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Potassium carrier TRH1 is required for auxin transport in Arabidopsis roots.

Abstract:

Disruption of the TRH1 potassium transporter impairs root hair development in Arabidopsis, and also affects root gravitropic behaviour. Rescue of these morphological defects by exogenous auxin indicates a link between TRH1 activity and auxin transport. In agreement with this hypothesis, the rate of auxin translocation from shoots to roots and efflux of [3H]IAA in isolated root segments were reduced in the trh1 mutant, but efflux of radiolabelled auxin was accelerated in yeast cells transforme...

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Publication status:
Published

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Authors


Vicente-Agullo, F More by this author
Desbrosses, G More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Plant Sciences
Hatzopoulos, P More by this author
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Journal:
The Plant journal : for cell and molecular biology
Volume:
40
Issue:
4
Pages:
523-535
Publication date:
2004-11-05
DOI:
EISSN:
1365-313X
ISSN:
0960-7412
URN:
uuid:2b59cd83-9989-4484-aa65-eae0e348ed4b
Source identifiers:
50152
Local pid:
pubs:50152

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