Intergenerational effects of ocean temperature variation: Early life benefits are short-lived in threespine stickleback DOI Creative Commons
Helen Spence‐Jones,

Carla M. Pein,

Lisa N S Shama

et al.

PLoS ONE, Journal Year: 2024, Volume and Issue: 19(8), P. e0307030 - e0307030

Published: Aug. 2, 2024

Current climate change models predict an increase in temperature variability and extreme events such as heatwaves, organisms need to cope with consequent changes environmental variation. Non-genetic inheritance mechanisms can enable parental generations prime their offspring’s abilities acclimate change–but they may also be deleterious. When parents are exposed predictable environments, intergenerational plasticity lead better offspring trait performance matching environments. Alternatively, variable or unpredictable environments use plastic bet-hedging strategies adjust the phenotypic variance among offspring. Here, we used a model species, threespine stickleback ( Gasterosteus aculeatus ), test whether putatively adaptive effects occur response shifts variation well mean, employ increasing We full-factorial, split-clutch experiment three regimes: constant, natural variation, increased show that within-generation exposure reduces growth of offspring, but having were during gametogenesis offset some early-life negative effects. However, these mitigating do not appear persist later life. found no indication mothers plastically altered (egg size clutch size) lower inter-individual juvenile fish morphology imply presence conservative populations. Overall, our experiment, had limited on fitness-related traits. Natural levels promoted potentially early life development, under more challenging conditions associated effect was lost.

Language: Английский

Intergenerational effects of ocean temperature variation: Early life benefits are short-lived in threespine stickleback DOI Creative Commons
Helen Spence‐Jones,

Carla M. Pein,

Lisa N S Shama

et al.

PLoS ONE, Journal Year: 2024, Volume and Issue: 19(8), P. e0307030 - e0307030

Published: Aug. 2, 2024

Current climate change models predict an increase in temperature variability and extreme events such as heatwaves, organisms need to cope with consequent changes environmental variation. Non-genetic inheritance mechanisms can enable parental generations prime their offspring’s abilities acclimate change–but they may also be deleterious. When parents are exposed predictable environments, intergenerational plasticity lead better offspring trait performance matching environments. Alternatively, variable or unpredictable environments use plastic bet-hedging strategies adjust the phenotypic variance among offspring. Here, we used a model species, threespine stickleback ( Gasterosteus aculeatus ), test whether putatively adaptive effects occur response shifts variation well mean, employ increasing We full-factorial, split-clutch experiment three regimes: constant, natural variation, increased show that within-generation exposure reduces growth of offspring, but having were during gametogenesis offset some early-life negative effects. However, these mitigating do not appear persist later life. found no indication mothers plastically altered (egg size clutch size) lower inter-individual juvenile fish morphology imply presence conservative populations. Overall, our experiment, had limited on fitness-related traits. Natural levels promoted potentially early life development, under more challenging conditions associated effect was lost.

Language: Английский

Citations

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