publication . Other literature type . Article . 2016

The Expensive Germline and the Evolution of Ageing.

Alexei A. Maklakov; Simone Immler;
Open Access
  • Published: 01 Jul 2016
  • Publisher: Elsevier BV
Abstract
The trade-off between survival and reproduction is the bedrock of the evolutionary theory of ageing. The reproductive system regulates ageing of the soma, and removal of germ cells extends somatic lifespan and increases resistance to a broad variety of abiotic and biotic stresses. The general explanation for this somatic response is that reduced reproduction frees up resources for survival. Remarkably, however, the disruption of molecular signaling pathways that regulate ageing increases lifespan without the obligatory reduction in fecundity, thus challenging the key role of the survival–reproduction trade-off. Here, we review the diverse literature on the costs...
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