Clutch quality is related to embryonic development duration, hatchling body size and telomere length in the spined toad ( Bufo spinosus ) - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Biological Journal of the Linnean Society Année : 2021

Clutch quality is related to embryonic development duration, hatchling body size and telomere length in the spined toad ( Bufo spinosus )

Résumé

Reproductive success is often related to parental quality, a parameter expressed through various traits, such as site selection, mate selection and energetic investment in the eggs or progeny. Owing to the complex interactions between environmental and parental characteristics occurring at various stages of the reproductive event, it is often complicated to tease apart the relative contributions of these different factors to reproductive success. Study systems where these complex interactions are simplified (e.g. absence of parental care) can help us to understand how metrics of parental quality (e.g. gamete and egg quality) influence reproductive success. Using such a study system in a common garden experiment, we investigated the relationships between clutch hatching success (a proxy of clutch quality) and offspring quality in an amphibian species lacking post-oviposition parental care. We found a relationship between clutch quality and embryonic development duration and hatchling phenotype. We found that hatchling telomere length was linked to hatching success. These results suggest that clutch quality is linked to early life traits in larval amphibians and that deciphering the influence of parental traits on the patterns we detected is a promising avenue of research.
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Dates et versions

hal-03184371 , version 1 (29-03-2021)

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Marion Cheron, Frédéric Angelier, Cécile Ribout, François Brischoux. Clutch quality is related to embryonic development duration, hatchling body size and telomere length in the spined toad ( Bufo spinosus ). Biological Journal of the Linnean Society, 2021, 133 (1), pp.135-142. ⟨10.1093/biolinnean/blab035⟩. ⟨hal-03184371⟩
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