WebJan 1, 1998 · Interestingly, AtKUP1 and AtKUP2 are able to complement the potassium transport deficiency of an E. coli triple mutant. In addition, transgenic Arabidopsis suspension cells overexpressing AtKUP1 showed increased Rb+ uptake at micromolar concentrations with an apparent K(m) of approximately 22 microM, indicating that …
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Potassium (K+) is required for the activity of numerous enzymes in plant cells and for the maintenance of turgor, which is a prerequisite for plant growth and development … See more Potassium uptake by plant roots displays a biphasic kinetics (Epstein, 1972). Recently, molecular and patch–clamp studies suggested that the two phases of K+ uptake are … See more We thank Drs. Angelika Fath and Russell Jones for helpful discussions and technical advice on yeast complementation experiments. We are grateful to Drs. Richard Gaber and … See more WebThese two systems were traditionally thought to thought for the past decade to be responsible for low- and be genetically distinct, but, recently, two Arabidopsis high-af®nity nitrate uptake, respectively. transporters, AtKUP1 and CHL1, were shown to have In contrast to this model in which high- and low-af®nity dual af®nities.
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Webtransporter members AtKUP1 and HvHAK1 were first cloned from Arabidopsis and barley [11, 12]. Both genes could complement K+ uptake-deficient strains of yeast, indicating that they had potassium transporter activity. Subsequently, several HAK/KUP/KT members were cloned and identified, such as AtKUP3 and AtHAK5 in WebJan 1, 1998 · In addition, AtKUP1-mediated K + uptake was inhibited by K + channel blockers, including tetraethylammonium, Cs + , and Ba 2+ . Consistent with a possible function in K + uptake from the soil, the AtKUP1 gene is primarily expressed in roots. We conclude that the AtKUP1 gene product may function as a K + transporter in Arabidopsis …
WebAtKUP1: an Arabidopsis gene encoding high-affinity potassium transport activity 1998 Kim, E.J.; Kwak, J.M.; Uozumi, N.; Schroeder, J.I. Because plants grow under many different …
WebMay 19, 2015 · The K + transporter genes AtHAK5, AtCHX17 and AtKUP1 were up-regulated significantly in almost all the tolerant accessions, even in the absence of … riverton ultrasoundWebSep 1, 2001 · AtKUP1 and AtKUP2 complemented the K + uptake transport mutations in E. coli mutant, although AtKUP1–2 and HvHAK1 failed to show K + currents in the oocyte heterologous expression system. Kdp. E. coli has a P-type ATPase, Kdp, which has been classified as a high-affinity K + transport system . smoking fish in a smoker recipesWebMar 3, 2003 · To counteract fluctuating nutrient environments, plants have evolved high- and low-affinity uptake systems. These two systems were traditionally thought to be genetically distinct, but, recently, two Arabidopsis transporters, AtKUP1 and CHL1, were shown to have dual affinities. However, little is known about how a dual-affinity transporter works and … smoking fish in a masterbuilt smokerWebFeb 11, 2024 · Download popular programs, drivers and latest updates easily. ATK Package is a free program designed to work with Asus Notebooks that provides … riverton umc riverton wyWebTAIR annotates one representative transcript. AceView synopsis, each blue text links to tables and details According to AceView, this gene is well expressed, 0.8 times the average gene in this release.The sequence of this gene is defined by 28 GenBank accessions, some from aerial (seen 7 times), hormone treated callus (3), ovule (3), aboveground organs … riverton usd 404 high school - rivertonWebLuan (1998) reported the inhibition of AtKUP1-mediated K+ uptake by K + channel blockers, such as TEA, Cs +, and Ba 2+. Consistent with a possible function in K + uptake riverton usd 404 schoolWebIt was reported that HvHAK1, a high-affinity K + transporter of barley (Hordeum vulgare), mediated Na + uptake under high millimolar concentrations of Na +, and that K + uptake by the dual affinity K + transporter AtKUP1 of A. thaliana was inhibited by external Na + at both high- and low-affinity phases (Fu and Luan, 1998; Santa-María et al ... smoking flats for women