Fig. 4.
7-HT biosynthesis and inhibition of V. dahliae. a Gene cluster for 7-HT (Jiang et al. 2016). b, c Absorption spectra of 7-HT production and phenotypes in zone of inhibition assay using 7-HT extraction from the supernatant of 22G5 culture in MKB media with or without FeSO4. d Growth trace of wild type 22G5 (22G5) and orf12 mutant (Δorf12) (displayed by OD600, left y-axis) and its corresponding 7-HT production (displayed by OD330, right y-axis). e, f Absorption spectra of 7-HT production and phenotypes in zone of inhibition assay in wild type 22G5 (22G5) and orf12 mutant (Δorf12)