Multilevel selection leads to divergent coadaptation of care-giving 1 parents during pre-hatching parental care 2

Multilevel selection leads to divergent coadaptation of care-giving 1 parents during pre-hatching parental care 2
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多级选择导致孵化前父母照顾 2 期间照顾者 1 父母的不同的共同适应

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发表时间:
2022
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通讯作者:
R. Kilner
R. Kilner
中科院分区:
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作者:
Benjamin J. M. Jarrett;R. Mashoodh;S. Issar;S. Pascoal;D. Rebar;Jyun Sun;Matthew Schrader;R. Kilner

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15.父母照料往往涉及母亲和父亲之间的协调。它们的协调部分是由于灵活的“谈判规则”,使母亲和父亲能够在真实的时间内相互适应,但也可能是由于不同的环境条件,导致不同的谈判规则在不同的种群中通过相互适应而进化。我们进化实验19个种群的埋葬甲虫Nicrophorus vespilloides在不同的环境和测试的20个证据表明,性别已经coadapted这些不同的环境。在两个种群中,父母21提供孵化前和孵化后的护理(完全护理环境),而在另外两个种群中,父母22只提供孵化前的护理(无护理环境)。我们以前已经表明,父母在23个无护理人口迅速发展上级孵化前的照顾。在这里,我们表明,这是由于24 coadaptation的男性和女性所表达的特征,而他们转换成一个可食用的腐肉25巢幼虫。经过15代的实验进化,我们创建了异型对(无护理26名女性与全护理男性,无护理男性与全护理女性),发现他们在制作腐肉巢方面的效率低于同型无护理对,对育雏性能产生负面影响。我们认为,性别的共适应是选择的结果,作用于29对以不同的方式在无护理与完全护理的环境。我们讨论了如何合作对或团队的个人内的社会共30适应可以作为交配后的障碍基因31流。
15 Parental care often involves coordination between the mothers and fathers. Their coordination is 16 partly due to flexible ‘negotiation rules’ that allow mothers and fathers to respond adaptively to each 17 other in real time, but could also be due to divergent environmental conditions that cause different 18 negotiation rules to evolve in different populations through coadaptation. We evolved experimental 19 populations of burying beetles Nicrophorus vespilloides in different environments and tested for 20 evidence that the sexes had coadapted to these divergent environments. In two populations, parents 21 supplied pre- and post-hatching care (Full Care environment), while in two other populations, parents 22 supplied only pre-hatching care (No Care environment). We have previously shown that parents in the 23 No Care populations rapidly evolved superior pre-hatching care. Here we show that this is due to the 24 coadaptation of the traits expressed by males and females while they convert carrion into an edible 25 nest for larvae. After 15 generations of experimental evolution, we created heterotypic pairs (No Care 26 females with Full Care males, and No Care males with Full Care females) and found they were less 27 effective at making a carrion nest than homotypic No Care pairs—with negative consequences for 28 brood performance. We suggest that the coadaptation of the sexes is the result of selection acting on 29 pairs in different ways in the No Care versus Full Care environments. We discuss how social co- 30 adaptations within cooperating pairs or teams of individuals could act as post-mating barriers to gene 31 flow.