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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Ghribi, Dhouha Triki, Mohamed Ali Azabou, Manel Cheffi Mnif, Ines Hammami, Ines Ellouze-Chaabouni, Semia |
| Description | Country affiliation: Tunisia Author Affiliation: Mnif I ( Unit 'Enzymes and Bioconversion', National School of Engineers of Sfax, University of Sfax, Sfax, Tunisia. inesmnif2011@gmail.com.); Hammami I ( Higher Institute of Biotechnology of Sfax, University of Sfax, Sfax, Tunisia. inesmnif2011@gmail.com.); Triki MA ( Higher School of Agriculture of Kef, 7119, Kef, Tunisia.); Azabou MC ( Laboratory 'Amélioration et Protection des Ressources Génétiques de l'Olivier', Sfax BP1087, Institut of Olivier, IRESA - University of Sfax, Sfax, Tunisia.); Ellouze-Chaabouni S ( Laboratory 'Amélioration et Protection des Ressources Génétiques de l'Olivier', Sfax BP1087, Institut of Olivier, IRESA - University of Sfax, Sfax, Tunisia.); Ghribi D ( Unit 'Enzymes and Bioconversion', National School of Engineers of Sfax, University of Sfax, Sfax, Tunisia.) |
| Abstract | Bacillus subtilis SPB1 lipopeptides were evaluated as a natural antifungal agent against Fusarium solani infestation. In vitro antifungal assay showed a minimal inhibitory concentration of about 3 mg/ml with a fungicidal mode of action. In fact, treatment of F. solani by SPB1 lipopeptides generated excessive lyses of the mycelium and caused polynucleation and destruction of the related spores together with a total inhibition of spore production. Furthermore, an inhibition of germination potency accompanied with a high spore blowing was observed. Moreover, in order to be applied in agricultural field, in vivo antifungal activity was proved against the dry rot potato tubers caused by F. solani. Preventive treatment appeared as the most promising as after 20 days of fungi inoculation, rot invasion was reduced by almost 78 %, in comparison to that of non-treated one. When treating infected tomato plants, disease symptoms were reduced by almost 100 % when applying the curative method. Results of this study are very promising as it enables the use of the crude lipopeptide preparation of B. subtilis SPB1 as a potent natural fungicide that could effectively control the infection of F. solani in tomato and potato tubers at a concentration similar to the commercial fungicide hymexazol and therefore prevent the damage of olive tree. |
| ISSN | 09441344 |
| Issue Number | 22 |
| Volume Number | 22 |
| e-ISSN | 16147499 |
| Journal | Environmental Science and Pollution Research |
| Language | English |
| Publisher | Springer |
| Publisher Date | 2015-11-01 |
| Publisher Place | Germany |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Antifungal Agents Pharmacology Bacillus Subtilis Chemistry Fusarium Drug Effects Lipopeptides Surface-active Agents Isolation & Purification Metabolism Plant Tubers Microbiology Journal Article Research Support, Non-u.s. Gov't Discipline Environmental Science Discipline Environmental Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Health, Toxicology and Mutagenesis Pollution Medicine |
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