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

Abstract

SummaryDenatured 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.