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| Content Provider | Springer Nature Link |
|---|---|
| Author | Chen, Xiaoqi Mou, Yanhua Ling, Junhong Wang, Nan Wang, Xiao Hu, Jiangchun |
| Copyright Year | 2014 |
| Abstract | Extracellular alkalinization and H$_{2}$O$_{2}$ production are important early events during induced systemic resistance (ISR) establishment in plants. In a screen for metabolites as potential ISR activators from 98 fungal isolates associated with marine sponge Hymeniacidon perleve, the crude metabolites of fungus Eupenicillium brefeldianum HMP-F96 induced significant extracellular alkalinization coupled with H$_{2}$O$_{2}$ production in tobacco cell suspensions. A combined bioactivity and $^{1}$H NMR-guided fractionation approach was used to disclose the chemical determinants responsible for the activities. Eight cyclic dipeptides were purified from the fermentation broth of the strain and were structurally characterized by NMR and MS experiments. This study represents the first report of the occurrence of cyclic dipeptides in E. brefeldianum and of their activities of inducing extracellular alkalinization and H$_{2}$O$_{2}$ production in tobacco cell suspensions. |
| Starting Page | 247 |
| Ending Page | 253 |
| Page Count | 7 |
| File Format | |
| ISSN | 09593993 |
| Journal | World Journal of Microbiology and Biotechnology |
| Volume Number | 31 |
| Issue Number | 1 |
| e-ISSN | 15730972 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2014-10-25 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Cyclic dipeptide Eupenicillium brefeldianum H$_{2}$O$_{2}$ production Oxidative burst Diketopiperazine Plant immune Applied Microbiology Biotechnology Biochemistry Environmental Engineering/Biotechnology Microbiology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physiology Medicine Applied Microbiology and Biotechnology Biotechnology |
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