Informace o publikaci
Elicitins: Key Molecules in Plant - Pathogen Interactions
| Autoři | |
|---|---|
| Rok publikování | 2014 |
| Druh | Článek v odborném periodiku |
| Časopis / Zdroj | CHEMICKÉ LISTY |
| Fakulta / Pracoviště MU | |
| Citace | |
| Obor | Biochemie |
| Klíčová slova | SYSTEMIC ACQUIRED-RESISTANCE; TOBACCO BY-2 CELLS; NITRIC-OXIDE; PHYTOPHTHORA-CRYPTOGEA; DEFENSE RESPONSES; PROTEINACEOUS ELICITOR; PLASMA-MEMBRANE; BETA-ELICITIN; HYPERSENSITIVE RESPONSE; DISEASE RESISTANCE |
| Popis | Elicitors, endogenous compounds produced by microbial pathogens, induce defence responses in plants. They rank among chemically nonuniform groups including proteins, glycoproteins, oligo-and polysaccharides and lipids. By multiple mechanisms, elicitors are capable of triggering various modes of plant defence like oxidative burst, hypersensitive response, increased expression of pathogenesis-related proteins and the production of antimicrobial compounds - phytoalexins. Elicitins, secreted by oomycetes from Phytophthora and Pythium spp., are small (10 kDa) protein elicitors structurally similar to lipid-transfer proteins of plant cells and behaving like sterol carrier proteins. In the host plant, elicitins induce a hypersensitive response and development of acquired systemic resistance to many microbial phytopathogens. The review summarizes the current knowledge of the molecular modes of elicitin interaction with plant cells, with a special emphasis on cryptogein as a model elicitin for potential application in the induction of systemic plant resistance. |
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