Feb 27, 2015 · Volatile analysis of Col-0 roots and abds mutants after 24 h of 100 μM JA treatment is shown. No DMNT was detected from abds mutants. Volatile products were analyzed in the yeast culture or plant tissue headspace by SPME-GC/MS. The retention time for DMNT is marked with a dashed line. (C) Arabidiol detection from Arabidopsis roots.