Suitable bacteria to use as {HEAD ~ hosts} for {TAIL ~ genetic modification} include any bacterial strain as discussed above 
for
Suitable bacteria to use as { HEAD ~ hosts } for { TAIL ~ genetic modification } include any bacterial strain as discussed above
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH