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Originally published as Genetics Published Articles Ahead of Print on November 10, 2008.
Genetics, Vol. 181, 347-351, January 2009, Copyright © 2009
doi:10.1534/genetics.108.095679
Complex Epistasis for Dobzhansky–Muller Hybrid Incompatibility in Solanum
Leonie C. Moyle1 and Takuya Nakazato2
Department of Biology, Indiana University, Bloomington, Indiana 47405
1 Corresponding author: Department of Biology, Indiana University, 1001 E. Third St., Bloomington, IN.
E-mail: lmoyle{at}indiana.edu
We examined the prevalence of interactions between pairs of short chromosomal regions from one species (Solanum habrochaites) co-introgressed into a heterospecific genetic background (Solanum lycopersicum). Of 105 double introgression line (DIL) families generated from a complete diallele combination of 15 chromosomal segments, 39 (
38%) showed evidence for complex epistasis in the form of genotypic and/or allelic marker transmission distortion in DIL F2 populations.
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