Alternatively, {HEAD ~ methods} may be employed to reduce or eliminate {TAIL ~ the bacterial RNA} without using RNase 
Alternatively , { HEAD ~ methods } may be employed to reduce or eliminate { TAIL ~ the bacterial RNA } without using RNase
OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH