Armstrong, Anna F; Wardlaw, kristen D; Atkin, Owen
We examined the effect of manipulating photosystem II (PSII) redox poise on respiratory flux in leaves of Arabidopsis thaliana. Measurements were made on wild-type (WT) plants and npq4 mutant plants deficient in non-photochemical quenching (NPQ). Two experiments were carried out. In the first experiment, WT and mutant warm-grown plants were exposed to three different irradiance regimes [75, 150 and 300 μmol photosynthetically active radiation (PAR)], and leaf dark respiration was measured in...[Show more]
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