V.P. Rozhkov - Ph.D. (Biol.), Senior Research Scientist, I.M. Sechenov Institute of Evolutionary Biochemistry and Physiology of Russain Academy of Sciences (St.-Petersburg). E-mail: vlrozhkov@mail.ru S.S. Bekshaev - Ph.D. (Biol.), Senior Research Scientist, I.M.Sechenov Institute of Evolutionary Biochemistry and Physiology of Russain Academy of Sciences (St.-Petersburg). E-mail: beks47@yandex.ru S.I. Soroko - Corresponding-member of RAS, Dr.Sc. (Med.), Professor, Head of Laboratory of Comparative Ecological and Physiological Studies of I.M.Sechenov Institute of Evolutionary Biochemistry and Physiology of Russain Academy of Sciences (St.-Petersburg). E-mail: soroko@iephb.ru