Department of Molecular Biology, Lomonosov Moscow State University, Vorobjevy Gory 1, Build, 12, 119992 Moscow, Russia. flegontov@list.ru <flegontov@list.ru>
We discuss here some results which suggest that radically different maxicircle classes coexist within the same kinetoplast. These data, although tentative and incomplete, may provide a new outlook on the kinetoplast genome structure and expression.