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01000naa a22002652 4500 |
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tu |
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231223s2005 xx ||||| 00| ||eng c |
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|a pubmed24n0515.xml
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|a (DE-627)NLM154603511
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|a (NLM)15809279
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Martínez-Cordero, M Angeles
|e verfasserin
|4 aut
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| 245 |
1 |
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|a High-affinity K+ uptake in pepper plants
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| 264 |
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1 |
|c 2005
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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| 338 |
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|a Band
|b nc
|2 rdacarrier
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| 500 |
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|a Date Completed 07.07.2005
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|a Date Revised 21.11.2013
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a High-affinity K+ uptake is an essential process for plant nutrition under K+-limiting conditions. The results presented here demonstrate that pepper (Capsicum annuum) plants grown in the absence of NH4+ and starved of K+ show an NH4+-sensitive high-affinity K+ uptake that allows plant roots to deplete external K+ to values below 1 microM. When plants are grown in the presence of NH4+, high-affinity K+ uptake is not inhibited by NH4+. Although NH4+-grown plants deplete external K+ below 1 microM in the absence of NH4+, when 1 mM NH4+ is present they do not deplete external K+ below 10 microM. A K+ transporter of the HAK family, CaHAK1, is very likely mediating the NH4+-sensitive component of the high-affinity K+ uptake in pepper roots. CaHAK1 is strongly induced in the roots that show the NH4+-sensitive high-affinity K+ uptake and its induction is reduced in K+-starved plants grown in the presence of NH4+. The NH4+-insensitive K+ uptake may be mediated by an AKT1-like K+ channel
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| 650 |
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|a Journal Article
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| 650 |
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|a Research Support, Non-U.S. Gov't
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| 650 |
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7 |
|a Cation Transport Proteins
|2 NLM
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| 650 |
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|a HAK1 protein, plant
|2 NLM
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| 650 |
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|a Plant Proteins
|2 NLM
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| 650 |
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|a Quaternary Ammonium Compounds
|2 NLM
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| 650 |
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|a Cesium
|2 NLM
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| 650 |
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7 |
|a 1KSV9V4Y4I
|2 NLM
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| 650 |
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|a Sodium
|2 NLM
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| 650 |
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7 |
|a 9NEZ333N27
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| 650 |
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7 |
|a Potassium
|2 NLM
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| 650 |
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7 |
|a RWP5GA015D
|2 NLM
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| 700 |
1 |
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|a Martínez, Vicente
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rubio, Francisco
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 56(2005), 416 vom: 15. Juni, Seite 1553-62
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
1 |
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|g volume:56
|g year:2005
|g number:416
|g day:15
|g month:06
|g pages:1553-62
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|d 56
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