Occurrence and operation of the glycollate--glyoxylate shuttle in mitochondria of Euglena gracilis Z
- PMID: 118746
- PMCID: PMC1161693
- DOI: 10.1042/bj1840189
Occurrence and operation of the glycollate--glyoxylate shuttle in mitochondria of Euglena gracilis Z
Abstract
Both glyoxylate reductase (NADP+) and glycollate dehydrogenase were located exclusively in mitochondria in Euglena gracilis and constitute the glycollate--glyoxylate shuttle, whose existence in higher plants was thought doubtful, owing to different subcellular locations of the two enzymes. Disrupted Euglena mitochondria showed a glycollate-dependent NADPH oxidation, indicating actual operation of the shuttle in this protozoon.
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