The distribution of the Lansing Effect across animal species

Author:

Ivimey-Cook Edward R1ORCID,Shorr Sarema2,Moorad Jacob A2ORCID

Affiliation:

1. Institute of Biodiversity, One Health and Veterinary Medicine, University of Glasgow , Glasgow , United Kingdom

2. Institute of Evolutionary Biology, School of Biological Sciences, University of Edinburgh , Edinburgh , United Kingdom

Abstract

AbstractMaternal senescence is the reduction in individual performance associated with increased maternal age at conception. When manifested on adult lifespan, this phenomenon is known as the “Lansing Effect.” Single-species studies report both maternal age-related increases and decreases in adult lifespan, but no comprehensive review of the literature has yet been undertaken to determine if the Lansing Effect is a widespread phenomenon. To address this knowledge gap, we performed a meta-analysis of maternal aging rates taken from all available published studies. We recovered 78 estimates from 22 studies representing 15 species. All studies taken together suggest a propensity for a Lansing Effect, with an estimated average effect of maternal age on offspring’s adult lifespan of between -17% and -22%, depending upon our specific choice of model. We failed to find a significant effect of animal class or insect order but given the oversampling of insect species in the published literature and the paucity of vertebrate studies, we infer that only rotifers and insects yet demonstrate a tendency toward expressing the phenomenon.

Publisher

Oxford University Press (OUP)

Subject

General Agricultural and Biological Sciences,Genetics,Ecology, Evolution, Behavior and Systematics

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