A 13-LOX participates in the biosynthesis of JAs and is related to the accumulation of baicalein and wogonin in Scutellaria baicalensis

Copyright © 2023 Geng, Wang, Zhang, Lu, Dong, Liu, Guo and Wang..

Although baicalein and wogonin contents in Scutellaria baicalensis, a traditional Chinese herb, are known to be regulated by jasmonic acid, the exact mechanism by which jasmonic acid regulates the accumulation of baicalein and wogonin remains unclear. In this study, we discovered SbLOX3, a gene encoding 13-lipoxygenase from the roots of S. baicalensis, which plays an important role in the biosynthesis of jasmonic acid. The contents of methyl jasmonate, baicalin, wogonin, and three metabolic intermediates of methyl jasmonate, 13-HPOT, OPDA, and OPC-8, were downregulated in the hair roots of the SbLOX3 RNAi lines. We confirmed that SbLOX3 was induced by drought stress simulated by PEG and Fusarium oxysporum, which subsequently led to changes in the content of MeJA, baicalin, and wogonin. Taken together, our results indicate that a 13-LOX is involved in the biosynthesis of jasmonic acid, and regulates the accumulation of baicalein and wogonin in S. baicalensis roots.

Medienart:

E-Artikel

Erscheinungsjahr:

2023

Erschienen:

2023

Enthalten in:

Zur Gesamtaufnahme - volume:14

Enthalten in:

Frontiers in plant science - 14(2023) vom: 26., Seite 1204616

Sprache:

Englisch

Beteiligte Personen:

Geng, Dali [VerfasserIn]
Wang, Rongyu [VerfasserIn]
Zhang, Ya [VerfasserIn]
Lu, Heng [VerfasserIn]
Dong, Hongjing [VerfasserIn]
Liu, Wei [VerfasserIn]
Guo, Lanping [VerfasserIn]
Wang, Xiao [VerfasserIn]

Links:

Volltext

Themen:

13-LOX
Baicalein
Biosynthesis of JAs
Journal Article
Scutellaria baicalensis
Wogonin

Anmerkungen:

Date Revised 01.08.2023

published: Electronic-eCollection

Citation Status PubMed-not-MEDLINE

doi:

10.3389/fpls.2023.1204616

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM360217729