+---COMP:V-N(In)---+          +----COMP:N-N(of)---+          
       |         +SUBJ:V-N+--OBJ:V-N-+           +MOD_ATT+          
       |         |        |          |           |       |          
 In __SP__ , __NODE__ decreases expression of __SP__ __NODE__ gene .
COMP:V-N(In) (decrease,__SP__)
SUBJ:V-N (decrease,__NODE__)
OBJ:V-N (decrease,expression)
COMP:N-N(of) (expression,__NODE__)
MOD_ATT:N-ADJ (__NODE__,__SP__)