file name	comparison	
group_mechanical_lysis__none_none__none.txt	ML_1, ML_2 vs PBS_1, PBS_2	
RNAse_rnase_none.txt	MLT1_1, MLT1_2, MLS7_1, MLS7_2 vs ML_1, ML_2, PBS_1, PBS_2 	
Rnase_type_T1_S7.txt	MLT1_1, MLT1_2 vs MLS7_1, MLS7_2	

group is the combination of lysis_method and RNAse