The Glyoxylate Cycle Permits Growth on a Two-Carbon Source

The Glyoxylate Cycle Permits Growth on a Two-Carbon Source 

Comparison of the glyoxylate cycle with the TCA cycle reveals that two of the five reactions of the glyoxylate cycle tire unique to this cycle, whereas the other three reactions are common to both cycles (fig. 13.13). In plant seedlings and many other eukaryotic organisms that possess this capability, the enzymes of the glyoxylate cycle are compartmentalized in specialized organelles called glyoxysomes. 

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The Amphibolic Nature of the TCA Cycle The Glyoxylate Cycle Permits Growth on a Two-Carbon Source... 

The glyoxylate cycle permits growth on a two-carbon source. The glyoxylate cycle bypasses the two steps of the TCA cycle in which C02 is released. Furthermore, two molecules of acetyl-CoA are taken in per turn of the cycle rather than just one, as in the TCA cycle. The net result is the conversion of two mole-... 

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