Effect of CO(2) Concentration on Glycine and Serine Formation during Photorespiration.


Amount and products of photosynthesis during 10 minutes were measured at different (14)CO(2) concentrations in air. With tobacco (Nicotiana tabacum L. cv. Maryland Mammoth) leaves the percentage of (14)C in glycine plus serine was highest (42%) at 0.005% CO(2), and decreased with increasing CO(2) concentration to 7% of the total at 1% CO(2) in air. However… (More)