refactoring to include explicit graph obj
refactoring to include explicit graph obj

trinityrnaseq/trinityrnaseq,trinityrnaseq/trinityrnaseq,trinityrnaseq/trinityrnaseq,trinityrnaseq/trinityrnaseq,trinityrnaseq/trinityrnaseq,trinityrnaseq/trinityrnaseq,trinityrnaseq/trinityrnaseq