Expression of defense signaling genes in the potato-Verticillium dahliae interaction
| dc.contributor.author | Derksen, Holly | |
| dc.contributor.examiningcommittee | Gulden, Rob (Plant Science) McCallum, Brent (Biological Sciences) | en_US |
| dc.contributor.supervisor | Daayf, Fouad (Plant Science) | en_US |
| dc.date.accessioned | 2011-08-25T17:58:48Z | |
| dc.date.available | 2011-08-25T17:58:48Z | |
| dc.date.issued | 2011-08-25 | |
| dc.degree.discipline | Plant Science | en_US |
| dc.degree.level | Master of Science (M.Sc.) | en_US |
| dc.description.abstract | Verticillium dahliae Kleb. causes Verticillium wilt in potato (Solanum tuberosum L.). Hormone signaling pathways are known to play a role in plant defense reactions. A gene expression analysis was performed on a susceptible and a moderately resistant (MR) cultivar of potato after inoculation with either a highly aggressive (HA) or a weakly aggressive (WA) isolate of V. dahliae. Genes related to the salicylic acid (SA), jasmonic acid/ethylene (JA/ET), and abscisic acid (ABA) pathways showed higher expression in the MR cultivar than the susceptible cultivar indicating that they may contribute to resistance. Additionally, a number of genes showed a delayed reaction in the susceptible cultivar and only in plants inoculated with the HA isolate of the pathogen. This trend was observed in genes related to the SA and JA/ET pathways. Overall, this research indicates that more than one hormone signaling pathway may contribute to the defense against V. dahliae by potato. | en_US |
| dc.description.note | October 2011 | en_US |
| dc.identifier.uri | http://hdl.handle.net/1993/4776 | |
| dc.language.iso | eng | en_US |
| dc.rights | open access | en_US |
| dc.subject | potato | en_US |
| dc.subject | Verticillium | en_US |
| dc.subject | phytohormone | en_US |
| dc.title | Expression of defense signaling genes in the potato-Verticillium dahliae interaction | en_US |
| dc.type | master thesis | en_US |