In one aspect, the endogenous PUFA PKS system has been modified by mutagenesis of a nucleic acid sequence that encodes {HEAD ~ at least one domain} of {TAIL ~ the endogenous PUFA PKS system} 
of
In one aspect , the endogenous PUFA PKS system has been modified by mutagenesis of a nucleic acid sequence that encodes { HEAD ~ at least one domain } of { TAIL ~ the endogenous PUFA PKS system }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL