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. 2023 Jan 23;14:1078100. doi: 10.3389/fpls.2023.1078100

Figure 9.

Figure 9

OSUB18 root drench treatment increased the JA and JA-related gene expression levels in A thaliana after the fungal pathogen B cinerea infection. (A) Free SA level. (B) Conjugated SA (SAG) level. (C) Relative gene expression of PR1. (D) Relative gene expression of SID2. (E) Free JA level. (F) Conjugated JA level. (G) Relative gene expression of PDF1.2. (H) Relative gene expression of COI1. Water or OSUB18-drenched plants were infected with B cinerea by spore inoculation. 0 or 24 hours later, the injected leaves were collected for phytohormone quantification and qRT-PCR assay. The UBQ10 gene was used as an internal reference in the qRT-PCR assay. Data present mean ± SE of three biological replicates. Data with * indicate a p-value < 0.05 on Student’s t-test.