As of 1 April 2026, the PSJD database will become an archive and will no longer accept new data. Current publications from Polish scientific journals are available through the Library of Science: https://bibliotekanauki.pl
A great progress in the higher plants transformation methodology has been observed. It includes the following events: increasing efficiency, development of new markers which are ecologically acceptable, transformation of new monocotyledonous species using A. tumefaciens 'supervectors', control of recombination site.