Variation in eye abundance among scallops reveals ontogenetic and evolutionary convergence associated with life habits

Variation in eye abundance among scallops reveals ontogenetic and evolutionary convergence associated with life habits
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扇贝眼睛丰度的变化揭示了与生活习惯相关的个体发生和进化趋同

DOI:
10.1111/evo.14541
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发表时间:
2022
期刊:
影响因子:
3.3
通讯作者:
Serb, Jeanne M.
Serb, Jeanne M.
中科院分区:
环境科学与生态学2区
文献类型:
--
作者:
Audino, Jorge A.;Adams, Dean C.;Serb, Jeanne M.

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相似文献

眼睛是研究生态驱动因素和表型结果之间复杂相互作用的非凡系统。有些动物,例如扇贝,有很多眼睛用于视觉感知,但迄今为止,多眼系统的进化仍然不清楚。例如,目前尚不清楚眼睛数量是否会在一生中发生变化或因物种而异。考虑到成体大小和生态多样性的种间差异,扇贝是研究这些问题的合适模型组。我们测试了个体和物种的眼睛丰度是否与体型成正比,以及它是否随生活习惯而变化。我们根据 31 种扇贝的眼数和壳高(作为身体大小的代表)进行了比较分析,包括系统发育 ANCOVA 和进化模型比较。我们的分析表明,不同类群之间与体型关系增加的模式并不一致,并表明相似生态引起的个体发育趋同。因此,眼睛数量的选择性最佳与生活习惯的改变有关。例如,活动能力增强的物种比活动能力较差的物种拥有更多的眼睛。更多移动扇贝中更大的眼睛丰度的趋同进化可能表明基于周围环境过采样水平增加的视觉改善。
Eyes are remarkable systems to investigate the complex interaction between ecological drivers and phenotypic outcomes. Some animals, such as scallops, have many eyes for visual perception, but to date, the evolution of multiple-eye systems remains obscure. For instance, it is unclear whether eye number changes over a lifetime or varies among species. Scallops are a suitable model group to investigate these questions considering the interspecific variation of adult size and ecological diversity. We tested whether eye abundance scales with body size among individuals and species and whether it varies with life habits. We performed comparative analyses, including a phylogenetic ANCOVA and evolutionary model comparisons, based on eye count and shell height (as a proxy of body size) across 31 scallop species. Our analyses reveal that patterns of increasing relationship with body size are not concordant among taxa and suggest ontogenetic convergence caused by similar ecologies. Accordingly, selective optima in eye numbers are associated with shifts in life habits. For instance, species with increased mobility have significantly more eyes than less mobile species. The convergent evolution of greater eye abundance in more mobile scallops likely indicates a visual improvement based on increased levels of oversampling of the surrounding environment.
DOI: 10.1098/rspb.2021.1730
发表时间: 2021-11-10
期刊: Proceedings. Biological sciences
影响因子: --
作者:
Chappell DR;Horan TM;Speiser DI
通讯作者: Speiser DI
沙子中的趋势:凹陷扇贝壳形状的定向演化(双壳纲:扇贝科)
DOI: --
发表时间: 2016
期刊: Evolution; international journal of organic evolution
影响因子: --
作者:
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介形类形态沿海洋深度生态地理梯度的环境相关演化
DOI: 10.1111/evo.13748
发表时间: 2019
期刊: Evolution
影响因子: 3.3
作者:
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DOI: 10.5962/bhl.title.11790
发表时间: 2000
期刊: Aquaculture
影响因子: 4.5
作者:
G. A. Drew
通讯作者: G. A. Drew
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DOI: --
发表时间: 2017
影响因子: 2.1
作者:
J. Serb;E. Sherratt;E. Sherratt;Alvin Alejandrino;Alvin Alejandrino;D. Adams
通讯作者: D. Adams