| Autor: |
Pellet, DM, Papernik, LA, Jones, DL, Darrah, PR, Grunes, DL, Kochian, LV |
| Rok vydání: |
2016 |
| Předmět: |
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| Popis: |
The goal of this study was to determine if Al-chelators other than malate are released from root apices and are involved in Al-tolerance in different wheat (Triticum aestivum L.) genotypes. Also we wanted to establish if root exudates contribute to increases in rhizosphere pH around the root tip. In seedlings of Al-tolerant Atlas, we have documented a constitutive phosphate exudation from the root apex. Because phosphate can complex Al and bind protons, it could play an important role in Al tolerance, both via complexation of Al3+ and by contributing to the alkalinization of rhizosphere pH observed at the apex of Atlas. This study suggests that in wheat, Al-tolerance can be mediated by multiple exclusion mechanisms controlled by different genes. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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