2022
DOI: 10.3389/fpls.2022.835160
|View full text |Cite
|
Sign up to set email alerts
|

Structure Elucidation and Biosynthesis of Orobanchol

Abstract: Strigolactones (SLs), a class of phytohormones that regulate diverse developmental processes, were initially characterized as host-derived germination stimulants for seeds belonging to the genera Striga, Orobanche, and Phelipanche. Orobanchol (1), which is detected in the root exudates of several plants and recognized as a prevalent SL, was first isolated from the root exudates of red clover as a germination stimulant for Orobanche minor in 1998. However, the structure of this stimulant proposed at that time w… Show more

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...
2
1
1
1

Citation Types

1
5
0

Year Published

2022
2022
2024
2024

Publication Types

Select...
6
2

Relationship

1
7

Authors

Journals

citations
Cited by 16 publications
(6 citation statements)
references
References 40 publications
1
5
0
Order By: Relevance
“…Solanacol was reported to be effective in inducing germination of P. ramosa seeds ( Xie et al., 2007 ). These novel SLs induced germination of root parasitic weeds and showed potent germination-inducing activity for P. ramose similar to that of solanacol, but weak activity for S. hermonthica ( Figure 4 ), which was consistent with the finding that orobanchol-type SLs showed weak germination-inducing activity for S. hermonthica ( Ueno et al., 2011 ; Nomura et al., 2013 ; Wakabayashi et al., 2022 ). Root parasitic weeds are likely to use these SLs as germination stimulants in the tomato rhizosphere.…”
Section: Discussionsupporting
confidence: 86%
“…Solanacol was reported to be effective in inducing germination of P. ramosa seeds ( Xie et al., 2007 ). These novel SLs induced germination of root parasitic weeds and showed potent germination-inducing activity for P. ramose similar to that of solanacol, but weak activity for S. hermonthica ( Figure 4 ), which was consistent with the finding that orobanchol-type SLs showed weak germination-inducing activity for S. hermonthica ( Ueno et al., 2011 ; Nomura et al., 2013 ; Wakabayashi et al., 2022 ). Root parasitic weeds are likely to use these SLs as germination stimulants in the tomato rhizosphere.…”
Section: Discussionsupporting
confidence: 86%
“…S4 ). The precursor of orobanchol is thought to be 18-oxocarlactonoic acid (18-oxo-CLA) ( Wakabayashi et al. 2022 ), and it was possible that a portion of 18-oxo-CLA was artificially cyclized in the ion source of the LC-MS/MS used in this study.…”
Section: Resultsmentioning
confidence: 99%
“…To produce orobanchol, two possible biosynthesis pathways were identified. Firstly, an indirect pathway observed in rice, OsCYP711A2/Os900 catalyzes the conversion of CLA to 4-deoxyorobanchol (4DO), which be converted to Orobanchol by OsCYP711A3/Os1400 [ 51 ]. Secondly, a direct pathway by the conversion of CLA to orobanchol by CYP722C as demonstrated in cowpea (VuCYP722C) and tomato (SlCYP722C) [ 70 ] ( Fig 7A ).…”
Section: Discussionmentioning
confidence: 99%
“…Regarding the orobanchol proteins, we focused on germination stimulants. This choice was guided by previous observations showing that O. foetida seeds failed to germinate in the presence of the resistant host, leading us to specifically investigate genes related to the orobanchol pathway [51]. The proteins list used for this analysis is represented in the supplementary materials (S1 and S2 Tables).…”
Section: Functional Annotation Of Unigenesmentioning
confidence: 99%
See 1 more Smart Citation