Institute of Cytology and Genetics, pr.Lavrentyeva 10, 630090, Novosibirsk, Russia. kel@bionet.nsc.ru|Institute of Cytology and Genetics, pr.Lavrentyeva 10, 630090, Novosibirsk, Russia. kel@bionet.nsc.ru|Institute of Cytology and Genetics, pr.Lavrentyeva 10, 630090, Novosibirsk, Russia. kel@bionet.nsc.ru|Institute of Cytology and Genetics, pr.Lavrentyeva 10, 630090, Novosibirsk, Russia. kel@bionet.nsc.ru|Institute of Cytology and Genetics, pr.Lavrentyeva 10, 630090, Novosibirsk, Russia. kel@bionet.nsc.ru