Inheritance of protein amounts: comparison of two-dimensional electrophoresis patterns of leaf sheaths of two maize lines (Zea maysL.) and their hybrids

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Abstract
Summary: Denatured total proteins of two maize lines and their reciprocal F1hybrids were analysed by two-dimensional electrophoresis. Quantitative (spot more or less intense) and qualitative (presence or absence of spots) differences exist between the lines, and correspond to 11% of the total reproducible spots. Non-additive effects on spot intensities were found in the hybrids, which display spots similar to the more intense parental spot for 11% of varying spots. This may correspond todominance for regulatory systemscontrolling the protein amounts. Such interactions contrast with additivity classically described for enzymes or DNA.