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Effect of manganese toxicity on the proteome of the leaf apoplast in cowpea (Vigna unguiculata)
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| Name (native language): | Physiologische, proteomische und genomische Charakterisierung von Mangan-Toxizität und Mangan-Gewebetoleranz bei Cowpea (Vigna unguiculata) |
| Coordinating organisation: | Institute of Plant Nutrition |
| Description: | Excess manganese (Mn) supply causes formation of visible brown depositions in the cell wall of leaves of cowpea (Vigna unguiculata), which consist of oxidized Mn and oxidized phenols. Since oxidation of Mn and phenolic compounds in the leaf apoplast was proposed to be catalysed by apoplastic peroxidases, induction of these enzymes by Mn excess was investigated. Indeed, peroxidase activity increased upon prolonged Mn treatment in the leaf tissue. Simultaneously, a significant increase in the concentration of soluble apoplastic proteins in “apoplastic washing fluid” (AWF) was observed. |
| Internet: | Projects Link |
| Species: | cowpea |
| Categories | |
| ARD-theme: | plant nutrition |
| Commodity: | legume |
| Activity: | research |
| Registered related items | |
| Donor organisations: | 1 |
| Programmes funding: | 1 |
| Last editing: | 2006-06-04 16:04:15 |