Über polykomplexartige Strukturen in den Kernen vonLupinus polyphyllus

In electron micrographs ofLupinus polyphyllus nuclei some of the chromocentres exhibit two distinct regions, a network-like (NR) and a banded one (GR). This heterogeneous type of chromocentres was observed in nearly all cells of vegetative and reproductive tissues (root, leaf primordium of the seedling, young and older foliage leaves, carpel, young and older ovules and pericarp), with the exception of pollen mother cells during the first meiotic division. Results of enzymatic digestion show that GR and NR mainly consist of DNA. These observations suggest that GR and the polycomplexes represent different nuclear phenomena.

Herrn Univ.-Prof. Dr.Walter Leinfellner zum 70. Geburtstag gewidmet.