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Fig. 10 | BMC Plant Biology

Fig. 10

From: Iris lactea var. chinensis plant drought tolerance depends on the response of proline metabolism, transcription factors, transporters and the ROS-scavenging system

Fig. 10

a Gene expression of the proline and glutathione metabolism pathway and the response in Iris lactea var. chinensis under the treatment of normal watering (CK), water-stressed (T), and rehydration -treated (R). Metabolites detected shown in bold, solid lines represent one-step reactions, and dashed lines represent multi-step reactions. The abbreviations in boxes indicate enzymes catalyzing the reactions. The expression patterns of unigenes encoding these enzymes under drought stress and rehydration compared to the controlsare shown in the color boxes. The small boxes in the left, middle and right sides of each colored box indicate altered levels between T/CK, R/T and R/CK, respectively. Significantly altered expression (P-adjust < 0.05) is indicated by an asterisk in the boxes. Abbreviations for enzymes: ProDH: proline dehydrogenase; speE: spermidine synthase; ADC: Arginine decarboxylase. b Comparison of proline concentration in Iris lactea var. chinensis under normal watering (CK), water-stressed (T), and rehydration -treated (R) condition

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