Cosuppression of {HEAD ~ an endogenous gene} using {TAIL ~ a full length cDNA sequence} as well as a partial cDNA sequence are known  
Cosuppression of { HEAD ~ an endogenous gene } using { TAIL ~ a full length cDNA sequence } as well as a partial cDNA sequence are known
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH