التفاصيل البيبلوغرافية
| العنوان: |
The K + battery-regulating Arabidopsis K + channel AKT2 is under the control of multiple post-translational steps |
| المؤلفون: |
Sandmann, M, Sklodowski, K, Gajdanowicz, P, Michard, E, Rocha, M, Gomez-Porras, JL, Gonzalez, W, Correa, LGG, Ramirez-Aguilar, SJ, Cuin, TA, van Dongen, JT, Thibaud, J-B, Dreyer, I |
| بيانات النشر: |
Taylor & Francis Inc |
| سنة النشر: |
2011 |
| مصطلحات موضوعية: |
Biological Sciences, Plant Biology, Plant Physiology, envir, socio |
| الوصف: |
Potassium (K + ) is an important nutrient for plants. It serves as a cofactor of various enzymes and as the major inorganic solute maintaining plant cell turgor. In a recent study, an as yet unknown role of K + in plant homeostasis was shown. It was demonstrated that K + gradients in vascular tissues can serve as an energy source for phloem (re)loading processes and that the voltage-gated K + channels of the AKT2-type play a unique role in this process. The AKT2 channel can be converted by phosphorylation of specific serine residues (S210 and S329) into a non-rectifying channel that allows a rapid efflux of K + from the sieve element/companion cells (SE/CC) complex. The energy of this flux is used by other transporters for phloem (re)loading processes. Nonetheless, the results do indicate that post-translational modifications at S210 and S329 alone cannot explain AKT2 regulation. Here, we discuss the existence of multiple post-translational modification steps that work in concert to convert AKT2 from an inward-rectifying into a non-rectifying K + channel. |
| نوع الوثيقة: |
article in journal/newspaper |
| اللغة: |
English |
| Relation: |
https://doi.org/10.4161/psb.6.4.14908 |
| DOI: |
10.4161/psb.6.4.14908 |
| الاتاحة: |
https://doi.org/10.4161/psb.6.4.14908 |
| Rights: |
undefined |
| رقم الانضمام: |
edsbas.D26C8E54 |
| قاعدة البيانات: |
BASE |