High affinity k+ transporter
WebHigh-affinity K+ transporter PhaHAK5 is expressed only in salt-sensitive reed plants and shows Na+ permeability under NaCl stress Authors Ryuichi Takahashi 1 , Takayoshi … Web12 de mar. de 1999 · The wheat K+ uptake transporter HKT1 has been shown to function in yeast and oocytes as a high affinity K+-Na+ cotransporter, and as a low affinity Na+ transporter at high external Na+. A previous study showed that point mutations in HKT1, which confer enhancement of Na+ tolerance to yeast, can be isolated by genetic selection.
High affinity k+ transporter
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WebAlthough AtHAK5 has been shown to be a high affinity K + transporter in kinetic studies, and KUP transporters are known to be inhibited by NH 4+, a physiological role for … Web16 de jun. de 2024 · High-affinity transport system shows saturating kinetics at Km between 10 and 40 μM which is highly selective for K + over Na +, whereas low-affinity transport system shows saturation at Km near about 10 mM range exhibiting weak selectivity for K + over other alkali metals.
WebIt has been shown in Arabidopsis (Arabidopsis thaliana) that when the external K+ concentration is very low (,10 mM), K+ nutrition depends exclusively on the high-affinity K+ transporter5 (HAK5). Low-K+-induced transcriptional activation of the gene encoding HAK5 has been previously reported. WebHigh-affinity K + uptake in plants plays a crucial role in K + nutrition and different systems have been postulated to contribute to the high-affinity K + uptake. The results …
Web1 de dez. de 2008 · It is demonstrated that a HAK1-type transporter greatly contributes to the high-affinity K+ uptake observed in roots of pepper plants starved of K+ for 3 d. 87 High-affinity potassium transport in barley roots. Ammonium-sensitive and -insensitive pathways. G. Santa-María, C. Danna, C. Czibener Environmental Science, Biology Plant … Web3 de jun. de 2010 · Potassium (K +) is a major plant nutrient required for growth and development. It is generally accepted that plant roots absorb K + through uptake …
WebHigh- and Low-Affinity Transport in Plants From a Thermodynamic Point of View . × Close Log In. Log in with Facebook Log in with Google. or. Email. Password. Remember me on …
WebThe concept of “high- and low-affinity K + transport” got more cracks in the analysis of the dependency of the K + fluxes on the external proton concentration. In contrast to the … can i get a booster shot at walmartWeb31 de jan. de 2006 · The term ‘high-affinity transporter’ does not have a formal definition and it is used here to indicate that the transporter exhibits a Km that is not much higher … fitting a vinyl floorWeb14 de abr. de 2024 · It may be mainly involved in the translocation of high-affinity potassium in plants under low potassium ... Horie T, Brodsky DE, Costa A, Kaneko T, Lo … fitting a washing line postWeb14 de ago. de 1998 · 1 Introduction. HKT1 is expressed in the roots of Triticum aestivum and encodes a high affinity K + symport that is energized by Na + [1-3].Na + energized K + uptake mechanisms have been characterized in lower plants such as the fresh water charophyte alga, Chara corallina [].HKT1 is the first Na + energized transporter to be … can i get a bolivian visa at the airportWebThe high affinity K+ transporter AtHAK5 plays a physiological role in planta at very low K+ concentrations and provides a caesium uptake pathway in Arabidopsis. Caesium … can i get abortion pill onlineWeb9 de abr. de 2014 · The high-affinity K (+) transporter HAK5 is a key system for root K (+) uptake and, under very low external K (+) , the only one capable of supplying K (+) to the plant. Functional... fitting a walk in shower trayWeb1 de dez. de 2015 · It is reported that HIGH‐AFFINITY K+ TRANSPORTER 5 (OsHAK5) regulates the infection of rice grassy stunt virus (RGSV), a negative‐sense single‐stranded bunyavirus, in rice (Oryza sativa) and the K+ content in rice plants was significantly inhibited on RGSV infection. 3 PDF can i get a bottle of water