Claim · model-written summary
RcSE1 overexpression increased ursolic acid content 2.86 times in T2 Arabidopsis plants.
- Taxon
- Arabidopsis thaliana
Arabidopsis thalianae0 - Organ / stage
- T2 generatione0
- Treatment
- overexpression of RcSE1e0
- Interactor
- S.exigua
Spodoptera exiguae0herbivore - Gene
- RcSE1e0
- Outcome
- ursolic acide0
- Direction
- increasese0
- Value
- 2.86 timese0
Not reportedMaterialCompoundSecond interactorSecond interactor roleComparatorSettingQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The transgenic Arabidopsis thaliana plants with overexpression of RcSE1 showed significant increases in the contents of the S.exigua -resistant triterpenoids, including maslinic acid by 46.87 times, betulonic acid by 8.12 times, ganoderic acid B by 1.07 times, and ursolic acid by 2.86 times in the T2 generation”
Title
Qiuyu Zhao; Bing Hu; Guiyan Chen; et al. Scientia Horticulturae 2026. doi:10.1016/j.scienta.2026.114751
Other claims from this paper (11)
- Intervention effect Podosphaera pannosa infection upregulated LOC112173431 in rose leaves 29.1-fold versus controls.
- Intervention effect Podosphaera pannosa infection upregulated LOC112174075 in rose leaves 46.8-fold versus controls.
- Mechanism Conserved domains were identified as critical for squalene binding and catalytic activity.
- Observation Molecular docking identified VAL67 and TYR78 as residues involved in substrate interaction.
- Observation Heterologously expressed RcSE1 showed enzymatic activity of 15.43 IU/L.
- Intervention effect RcSE1 overexpression in Saccharomyces cerevisiae reduced squalene accumulation by 45%.
- Intervention effect RcSE1 overexpression in Saccharomyces cerevisiae increased sterol contents.
- Intervention effect RcSE1 overexpression increased maslinic acid content 46.87 times in T2 Arabidopsis plants.
- Intervention effect RcSE1 overexpression increased betulonic acid content 8.12 times in T2 Arabidopsis plants.
- Intervention effect RcSE1 overexpression increased ganoderic acid B content 1.07 times in T2 Arabidopsis plants.
- Mechanism The authors infer that RcSE1 directly activates a pathway critical for insect resistance without mildew infection or hormone signals.