Table I.

Initial rates of FAS in leaves of Arabidopsis wild type and fatb-ko measured by different radiolabeled substrates

SubstrateWild Typeafatb-koaIncreaseb
3H2O2,800 ± 1303,880 ± 14039%
14CO242 ± 264 ± 352%
14C-Acetate78 ± 2102 ± 231%
  • a Units are in nmol of 3H or 14C h−1 mg−1 chlorophyll incorporated into fatty acids.

  • b Percent increase in the rate of FAS of fatb-ko versus wild type.