AI Article Synopsis
- Schinus essential oils were analyzed using advanced techniques (GC×GC/TOFMS) and found to contain more compounds than expected, with 86, 72, and 88 components identified in three different Schinus species.
- All tested essential oil amounts negatively impacted the germination and growth of Arabidopsis thaliana, affecting germination rate, speed, and root/shoot length.
- The phytotoxic effects appear to be due to cellular damage rather than stress-related gene activation, as no changes were detected in the expression of specific genes linked to stress response.
Article Abstract
Schinus essential oils were tentatively identified by GC×GC/TOFMS, which revealed a greater number of compounds than previously reported. Eighty-six, seventy-two, and eighty-eight components were identified in Schinus lentiscifolius, Schinus molle and Schinus terebinthifolius essential oils, respectively. Compound separation due to D selectivity was observed. Phytotoxic effects of Schinus essential oils were assessed on germination and initial growth of Arabidopsis thaliana. All essential oils in all tested quantities (5 μL, 10 μL, 15 μL, 20 μL, and 25 μL) affected germination rate, speed of accumulated germination, and root and shoot length of A. thaliana. Considering the mode of action of the essential oils, no differences were observed on expression of the genes ANP1 and CDK B1;1 in A. thaliana, which was analyzed by RT-qPCR. Results suggest that phytotoxic effects of Schinus essential oils seem to be explained by cellular damage rather than by induction of stress-inducible genes.
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| http://dx.doi.org/10.1002/cbdv.202200541 | DOI Listing |
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