دورية أكاديمية
Hyfraxinic Acid, a Phytotoxic Tetrasubstituted Octanoic Acid, Produced by the Ash (Fraxinus excelsior L.) Pathogen Hymenoscyphus fraxineus Together with Viridiol and Some of Its Analogues
| العنوان: | Hyfraxinic Acid, a Phytotoxic Tetrasubstituted Octanoic Acid, Produced by the Ash (Fraxinus excelsior L.) Pathogen Hymenoscyphus fraxineus Together with Viridiol and Some of Its Analogues |
|---|---|
| المؤلفون: | Masi M., Di Lecce R., Tuzi A., Linaldeddu B. T., Montecchio L., Maddau L., Evidente A. |
| المساهمون: | Masi M., Di Lecce R., Tuzi A., Linaldeddu B.T., Montecchio L., Maddau L., Evidente A. |
| سنة النشر: | 2019 |
| المجموعة: | IRIS Università degli Studi di Bologna (CRIS - Current Research Information System) |
| مصطلحات موضوعية: | ash dieback, demethoxyviridiol, hyfraxinic acid, Hymenoscyphus fraxineu, phytotoxin, viridiol |
| الوصف: | A new tetrasubstituted octanoic acid, named hyfraxinic acid (1), was isolated together with known 1-deoxyviridiol (2), viridiol (3), nodulisporiviridin M (4), and demethoxyviridiol (5) from the organic extract of Hymenoscyphus fraxineus responsible for ash (Fraxinus excelsior L.) dieback in Europe. Hyfraxinic acid (1) was characterized, using spectroscopic methods, as 2,4-dihydroxy-7-methyl-6-methyleneoctanoic acid. Furthermore, the advanced Mosher method was used to determine the absolute configuration (3R) of 1-deoxyviridiol. Nodulisporiviridin M (4) was isolated for the first time from H. fraxineus. The phytotoxicity of each compound was tested by a leaf puncture assay on Celtis australis L., Quercus suber L., Hedera elix L., Juglans regia L., and Fraxinus angustifolia L. leaves. Compounds 1, 3, and 5 exhibited remarkable phytotoxicity on all plants tested, inducing necrotic lesions at concentrations of 1.0 and 0.5 mg/mL, while compounds 2 and 4 were found to be inactive in this bioassay. These results could contribute to a deeper understanding of the pathogenicity of H. fraxineus. |
| نوع الوثيقة: | article in journal/newspaper |
| وصف الملف: | ELETTRONICO |
| اللغة: | English |
| العلاقة: | info:eu-repo/semantics/altIdentifier/wos/WOS:000502687300027; volume:67; issue:49; firstpage:13617; lastpage:13623; numberofpages:7; journal:JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY; https://hdl.handle.net/11585/958242Test; info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85075661696 |
| DOI: | 10.1021/acs.jafc.9b06055 |
| الإتاحة: | https://doi.org/10.1021/acs.jafc.9b06055Test https://hdl.handle.net/11585/958242Test |
| رقم الانضمام: | edsbas.1EBA2ABD |
| قاعدة البيانات: | BASE |
| DOI: | 10.1021/acs.jafc.9b06055 |
|---|