High-level expression of Actin of Paeonia lactiflora in Escherichia coli THE EFFECT OF DROUGHT STRESS UPON PROTEIN COMPONENT IN LEAVES OF BETULA PLATYPHYLLA SEEDLINGS Renovation of ROP GTPase in Young Seedlings of Wheats by He-Ne Laser under Enhanced UV-B Radiation Electrophoresis separation and MS analysis of proteins in fermentation broth of Poria cocos