The invention generally relates to polyunsaturated fatty acid polyketide synthase systems, to homologues thereof, to isolated nucleic acid molecules and recombinant nucleic acid molecules encoding biologically active domains of such a PUFA PKS system, to genetically modified organisms comprising PUFA PKS systems, to methods of making and using {TAIL ~ such systems} for the production of {HEAD ~ bioactive molecules} of interest, and to novel methods for identifying new bacterial and non bacterial microorganisms having such a PUFA PKS system 
The invention generally relates to polyunsaturated fatty acid polyketide synthase systems , to homologues thereof , to isolated nucleic acid molecules and recombinant nucleic acid molecules encoding biologically active domains of such a PUFA PKS system , to genetically modified organisms comprising PUFA PKS systems , to methods of making and using { TAIL ~ such systems } for the production of { HEAD ~ bioactive molecules } of interest , and to novel methods for identifying new bacterial and non bacterial microorganisms having such a PUFA PKS system
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