Sex determination in the fern Ceratopteris . Intracellular compartmentation and plant cell signaling. Physiology of ion transport across the tonoplast of higher plants. The metabolism and function of lamda-aminobutyric acid.
Plant responses to water deficit.
Legume lectins and nodulation by Rhizobium . Iron transport and storage in plants. Cytoskeletal organization and pollen tube growth. Mosses as model systems. Cell ablation and the analysis of plant development.