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. 2016 Oct 14;7:1598. doi: 10.3389/fmicb.2016.01598

Figure 4.

Figure 4

Effect of N starvation in genetic and metabolic responses in the SA, JA, and ABA hormonal signaling pathways upon infection during MIR. (A) Relative expression of marker genes of ABA, SA, and JA pathways. (B) Targeted analysis of hormones and levels of ABA, SA, JA, and OPDA in tomato plants. (BB) Non-mycorrhizal tomato plants, (BB AM) mycorrhizal tomato plants, (−N) plants subjected to 48 h of nitrogen depletion and fungal inoculation at 72 hpi. Leaf material from 3 individual plants at was pooled for each treatment combination. Different letters indicate statistically significant differences (ANOVA, Fisher's Least Significant Difference (LSD) test; P < 0.05, n = 6).