No evidence for thermal transgenerational plasticity in metabolism when minimizing the potential for confounding effects.

ABSTRACT: Environmental change may cause phenotypic changes that are inherited across generations through transgenerational plasticity (TGP). If TGP is adaptive, offspring fitness increases with an increasing match between parent and offspring environment. Here we test for adaptive TGP in somatic growth and metabolic rate in response to temperature in the clonal zooplankton Daphnia pulex Animals of the first focal generation experienced thermal transgenerational 'mismatch' (parental and offspring temperatures differed), whereas conditions of the next two generations matched the (grand)maternal thermal conditions. Adjustments of metabolic rate occurred during the lifetime of the first generation (i.e. within-generation plasticity). However, no further change was observed during the subsequent two gen

SUBMITTER: Kielland ON 

PROVIDER: S-EPMC5247506 | biostudies-literature | 2017 Jan

REPOSITORIES: biostudies-literature