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Intracellular pH regulation in maize root tips exposed to ammonium at high external pH.

Abstract:

Ammonium-induced changes in the cytoplasmic and vacuolar pH values of excised maize (Zea mays L.) root tips, measured by in vivo 31P nuclear magnetic resonance (NMR) spectroscopy, were correlated with the ammonium content of the tissue, determined by 14N NMR. Calculations based on these measurements indicated that the pH changes observed during exposure to 10 mM ammonium for 1 h at pH 9.0, and in the recovery following the removal of the external ammonium supply, were largely determined by th...

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Publication status:
Published

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Publisher copy:
10.1093/jexbot/51.343.207

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Institution:
University of Oxford
Division:
MPLS
Department:
Plant Sciences
Role:
Author
Journal:
Journal of experimental botany
Volume:
51
Issue:
343
Pages:
207-219
Publication date:
2000-02-01
DOI:
EISSN:
1460-2431
ISSN:
0022-0957
Source identifiers:
37353
Language:
English
Keywords:
Pubs id:
pubs:37353
UUID:
uuid:242068cb-58c7-414a-9ebe-d97e2f578d2b
Local pid:
pubs:37353
Deposit date:
2012-12-19

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