High affinity k+ transporter

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August undefined, 2024

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 … 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 Na+ transport by wheat HKT1;5 is blocked …

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 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 … ph of hydroxypropyl beta cyclodextrin

High-affinity K+ transporters and their functions in plants

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. 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 … 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 … ttt wheels hello peter

Arabidopsis K+ transporter HAK5-mediated high-affinity root K

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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 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 … pho fifeWebThe 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 … tt tune up zwift review

"Web24 de out. de 2024 · Rice (Oryza sativa; background Nipponbare) contains nine HKT (high-affinity K + transport)-like genes encoding membrane proteins belonging to the … " - High affinity k+ transporter

High affinity k+ transporter

Potassium transporters in plants – Involvement in K+

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 ). 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.

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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 … WebThe 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 …

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+ ... 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.

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. 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 …

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. tttvhipWeb1 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 ph of kirkland waterWeb31 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 … ph of kcnoWebHigh-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 … ttt wheels ridgewayWeb1 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. tttwig.comWeb20 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 … ph of hydrofluoric acidWeb5 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 … tt twitter piggy news