High affinity k+ transporter

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August undefined, 2024

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. 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

Cotton High-Affinity K+ Transporter, GhHAK5a, Is Essential for …

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 … Web14 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 … eagle heights bible church milesburg pa

Overexpression of a samphire high-affinity potassium transporter …

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. 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 … Web9 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... csis income distribution

High-affinity K+ transporters and their functions in plants

HAK5 high affinity K+ transporter 5 [ (thale cress)]

Web12 de nov. de 2024 · High affinity K + transporters (HKT) mediate the transport of both Na + and K + ions. The HKT family is K + transporter superfamily HKT/Trk/Ktr-type present in microorganisms and plant (Yamaguchi et al. 2013 ). These transporters either selectively transport Na + ions or carries out Na + and K + symport. Web1 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 csis indo pacific economic frameworkWebhigh-affinity K+ transporter (HKT) in plants results in the intervention of Na+ transport in plants, especially in rice8, barley9, wheat10 and Arabidopsis thalianau. In a het erologous system which includes a single-cell fungus, 1961. RESEARCH ARTICLES yeast and Xenopus laevis oocytes, HKT1 has been eagleheart show

"Web25 de mai. de 2007 · Plant HKTs (high-affinity K + transporters) belong to the Trk superfamily of cation transporters which are topologically related to K + channels [50], [51]. Central to both are MPM building blocks of two transmembrane domains with a pore (P-) loop in between. " - High affinity k+ transporter

High affinity k+ transporter

Site directed mutagenesis reduces the Na+ affinity of HKT1, an …

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. 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 …

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Web13 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 … 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 …

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 … 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.

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 ). High Affinity K transporter HAK5 is a transport protein found on the cell surface membrane of plants under conditions of potassium deprivation. It is believed to act as a symporter for protons and the potassium ion, K . Firstly discovered in barley, receiving the name of HvHAK1, it was soon after identified in the model plant Arabidopsis thaliana and named HAK5. These transporters belongs to t…

Web6 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 …

csi show vegasWebHigh-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+ ... csis india chairWebThe 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 … eagle heights cathedral revere maWeb15 de jul. de 2016 · Amelioration of Soybean Plant from Saline-Induced Condition by Exopolysaccharide Producing Pseudomonas-Mediated Expression of High Affinity K+-transporter (HKT1) Gene July 2016 Current Science 111(12) csis indices checkWeb1 de abr. de 2024 · We found that GhHAK5a, an orthologous of Arabidopsis thaliana high-affinity K+ transporter, AtHAK5, was significantly induced in the CCRI41 rootstock by … eagle heights christian academy computer labWeb20 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... csis incWebAlthough 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 … csis industrial policy