Cuphea lutea

The apparent ready reversibility of the reactions catalyzed by [ACP] acetyltransferase and [ACP] malonyltransferase is not suggestive that these enzymes are appropriate candidates for consideration as major regulatory enzyme systems (Walsh et al., 1990 Post-Beittenmiller et al., 1991). This conclusion is supported by the finding that [ACP] acetyltransferase showed very low specific activity in developing seeds of Cuphea lutea, rape and safflower (Shimakata and Stumpf, 1983). None the less under in vitro conditions, increased levels of [ACP] acetyltransferase enhances the synthesis of medium-chain fatty acids (Stumpf, 1989). This observation may only serve to emphasize the definite involvement of this enzyme system in fatty acid synthesis without implying that it is under major regulation. 

Table 2. Fatty acid composition of Cuphea lutea seeds.

S. S. Singh, T. Y. Nee and M. R. Poiiard, Acetate and mevalonate labeling studies with developing Cuphea lutea seeds, Lipids 21 143 (1986). 

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