Evolutionary consequences of pesticide exposure include transgenerational plasticity and potential terminal investment transgenerational effects

Transgenerational plasticity, the influence of the environment experienced by parents on the phenotype and fitness of subsequent generations, is being increasingly recognized. Human‐altered environments, such as those resulting from the increasing use of pesticides, may be major drivers of such cros...

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Bibliographic Details
Published in:Evolution 2022-11, Vol.76 (11), p.2649-2668
Main Authors: Veronica, Castano‐Sanz, Ivan, Gomez‐Mestre, Francisco, Garcia‐Gonzalez
Format: Article
Language:English
Subjects:
Animal reproduction
Animals
Biological Evolution
Breeding success
Callosobruchus maculatus
Coleoptera - genetics
Ecological effects
epigenetics
Evolution
Exposure
Fecundity
Female
Fitness
Humans
Insects
Life history
Longevity
Male
nongenetic inheritance
Parents
Paternal effects
Perturbation
Pesticides
Pesticides - toxicity
pesticide‐induced transgenerational effects
Phenotype
Phenotypes
Plastic properties
Plasticity
Population dynamics
Reproduction
Reproduction - physiology
Reproductive fitness
Sex
sex‐specific transgenerational effects
terminal investment transgenerational effects
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Summary:Transgenerational plasticity, the influence of the environment experienced by parents on the phenotype and fitness of subsequent generations, is being increasingly recognized. Human‐altered environments, such as those resulting from the increasing use of pesticides, may be major drivers of such cross‐generational influences, which in turn may have profound evolutionary and ecological repercussions. Most of these consequences are, however, unknown. Whether transgenerational plasticity elicited by pesticide exposure is common, and the consequences of its potential carryover effects on fitness and population dynamics, remains to be determined. Here, we investigate whether exposure of parents to a common pesticide elicits intra‐, inter‐, and transgenerational responses (in F0, F1, and F2 generations) in life history (fecundity, longevity, and lifetime reproductive success), in an insect model system, the seed beetle Callosobruchus maculatus. We also assessed sex specificity of the effects. We found sex‐specific and hormetic intergenerational and transgenerational effects on longevity and lifetime reproductive success, manifested both in the form of maternal and paternal effects. In addition, the transgenerational effects via mothers detected in this study are consistent with a new concept: terminal investment transgenerational effects. Such effects could underlie cross‐generational responses to environmental perturbation. Our results indicate that pesticide exposure leads to unanticipated effects on population dynamics and have far‐reaching ecological and evolutionary implications.
ISSN:0014-3820
1558-5646
DOI:10.1111/evo.14613