Publications

gypsophilin, a new type 1 ribosome-inactivating protein from gypsophila elegans: purification, enzymatic characterization, and subcellular localization.	gypsophila elegans contains a new type 1 ribosome-inactivating protein, which we named gypsophilin. the protein was purified to apparent homogeneity by (nh4)2so4 fractionation, ion-exchange chromatography, and adsorption chromatography. the protein was found to have a molecular mass of 28.0 kda and a pi of about 10.1. it does not contain glycosidic linkages. the sequence of the n-terminal 22 amino acids of the protein shows a close relationship to other rips. the enzyme strongly inhibits protein ...	1997	9058971
tailor-made composite functions as tools in model choice: the case of sigmoidal vs bi-linear growth profiles.	roots are the classical model system to study the organization and dynamics of organ growth zones. profiles of the velocity of root elements relative to the apex have generally been considered to be sigmoidal. however, recent high-resolution measurements have yielded bi-linear profiles, suggesting that sigmoidal profiles may be artifacts caused by insufficient spatio-temporal resolution. the decision whether an empirical velocity profile follows a sigmoidal or bi-linear distribution has conseque ...	2006	16749928