▁control ▁the ▁formation ▁of ▁som atic ▁emb ry os ▁have ▁been ▁found ▁and ▁include ▁ext rac ell ular ▁prote ins , ▁ara bin og al act an ▁prote ins ▁and ▁li po ch it ool igos ac char ides . ▁Tem per ature ▁and ▁light ing ▁can ▁also ▁affect ▁the ▁m atur ation ▁of ▁the ▁som atic ▁emb ry o . ▁ ▁App lications ▁ ▁App lications ▁of ▁this ▁process ▁include : ▁cl onal ▁propag ation ▁of ▁gen et ically ▁uniform ▁plant ▁material ; ▁elim ination ▁of ▁vir uses ; ▁provision ▁of ▁source ▁t issue ▁for ▁gen etic ▁transformation ; ▁generation ▁of ▁whole ▁plants ▁from ▁single ▁cells ▁called ▁pro top last s ; ▁development ▁of ▁synth etic ▁seed ▁technology . ▁ ▁Us es ▁of ▁som atic ▁emb ry ogen esis ▁ ▁Plant ▁transformations ▁Mass ▁propag ation ▁ ▁Forest ry ▁related ▁example ▁▁ ▁The ▁development ▁of ▁som atic ▁emb ry ogen esis ▁procedures ▁has ▁given ▁rise ▁to ▁research ▁on ▁seed ▁storage ▁prote ins ▁( SS P s ) ▁of ▁wo ody ▁plants ▁for ▁tree ▁species ▁of ▁commercial ▁importance , ▁i . e ., ▁mainly ▁g ymn os per ms , ▁including ▁white ▁spr uce . ▁In ▁this ▁area ▁of ▁study , ▁S SP s ▁are ▁used ▁as ▁markers ▁to ▁determine ▁the ▁emb ry ogen ic ▁potential ▁and ▁compet ency ▁of ▁the ▁emb ry ogen ic ▁system ▁to ▁produce ▁a ▁som atic ▁emb ry o ▁bio chem ically ▁similar ▁to ▁its ▁z yg otic ▁counter part ▁( F lin n ▁et ▁al . ▁ 1