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A Comparison of the Methods of X-ray Microanalysis, Compartmental Analysis and Longitudional Ion Profiles to Estimate Cytoplasmic Ion Concentrations in Two Maize Varieties
journal contribution
posted on 2023-06-08, 11:32 authored by M A Hajibagheri, Tim Flowers, J C Collins, A R YeoThe ion content of compartments within plant root cells has been studied by three different methods; flux analysis using radioactive isotopes, longitudinal ion profiles and X-ray microanalysis. The data provide estimates of the concentrations of K+ and CI- in the cytoplasm of roots of culture solution and salt grown maize by three independent methods. In the cultivar LG11 grown in 50 mol m-3 NaCl X-ray microanalysis, compartmental analysis and longitudinal profiles yielded approximately agreeing values for cytoplasmic K+ of 90, 70 and 62 mol m-33 of tissue volume respectively. However, the methods disagreed on cytoplasmic Cl- where the value obtained by compartmental analysis was about four times that from X-ray microanalysis and longitudinal profiles. Possible reasons for this are discussed.
History
Publication status
- Published
Journal
Journal of Experimental BotanyISSN
0022-0957Publisher
Oxford University PressExternal DOI
Issue
3Volume
39Page range
279-290Department affiliated with
- Evolution, Behaviour and Environment Publications
Notes
Times Cited: 32 Hajibagheri, ma flowers, tj collins, jc yeo, arFull text available
- No
Peer reviewed?
- Yes
Legacy Posted Date
2012-05-10Usage metrics
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