Gene expression analyses in maize inbreds and hybrids with varying levels of heterosis |
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| Authors: | Robert M Stupar Jack M Gardiner Aaron G Oldre William J Haun Vicki L Chandler Nathan M Springer |
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| Affiliation: | (1) Center for Plant and Microbial Genomics, Department of Plant Biology, University of Minnesota, Saint Paul, MN 55108, USA;(2) Department of Plant Science, and BIO5 Institute, University of Arizona, Tucson, AZ 85721, USA;(3) Department of Agronomy and Plant Genetics, University of Minnesota, Saint Paul, MN 55108, USA |
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| Abstract: | Background Heterosis is the superior performance of F1 hybrid progeny relative to the parental phenotypes. Maize exhibits heterosis for a wide range of traits, however the magnitude of heterosis is highly variable depending on the choice of parents and the trait(s) measured. We have used expression profiling to determine whether the level, or types, of non-additive gene expression vary in maize hybrids with different levels of genetic diversity or heterosis. |
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