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pubmed:abstractText |
1. The synthesis of [U-14C]hexadecanedionoyl-mono-CoA is described. 2. The beta-oxidation of [U-14C]hexadecanedionoyl-mono-CoA by purified rat liver peroxisomes and mitochondria is demonstrated. 3. The products of mitochondrial beta-oxidation of [U-14C]hexadecanedionoyl-mono-CoA include ketone bodies, citrate and acetylcarnitine. 4. Tetradecadionoyl-mono-CoA, hexadec-2-enedionyl-mono-CoA and hexadionoyl-mono-CoA were the only detectable intermediates formed by mitochondrial beta-oxidation, whereas acetyl-CoA and all saturated even-numbered intermediates of chain length C6-C16 were generated by peroxisomal beta-oxidation. 5. Hexadecanedionoyl-mono-CoA and hexadecanoyl-CoA were equally effective substrates for peroxisomal beta-oxidation, but hexadecanedionoyl-mono-CoA was a relatively poorer substrate for the mitochondrial pathway.
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