response to acute cat urine exposure. Correspondingly, baseline corticosterone levels were decreased and increased in these offspring, respectively. Our results indicate that in biparental species, paternal predation risk exposure affects offspring phenotypes in pathway-dependent and age-specific manners and that only the presence of both parents can elicit adaptive responses to a high predation-risk environment.

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来源期刊
Current Zoology
Current Zoology Agricultural and Biological Sciences-Animal Science and Zoology
CiteScore
3.20
自引率
9.10%
发文量
111
审稿时长
6 weeks
期刊介绍: About the Journal Current Zoology (formerly Acta Zoologica Sinica, founded in 1935) is an open access, bimonthly, peer-reviewed international journal of zoology. It publishes review articles and research papers in the fields of ecology, evolution and behaviour. Current Zoology is sponsored by Institute of Zoology, Chinese Academy of Sciences, along with the China Zoological Society.
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