The invention additionally provides a method for producing acetyl CoA, for example, by culturing an acetyl CoA producing microbial organism, where {HEAD ~ the microbial organism} expresses {TAIL ~ at least one exogenous nucleic acid} encoding an acetyl CoA pathway enzyme or protein in a sufficient amount to produce acetyl CoA, under conditions and for a sufficient period of time to produce acetyl CoA 
The invention additionally provides a method for producing acetyl CoA , for example , by culturing an acetyl CoA producing microbial organism , where { HEAD ~ the microbial organism } expresses { TAIL ~ at least one exogenous nucleic acid } encoding an acetyl CoA pathway enzyme or protein in a sufficient amount to produce acetyl CoA , under conditions and for a sufficient period of time to produce acetyl CoA
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