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Relation between Ion Accumulation of Salt-Sensitive and Isolated Stable Salt-Tolerant Cell Lines of Citrus aurantium
Year:
1985
Source of publication :
Plant physiology (source)
Authors :
Ben Hayyim, Gosal
;
.
Neumann, Hanna
;
.
Spiegel-Roy, Pinchas
;
.
Volume :
78
Co-Authors:
Facilitators :
From page:
144
To page:
148
(
Total pages:
5
)
Abstract:

Four selected NaCl-tolerant cell lines of Sour orange (Citrus aurantium) were compared with the nonselected cell line in their growth and internal ion content of Na+, K+, and Cl when exposed to increasing NaCl concentrations. No difference was found among the various NaCl-tolerant cell lines in Na+ and Cl uptake, and all these cell lines took up similar or even larger amounts of Na+ and Cl than the NaCl-sensitive cell line. Exposure of cells of NaCl-sensitive and NaCl-tolerant lines to equal external concentrations of NaCl, resulted in a greater loss of K+ from the NaCl-sensitive cell line. This observation leads to the conclusion that growth and ability to retain high levels of internal K+ are correlated. Exposure of the NaCl-tolerant cell lines to salts other than NaCl resulted in even greater tolerance to Na2SO4, but rather poor tolerance to K+ introduced as either K2SO4 or KCl; the latter has a stronger inhibitory effect. The NaCl-sensitive cell line proved to be more sensitive to replacement of Na+ by K+. Analyses of internal Na+, K+, and Cl concentrations failed to identify any particular internal ion concentration which could serve as a reliable marker for salt tolerance.

Note:
Related Files :
Citrus
Citrus aurantium
Ion accumulation
salt
salt tolerance (internal keyword)
sensitivity
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More details
DOI :
https://doi.org/10.1104/pp.78.1.144
Article number:
0
Affiliations:
Database:
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
58174
Last updated date:
09/03/2022 12:50
Creation date:
09/03/2022 12:48
Scientific Publication
Relation between Ion Accumulation of Salt-Sensitive and Isolated Stable Salt-Tolerant Cell Lines of Citrus aurantium
78
Relation between Ion Accumulation of Salt-Sensitive and Isolated Stable Salt-Tolerant Cell Lines of Citrus aurantium

Four selected NaCl-tolerant cell lines of Sour orange (Citrus aurantium) were compared with the nonselected cell line in their growth and internal ion content of Na+, K+, and Cl when exposed to increasing NaCl concentrations. No difference was found among the various NaCl-tolerant cell lines in Na+ and Cl uptake, and all these cell lines took up similar or even larger amounts of Na+ and Cl than the NaCl-sensitive cell line. Exposure of cells of NaCl-sensitive and NaCl-tolerant lines to equal external concentrations of NaCl, resulted in a greater loss of K+ from the NaCl-sensitive cell line. This observation leads to the conclusion that growth and ability to retain high levels of internal K+ are correlated. Exposure of the NaCl-tolerant cell lines to salts other than NaCl resulted in even greater tolerance to Na2SO4, but rather poor tolerance to K+ introduced as either K2SO4 or KCl; the latter has a stronger inhibitory effect. The NaCl-sensitive cell line proved to be more sensitive to replacement of Na+ by K+. Analyses of internal Na+, K+, and Cl concentrations failed to identify any particular internal ion concentration which could serve as a reliable marker for salt tolerance.

Scientific Publication
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