Institute of Cytology and Genetics, Lavrentieva 10, Novosibirsk 630090, Russia. ak@bionet.nsc.ru|Institute of Cytology and Genetics, Lavrentieva 10, Novosibirsk 630090, Russia. ak@bionet.nsc.ru|Institute of Cytology and Genetics, Lavrentieva 10, Novosibirsk 630090, Russia. ak@bionet.nsc.ru|Institute of Cytology and Genetics, Lavrentieva 10, Novosibirsk 630090, Russia. ak@bionet.nsc.ru|Institute of Cytology and Genetics, Lavrentieva 10, Novosibirsk 630090, Russia. ak@bionet.nsc.ru|Institute of Cytology and Genetics, Lavrentieva 10, Novosibirsk 630090, Russia. ak@bionet.nsc.ru