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. 2009 Sep 14;423(Pt 1):15–22. doi: 10.1042/BJ20090826

Figure 3. Proposed role for GLYRs during stress.

Figure 3

The subcellular scheme relates recent and hypothetical information about GLYRs and NADKs to pyridine nucleotides and specific intermediates of the GABA and glycolate pathways. There is no consideration of stoichiometry in this scheme. Enzymes of the GABA and glycolate pathways, as well as photorespiratory nitrogen metabolism, are shown as orange, pink and brown balloons respectively. Enzymes associated with aldehyde detoxification and NADPH formation are shown as blue and turquoise balloons respectively. Components whose levels are probably elevated in response to stress are shown as yellow boxes, and potential diffusion pathways are shown as dotted lines. For further discussion and references, please see the text. FR, ferredoxin reductase; GGAT, glutamate:glyoxylate aminotransferase; GK, glycerate kinase; GO, glycolate oxidase; GOGAT, glutamate synthase; GS, glutamine synthetase; HPR, hydroxypyruvate reductase; PGP, phosphoglycolate phosphatase; SGAT, serine:glyoxylate aminotransferase; SHMT, serine hydroxymethyltransferase.