The vector is {TAIL ~ preferably bacteria}, more preferably {HEAD ~ non tumor} inducing Agrobacterium 
The vector is { TAIL ~ preferably bacteria } , more preferably { HEAD ~ non tumor } inducing Agrobacterium
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH