Differential localization of two acid proteinases in germinating barley (Hordeum vulgare) seed [Cysteine proteinase, Aspartic proteinase]

cell structure embriones vegetales endosperm endosperma endosperme estructura celular gene expression germination hordeum vulgare immunological techniques plant embryos proteasas protease proteases racine roots stems structure cellulaire tallo technique immunologique tige ultraestructura ultrastructure