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Fig. 6 | BMC Microbiology

Fig. 6

From: HpaXpm, a novel harpin of Xanthomonas phaseoli pv. manihotis, acts as an elicitor with high thermal stability, reduces disease, and promotes plant growth

Fig. 6

Effects of HpaXpm and B-HpaXpm on the growth of Arabidopsis. a Appearance of Arabidopsis roots grown on MS medium. Root growth represents the growth-promoting effect of each 10 μM protein solution on the seeds. b and c Quantification of root growth and fresh weight on MS medium at 10 dpt. Seeds were soaked in a HpaXpm, B-HpaXpm, Hp1Xoo, or PBS solution for 6 h before placing the seeds on 10 cm2 plates containing MS medium. The seeded plates were placed vertically in 24 °C chambers with a 14-h day: 10-h night cycle. Quantitative data are given as mean values ± SEM. Different lowercase letters above the bar graphs indicate significant differences in multiple comparisons of data from the different proteins; P < 0.05; n = 30 seeds from 3 independent experiments each involving 10 seeds

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