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Increase of secondary metabolites in sweet basil (Ocimum basilicum L.) leaves by exposure to N2O5 with plasma technology
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Increase of secondary metabolites in sweet basil (Ocimum basilicum L.) leaves by exposure to N2O5 with plasma technology
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Journal Article
Increase of secondary metabolites in sweet basil (Ocimum basilicum L.) leaves by exposure to N2O5 with plasma technology
2024
Overview
Exposure to N
2
O
5
generated by plasma technology activates immunity in Arabidopsis through tryptophan metabolites. However, little is known about the effects of N
2
O
5
exposure on other plant species. Sweet basil synthesizes many valuable secondary metabolites in its leaves. Therefore, metabolomic analyses were performed at three different exposure levels [9.7 (Ex1), 19.4 (Ex2) and 29.1 (Ex3) μmol] to assess the effects of N
2
O
5
on basil leaves. As a result, cinnamaldehyde and phenolic acids increased with increasing doses. Certain flavonoids, columbianetin, and caryophyllene oxide increased with lower Ex1 exposure, cineole and methyl eugenol increased with moderate Ex2 exposure and
l
-glutathione GSH also increased with higher Ex3 exposure. Furthermore, gene expression analysis by quantitative RT-PCR showed that certain genes involved in the syntheses of secondary metabolites and jasmonic acid were significantly up-regulated early after N
2
O
5
exposure. These results suggest that N
2
O
5
exposure increases several valuable secondary metabolites in sweet basil leaves via plant defense responses in a controllable system.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
Subject
