High affinity k+ transporter
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. 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 …
High affinity k+ transporter
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WebGhHAK5a 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) … 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
Webhigh-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 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…
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+ … 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.
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 …
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 … images of the light bulbWeb11 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 … images of the links incorporated logoWebThe 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. list of carthusian saintsWeb25 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. images of the letter tWeb12 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. images of the life of christWeb1 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. … images of the lexus is 250 in brechin slateWeb20 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 … images of the light of the world