scholarly journals Interacting phenotypes and the coevolutionary process: Interspecific indirect genetic effects alter coevolutionary dynamics

Evolution ◽  
2022 ◽  
Author(s):  
Stephen P. De Lisle ◽  
Daniel I. Bolnick ◽  
Edmund D. Brodie ◽  
Allen J. Moore ◽  
Joel W. McGlothlin
Keyword(s):  
Genetic Effects ◽  
Indirect Genetic Effects ◽  
Interacting Phenotypes

scholarly journals Interacting Phenotypes and the Coevolutionary Process

2021 ◽  
Author(s):  
Stephen P. De Lisle ◽  
Daniel I. Bolnick ◽  
Edmund D. Brodie ◽  
Allen J. Moore ◽  
Joel W. McGlothlin
Keyword(s):  
Social Evolution ◽  
Interspecific Interactions ◽  
Genetic Effects ◽  
Evolutionary Change ◽  
Species Selection ◽  
Direct Selection ◽  
Geographic Mosaic ◽  
Reciprocal Interactions ◽  
Indirect Genetic Effects ◽  
Interacting Phenotypes

AbstractCoevolution occurs when species interact to influence one another’s fitness, resulting in reciprocal evolutionary change. In many coevolving lineages, trait expression in one species is modified by the genotypes and phenotypes of the other, forming feedback loops reminiscent of models of intraspecific social evolution. Here, we adapt the theory of within-species social evolution, characterized by indirect genetic effects and social selection imposed by interacting individuals, to the case of interspecific interactions. In a trait-based model, we derive general expressions for multivariate evolutionary change in two species and the expected between-species covariance in evolutionary change across a selection mosaic. We show that reciprocal interspecific indirect genetic effects can dominate the coevolutionary process and drive patterns of correlated evolution beyond what is expected from direct selection alone. In extreme cases, interspecific indirect genetic effects can lead to coevolution when selection does not covary between species or even when one species lacks genetic variance. Moreover, our model indicates that interspecific indirect genetic effects may interact in complex ways with cross-species selection to determine the course of coevolution. Importantly, our model makes empirically testable predictions for how different forms of reciprocal interactions contribute to the coevolutionary process and influence the geographic mosaic of coevolution.

scholarly journals Belowground interactions shift the relative importance of direct and indirect genetic effects

2013 ◽  
Vol 3 (6) ◽  
pp. 1692-1701 ◽  
Author(s):  
Mark A. Genung ◽  
Joseph K. Bailey ◽  
Jennifer A. Schweitzer
Keyword(s):  
Genetic Effects ◽  
Relative Importance ◽  
Indirect Genetic Effects ◽  
Belowground Interactions

scholarly journals Indirect Genetic Effects and Housing Conditions in Relation to Aggressive Behaviour in Pigs

PLoS ONE ◽  
2013 ◽  
Vol 8 (6) ◽  
pp. e65136 ◽  
Author(s):  
Irene Camerlink ◽  
Simon P. Turner ◽  
Piter Bijma ◽  
J. Elizabeth Bolhuis
Keyword(s):  
Aggressive Behaviour ◽  
Genetic Effects ◽  
Housing Conditions ◽  
Indirect Genetic Effects

scholarly journals Evaluating indirect genetic effects of siblings using singletons

2021 ◽  
Author(s):  
Laurence Howe ◽  
David Evans ◽  
Gibran Hemani ◽  
George Davey Smith ◽  
Neil Martin Davies
Keyword(s):  
Genetic Variation ◽  
Educational Attainment ◽  
Family Environment ◽  
Phenotypic Variation ◽  
Molecular Genetic ◽  
Genetic Effects ◽  
Polygenic Risk Score ◽  
Indirect Genetic Effects ◽  
Molecular Genetic Evidence ◽  
Older Siblings

Estimating effects of parental and sibling genotypes (indirect genetic effects) can provide insight into how the family environment influences phenotypic variation. There is growing molecular genetic evidence for effects of parental phenotypes on their offspring (e.g. parental educational attainment), but the extent to which siblings affect each other is currently unclear.Here we used data from samples of unrelated individuals, without (singletons) and with biological full-siblings (non-singletons), to investigate and estimate sibling effects. Indirect genetic effects of siblings increase (or decrease) the covariance between genetic variation and a phenotype. It follows that differences in genetic association estimates between singletons and non-singletons could indicate indirect genetic effects of siblings.We used UK Biobank data to estimate polygenic risk score (PRS) associations for height, BMI and educational attainment in singletons (N = 50,143) and non-singletons (N = 328,549). The educational attainment PRS association estimate was 12% larger (95% C.I. 3%, 21%) in the non-singleton sample than in the singleton sample, but the height and BMI PRS associations were consistent. Birth order data suggested that the difference in educational attainment PRS associations was driven by individuals with older siblings rather than firstborns. The relationship between number of siblings and educational attainment PRS associations was non-linear; PRS associations were 24% smaller in individuals with 6 or more siblings compared to the rest of the sample (95% C.I. 11%, 38%). We estimate that a 1 SD increase in sibling educational attainment PRS corresponds to a 0.025 year increase in the index individual’s years in schooling (95% C.I. 0.013, 0.036).Our results suggest that older siblings influence the educational attainment of younger siblings, adding to the growing evidence that effects of the environment on phenotypic variation partially reflect social effects of germline genetic variation in relatives.

scholarly journals Indirect Genetic Effects for Growth in Pigs Affect Behaviour and Weight Around Weaning

2018 ◽  
Vol 48 (5) ◽  
pp. 413-420 ◽  
Author(s):  
Irene Camerlink ◽  
Winanda W. Ursinus ◽  
Andrea C. Bartels ◽  
Piter Bijma ◽  
J. Elizabeth Bolhuis
Keyword(s):  
Genetic Effects ◽  
Indirect Genetic Effects

scholarly journals Models with indirect genetic effects depending on group sizes: a simulation study assessing the precision of the estimates of the dilution parameter

2019 ◽  
Vol 51 (1) ◽  
Author(s):  
Marzieh Heidaritabar ◽  
Piter Bijma ◽  
Luc Janss ◽  
Chiara Bortoluzzi ◽  
Hanne M. Nielsen ◽  
...  
Keyword(s):  
Simulation Study ◽  
Genetic Effects ◽  
Indirect Genetic Effects
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