Hydrophobized laminarans as new biocompatible anti-oomycete compounds for grapevine protection
| العنوان: | Hydrophobized laminarans as new biocompatible anti-oomycete compounds for grapevine protection |
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| المؤلفون: | Annick Chiltz, Sophie Trouvelot, Franck Paris, Vincent Ferrieres, Manon Jubien, Grégory Lecollinet, Jean-Marie Joubert, Jonathan Negrel, Xavier Daire, Marielle Adrian, Laurent Legentil, Marie-Claire Héloir |
| المساهمون: | Institut des Sciences Chimiques de Rennes (ISCR), Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie du CNRS (INC)-Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Ecole Nationale Supérieure de Chimie de Rennes (ENSCR)-Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Institut National des Sciences Appliquées (INSA), GOEMAR, Agroécologie [Dijon], Université de Bourgogne (UB)-Institut National de la Recherche Agronomique (INRA)-Université Bourgogne Franche-Comté [COMUE] (UBFC)-AgroSup Dijon - Institut National Supérieur des Sciences Agronomiques, de l'Alimentation et de l'Environnement, Region Bretagne, Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Ecole Nationale Supérieure de Chimie de Rennes-Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES), Institut National de la Recherche Agronomique (INRA)-Université de Bourgogne (UB)-AgroSup Dijon - Institut National Supérieur des Sciences Agronomiques, de l'Alimentation et de l'Environnement-Université Bourgogne Franche-Comté [COMUE] (UBFC), Université de Rennes (UR)-Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Ecole Nationale Supérieure de Chimie de Rennes (ENSCR)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS) |
| المصدر: | Carbohydrate Polymers Carbohydrate Polymers, Elsevier, 2019, 225, pp.115224. ⟨10.1016/j.carbpol.2019.115224⟩ Carbohydrate Polymers, 2019, 225, pp.115224. ⟨10.1016/j.carbpol.2019.115224⟩ |
| سنة النشر: | 2019 |
| مصطلحات موضوعية: | Polymers and Plastics, Acylation, Context (language use), 02 engineering and technology, 010402 general chemistry, 01 natural sciences, Sulfation, Anti-Infective Agents, Laminaran, Materials Chemistry, Plant defense against herbivory, [CHIM]Chemical Sciences, Vitis, Glucans, Disease Resistance, Plant Diseases, biology, Chemistry, Organic Chemistry, food and beverages, Induced resistance, 021001 nanoscience & nanotechnology, biology.organism_classification, Antimicrobial, 0104 chemical sciences, Elicitor, Biochemistry, Oomycetes, Plasmopara viticola, beta-(1 -> 3)-Glucans, Downy mildew, Grapevine, Laminaria, 0210 nano-technology, β-(1→3)-Glucans |
| الوصف: | International audience; Laminaran, a beta-(1 -> 3)-glucan extracted from Laminaria digitata, is a known elicitor of plant defenses, but provides only low level of disease control in vineyard trials. In this context, laminaran was partly hydrophobized by grafting from 1.6 to 7.6 lauryl chains to the native saccharidic chain and the impact of sulfation of the hydrophobized glucans was studied. The activity of the different synthesized laminaran derivatives as antimicrobial agents against Plasmopara viticola, the causal agent of grape downy mildew, and as elicitors of defense reactions in planta, was evaluated. Our results showed that acylation imparts an antimicrobial activity to laminaran which is related to the degree of acylation, AL3, with 7.6 lauryl chains, being the most effective derivative. Sulfation of the acylated laminarans did not further increase the antimicrobial activity. Our results also demonstrated that the efficacy of AL3 against Plasmopara viticola was most likely due to the direct antimicrobial activity of the lauryl chains rather than to an elicitation of plant defenses. |
| تدمد: | 1879-1344 0144-8617 |
| الوصول الحر: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6cd3ff0008978de6ab4992e1eb89ce06Test https://pubmed.ncbi.nlm.nih.gov/31521294Test |
| حقوق: | OPEN |
| رقم الانضمام: | edsair.doi.dedup.....6cd3ff0008978de6ab4992e1eb89ce06 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 18791344 01448617 |
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