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231223s2008 xx |||||o 00| ||eng c |
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|a 10.1016/j.jplph.2007.08.011
|2 doi
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|a pubmed24n0589.xml
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|a eng
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|a Quintero, José Manuel
|e verfasserin
|4 aut
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|a Na+ accumulation in root symplast of sunflower plants exposed to moderate salinity is transpiration-dependent
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|c 2008
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|a Text
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|a ƒaComputermedien
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|a Date Completed 07.05.2009
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Twenty-day-old sunflower plants (Helianthus annuus L. cv Sun-Gro 380) grown hydroponically under controlled conditions were used to study the effect of transpiration on Na(+) compartmentalization in roots. The plants were exposed to low Na(+) concentrations (25 mM NaCl) and different environmental humidity conditions over a short time period (8.5 h). Under these conditions, Na(+) was accumulated primarily in the root, but only the Na(+) accumulated in the root symplast was dependent on transpiration, while the Na(+) accumulated in both the shoot and the root apoplast exhibited a low transpiration dependence. Moreover, Na(+) content in the root apoplast was reached quickly (0.25 h) and increased little with time. These results suggest that, in sunflower plants under moderate salinity conditions, Na(+) uptake in the root symplast is mediated by a transport system whose activity is enhanced by transpiration
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Fournier, José María
|e verfasserin
|4 aut
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|a Benlloch, Manuel
|e verfasserin
|4 aut
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|a Rodríguez-Navarro, Alonso
|e verfasserin
|4 aut
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 165(2008), 12 vom: 25. Aug., Seite 1248-54
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|x 1618-1328
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|g volume:165
|g year:2008
|g number:12
|g day:25
|g month:08
|g pages:1248-54
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|u http://dx.doi.org/10.1016/j.jplph.2007.08.011
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