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ORIGINAL ARTICLE doi:10.1111/j.1558-5646.2007.00016.x
 

Summary: ORIGINAL ARTICLE
doi:10.1111/j.1558-5646.2007.00016.x
TEMPERATURE-SPECIFIC OUTCOMES OF
CYTOPLASMIC-NUCLEAR INTERACTIONS
ON EGG-TO-ADULT DEVELOPMENT TIME
IN SEED BEETLES
Damian K. Dowling,1,2
Katia Ch´avez Abiega,1
and G ¨oran Arnqvist1
1Animal Ecology/Department of Ecology and Evolution, Evolutionary Biology Centre
Uppsala University, Norbyv¨agen 18D, SE-752 36 Uppsala, Sweden
2E-mail: damian.dowling@ebc.uu.se
Received March 23, 2006
Accepted October 1, 2006
The integration of the mitochondrial and nuclear genomes coordinates cellular energy production and is fundamental to life among
eukaryotes. Therefore, there is potential for strong selection to shape the interactions between the two genomes. Several studies
have now demonstrated that epistatic interactions between cytoplasmic and nuclear genes for fitness can occur both at a "within"
and "across" population level. Genotype-by-environment interactions are common for traits that are encoded by nuclear genes,
but the effects of environmental heterogeneity on traits that are partly encoded by cytoplasmic genes have received little attention
despite the fact that there are reasons to believe that phenotypic effects of cytoplasmic genetic variation may often be environ-

  

Source: Arnqvist, Göran - Department of Animal Ecology, Uppsala Universitet
Dowling, Damian - School of Biological Sciences, Monash University

 

Collections: Biology and Medicine; Environmental Sciences and Ecology