Article (Scientific journals)
Anti-phytopathogen terpenoid glycosides from the root bark of Chytranthus macrobotrys and Radlkofera calodendron
Petit, Bastien; Mitaine-Offer, Anne-Claire; Fischer, Jochen et al.
2021In Phytochemistry, 188, p. 112797
Peer Reviewed verified by ORBi
 

Files


Full Text
1-s2.0-S0031942221001461-main.pdf
Publisher postprint (2.15 MB)
Request a copy

All documents in ORBi are protected by a user license.

Send to



Details



Keywords :
Antimicrobials; Chytranthus macrobotrys; Esca disease; Farnesyl glycosides; Radlkofera calodendron; Sapindaceae; Triterpene saponins; Xylella fastidiosa
Abstract :
[en] Chytranthus macrobotrys and Radlkofera calodendron are two Sapindaceae characterized by a lack of phytochemical data. Both root barks from the two Sapindaceae species were processed by ethanol extraction followed by the isolation of their primary constituents by liquid chromatography. This process yielded four previously undescribed terpenoid glycosides together with eight known analogues. Extracts and isolated compounds from C. macrobotrys and R. calodendron were then screened for antimicrobial activity against fifteen phytopathogens. The biological screening also involved extracts and pure compounds from Blighia unijugata and Blighia welwitschii, two Sapindaceae previously studied by our group. Phytopathogens were chosen based on their economic impact on agriculture worldwide. The selection was composed primarily of fungal species including; Pyricularia oryzae, Gaeumannomyces graminis var. tritici, Zymoseptoria tritici, Fusarium oxysporum, Botrytis cinerea, Pythium spp., Trichoderma spp. and Rhizoctonia solani. Furthermore, pure terpenoid glycosides were tested for the first time against wood-inhabiting phytopathogens such as; Phaeomoniella chlamydospora, Phaeoacremonium minimum, Fomitiporia mediterranea, Eutype lata and Xylella fastidiosa. Raw extracts exhibited different levels of activity dependent on the organism. Some pure compounds, including 3-O-α-L-arabinopyranosyl-(1 → 4)-β-D-xylopyranosyl-(1 → 3)-α-L-rhamnopyranosyl-(1 → 2)-α-L-arabinopyranosylhederagenin, 3-O-α-L-rhamnopyranosyl-(1 → 2)-α-L-arabinopyranosylhederagenin (α-hederin), 3-O-β-D-glucopyranosyl-(1 → 3)-α-L-rhamnopyranosyl-(1 → 2)-α-L-arabinopyranosylhederagenin (macranthoside A) and 3-O-α-L-arabinopyranosyl-(1 → 3)-α-L-rhamnopyranosyl-(1 → 2)-α-L-arabinopyranosylhederagenin (clemontanoside C), exhibited significant growth inhibitions on Pyricularia oryzae, Gaeumannomyces graminis var. tritici, Fomitiporia mediterranea and Zymoseptoria tritici. Monodesmoside triterpene saponins, in particular, exhibited MIC (IC100) values as low as 25 μg/ml and IC50 values as low as 10 μg/ml against these phytopathogens. Structure-activity relationships, as well as plant-microbe interactions, were discussed.
Disciplines :
Pharmacy, pharmacology & toxicology
Author, co-author :
Petit, Bastien;  Université de Bourgogne Franche-Comté
Mitaine-Offer, Anne-Claire;  Université de Bourgogne Franche-Comté
Fischer, Jochen;  Institut für Biotechnologie und Wirkstoff-Forschung
Schüffler, Anja;  Institut für Biotechnologie und Wirkstoff-Forschung
Delaude, Clément ;  Université de Liège - ULiège > Institut de chimie
Miyamoto, Tomofumi;  Kyushu University
Tanaka, Chiaki;  Kyushu University
Thines, Eckhard;  Institut für Biotechnologie und Wirkstoff-Forschung
Lacaille-Dubois, Marie-Aleth;  Université de Bourgogne Franche-Comté
Language :
English
Title :
Anti-phytopathogen terpenoid glycosides from the root bark of Chytranthus macrobotrys and Radlkofera calodendron
Publication date :
2021
Journal title :
Phytochemistry
ISSN :
0031-9422
eISSN :
1873-3700
Publisher :
Elsevier, Netherlands
Volume :
188
Pages :
112797
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 05 January 2022

Statistics


Number of views
43 (2 by ULiège)
Number of downloads
1 (1 by ULiège)

Scopus citations®
 
3
Scopus citations®
without self-citations
2
OpenCitations
 
1
OpenAlex citations
 
3

Bibliography


Similar publications



Contact ORBi