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Dataset results
13 results for “Coadaptation”
Data for: Selection on the joint action of pairs leads to divergent adaptation and coadaptation of care-giving parents during pre-hatching care
<p>The joint actions of animals in partnerships or social groups evolve under both natural selection, from the wider environment, and social selection, imposed by other members of the pair or group. We used experimental evolution to investigate how jointly expressed actions evolve upon exposure to a new environmental challenge. Our work focused on the evolution of carrion nest preparation by pairs of burying beetles <em>Nicrophorus vespilloides</em>, a joint activity undertaken by the pair but typically led by the male. In previous work, we found that carrion nest preparation evolved to be faster in experimental populations without post-hatching care (No Care lines) than with post-hatching care (Full Care lines). Here we investigate how this joint activity evolved. After 15 generations of experimental evolution, we created heterotypic pairs (No Care females with Full Care males, and No Care males with Full Care females) and compared their carrion nest making with homotypic No Care and Full Care pairs. We found that pairs with No Care males prepared the nest more rapidly than pairs with Full Care males, regardless of the female's line of origin. We discuss how social coadaptations within pairs or groups could act as a post-mating barrier to gene flow.</p>
Data for: Selection on the joint action of pairs leads to divergent adaptation and coadaptation of care-giving parents during pre-hatching care
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Pervasive mitonuclear coadaptation underlies fast development in interpopulation hybrids of a marine crustacean
<p>Cellular energy production requires coordinated interactions between genetic components from the nuclear and mitochondrial genomes. This coordination results in coadaptation of interacting elements within populations. Interbreeding between divergent gene pools can disrupt coadapted loci and result in hybrid fitness breakdown. While specific incompatible loci have been detected in mutiple eukaryotic taxa, the extent of the nuclear genome that is influenced by mitonuclear coadaptation is not clear in any species. Here, we used F<sub>2</sub> hybrids between two divergent populations of the copepod <em>Tigriopus californicus</em> to examine mitonuclear coadaptation across the nuclear genome. Using developmental rate as a measure of fitness, we fount that fast-developing copepods had higher ATP synthesis capacity than slow developers, suggesting variation in developmental rates is at least partly associated with mitochondrial dysfunction. Using Pool-seq, we detected strong biases for maternal alleles across 7 (of 12) chomosomes in both reciprocal crosses in high-fitness hybrids, while low-fitness hybrids showed shifts towards the paternal population. Comparison with previous results on a different hybrid cross revealed largely different patterns of strong mitonuclear coadaptation associated with developmental rate. Our findings suggest that functional coadaptation between interacting nuclear and mitochondrial components is reflected in strong polygenic effects on this life-history phenotype, and reveal that molecular coadaptation follows independent evolutionary trajectories among isolated populations.</p>
Coadaptation of coexisting plants enhances productivity in an agricultural system
<p>Data set for the study <strong>Coadaptation of coexisting plants enhances productivity in an agricultural system</strong></p>
Coadaptation shapes ecological interactions in mixotroph-resource systems
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Pervasive mitonuclear coadaptation underlies fast development in interpopulation hybrids of a marine crustacean
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Data from: A novel, enigmatic basal leafflower moth lineage pollinating a derived leafflower host illustrates the dynamics of host shifts, partner replacement, and apparent coadaptation in intimate mutualisms
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Data and scripts from: Exploratory analysis of multi-trait coadaptations in the light of population history
<p><span>During the process of range expansion, populations encounter a variety of environments. They respond to the local environments by modifying their mutually interacting traits. Common approaches of landscape analysis include first focusing on the genes that undergo diversifying selection or directional selection in response to environmental variation. To understand the whole history of populations, it is ideal to capture the history of their range expansion with reference to the series of surrounding environments and to infer the multi-trait coadaptation. To this end, we propose a complementary approach; it is an exploratory analysis using up-to-date methods that integrates population genetic features and features of selection on multiple traits. First, we conduct correspondence analysis of site frequency spectra, traits and environments with auxiliary information of population-specific fixation index (FST). This visualizes the structure and the ages of populations and helps infer the history of range expansion, encountered environmental changes and selection on multiple traits. Next, we further investigate the inferred history using an admixture graph that describes the population split and admixture. Finally, principal component analysis of the </span><span>selection on edge-by-trait (SET) matrix identifies multi-trait coadaptation and the associated edges of the admixture graph. We introduce a newly defined factor loadings of environmental variables in order to identify the environmental factors that caused the coadaptation. A numerical simulation of one-dimensional stepping-stone population expansion showed that the exploratory analysis reconstructed the pattern of the environmental selection that was missed by analysis of individual traits. Analysis of a public dataset of natural populations of black cottonwood in northwestern America identified the first principal component (PC) coadaptation of photosynthesis- vs growth-related traits responding to the geographical clines of temperature and daylength. The second PC coadaptation of volume-related traits suggested that soil condition was a limiting factor for above-ground environmental selection.</span></p>
Data from: Flexible communication within bird families-the consequences of behavioural plasticity for parent-offspring coadaptation
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Data and scripts from: Exploratory analysis of multi-trait coadaptations in the light of population history
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Data from: No evidence for sibling or parent-offspring coadaptation in a wild population of blue tits, despite high power.
Parent and offspring behaviours are expected to act as both the agents and targets of selection. This may generate parent-offspring coadaptation in which parent and offspring behaviours become genetically correlated in a way that increases inclusive fitness. Cross-fostering has been used to study parent-offspring coadaptation, with the prediction that offspring raised by non-relatives, or parents raising non-relatives, should suffer fitness costs. Using long-term data from more than 400 partially crossed broods of blue tits (Cyanistes caeruleus) we show there is no difference in mass or survival between crossed and non-crossed chicks. However, previous studies for which the evidence for parent-offspring coadaptation is strongest compare chicks from fully crossed broods with those from non-crossed broods. When parent-offspring coadaptation acts at the level of the brood then partial cross-fostering experiments are not expected to show evidence of coadaptation. To test this, we performed an additional cross-fostering experiment (163 broods) in which clutches were either fully crossed, non-crossed, or partiallycrossed. In agreement with the long-term data, there was no evidence for parent-offspring coadaptationon offspring fitness depsite high power. In addition there was no evidence of effects on parental fitness, nor evidnce of sibling coadaptation, although the power of these tests was more modest.
Data from: Coadapted genomes and selection on hybrids: Fisher's geometric model explains a variety of empirical patterns
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Data from: No evidence for sibling or parent-offspring coadaptation in a wild population of blue tits, despite high power.
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