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Consistent paternity skew through ontogeny in Peron's tree frog (Litoria peronii)

Sherman, Craig D. H., Wapstra, Erik and Olsson, Mats 2009, Consistent paternity skew through ontogeny in Peron's tree frog (Litoria peronii), PLo S one, vol. 4, no. 12, Article number: e8252, pp. 1-4, doi: 10.1371/journal.pone.0008252.

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Title Consistent paternity skew through ontogeny in Peron's tree frog (Litoria peronii)
Formatted title Consistent paternity skew through ontogeny in Peron's tree frog (Litoria peronii)
Author(s) Sherman, Craig D. H.ORCID iD for Sherman, Craig D. H. orcid.org/0000-0003-2099-0462
Wapstra, Erik
Olsson, Mats
Journal name PLo S one
Volume number 4
Issue number 12
Season Article number: e8252
Start page 1
End page 4
Total pages 4
Publisher Public Library of Science
Place of publication San Francisco, Calif.
Publication date 2009
ISSN 1932-6203
Summary Background
A large number of studies in postcopulatory sexual selection use paternity success as a proxy for fertilization success. However, selective mortality during embryonic development can lead to skews in paternity in situations of polyandry and sperm competition. Thus, when assessment of paternity fails to incorporate mortality skews during early ontogeny, this may interfere with correct interpretation of results and subsequent evolutionary inference. In a previous series of in vitro sperm competition experiments with amphibians (Litoria peronii), we showed skewed paternity patterns towards males more genetically similar to the female.

Methodology/Principal Findings
Here we use in vitro fertilizations and sperm competition trials to test if this pattern of paternity of fully developed tadpoles reflects patterns of paternity at fertilization and if paternity skews changes during embryonic development. We show that there is no selective mortality through ontogeny and that patterns of paternity of hatched tadpoles reflects success of competing males in sperm competition at fertilization.

Conclusions/Significance
While this study shows that previous inferences of fertilization success from paternity data are valid for this species, rigorous testing of these assumptions is required to ensure that differential embryonic mortality does not confound estimations of true fertilization success.
Language eng
DOI 10.1371/journal.pone.0008252
Field of Research 060803 Animal Developmental and Reproductive Biology
060411 Population, Ecological and Evolutionary Genetics
Socio Economic Objective 970106 Expanding Knowledge in the Biological Sciences
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2009, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30024143

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.