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| Content Provider | Springer Nature Link |
|---|---|
| Author | Nakane, Eiichi Kawakita, Kazuhito Doke, riyuki Yoshioka, Hirofumi |
| Copyright Year | 2003 |
| Abstract | Exposure of potato tuber tissues to Phytophthora infestans, the late blight pathogen, elicits multiple defense responses, including an oxidative burst, accumulation of phenylpropanoid compounds, and sesquiterpenoid phytoalexins (lubimin and rishitin), which are accompanied by de novo synthesis of the enzymes that produce them. These reactions are also induced in potato tubers treated with a crude elicitor (hyphal wall components, or HWC) prepared from the mycelia of the pathogen. Differential hybridization was used to identify elicitor-responsive cDNAs from potato tubers. Database searches revealed that these genes appear to encode tyramine hydroxycinnamoyl transferase, arginine decarboxylase, glucose 6-phosphate dehydrogenase, 3-deoxy-d-arabino-heptulosonate 7-phosphate synthase, NADP-dependent malic enzyme, pyruvate decarboxylase, and other potential defense components. RNA gel blot analyses indicated that the accumulation of transcripts related to both secondary and primary metabolism was induced by the HWC elicitor, arachidonic acid or salicylic acid. This suggests that the signals from the pathogen activate not only secondary metabolism but also the primary metabolism that supports the rapid expression of defense responses in potato tubers. |
| Starting Page | 378 |
| Ending Page | 384 |
| Page Count | 7 |
| File Format | |
| ISSN | 13452630 |
| Journal | Journal of General Plant Pathology |
| Volume Number | 69 |
| Issue Number | 6 |
| e-ISSN | 1610739X |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2003-12-18 |
| Publisher Place | Tokyo |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Active oxygen species Differential hybridization Oxidative burst Late blight Phytophthora infestans Solanum tuberosum |
| Content Type | Text |
| Resource Type | Article |
| Subject | Plant Science Agronomy and Crop Science |
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