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Male and female effects on fertilization success and offspring viability in the Peron's tree frog, Litoria peronii

Sherman, Craig D.H., Wapstra, Erik, Uller, Tobias and Olsson, Mats 2008, Male and female effects on fertilization success and offspring viability in the Peron's tree frog, Litoria peronii, Austral ecology, vol. 33, no. 3, pp. 348-352, doi: 10.1111/j.1442-9993.2007.01823.x.

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Title Male and female effects on fertilization success and offspring viability in the 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
Uller, Tobias
Olsson, Mats
Journal name Austral ecology
Volume number 33
Issue number 3
Start page 348
End page 352
Total pages 5
Publisher Wiley-Blackwell Publishing Asia
Place of publication Milton, Qld.
Publication date 2008-05
ISSN 1442-9985
1442-9993
Summary There is increasing theoretical and empirical evidence that genetic compatibility among partners is an important determinant of fertilization success and offspring viability. In amphibians, females often actively choose partners from among a variety of males and polyandry is common. Genetic compatibility among partners may therefore be an important determinant of fertilization success and offspring viability in some amphibians. Amphibians also show some of the highest levels of genetic differentiation among neighbouring populations known in vertebrates, and as such, populations may have evolved different co-adapted gene complexes. This means that offspring from among-population crosses may have reduced fitness. It is therefore essential to understand to what extent crossings between and within populations may interfere with successful fertilization and offspring viability. Here, we test whether crossing individuals within and between two different populations of the Australian Peron's tree frog (Litoria peronii) using artificial fertilizations affect fertilization success and offspring viability. Fertilization success per se is strongly influenced by male identity, which is likely to depend at least to some extent on the experimental procedure (e.g. resulting in variation in sperm number per ejaculate), whereas there was no fertilization effect of female identity. More importantly, male and female identity, independently of each other, explained significant variation in offspring viability, whereas no such effect could be linked to population of origin. Thus, our experiments suggest that crossing populations may not always be the most significant factor affecting fertilization success or offspring viability, but may be more influenced by the genetic quality or the genetic compatibility of partners.
Language eng
DOI 10.1111/j.1442-9993.2007.01823.x
Field of Research 060601 Animal Physiology - Biophysics
060203 Ecological Physiology
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2008, The Authors
Persistent URL http://hdl.handle.net/10536/DRO/DU:30024145

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