High affinity k+ transporter

Author: keix

August undefined, 2024

Web2 de jun. de 2024 · The high-affinity K+ transporter AtHAK5 is the major contributor to root K+ uptake from diluted solutions in K+-starved Arabidopsis plants. Its functionality is tightly regulated and its activity ... WebHigh-affinity K+ (HAK) transporter mainly absorbed and transported potassium in plants, but there are few studies on HAK gene in sugarcane. In this study, the coding region of high-affinity K+ ...

Frontiers High- and Low-Affinity Transport in Plants From a ...

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 … WebThe wheat sodium transporters TmHKT1;5-A and TaHKT1;5-D are encoded by genes underlying the major shoot Na + exclusion loci Nax2 and Kna1 from Triticum … how lightning arrester works

AtHAK5-mediated root high-affinity K+ uptake is regulated by …

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. WebAbstract. A high-affinity K+ transporter PutHKT2;1 cDNA was isolated from the salt-tolerant plant Puccinellia tenuiflora. Expression of PutHKT2;1 was induced by both 300 … Web1 de abr. de 2024 · We identified a key high-affinity K+ transporter, GhHAK5a in cotton, which is the essential target for shoot regulation of root K+ uptake under K+ deficiency. … how lightning is produced

Rice potassium transporter OsHAK1 is essential for maintaining ...

High- and Low-Affinity Transport in Plants From a Thermodynamic …

Web20 de mai. de 2024 · Abstract K⁺ is the most abundant inorganic cation in plants, and it is also a necessary nutrient element for plant growth and development. High-affinity K⁺ transporter (HAK) is one of the... Web2 de jan. de 2024 · The KT/HAK/KUP family is the largest one among K + transporter families, which functions in acquiring K +, catalyzing K + uptake across a wide range of external K + environments, and maintaining internal ion homeostasis (Véry and Sentenac 2003; Ashley et al. 2006; Grabov 2007; Wang and Wu 2015 ). how lightning occurs diagramWebThe 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 … how lightning rods work minecraft

"Web1 de jan. de 1998 · AtKUP1: A Dual-Affinity K+ Transporter from Arabidopsis Hui-Hua Fu, S. Luan Environmental Science, Biology Plant Cell 1998 TLDR It is concluded that the AtKUP1 gene product may function as a K+ transporter in Arabidopsis roots over a broad range of [K+] in the soil. 308 Highly Influential PDF View 6 excerpts, references background " - High affinity k+ transporter

High affinity k+ transporter

High-Affinity K+ Transport in Arabidopsis: AtHAK5 and …

Web14 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 … 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 presented here with pepper ( Capsicum annum) demonstrate that a HAK1-type transporter greatly contributes to the high-affinity K + uptake observed in roots.

Did you know?

Weba high-affinity K+ transporter PhaHKTI were isolated from salt-sensitive (Utsunomiya) and salt-tolerant (Nanpi, Enchi) reed plants. A cDNA of Utsunomiya (PhaHKT1-u) contained … 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 …

WebThe K + channel was now characterized by a high-affinity component of K m = 0.2mM and a low-affinity component of K m = 7.3mM ( Figure 1B ), while the K + /H + co-transporter had a high-affinity component of K m = 0.01mM and a low-affinity component of K m = 2.3mM ( Figure 1D ). FIGURE 1 Figure 1 The pitfalls of affinity analyses. Web20 de jul. de 2024 · Key message This is the first evidence that SiHAK1 acts as a K+ transporter and is modulated by internal and external K+, which expands our understanding of the significant physiological roles of large HAK/KUP/KT transporters in crops. Abstract Crop genomes have shown the richness of K+ transporters in …

Web31 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 … Web1 de mar. de 2009 · Thus, in this halophyte, high-affinity K + uptake is mediated by a K + transporter homologous to the high-affinity K + transporters of glycophytes (Rodríguez-Navarro and Rubio, 2006). The characteristics shown by ThHAK5 in yeast indicate that the functionality of this transporter is similar to that of its glycophyte homologues.

Web5 de jan. de 2024 · HKT1 high-affinity K+ transporter 1 [ (thale cress)] Gene ID: 826623, updated on 21-Oct-2024 Summary encodes a sodium transporter (HKT1) expressed in …

Web11 de jul. de 2024 · Counteracting the activity of SOS1 is the family of high-affinity K + transport (HKT) proteins, which despite their name are Na + transporters that operate in the retrieval of Na + from the xylem sap in … how lightning is madeWebHigh- 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 … how lightning formedWebGhHAK5a is a high-affinity K + transporter. It is generally accepted that plant high-affinity K + transporters conduct K + uptake at low external K + concentrations (below 200 μM) … how lightning occurs class 8Web6 de ago. de 2024 · The high-affinity K+ transporter HAK5 is the major contributor to root K+ uptake from dilute solutions in K+-starved Arabidopsis plants. Its functionality is tightly … how lightning helps in nitrogen fixationWebThe 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 … how lightning is createdWeb13 de fev. de 2024 · Under salt stress, the plants need to maintain a low Na+ concentration and Na+/K+ ratio in the cell cytoplasm to keep normal growth and development. High-affinity K+ transporter (HKT) genes are known to play an important role in regulating the transportation of Na+ and K+ in higher plants. However, reports on its potential role in … how lightning strikes the groundWeb9 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... how lightning is caused