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Inverse correlation between longevity and developmental rate among wild C. elegans strains.


ABSTRACT: Genetic studies using model organisms have shown that many long-lived mutants display impaired fitness, such as reduced fecundity and delayed development. However, in several wild animals, the association between longevity and fitness does not seem to be inevitable. Thus, the relationship between longevity and fitness in wild organisms remains inconclusive. Here, we determined the correlation between lifespan and fitness, developmental rate and brood size, by using 16 wild-derived C. elegans strains originated from various geographic areas. We found a negative correlation between lifespan and developmental rate. In contrast, we did not find such negative correlation between longevity and developmental rate among the individuals of C. elegans strains. These data imply that polymorphic genetic variants among wild isolates determine resource allocation to longevity and developmental rate.

SUBMITTER: Lee Y 

PROVIDER: S-EPMC4931849 | biostudies-other | 2016 May

REPOSITORIES: biostudies-other

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Inverse correlation between longevity and developmental rate among wild C. elegans strains.

Lee Yujin Y   Hwang Wooseon W   Jung Juyoung J   Park Sangsoon S   Cabatbat Josephine Jill T JJ   Kim Pan-Jun PJ   Lee Seung-Jae V SJ  

Aging 20160501 5


Genetic studies using model organisms have shown that many long-lived mutants display impaired fitness, such as reduced fecundity and delayed development. However, in several wild animals, the association between longevity and fitness does not seem to be inevitable. Thus, the relationship between longevity and fitness in wild organisms remains inconclusive. Here, we determined the correlation between lifespan and fitness, developmental rate and brood size, by using 16 wild-derived C. elegans str  ...[more]

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