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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2018.05.022
|2 doi
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|a pubmed24n0948.xml
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|a (DE-627)NLM28448623X
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|a (NLM)29803075
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|a (PII)S0981-9428(18)30231-6
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Hao, Hai-Ping
|e verfasserin
|4 aut
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|a Ion micro-distribution in varying aged leaves in salt-treated cucumber seedlings
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 12.02.2019
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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 Copyright © 2018. Published by Elsevier Masson SAS.
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|a Na+ distribution is one of the most important strategies for plant resistance to salt stress. The way of Na+ compartmentation in different aged leaves has been controversial, especially at the cell and sub-cellular level. The roles that Na+ and K+/Na+ play the key role in photosynthesis need to be further verified. In this study, using two cucumber cultivars Cucumis sativus L. cv. zhongnong 8 (ZN8, relatively salt tolerant) and Cucumis sativus L.cv. Jinchun 4 (JC4, salt sensitive) as experiment material, we analyzed the mode of ion compartmentation of Na+ in organelles in different aged leaves and determined which factors (the organelles' Na+ or K+/Na+) affect leaf photosynthesis, using high-pressure freezing and freeze-substitution, Ultrathin sectioning technique and X-ray. The main results: 1. The sub-cellular trends of Na+ accumulation was cell wall > vacuole > cytoplasm > chloroplasts; 2. The Na+ accumulation in cytoplasm and chloroplasts was similar in different aged leaves and in seedlings of different salt tolerance cultivars; 3. The K+/Na+ ratio is the main factor that affects the photosynthesis of the same aged leaves in our experiment. A weak capacity for ion compartmentation may be an important reason leading to salt sensitivity
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|a Journal Article
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|a Cucumber
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|a Ion distribution
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|a Micro-analysis
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|a Photosynthesis
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|a Salt stress
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|a Sodium
|2 NLM
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|a 9NEZ333N27
|2 NLM
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|a Potassium
|2 NLM
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| 650 |
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|a RWP5GA015D
|2 NLM
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| 650 |
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|a Chlorophyll A
|2 NLM
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| 650 |
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|a YF5Q9EJC8Y
|2 NLM
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| 700 |
1 |
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|a Li, Hui
|e verfasserin
|4 aut
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| 700 |
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|a Jiang, Chuang-Dao
|e verfasserin
|4 aut
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| 700 |
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|a Tang, Yu-Dan
|e verfasserin
|4 aut
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| 700 |
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|a Lei Shi
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 129(2018) vom: 15. Aug., Seite 71-76
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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|g volume:129
|g year:2018
|g day:15
|g month:08
|g pages:71-76
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|u http://dx.doi.org/10.1016/j.plaphy.2018.05.022
|3 Volltext
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